diff options
Diffstat (limited to 'drivers/pci')
58 files changed, 2129 insertions, 869 deletions
diff --git a/drivers/pci/access.c b/drivers/pci/access.c index fc405f0165d9..ec8f7002b09d 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -1,3 +1,4 @@ +#include <linux/delay.h> #include <linux/pci.h> #include <linux/module.h> #include <linux/sched.h> @@ -126,6 +127,171 @@ PCI_USER_WRITE_CONFIG(byte, u8) PCI_USER_WRITE_CONFIG(word, u16) PCI_USER_WRITE_CONFIG(dword, u32) +/* VPD access through PCI 2.2+ VPD capability */ + +#define PCI_VPD_PCI22_SIZE (PCI_VPD_ADDR_MASK + 1) + +struct pci_vpd_pci22 { + struct pci_vpd base; + spinlock_t lock; /* controls access to hardware and the flags */ + u8 cap; + bool busy; + bool flag; /* value of F bit to wait for */ +}; + +/* Wait for last operation to complete */ +static int pci_vpd_pci22_wait(struct pci_dev *dev) +{ + struct pci_vpd_pci22 *vpd = + container_of(dev->vpd, struct pci_vpd_pci22, base); + u16 flag, status; + int wait; + int ret; + + if (!vpd->busy) + return 0; + + flag = vpd->flag ? PCI_VPD_ADDR_F : 0; + wait = vpd->flag ? 10 : 1000; /* read: 100 us; write: 10 ms */ + for (;;) { + ret = pci_user_read_config_word(dev, + vpd->cap + PCI_VPD_ADDR, + &status); + if (ret < 0) + return ret; + if ((status & PCI_VPD_ADDR_F) == flag) { + vpd->busy = false; + return 0; + } + if (wait-- == 0) + return -ETIMEDOUT; + udelay(10); + } +} + +static int pci_vpd_pci22_read(struct pci_dev *dev, int pos, int size, + char *buf) +{ + struct pci_vpd_pci22 *vpd = + container_of(dev->vpd, struct pci_vpd_pci22, base); + u32 val; + int ret; + int begin, end, i; + + if (pos < 0 || pos > PCI_VPD_PCI22_SIZE || + size > PCI_VPD_PCI22_SIZE - pos) + return -EINVAL; + if (size == 0) + return 0; + + spin_lock_irq(&vpd->lock); + ret = pci_vpd_pci22_wait(dev); + if (ret < 0) + goto out; + ret = pci_user_write_config_word(dev, vpd->cap + PCI_VPD_ADDR, + pos & ~3); + if (ret < 0) + goto out; + vpd->busy = true; + vpd->flag = 1; + ret = pci_vpd_pci22_wait(dev); + if (ret < 0) + goto out; + ret = pci_user_read_config_dword(dev, vpd->cap + PCI_VPD_DATA, + &val); +out: + spin_unlock_irq(&vpd->lock); + if (ret < 0) + return ret; + + /* Convert to bytes */ + begin = pos & 3; + end = min(4, begin + size); + for (i = 0; i < end; ++i) { + if (i >= begin) + *buf++ = val; + val >>= 8; + } + return end - begin; +} + +static int pci_vpd_pci22_write(struct pci_dev *dev, int pos, int size, + const char *buf) +{ + struct pci_vpd_pci22 *vpd = + container_of(dev->vpd, struct pci_vpd_pci22, base); + u32 val; + int ret; + + if (pos < 0 || pos > PCI_VPD_PCI22_SIZE || pos & 3 || + size > PCI_VPD_PCI22_SIZE - pos || size < 4) + return -EINVAL; + + val = (u8) *buf++; + val |= ((u8) *buf++) << 8; + val |= ((u8) *buf++) << 16; + val |= ((u32)(u8) *buf++) << 24; + + spin_lock_irq(&vpd->lock); + ret = pci_vpd_pci22_wait(dev); + if (ret < 0) + goto out; + ret = pci_user_write_config_dword(dev, vpd->cap + PCI_VPD_DATA, + val); + if (ret < 0) + goto out; + ret = pci_user_write_config_word(dev, vpd->cap + PCI_VPD_ADDR, + pos | PCI_VPD_ADDR_F); + if (ret < 0) + goto out; + vpd->busy = true; + vpd->flag = 0; + ret = pci_vpd_pci22_wait(dev); +out: + spin_unlock_irq(&vpd->lock); + if (ret < 0) + return ret; + + return 4; +} + +static int pci_vpd_pci22_get_size(struct pci_dev *dev) +{ + return PCI_VPD_PCI22_SIZE; +} + +static void pci_vpd_pci22_release(struct pci_dev *dev) +{ + kfree(container_of(dev->vpd, struct pci_vpd_pci22, base)); +} + +static struct pci_vpd_ops pci_vpd_pci22_ops = { + .read = pci_vpd_pci22_read, + .write = pci_vpd_pci22_write, + .get_size = pci_vpd_pci22_get_size, + .release = pci_vpd_pci22_release, +}; + +int pci_vpd_pci22_init(struct pci_dev *dev) +{ + struct pci_vpd_pci22 *vpd; + u8 cap; + + cap = pci_find_capability(dev, PCI_CAP_ID_VPD); + if (!cap) + return -ENODEV; + vpd = kzalloc(sizeof(*vpd), GFP_ATOMIC); + if (!vpd) + return -ENOMEM; + + vpd->base.ops = &pci_vpd_pci22_ops; + spin_lock_init(&vpd->lock); + vpd->cap = cap; + vpd->busy = false; + dev->vpd = &vpd->base; + return 0; +} + /** * pci_block_user_cfg_access - Block userspace PCI config reads/writes * @dev: pci device struct diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index d708358326e5..529d9d7727b0 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -84,10 +84,7 @@ int pci_bus_add_device(struct pci_dev *dev) if (retval) return retval; - down_write(&pci_bus_sem); - list_add_tail(&dev->global_list, &pci_devices); - up_write(&pci_bus_sem); - + dev->is_added = 1; pci_proc_attach_device(dev); pci_create_sysfs_dev_files(dev); return 0; @@ -112,11 +109,8 @@ void pci_bus_add_devices(struct pci_bus *bus) int retval; list_for_each_entry(dev, &bus->devices, bus_list) { - /* - * Skip already-present devices (which are on the - * global device list.) - */ - if (!list_empty(&dev->global_list)) + /* Skip already-added devices */ + if (dev->is_added) continue; retval = pci_bus_add_device(dev); if (retval) @@ -124,8 +118,7 @@ void pci_bus_add_devices(struct pci_bus *bus) } list_for_each_entry(dev, &bus->devices, bus_list) { - - BUG_ON(list_empty(&dev->global_list)); + BUG_ON(!dev->is_added); /* * If there is an unattached subordinate bus, attach diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig index 2cdd8326f136..eacfb13998bb 100644 --- a/drivers/pci/hotplug/Kconfig +++ b/drivers/pci/hotplug/Kconfig @@ -63,7 +63,7 @@ config HOTPLUG_PCI_COMPAQ_NVRAM config HOTPLUG_PCI_IBM tristate "IBM PCI Hotplug driver" - depends on X86_IO_APIC && X86 && PCI_BIOS && PCI_LEGACY + depends on X86_IO_APIC && X86 && PCI_BIOS help Say Y here if you have a motherboard with a IBM PCI Hotplug controller. @@ -119,7 +119,7 @@ config HOTPLUG_PCI_CPCI_ZT5550 config HOTPLUG_PCI_CPCI_GENERIC tristate "Generic port I/O CompactPCI Hotplug driver" - depends on HOTPLUG_PCI_CPCI && X86 && PCI_LEGACY + depends on HOTPLUG_PCI_CPCI && X86 help Say Y here if you have a CompactPCI system card that exposes the #ENUM hotswap signal as a bit in a system register that can be read through diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c index 270a33cc08f6..f8c187a763bd 100644 --- a/drivers/pci/hotplug/acpi_pcihp.c +++ b/drivers/pci/hotplug/acpi_pcihp.c @@ -36,7 +36,7 @@ #define MY_NAME "acpi_pcihp" -#define dbg(fmt, arg...) do { if (debug_acpi) printk(KERN_DEBUG "%s: %s: " fmt , MY_NAME , __FUNCTION__ , ## arg); } while (0) +#define dbg(fmt, arg...) do { if (debug_acpi) printk(KERN_DEBUG "%s: %s: " fmt , MY_NAME , __func__ , ## arg); } while (0) #define err(format, arg...) printk(KERN_ERR "%s: " format , MY_NAME , ## arg) #define info(format, arg...) printk(KERN_INFO "%s: " format , MY_NAME , ## arg) #define warn(format, arg...) printk(KERN_WARNING "%s: " format , MY_NAME , ## arg) @@ -71,7 +71,7 @@ decode_type0_hpx_record(union acpi_object *record, struct hotplug_params *hpx) default: printk(KERN_WARNING "%s: Type 0 Revision %d record not supported\n", - __FUNCTION__, revision); + __func__, revision); return AE_ERROR; } return AE_OK; @@ -100,7 +100,7 @@ decode_type1_hpx_record(union acpi_object *record, struct hotplug_params *hpx) default: printk(KERN_WARNING "%s: Type 1 Revision %d record not supported\n", - __FUNCTION__, revision); + __func__, revision); return AE_ERROR; } return AE_OK; @@ -142,7 +142,7 @@ decode_type2_hpx_record(union acpi_object *record, struct hotplug_params *hpx) default: printk(KERN_WARNING "%s: Type 2 Revision %d record not supported\n", - __FUNCTION__, revision); + __func__, revision); return AE_ERROR; } return AE_OK; @@ -203,7 +203,7 @@ acpi_run_hpx(acpi_handle handle, struct hotplug_params *hpx) break; default: printk(KERN_ERR "%s: Type %d record not supported\n", - __FUNCTION__, type); + __func__, type); status = AE_ERROR; goto exit; } @@ -235,7 +235,7 @@ acpi_run_hpp(acpi_handle handle, struct hotplug_params *hpp) ret_buf.pointer = kmalloc (ret_buf.length, GFP_KERNEL); if (!ret_buf.pointer) { printk(KERN_ERR "%s:%s alloc for _HPP fail\n", - __FUNCTION__, (char *)string.pointer); + __func__, (char *)string.pointer); kfree(string.pointer); return AE_NO_MEMORY; } @@ -245,7 +245,7 @@ acpi_run_hpp(acpi_handle handle, struct hotplug_params *hpp) break; default: if (ACPI_FAILURE(status)) { - pr_debug("%s:%s _HPP fail=0x%x\n", __FUNCTION__, + pr_debug("%s:%s _HPP fail=0x%x\n", __func__, (char *)string.pointer, status); kfree(string.pointer); return status; @@ -254,7 +254,7 @@ acpi_run_hpp(acpi_handle handle, struct hotplug_params *hpp) ext_obj = (union acpi_object *) ret_buf.pointer; if (ext_obj->type != ACPI_TYPE_PACKAGE) { - printk(KERN_ERR "%s:%s _HPP obj not a package\n", __FUNCTION__, + printk(KERN_ERR "%s:%s _HPP obj not a package\n", __func__, (char *)string.pointer); status = AE_ERROR; goto free_and_return; @@ -270,7 +270,7 @@ acpi_run_hpp(acpi_handle handle, struct hotplug_params *hpp) break; default: printk(KERN_ERR "%s:%s _HPP obj type incorrect\n", - __FUNCTION__, (char *)string.pointer); + __func__, (char *)string.pointer); status = AE_ERROR; goto free_and_return; } @@ -311,12 +311,12 @@ acpi_status acpi_run_oshp(acpi_handle handle) if (ACPI_FAILURE(status)) if (status != AE_NOT_FOUND) printk(KERN_ERR "%s:%s OSHP fails=0x%x\n", - __FUNCTION__, (char *)string.pointer, status); + __func__, (char *)string.pointer, status); else dbg("%s:%s OSHP not found\n", - __FUNCTION__, (char *)string.pointer); + __func__, (char *)string.pointer); else - pr_debug("%s:%s OSHP passes\n", __FUNCTION__, + pr_debug("%s:%s OSHP passes\n", __func__, (char *)string.pointer); kfree(string.pointer); diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c index 9279d5ba62e6..7af68ba27903 100644 --- a/drivers/pci/hotplug/acpiphp_core.c +++ b/drivers/pci/hotplug/acpiphp_core.c @@ -138,7 +138,7 @@ static int enable_slot(struct hotplug_slot *hotplug_slot) { struct slot *slot = hotplug_slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); /* enable the specified slot */ return acpiphp_enable_slot(slot->acpi_slot); @@ -156,7 +156,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot) struct slot *slot = hotplug_slot->private; int retval; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); /* disable the specified slot */ retval = acpiphp_disable_slot(slot->acpi_slot); @@ -179,7 +179,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot) { int retval = -ENODEV; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); if (attention_info && try_module_get(attention_info->owner)) { retval = attention_info->set_attn(hotplug_slot, status); @@ -202,7 +202,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value) { struct slot *slot = hotplug_slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); *value = acpiphp_get_power_status(slot->acpi_slot); @@ -224,7 +224,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value) { int retval = -EINVAL; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); if (attention_info && try_module_get(attention_info->owner)) { retval = attention_info->get_attn(hotplug_slot, value); @@ -247,7 +247,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value) { struct slot *slot = hotplug_slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); *value = acpiphp_get_latch_status(slot->acpi_slot); @@ -267,7 +267,7 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value) { struct slot *slot = hotplug_slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); *value = acpiphp_get_adapter_status(slot->acpi_slot); @@ -284,7 +284,7 @@ static int get_address(struct hotplug_slot *hotplug_slot, u32 *value) { struct slot *slot = hotplug_slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); *value = acpiphp_get_address(slot->acpi_slot); @@ -318,7 +318,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot) { struct slot *slot = hotplug_slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); kfree(slot->hotplug_slot); kfree(slot); diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 5e50008d1181..648596d469f6 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -352,7 +352,7 @@ static void decode_hpp(struct acpiphp_bridge *bridge) /* use default numbers */ printk(KERN_WARNING "%s: Could not get hotplug parameters. Use defaults\n", - __FUNCTION__); + __func__); bridge->hpp.t0 = &bridge->hpp.type0_data; bridge->hpp.t0->revision = 0; bridge->hpp.t0->cache_line_size = 0x10; @@ -534,7 +534,7 @@ find_p2p_bridge(acpi_handle handle, u32 lvl, void *context, void **rv) status = acpi_evaluate_integer(handle, "_ADR", NULL, &tmp); if (ACPI_FAILURE(status)) { - dbg("%s: _ADR evaluation failure\n", __FUNCTION__); + dbg("%s: _ADR evaluation failure\n", __func__); return AE_OK; } @@ -578,7 +578,7 @@ static int add_bridge(acpi_handle handle) if (ACPI_SUCCESS(status)) { status = acpi_evaluate_integer(handle, "_STA", NULL, &tmp); if (ACPI_FAILURE(status)) { - dbg("%s: _STA evaluation failure\n", __FUNCTION__); + dbg("%s: _STA evaluation failure\n", __func__); return 0; } if ((tmp & ACPI_STA_FUNCTIONING) == 0) @@ -928,10 +928,10 @@ static int power_on_slot(struct acpiphp_slot *slot) func = list_entry(l, struct acpiphp_func, sibling); if (func->flags & FUNC_HAS_PS0) { - dbg("%s: executing _PS0\n", __FUNCTION__); + dbg("%s: executing _PS0\n", __func__); status = acpi_evaluate_object(func->handle, "_PS0", NULL, NULL); if (ACPI_FAILURE(status)) { - warn("%s: _PS0 failed\n", __FUNCTION__); + warn("%s: _PS0 failed\n", __func__); retval = -1; goto err_exit; } else @@ -966,7 +966,7 @@ static int power_off_slot(struct acpiphp_slot *slot) if (func->flags & FUNC_HAS_PS3) { status = acpi_evaluate_object(func->handle, "_PS3", NULL, NULL); if (ACPI_FAILURE(status)) { - warn("%s: _PS3 failed\n", __FUNCTION__); + warn("%s: _PS3 failed\n", __func__); retval = -1; goto err_exit; } else @@ -1300,7 +1300,7 @@ int acpiphp_eject_slot(struct acpiphp_slot *slot) status = acpi_evaluate_object(func->handle, "_EJ0", &arg_list, NULL); if (ACPI_FAILURE(status)) { - warn("%s: _EJ0 failed\n", __FUNCTION__); + warn("%s: _EJ0 failed\n", __func__); return -1; } else break; @@ -1349,7 +1349,7 @@ static int acpiphp_check_bridge(struct acpiphp_bridge *bridge) } } - dbg("%s: %d enabled, %d disabled\n", __FUNCTION__, enabled, disabled); + dbg("%s: %d enabled, %d disabled\n", __func__, enabled, disabled); err_exit: return retval; @@ -1527,7 +1527,7 @@ check_sub_bridges(acpi_handle handle, u32 lvl, void *context, void **rv) if (bridge) { acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); dbg("%s: re-enumerating slots under %s\n", - __FUNCTION__, objname); + __func__, objname); acpiphp_check_bridge(bridge); } return AE_OK ; @@ -1572,10 +1572,10 @@ static void handle_hotplug_event_bridge(acpi_handle handle, u32 type, void *cont switch (type) { case ACPI_NOTIFY_BUS_CHECK: /* bus re-enumerate */ - dbg("%s: Bus check notify on %s\n", __FUNCTION__, objname); + dbg("%s: Bus check notify on %s\n", __func__, objname); if (bridge) { dbg("%s: re-enumerating slots under %s\n", - __FUNCTION__, objname); + __func__, objname); acpiphp_check_bridge(bridge); } if (num_sub_bridges) @@ -1585,18 +1585,18 @@ static void handle_hotplug_event_bridge(acpi_handle handle, u32 type, void *cont case ACPI_NOTIFY_DEVICE_CHECK: /* device check */ - dbg("%s: Device check notify on %s\n", __FUNCTION__, objname); + dbg("%s: Device check notify on %s\n", __func__, objname); acpiphp_check_bridge(bridge); break; case ACPI_NOTIFY_DEVICE_WAKE: /* wake event */ - dbg("%s: Device wake notify on %s\n", __FUNCTION__, objname); + dbg("%s: Device wake notify on %s\n", __func__, objname); break; case ACPI_NOTIFY_EJECT_REQUEST: /* request device eject */ - dbg("%s: Device eject notify on %s\n", __FUNCTION__, objname); + dbg("%s: Device eject notify on %s\n", __func__, objname); if ((bridge->type != BRIDGE_TYPE_HOST) && (bridge->flags & BRIDGE_HAS_EJ0)) { struct acpiphp_slot *slot; @@ -1649,24 +1649,24 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type, void *contex switch (type) { case ACPI_NOTIFY_BUS_CHECK: /* bus re-enumerate */ - dbg("%s: Bus check notify on %s\n", __FUNCTION__, objname); + dbg("%s: Bus check notify on %s\n", __func__, objname); acpiphp_enable_slot(func->slot); break; case ACPI_NOTIFY_DEVICE_CHECK: /* device check : re-enumerate from parent bus */ - dbg("%s: Device check notify on %s\n", __FUNCTION__, objname); + dbg("%s: Device check notify on %s\n", __func__, objname); acpiphp_check_bridge(func->slot->bridge); break; case ACPI_NOTIFY_DEVICE_WAKE: /* wake event */ - dbg("%s: Device wake notify on %s\n", __FUNCTION__, objname); + dbg("%s: Device wake notify on %s\n", __func__, objname); break; case ACPI_NOTIFY_EJECT_REQUEST: /* request device eject */ - dbg("%s: Device eject notify on %s\n", __FUNCTION__, objname); + dbg("%s: Device eject notify on %s\n", __func__, objname); if (!(acpiphp_disable_slot(func->slot))) acpiphp_eject_slot(func->slot); break; @@ -1796,7 +1796,7 @@ int acpiphp_enable_slot(struct acpiphp_slot *slot) if (retval) power_off_slot(slot); } else { - dbg("%s: Slot status is not ACPI_STA_ALL\n", __FUNCTION__); + dbg("%s: Slot status is not ACPI_STA_ALL\n", __func__); power_off_slot(slot); } diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c index b0a22b92717e..ede9051fdb5d 100644 --- a/drivers/pci/hotplug/acpiphp_ibm.c +++ b/drivers/pci/hotplug/acpiphp_ibm.c @@ -186,7 +186,7 @@ static int ibm_set_attention_status(struct hotplug_slot *slot, u8 status) ibm_slot = ibm_slot_from_id(hpslot_to_sun(slot)); - dbg("%s: set slot %d (%d) attention status to %d\n", __FUNCTION__, + dbg("%s: set slot %d (%d) attention status to %d\n", __func__, ibm_slot->slot.slot_num, ibm_slot->slot.slot_id, (status ? 1 : 0)); @@ -231,7 +231,7 @@ static int ibm_get_attention_status(struct hotplug_slot *slot, u8 *status) else *status = 0; - dbg("%s: get slot %d (%d) attention status is %d\n", __FUNCTION__, + dbg("%s: get slot %d (%d) attention status is %d\n", __func__, ibm_slot->slot.slot_num, ibm_slot->slot.slot_id, *status); @@ -263,10 +263,10 @@ static void ibm_handle_events(acpi_handle handle, u32 event, void *context) u8 subevent = event & 0xf0; struct notification *note = context; - dbg("%s: Received notification %02x\n", __FUNCTION__, event); + dbg("%s: Received notification %02x\n", __func__, event); if (subevent == 0x80) { - dbg("%s: generationg bus event\n", __FUNCTION__); + dbg("%s: generationg bus event\n", __func__); acpi_bus_generate_proc_event(note->device, note->event, detail); acpi_bus_generate_netlink_event(note->device->pnp.device_class, note->device->dev.bus_id, @@ -299,7 +299,7 @@ static int ibm_get_table_from_acpi(char **bufp) status = acpi_evaluate_object(ibm_acpi_handle, "APCI", NULL, &buffer); if (ACPI_FAILURE(status)) { - err("%s: APCI evaluation failed\n", __FUNCTION__); + err("%s: APCI evaluation failed\n", __func__); return -ENODEV; } @@ -307,13 +307,13 @@ static int ibm_get_table_from_acpi(char **bufp) if (!(package) || (package->type != ACPI_TYPE_PACKAGE) || !(package->package.elements)) { - err("%s: Invalid APCI object\n", __FUNCTION__); + err("%s: Invalid APCI object\n", __func__); goto read_table_done; } for(size = 0, i = 0; i < package->package.count; i++) { if (package->package.elements[i].type != ACPI_TYPE_BUFFER) { - err("%s: Invalid APCI element %d\n", __FUNCTION__, i); + err("%s: Invalid APCI element %d\n", __func__, i); goto read_table_done; } size += package->package.elements[i].buffer.length; @@ -324,7 +324,7 @@ static int ibm_get_table_from_acpi(char **bufp) lbuf = kzalloc(size, GFP_KERNEL); dbg("%s: element count: %i, ASL table size: %i, &table = 0x%p\n", - __FUNCTION__, package->package.count, size, lbuf); + __func__, package->package.count, size, lbuf); if (lbuf) { *bufp = lbuf; @@ -368,7 +368,7 @@ static ssize_t ibm_read_apci_table(struct kobject *kobj, int bytes_read = -EINVAL; char *table = NULL; - dbg("%s: pos = %d, size = %zd\n", __FUNCTION__, (int)pos, size); + dbg("%s: pos = %d, size = %zd\n", __func__, (int)pos, size); if (pos == 0) { bytes_read = ibm_get_table_from_acpi(&table); @@ -402,7 +402,7 @@ static acpi_status __init ibm_find_acpi_device(acpi_handle handle, status = acpi_get_object_info(handle, &info_buffer); if (ACPI_FAILURE(status)) { err("%s: Failed to get device information status=0x%x\n", - __FUNCTION__, status); + __func__, status); return retval; } info = info_buffer.pointer; @@ -432,18 +432,18 @@ static int __init ibm_acpiphp_init(void) struct acpi_device *device; struct kobject *sysdir = &pci_hotplug_slots_kset->kobj; - dbg("%s\n", __FUNCTION__); + dbg("%s\n", __func__); if (acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, ibm_find_acpi_device, &ibm_acpi_handle, NULL) != FOUND_APCI) { - err("%s: acpi_walk_namespace failed\n", __FUNCTION__); + err("%s: acpi_walk_namespace failed\n", __func__); retval = -ENODEV; goto init_return; } - dbg("%s: found IBM aPCI device\n", __FUNCTION__); + dbg("%s: found IBM aPCI device\n", __func__); if (acpi_bus_get_device(ibm_acpi_handle, &device)) { - err("%s: acpi_bus_get_device failed\n", __FUNCTION__); + err("%s: acpi_bus_get_device failed\n", __func__); retval = -ENODEV; goto init_return; } @@ -458,7 +458,7 @@ static int __init ibm_acpiphp_init(void) &ibm_note); if (ACPI_FAILURE(status)) { err("%s: Failed to register notification handler\n", - __FUNCTION__); + __func__); retval = -EBUSY; goto init_cleanup; } @@ -479,17 +479,17 @@ static void __exit ibm_acpiphp_exit(void) acpi_status status; struct kobject *sysdir = &pci_hotplug_slots_kset->kobj; - dbg("%s\n", __FUNCTION__); + dbg("%s\n", __func__); if (acpiphp_unregister_attention(&ibm_attention_info)) - err("%s: attention info deregistration failed", __FUNCTION__); + err("%s: attention info deregistration failed", __func__); status = acpi_remove_notify_handler( ibm_acpi_handle, ACPI_DEVICE_NOTIFY, ibm_handle_events); if (ACPI_FAILURE(status)) - err("%s: Notification handler removal failed\n", __FUNCTION__); + err("%s: Notification handler removal failed\n", __func__); /* remove the /sys entries */ sysfs_remove_bin_file(sysdir, &ibm_apci_table_attr); } diff --git a/drivers/pci/hotplug/cpci_hotplug_core.c b/drivers/pci/hotplug/cpci_hotplug_core.c index ed4d44e3332c..d8a6b80ab42a 100644 --- a/drivers/pci/hotplug/cpci_hotplug_core.c +++ b/drivers/pci/hotplug/cpci_hotplug_core.c @@ -108,7 +108,7 @@ enable_slot(struct hotplug_slot *hotplug_slot) struct slot *slot = hotplug_slot->private; int retval = 0; - dbg("%s - physical_slot = %s", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s", __func__, hotplug_slot->name); if (controller->ops->set_power) retval = controller->ops->set_power(slot, 1); @@ -121,25 +121,25 @@ disable_slot(struct hotplug_slot *hotplug_slot) struct slot *slot = hotplug_slot->private; int retval = 0; - dbg("%s - physical_slot = %s", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s", __func__, hotplug_slot->name); down_write(&list_rwsem); /* Unconfigure device */ dbg("%s - unconfiguring slot %s", - __FUNCTION__, slot->hotplug_slot->name); + __func__, slot->hotplug_slot->name); if ((retval = cpci_unconfigure_slot(slot))) { err("%s - could not unconfigure slot %s", - __FUNCTION__, slot->hotplug_slot->name); + __func__, slot->hotplug_slot->name); goto disable_error; } dbg("%s - finished unconfiguring slot %s", - __FUNCTION__, slot->hotplug_slot->name); + __func__, slot->hotplug_slot->name); /* Clear EXT (by setting it) */ if (cpci_clear_ext(slot)) { err("%s - could not clear EXT for slot %s", - __FUNCTION__, slot->hotplug_slot->name); + __func__, slot->hotplug_slot->name); retval = -ENODEV; goto disable_error; } @@ -372,7 +372,7 @@ init_slots(int clear_ins) struct slot *slot; struct pci_dev* dev; - dbg("%s - enter", __FUNCTION__); + dbg("%s - enter", __func__); down_read(&list_rwsem); if (!slots) { up_read(&list_rwsem); @@ -380,10 +380,10 @@ init_slots(int clear_ins) } list_for_each_entry(slot, &slot_list, slot_list) { dbg("%s - looking at slot %s", - __FUNCTION__, slot->hotplug_slot->name); + __func__, slot->hotplug_slot->name); if (clear_ins && cpci_check_and_clear_ins(slot)) dbg("%s - cleared INS for slot %s", - __FUNCTION__, slot->hotplug_slot->name); + __func__, slot->hotplug_slot->name); dev = pci_get_slot(slot->bus, PCI_DEVFN(slot->number, 0)); if (dev) { if (update_adapter_status(slot->hotplug_slot, 1)) @@ -394,7 +394,7 @@ init_slots(int clear_ins) } } up_read(&list_rwsem); - dbg("%s - exit", __FUNCTION__); + dbg("%s - exit", __func__); return 0; } @@ -415,7 +415,7 @@ check_slots(void) extracted = inserted = 0; list_for_each_entry(slot, &slot_list, slot_list) { dbg("%s - looking at slot %s", - __FUNCTION__, slot->hotplug_slot->name); + __func__, slot->hotplug_slot->name); if (cpci_check_and_clear_ins(slot)) { /* * Some broken hardware (e.g. PLX 9054AB) asserts @@ -430,28 +430,28 @@ check_slots(void) /* Process insertion */ dbg("%s - slot %s inserted", - __FUNCTION__, slot->hotplug_slot->name); + __func__, slot->hotplug_slot->name); /* GSM, debug */ hs_csr = cpci_get_hs_csr(slot); dbg("%s - slot %s HS_CSR (1) = %04x", - __FUNCTION__, slot->hotplug_slot->name, hs_csr); + __func__, slot->hotplug_slot->name, hs_csr); /* Configure device */ dbg("%s - configuring slot %s", - __FUNCTION__, slot->hotplug_slot->name); + __func__, slot->hotplug_slot->name); if (cpci_configure_slot(slot)) { err("%s - could not configure slot %s", - __FUNCTION__, slot->hotplug_slot->name); + __func__, slot->hotplug_slot->name); continue; } dbg("%s - finished configuring slot %s", - __FUNCTION__, slot->hotplug_slot->name); + __func__, slot->hotplug_slot->name); /* GSM, debug */ hs_csr = cpci_get_hs_csr(slot); dbg("%s - slot %s HS_CSR (2) = %04x", - __FUNCTION__, slot->hotplug_slot->name, hs_csr); + __func__, slot->hotplug_slot->name, hs_csr); if (update_latch_status(slot->hotplug_slot, 1)) warn("failure to update latch file"); @@ -464,18 +464,18 @@ check_slots(void) /* GSM, debug */ hs_csr = cpci_get_hs_csr(slot); dbg("%s - slot %s HS_CSR (3) = %04x", - __FUNCTION__, slot->hotplug_slot->name, hs_csr); + __func__, slot->hotplug_slot->name, hs_csr); inserted++; } else if (cpci_check_ext(slot)) { /* Process extraction request */ dbg("%s - slot %s extracted", - __FUNCTION__, slot->hotplug_slot->name); + __func__, slot->hotplug_slot->name); /* GSM, debug */ hs_csr = cpci_get_hs_csr(slot); dbg("%s - slot %s HS_CSR = %04x", - __FUNCTION__, slot->hotplug_slot->name, hs_csr); + __func__, slot->hotplug_slot->name, hs_csr); if (!slot->extracting) { if (update_latch_status(slot->hotplug_slot, 0)) { @@ -519,7 +519,7 @@ event_thread(void *data) { int rc; - dbg("%s - event thread started", __FUNCTION__); + dbg("%s - event thread started", __func__); while (1) { dbg("event thread sleeping"); set_current_state(TASK_INTERRUPTIBLE); @@ -532,7 +532,7 @@ event_thread(void *data) /* Give userspace a chance to handle extraction */ msleep(500); } else if (rc < 0) { - dbg("%s - error checking slots", __FUNCTION__); + dbg("%s - error checking slots", __func__); thread_finished = 1; goto out; } @@ -541,7 +541,7 @@ event_thread(void *data) break; /* Re-enable ENUM# interrupt */ - dbg("%s - re-enabling irq", __FUNCTION__); + dbg("%s - re-enabling irq", __func__); controller->ops->enable_irq(); } out: @@ -564,7 +564,7 @@ poll_thread(void *data) /* Give userspace a chance to handle extraction */ msleep(500); } else if (rc < 0) { - dbg("%s - error checking slots", __FUNCTION__); + dbg("%s - error checking slots", __func__); thread_finished = 1; goto out; } @@ -621,7 +621,7 @@ cpci_hp_register_controller(struct cpci_hp_controller *new_controller) status = -ENODEV; } dbg("%s - acquired controller irq %d", - __FUNCTION__, new_controller->irq); + __func__, new_controller->irq); } if (!status) controller = new_controller; @@ -673,7 +673,7 @@ cpci_hp_start(void) static int first = 1; int status; - dbg("%s - enter", __FUNCTION__); + dbg("%s - enter", __func__); if (!controller) return -ENODEV; @@ -693,14 +693,14 @@ cpci_hp_start(void) status = cpci_start_thread(); if (status) return status; - dbg("%s - thread started", __FUNCTION__); + dbg("%s - thread started", __func__); if (controller->irq) { /* Start enum interrupt processing */ - dbg("%s - enabling irq", __FUNCTION__); + dbg("%s - enabling irq", __func__); controller->ops->enable_irq(); } - dbg("%s - exit", __FUNCTION__); + dbg("%s - exit", __func__); return 0; } @@ -711,7 +711,7 @@ cpci_hp_stop(void) return -ENODEV; if (controller->irq) { /* Stop enum interrupt processing */ - dbg("%s - disabling irq", __FUNCTION__); + dbg("%s - disabling irq", __func__); controller->ops->disable_irq(); } cpci_stop_thread(); diff --git a/drivers/pci/hotplug/cpci_hotplug_pci.c b/drivers/pci/hotplug/cpci_hotplug_pci.c index b3515fc4cd38..df82b95e2874 100644 --- a/drivers/pci/hotplug/cpci_hotplug_pci.c +++ b/drivers/pci/hotplug/cpci_hotplug_pci.c @@ -255,7 +255,7 @@ int __ref cpci_configure_slot(struct slot *slot) struct pci_bus *parent; int fn; - dbg("%s - enter", __FUNCTION__); + dbg("%s - enter", __func__); if (slot->dev == NULL) { dbg("pci_dev null, finding %02x:%02x:%x", @@ -273,7 +273,7 @@ int __ref cpci_configure_slot(struct slot *slot) * we will only call this case when lookup fails. */ n = pci_scan_slot(slot->bus, slot->devfn); - dbg("%s: pci_scan_slot returned %d", __FUNCTION__, n); + dbg("%s: pci_scan_slot returned %d", __func__, n); slot->dev = pci_get_slot(slot->bus, slot->devfn); if (slot->dev == NULL) { err("Could not find PCI device for slot %02x", slot->number); @@ -322,7 +322,7 @@ int __ref cpci_configure_slot(struct slot *slot) pci_bus_add_devices(parent); pci_enable_bridges(parent); - dbg("%s - exit", __FUNCTION__); + dbg("%s - exit", __func__); return 0; } @@ -331,7 +331,7 @@ int cpci_unconfigure_slot(struct slot* slot) int i; struct pci_dev *dev; - dbg("%s - enter", __FUNCTION__); + dbg("%s - enter", __func__); if (!slot->dev) { err("No device for slot %02x\n", slot->number); return -ENODEV; @@ -348,6 +348,6 @@ int cpci_unconfigure_slot(struct slot* slot) pci_dev_put(slot->dev); slot->dev = NULL; - dbg("%s - exit", __FUNCTION__); + dbg("%s - exit", __func__); return 0; } diff --git a/drivers/pci/hotplug/cpcihp_generic.c b/drivers/pci/hotplug/cpcihp_generic.c index f3852a6b74ea..148fb463b81c 100644 --- a/drivers/pci/hotplug/cpcihp_generic.c +++ b/drivers/pci/hotplug/cpcihp_generic.c @@ -154,12 +154,18 @@ static int __init cpcihp_generic_init(void) if(!r) return -EBUSY; - dev = pci_find_slot(bridge_busnr, PCI_DEVFN(bridge_slot, 0)); + bus = pci_find_bus(0, bridge_busnr); + if (!bus) { + err("Invalid bus number %d", bridge_busnr); + return -EINVAL; + } + dev = pci_get_slot(bus, PCI_DEVFN(bridge_slot, 0)); if(!dev || dev->hdr_type != PCI_HEADER_TYPE_BRIDGE) { err("Invalid bridge device %s", bridge); return -EINVAL; } bus = dev->subordinate; + pci_dev_put(dev); memset(&generic_hpc, 0, sizeof (struct cpci_hp_controller)); generic_hpc_ops.query_enum = query_enum; diff --git a/drivers/pci/hotplug/cpqphp.h b/drivers/pci/hotplug/cpqphp.h index 298ad7f3f4f4..b1decfa88b7a 100644 --- a/drivers/pci/hotplug/cpqphp.h +++ b/drivers/pci/hotplug/cpqphp.h @@ -674,7 +674,7 @@ static inline int cpq_get_latch_status(struct controller *ctrl, struct slot *slo hp_slot = slot->device - ctrl->slot_device_offset; dbg("%s: slot->device = %d, ctrl->slot_device_offset = %d \n", - __FUNCTION__, slot->device, ctrl->slot_device_offset); + __func__, slot->device, ctrl->slot_device_offset); status = (readl(ctrl->hpc_reg + INT_INPUT_CLEAR) & (0x01L << hp_slot)); @@ -709,7 +709,7 @@ static inline int wait_for_ctrl_irq(struct controller *ctrl) DECLARE_WAITQUEUE(wait, current); int retval = 0; - dbg("%s - start\n", __FUNCTION__); + dbg("%s - start\n", __func__); add_wait_queue(&ctrl->queue, &wait); /* Sleep for up to 1 second to wait for the LED to change. */ msleep_interruptible(1000); @@ -717,7 +717,7 @@ static inline int wait_for_ctrl_irq(struct controller *ctrl) if (signal_pending(current)) retval = -EINTR; - dbg("%s - end\n", __FUNCTION__); + dbg("%s - end\n", __func__); return retval; } diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c index 74178875b949..36b115b27b0b 100644 --- a/drivers/pci/hotplug/cpqphp_core.c +++ b/drivers/pci/hotplug/cpqphp_core.c @@ -315,7 +315,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot) { struct slot *slot = hotplug_slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); kfree(slot->hotplug_slot->info); kfree(slot->hotplug_slot->name); @@ -338,7 +338,7 @@ static int ctrl_slot_setup(struct controller *ctrl, void __iomem *slot_entry= NULL; int result = -ENOMEM; - dbg("%s\n", __FUNCTION__); + dbg("%s\n", __func__); tempdword = readl(ctrl->hpc_reg + INT_INPUT_CLEAR); @@ -513,7 +513,7 @@ get_slot_mapping(struct pci_bus *bus, u8 bus_num, u8 dev_num, u8 *slot) u8 tbus, tdevice, tslot, bridgeSlot; - dbg("%s: %p, %d, %d, %p\n", __FUNCTION__, bus, bus_num, dev_num, slot); + dbg("%s: %p, %d, %d, %p\n", __func__, bus, bus_num, dev_num, slot); bridgeSlot = 0xFF; @@ -636,7 +636,7 @@ static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status) u8 device; u8 function; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); if (cpqhp_get_bus_dev(ctrl, &bus, &devfn, slot->number) == -1) return -ENODEV; @@ -663,7 +663,7 @@ static int process_SI(struct hotplug_slot *hotplug_slot) u8 device; u8 function; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); if (cpqhp_get_bus_dev(ctrl, &bus, &devfn, slot->number) == -1) return -ENODEV; @@ -695,7 +695,7 @@ static int process_SS(struct hotplug_slot *hotplug_slot) u8 device; u8 function; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); if (cpqhp_get_bus_dev(ctrl, &bus, &devfn, slot->number) == -1) return -ENODEV; @@ -708,7 +708,7 @@ static int process_SS(struct hotplug_slot *hotplug_slot) if (!slot_func) return -ENODEV; - dbg("In %s, slot_func = %p, ctrl = %p\n", __FUNCTION__, slot_func, ctrl); + dbg("In %s, slot_func = %p, ctrl = %p\n", __func__, slot_func, ctrl); return cpqhp_process_SS(ctrl, slot_func); } @@ -718,7 +718,7 @@ static int hardware_test(struct hotplug_slot *hotplug_slot, u32 value) struct slot *slot = hotplug_slot->private; struct controller *ctrl = slot->ctrl; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); return cpqhp_hardware_test(ctrl, value); } @@ -729,7 +729,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = hotplug_slot->private; struct controller *ctrl = slot->ctrl; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); *value = get_slot_enabled(ctrl, slot); return 0; @@ -740,7 +740,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = hotplug_slot->private; struct controller *ctrl = slot->ctrl; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); *value = cpq_get_attention_status(ctrl, slot); return 0; @@ -751,7 +751,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = hotplug_slot->private; struct controller *ctrl = slot->ctrl; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); *value = cpq_get_latch_status(ctrl, slot); @@ -763,7 +763,7 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = hotplug_slot->private; struct controller *ctrl = slot->ctrl; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); *value = get_presence_status(ctrl, slot); @@ -775,7 +775,7 @@ static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp struct slot *slot = hotplug_slot->private; struct controller *ctrl = slot->ctrl; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); *value = ctrl->speed_capability; @@ -787,7 +787,7 @@ static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp struct slot *slot = hotplug_slot->private; struct controller *ctrl = slot->ctrl; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); *value = ctrl->speed; @@ -841,7 +841,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) // TODO: This code can be made to support non-Compaq or Intel subsystem IDs rc = pci_read_config_word(pdev, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vid); if (rc) { - err("%s : pci_read_config_word failed\n", __FUNCTION__); + err("%s : pci_read_config_word failed\n", __func__); goto err_disable_device; } dbg("Subsystem Vendor ID: %x\n", subsystem_vid); @@ -853,14 +853,14 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ctrl = kzalloc(sizeof(struct controller), GFP_KERNEL); if (!ctrl) { - err("%s : out of memory\n", __FUNCTION__); + err("%s : out of memory\n", __func__); rc = -ENOMEM; goto err_disable_device; } rc = pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsystem_deviceid); if (rc) { - err("%s : pci_read_config_word failed\n", __FUNCTION__); + err("%s : pci_read_config_word failed\n", __func__); goto err_free_ctrl; } @@ -1142,7 +1142,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) rc = cpqhp_save_config(ctrl, ctrl->bus, readb(ctrl->hpc_reg + SLOT_MASK)); if (rc) { err("%s: unable to save PCI configuration data, error %d\n", - __FUNCTION__, rc); + __func__, rc); goto err_iounmap; } @@ -1180,7 +1180,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) { err(msg_initialization_err, 6); err("%s: unable to save PCI configuration data, error %d\n", - __FUNCTION__, rc); + __func__, rc); goto err_iounmap; } diff --git a/drivers/pci/hotplug/cpqphp_ctrl.c b/drivers/pci/hotplug/cpqphp_ctrl.c index 4018420c6f95..ef041ca91c27 100644 --- a/drivers/pci/hotplug/cpqphp_ctrl.c +++ b/drivers/pci/hotplug/cpqphp_ctrl.c @@ -737,12 +737,12 @@ static struct pci_resource *get_resource(struct pci_resource **head, u32 size) for (node = *head; node; node = node->next) { dbg("%s: req_size =%x node=%p, base=%x, length=%x\n", - __FUNCTION__, size, node, node->base, node->length); + __func__, size, node, node->base, node->length); if (node->length < size) continue; if (node->base & (size - 1)) { - dbg("%s: not aligned\n", __FUNCTION__); + dbg("%s: not aligned\n", __func__); /* this one isn't base aligned properly * so we'll make a new entry and split it up */ temp_dword = (node->base | (size-1)) + 1; @@ -767,7 +767,7 @@ static struct pci_resource *get_resource(struct pci_resource **head, u32 size) /* Don't need to check if too small since we already did */ if (node->length > size) { - dbg("%s: too big\n", __FUNCTION__); + dbg("%s: too big\n", __func__); /* this one is longer than we need * so we'll make a new entry and split it up */ split_node = kmalloc(sizeof(*split_node), GFP_KERNEL); @@ -784,7 +784,7 @@ static struct pci_resource *get_resource(struct pci_resource **head, u32 size) node->next = split_node; } /* End of too big on top end */ - dbg("%s: got one!!!\n", __FUNCTION__); + dbg("%s: got one!!!\n", __func__); /* If we got here, then it is the right size * Now take it out of the list */ if (*head == node) { @@ -819,7 +819,7 @@ int cpqhp_resource_sort_and_combine(struct pci_resource **head) struct pci_resource *node2; int out_of_order = 1; - dbg("%s: head = %p, *head = %p\n", __FUNCTION__, head, *head); + dbg("%s: head = %p, *head = %p\n", __func__, head, *head); if (!(*head)) return 1; @@ -907,7 +907,7 @@ irqreturn_t cpqhp_ctrl_intr(int IRQ, void *data) /* Read to clear posted writes */ misc = readw(ctrl->hpc_reg + MISC); - dbg ("%s - waking up\n", __FUNCTION__); + dbg ("%s - waking up\n", __func__); wake_up_interruptible(&ctrl->queue); } @@ -1421,7 +1421,7 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl) hp_slot = func->device - ctrl->slot_device_offset; dbg("%s: func->device, slot_offset, hp_slot = %d, %d ,%d\n", - __FUNCTION__, func->device, ctrl->slot_device_offset, hp_slot); + __func__, func->device, ctrl->slot_device_offset, hp_slot); mutex_lock(&ctrl->crit_sect); @@ -1466,55 +1466,55 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl) /* turn on board and blink green LED */ - dbg("%s: before down\n", __FUNCTION__); + dbg("%s: before down\n", __func__); mutex_lock(&ctrl->crit_sect); - dbg("%s: after down\n", __FUNCTION__); + dbg("%s: after down\n", __func__); - dbg("%s: before slot_enable\n", __FUNCTION__); + dbg("%s: before slot_enable\n", __func__); slot_enable (ctrl, hp_slot); - dbg("%s: before green_LED_blink\n", __FUNCTION__); + dbg("%s: before green_LED_blink\n", __func__); green_LED_blink (ctrl, hp_slot); - dbg("%s: before amber_LED_blink\n", __FUNCTION__); + dbg("%s: before amber_LED_blink\n", __func__); amber_LED_off (ctrl, hp_slot); - dbg("%s: before set_SOGO\n", __FUNCTION__); + dbg("%s: before set_SOGO\n", __func__); set_SOGO(ctrl); /* Wait for SOBS to be unset */ - dbg("%s: before wait_for_ctrl_irq\n", __FUNCTION__); + dbg("%s: before wait_for_ctrl_irq\n", __func__); wait_for_ctrl_irq (ctrl); - dbg("%s: after wait_for_ctrl_irq\n", __FUNCTION__); + dbg("%s: after wait_for_ctrl_irq\n", __func__); - dbg("%s: before up\n", __FUNCTION__); + dbg("%s: before up\n", __func__); mutex_unlock(&ctrl->crit_sect); - dbg("%s: after up\n", __FUNCTION__); + dbg("%s: after up\n", __func__); /* Wait for ~1 second because of hot plug spec */ - dbg("%s: before long_delay\n", __FUNCTION__); + dbg("%s: before long_delay\n", __func__); long_delay(1*HZ); - dbg("%s: after long_delay\n", __FUNCTION__); + dbg("%s: after long_delay\n", __func__); - dbg("%s: func status = %x\n", __FUNCTION__, func->status); + dbg("%s: func status = %x\n", __func__, func->status); /* Check for a power fault */ if (func->status == 0xFF) { /* power fault occurred, but it was benign */ temp_register = 0xFFFFFFFF; - dbg("%s: temp register set to %x by power fault\n", __FUNCTION__, temp_register); + dbg("%s: temp register set to %x by power fault\n", __func__, temp_register); rc = POWER_FAILURE; func->status = 0; } else { /* Get vendor/device ID u32 */ ctrl->pci_bus->number = func->bus; rc = pci_bus_read_config_dword (ctrl->pci_bus, PCI_DEVFN(func->device, func->function), PCI_VENDOR_ID, &temp_register); - dbg("%s: pci_read_config_dword returns %d\n", __FUNCTION__, rc); - dbg("%s: temp_register is %x\n", __FUNCTION__, temp_register); + dbg("%s: pci_read_config_dword returns %d\n", __func__, rc); + dbg("%s: temp_register is %x\n", __func__, temp_register); if (rc != 0) { /* Something's wrong here */ temp_register = 0xFFFFFFFF; - dbg("%s: temp register set to %x by error\n", __FUNCTION__, temp_register); + dbg("%s: temp register set to %x by error\n", __func__, temp_register); } /* Preset return code. It will be changed later if things go okay. */ rc = NO_ADAPTER_PRESENT; @@ -1530,7 +1530,7 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl) rc = configure_new_device(ctrl, func, 0, &res_lists); - dbg("%s: back from configure_new_device\n", __FUNCTION__); + dbg("%s: back from configure_new_device\n", __func__); ctrl->io_head = res_lists.io_head; ctrl->mem_head = res_lists.mem_head; ctrl->p_mem_head = res_lists.p_mem_head; @@ -1566,7 +1566,7 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl) /* next, we will instantiate the linux pci_dev structures (with * appropriate driver notification, if already present) */ - dbg("%s: configure linux pci_dev structure\n", __FUNCTION__); + dbg("%s: configure linux pci_dev structure\n", __func__); index = 0; do { new_slot = cpqhp_slot_find(ctrl->bus, func->device, index++); @@ -1628,7 +1628,7 @@ static u32 remove_board(struct pci_func * func, u32 replace_flag, struct control device = func->device; hp_slot = func->device - ctrl->slot_device_offset; - dbg("In %s, hp_slot = %d\n", __FUNCTION__, hp_slot); + dbg("In %s, hp_slot = %d\n", __func__, hp_slot); /* When we get here, it is safe to change base address registers. * We will attempt to save the base address register lengths */ @@ -1928,7 +1928,7 @@ void cpqhp_pushbutton_thread(unsigned long slot) func = cpqhp_slot_find(p_slot->bus, p_slot->device, 0); dbg("In power_down_board, func = %p, ctrl = %p\n", func, ctrl); if (!func) { - dbg("Error! func NULL in %s\n", __FUNCTION__); + dbg("Error! func NULL in %s\n", __func__); return ; } @@ -1950,7 +1950,7 @@ void cpqhp_pushbutton_thread(unsigned long slot) func = cpqhp_slot_find(p_slot->bus, p_slot->device, 0); dbg("In add_board, func = %p, ctrl = %p\n", func, ctrl); if (!func) { - dbg("Error! func NULL in %s\n", __FUNCTION__); + dbg("Error! func NULL in %s\n", __func__); return ; } @@ -2058,7 +2058,7 @@ int cpqhp_process_SI(struct controller *ctrl, struct pci_func *func) } if (rc) { - dbg("%s: rc = %d\n", __FUNCTION__, rc); + dbg("%s: rc = %d\n", __func__, rc); } if (p_slot) @@ -2269,12 +2269,12 @@ static u32 configure_new_device(struct controller * ctrl, struct pci_func * func new_slot = func; - dbg("%s\n", __FUNCTION__); + dbg("%s\n", __func__); /* Check for Multi-function device */ ctrl->pci_bus->number = func->bus; rc = pci_bus_read_config_byte (ctrl->pci_bus, PCI_DEVFN(func->device, func->function), 0x0E, &temp_byte); if (rc) { - dbg("%s: rc = %d\n", __FUNCTION__, rc); + dbg("%s: rc = %d\n", __func__, rc); return rc; } diff --git a/drivers/pci/hotplug/cpqphp_nvram.c b/drivers/pci/hotplug/cpqphp_nvram.c index ae5e974c45a7..cb174888002b 100644 --- a/drivers/pci/hotplug/cpqphp_nvram.c +++ b/drivers/pci/hotplug/cpqphp_nvram.c @@ -160,7 +160,7 @@ static int check_for_compaq_ROM (void __iomem *rom_start) (temp6 == 'Q')) { result = 1; } - dbg ("%s - returned %d\n", __FUNCTION__, result); + dbg ("%s - returned %d\n", __func__, result); return result; } diff --git a/drivers/pci/hotplug/cpqphp_pci.c b/drivers/pci/hotplug/cpqphp_pci.c index 3f6cd20e95d2..09021930589f 100644 --- a/drivers/pci/hotplug/cpqphp_pci.c +++ b/drivers/pci/hotplug/cpqphp_pci.c @@ -120,7 +120,7 @@ int cpqhp_unconfigure_device(struct pci_func* func) { int j; - dbg("%s: bus/dev/func = %x/%x/%x\n", __FUNCTION__, func->bus, func->device, func->function); + dbg("%s: bus/dev/func = %x/%x/%x\n", __func__, func->bus, func->device, func->function); for (j=0; j<8 ; j++) { struct pci_dev* temp = pci_find_slot(func->bus, PCI_DEVFN(func->device, j)); @@ -170,11 +170,11 @@ int cpqhp_set_irq (u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num) fakedev->bus = fakebus; fakebus->number = bus_num; dbg("%s: dev %d, bus %d, pin %d, num %d\n", - __FUNCTION__, dev_num, bus_num, int_pin, irq_num); + __func__, dev_num, bus_num, int_pin, irq_num); rc = pcibios_set_irq_routing(fakedev, int_pin - 0x0a, irq_num); kfree(fakedev); kfree(fakebus); - dbg("%s: rc %d\n", __FUNCTION__, rc); + dbg("%s: rc %d\n", __func__, rc); if (!rc) return !rc; @@ -1423,7 +1423,7 @@ int cpqhp_return_board_resources(struct pci_func * func, struct resource_lists * int rc = 0; struct pci_resource *node; struct pci_resource *t_node; - dbg("%s\n", __FUNCTION__); + dbg("%s\n", __func__); if (!func) return 1; diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c index 94b640146d44..7e9a827c2687 100644 --- a/drivers/pci/hotplug/fakephp.c +++ b/drivers/pci/hotplug/fakephp.c @@ -293,7 +293,7 @@ static int enable_slot(struct hotplug_slot *hotplug_slot) /* mis-use enable_slot for rescanning of the pci bus */ cancel_work_sync(&pci_rescan_work); queue_work(dummyphp_wq, &pci_rescan_work); - return -ENODEV; + return 0; } /* find the hotplug_slot for the pci_dev */ @@ -320,7 +320,7 @@ static int disable_slot(struct hotplug_slot *slot) return -ENODEV; dslot = slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, slot->name); + dbg("%s - physical_slot = %s\n", __func__, slot->name); /* don't disable bridged devices just yet, we can't handle them easily... */ if (dslot->dev->subordinate) { diff --git a/drivers/pci/hotplug/ibmphp_core.c b/drivers/pci/hotplug/ibmphp_core.c index 87b6b8b280e6..c892daae74d6 100644 --- a/drivers/pci/hotplug/ibmphp_core.c +++ b/drivers/pci/hotplug/ibmphp_core.c @@ -148,8 +148,10 @@ int ibmphp_init_devno(struct slot **cur_slot) len = (rtable->size - sizeof(struct irq_routing_table)) / sizeof(struct irq_info); - if (!len) + if (!len) { + kfree(rtable); return -1; + } for (loop = 0; loop < len; loop++) { if ((*cur_slot)->number == rtable->slots[loop].slot) { if ((*cur_slot)->bus == rtable->slots[loop].bus) { @@ -187,11 +189,13 @@ int ibmphp_init_devno(struct slot **cur_slot) debug("rtable->slots[loop].irq[3].link = %x\n", rtable->slots[loop].irq[3].link); debug("end of init_devno\n"); + kfree(rtable); return 0; } } } + kfree(rtable); return -1; } @@ -395,7 +399,7 @@ static int get_max_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_spe struct slot *pslot; u8 mode = 0; - debug("%s - Entry hotplug_slot[%p] pvalue[%p]\n", __FUNCTION__, + debug("%s - Entry hotplug_slot[%p] pvalue[%p]\n", __func__, hotplug_slot, value); ibmphp_lock_operations(); @@ -425,7 +429,7 @@ static int get_max_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_spe } ibmphp_unlock_operations(); - debug("%s - Exit rc[%d] value[%x]\n", __FUNCTION__, rc, *value); + debug("%s - Exit rc[%d] value[%x]\n", __func__, rc, *value); return rc; } @@ -435,7 +439,7 @@ static int get_cur_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_spe struct slot *pslot; u8 mode = 0; - debug("%s - Entry hotplug_slot[%p] pvalue[%p]\n", __FUNCTION__, + debug("%s - Entry hotplug_slot[%p] pvalue[%p]\n", __func__, hotplug_slot, value); ibmphp_lock_operations(); @@ -471,7 +475,7 @@ static int get_cur_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_spe } ibmphp_unlock_operations(); - debug("%s - Exit rc[%d] value[%x]\n", __FUNCTION__, rc, *value); + debug("%s - Exit rc[%d] value[%x]\n", __func__, rc, *value); return rc; } @@ -741,13 +745,13 @@ static void free_slots(void) struct list_head * tmp; struct list_head * next; - debug("%s -- enter\n", __FUNCTION__); + debug("%s -- enter\n", __func__); list_for_each_safe(tmp, next, &ibmphp_slot_head) { slot_cur = list_entry(tmp, struct slot, ibm_slot_list); pci_hp_deregister(slot_cur->hotplug_slot); } - debug("%s -- exit\n", __FUNCTION__); + debug("%s -- exit\n", __func__); } static void ibm_unconfigure_device(struct pci_func *func) @@ -755,7 +759,7 @@ static void ibm_unconfigure_device(struct pci_func *func) struct pci_dev *temp; u8 j; - debug("inside %s\n", __FUNCTION__); + debug("inside %s\n", __func__); debug("func->device = %x, func->function = %x\n", func->device, func->function); debug("func->device << 3 | 0x0 = %x\n", func->device << 3 | 0x0); @@ -786,13 +790,13 @@ static u8 bus_structure_fixup(u8 busno) bus = kmalloc(sizeof(*bus), GFP_KERNEL); if (!bus) { - err("%s - out of memory\n", __FUNCTION__); + err("%s - out of memory\n", __func__); return 1; } dev = kmalloc(sizeof(*dev), GFP_KERNEL); if (!dev) { kfree(bus); - err("%s - out of memory\n", __FUNCTION__); + err("%s - out of memory\n", __func__); return 1; } @@ -803,7 +807,7 @@ static u8 bus_structure_fixup(u8 busno) if (!pci_read_config_word(dev, PCI_VENDOR_ID, &l) && (l != 0x0000) && (l != 0xffff)) { debug("%s - Inside bus_struture_fixup()\n", - __FUNCTION__); + __func__); pci_scan_bus(busno, ibmphp_pci_bus->ops, NULL); break; } @@ -900,7 +904,7 @@ static int set_bus(struct slot * slot_cur) { }, }; - debug("%s - entry slot # %d\n", __FUNCTION__, slot_cur->number); + debug("%s - entry slot # %d\n", __func__, slot_cur->number); if (SET_BUS_STATUS(slot_cur->ctrl) && is_bus_empty(slot_cur)) { rc = slot_update(&slot_cur); if (rc) @@ -975,7 +979,7 @@ static int set_bus(struct slot * slot_cur) /* This is for x440, once Brandon fixes the firmware, will not need this delay */ msleep(1000); - debug("%s -Exit\n", __FUNCTION__); + debug("%s -Exit\n", __func__); return 0; } diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c index bbccde9f228f..dca7efc14be2 100644 --- a/drivers/pci/hotplug/ibmphp_ebda.c +++ b/drivers/pci/hotplug/ibmphp_ebda.c @@ -127,18 +127,18 @@ static void __init print_bus_info (void) list_for_each (ptr1, &bus_info_head) { ptr = list_entry (ptr1, struct bus_info, bus_info_list); - debug ("%s - slot_min = %x\n", __FUNCTION__, ptr->slot_min); - debug ("%s - slot_max = %x\n", __FUNCTION__, ptr->slot_max); - debug ("%s - slot_count = %x\n", __FUNCTION__, ptr->slot_count); - debug ("%s - bus# = %x\n", __FUNCTION__, ptr->busno); - debug ("%s - current_speed = %x\n", __FUNCTION__, ptr->current_speed); - debug ("%s - controller_id = %x\n", __FUNCTION__, ptr->controller_id); + debug ("%s - slot_min = %x\n", __func__, ptr->slot_min); + debug ("%s - slot_max = %x\n", __func__, ptr->slot_max); + debug ("%s - slot_count = %x\n", __func__, ptr->slot_count); + debug ("%s - bus# = %x\n", __func__, ptr->busno); + debug ("%s - current_speed = %x\n", __func__, ptr->current_speed); + debug ("%s - controller_id = %x\n", __func__, ptr->controller_id); - debug ("%s - slots_at_33_conv = %x\n", __FUNCTION__, ptr->slots_at_33_conv); - debug ("%s - slots_at_66_conv = %x\n", __FUNCTION__, ptr->slots_at_66_conv); - debug ("%s - slots_at_66_pcix = %x\n", __FUNCTION__, ptr->slots_at_66_pcix); - debug ("%s - slots_at_100_pcix = %x\n", __FUNCTION__, ptr->slots_at_100_pcix); - debug ("%s - slots_at_133_pcix = %x\n", __FUNCTION__, ptr->slots_at_133_pcix); + debug ("%s - slots_at_33_conv = %x\n", __func__, ptr->slots_at_33_conv); + debug ("%s - slots_at_66_conv = %x\n", __func__, ptr->slots_at_66_conv); + debug ("%s - slots_at_66_pcix = %x\n", __func__, ptr->slots_at_66_pcix); + debug ("%s - slots_at_100_pcix = %x\n", __func__, ptr->slots_at_100_pcix); + debug ("%s - slots_at_133_pcix = %x\n", __func__, ptr->slots_at_133_pcix); } } @@ -150,12 +150,12 @@ static void print_lo_info (void) debug ("print_lo_info ----\n"); list_for_each (ptr1, &rio_lo_head) { ptr = list_entry (ptr1, struct rio_detail, rio_detail_list); - debug ("%s - rio_node_id = %x\n", __FUNCTION__, ptr->rio_node_id); - debug ("%s - rio_type = %x\n", __FUNCTION__, ptr->rio_type); - debug ("%s - owner_id = %x\n", __FUNCTION__, ptr->owner_id); - debug ("%s - first_slot_num = %x\n", __FUNCTION__, ptr->first_slot_num); - debug ("%s - wpindex = %x\n", __FUNCTION__, ptr->wpindex); - debug ("%s - chassis_num = %x\n", __FUNCTION__, ptr->chassis_num); + debug ("%s - rio_node_id = %x\n", __func__, ptr->rio_node_id); + debug ("%s - rio_type = %x\n", __func__, ptr->rio_type); + debug ("%s - owner_id = %x\n", __func__, ptr->owner_id); + debug ("%s - first_slot_num = %x\n", __func__, ptr->first_slot_num); + debug ("%s - wpindex = %x\n", __func__, ptr->wpindex); + debug ("%s - chassis_num = %x\n", __func__, ptr->chassis_num); } } @@ -164,15 +164,15 @@ static void print_vg_info (void) { struct rio_detail *ptr; struct list_head *ptr1; - debug ("%s ---\n", __FUNCTION__); + debug ("%s ---\n", __func__); list_for_each (ptr1, &rio_vg_head) { ptr = list_entry (ptr1, struct rio_detail, rio_detail_list); - debug ("%s - rio_node_id = %x\n", __FUNCTION__, ptr->rio_node_id); - debug ("%s - rio_type = %x\n", __FUNCTION__, ptr->rio_type); - debug ("%s - owner_id = %x\n", __FUNCTION__, ptr->owner_id); - debug ("%s - first_slot_num = %x\n", __FUNCTION__, ptr->first_slot_num); - debug ("%s - wpindex = %x\n", __FUNCTION__, ptr->wpindex); - debug ("%s - chassis_num = %x\n", __FUNCTION__, ptr->chassis_num); + debug ("%s - rio_node_id = %x\n", __func__, ptr->rio_node_id); + debug ("%s - rio_type = %x\n", __func__, ptr->rio_type); + debug ("%s - owner_id = %x\n", __func__, ptr->owner_id); + debug ("%s - first_slot_num = %x\n", __func__, ptr->first_slot_num); + debug ("%s - wpindex = %x\n", __func__, ptr->wpindex); + debug ("%s - chassis_num = %x\n", __func__, ptr->chassis_num); } } @@ -185,7 +185,7 @@ static void __init print_ebda_pci_rsrc (void) list_for_each (ptr1, &ibmphp_ebda_pci_rsrc_head) { ptr = list_entry (ptr1, struct ebda_pci_rsrc, ebda_pci_rsrc_list); debug ("%s - rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n", - __FUNCTION__, ptr->rsrc_type ,ptr->bus_num, ptr->dev_fun,ptr->start_addr, ptr->end_addr); + __func__, ptr->rsrc_type ,ptr->bus_num, ptr->dev_fun,ptr->start_addr, ptr->end_addr); } } @@ -196,7 +196,7 @@ static void __init print_ibm_slot (void) list_for_each (ptr1, &ibmphp_slot_head) { ptr = list_entry (ptr1, struct slot, ibm_slot_list); - debug ("%s - slot_number: %x\n", __FUNCTION__, ptr->number); + debug ("%s - slot_number: %x\n", __func__, ptr->number); } } @@ -204,13 +204,13 @@ static void __init print_opt_vg (void) { struct opt_rio *ptr; struct list_head *ptr1; - debug ("%s ---\n", __FUNCTION__); + debug ("%s ---\n", __func__); list_for_each (ptr1, &opt_vg_head) { ptr = list_entry (ptr1, struct opt_rio, opt_rio_list); - debug ("%s - rio_type %x\n", __FUNCTION__, ptr->rio_type); - debug ("%s - chassis_num: %x\n", __FUNCTION__, ptr->chassis_num); - debug ("%s - first_slot_num: %x\n", __FUNCTION__, ptr->first_slot_num); - debug ("%s - middle_num: %x\n", __FUNCTION__, ptr->middle_num); + debug ("%s - rio_type %x\n", __func__, ptr->rio_type); + debug ("%s - chassis_num: %x\n", __func__, ptr->chassis_num); + debug ("%s - first_slot_num: %x\n", __func__, ptr->first_slot_num); + debug ("%s - middle_num: %x\n", __func__, ptr->middle_num); } } @@ -225,35 +225,35 @@ static void __init print_ebda_hpc (void) hpc_ptr = list_entry (ptr1, struct controller, ebda_hpc_list); for (index = 0; index < hpc_ptr->slot_count; index++) { - debug ("%s - physical slot#: %x\n", __FUNCTION__, hpc_ptr->slots[index].slot_num); - debug ("%s - pci bus# of the slot: %x\n", __FUNCTION__, hpc_ptr->slots[index].slot_bus_num); - debug ("%s - index into ctlr addr: %x\n", __FUNCTION__, hpc_ptr->slots[index].ctl_index); - debug ("%s - cap of the slot: %x\n", __FUNCTION__, hpc_ptr->slots[index].slot_cap); + debug ("%s - physical slot#: %x\n", __func__, hpc_ptr->slots[index].slot_num); + debug ("%s - pci bus# of the slot: %x\n", __func__, hpc_ptr->slots[index].slot_bus_num); + debug ("%s - index into ctlr addr: %x\n", __func__, hpc_ptr->slots[index].ctl_index); + debug ("%s - cap of the slot: %x\n", __func__, hpc_ptr->slots[index].slot_cap); } for (index = 0; index < hpc_ptr->bus_count; index++) { - debug ("%s - bus# of each bus controlled by this ctlr: %x\n", __FUNCTION__, hpc_ptr->buses[index].bus_num); + debug ("%s - bus# of each bus controlled by this ctlr: %x\n", __func__, hpc_ptr->buses[index].bus_num); } - debug ("%s - type of hpc: %x\n", __FUNCTION__, hpc_ptr->ctlr_type); + debug ("%s - type of hpc: %x\n", __func__, hpc_ptr->ctlr_type); switch (hpc_ptr->ctlr_type) { case 1: - debug ("%s - bus: %x\n", __FUNCTION__, hpc_ptr->u.pci_ctlr.bus); - debug ("%s - dev_fun: %x\n", __FUNCTION__, hpc_ptr->u.pci_ctlr.dev_fun); - debug ("%s - irq: %x\n", __FUNCTION__, hpc_ptr->irq); + debug ("%s - bus: %x\n", __func__, hpc_ptr->u.pci_ctlr.bus); + debug ("%s - dev_fun: %x\n", __func__, hpc_ptr->u.pci_ctlr.dev_fun); + debug ("%s - irq: %x\n", __func__, hpc_ptr->irq); break; case 0: - debug ("%s - io_start: %x\n", __FUNCTION__, hpc_ptr->u.isa_ctlr.io_start); - debug ("%s - io_end: %x\n", __FUNCTION__, hpc_ptr->u.isa_ctlr.io_end); - debug ("%s - irq: %x\n", __FUNCTION__, hpc_ptr->irq); + debug ("%s - io_start: %x\n", __func__, hpc_ptr->u.isa_ctlr.io_start); + debug ("%s - io_end: %x\n", __func__, hpc_ptr->u.isa_ctlr.io_end); + debug ("%s - irq: %x\n", __func__, hpc_ptr->irq); break; case 2: case 4: - debug ("%s - wpegbbar: %lx\n", __FUNCTION__, hpc_ptr->u.wpeg_ctlr.wpegbbar); - debug ("%s - i2c_addr: %x\n", __FUNCTION__, hpc_ptr->u.wpeg_ctlr.i2c_addr); - debug ("%s - irq: %x\n", __FUNCTION__, hpc_ptr->irq); + debug ("%s - wpegbbar: %lx\n", __func__, hpc_ptr->u.wpeg_ctlr.wpegbbar); + debug ("%s - i2c_addr: %x\n", __func__, hpc_ptr->u.wpeg_ctlr.i2c_addr); + debug ("%s - irq: %x\n", __func__, hpc_ptr->irq); break; } } diff --git a/drivers/pci/hotplug/ibmphp_hpc.c b/drivers/pci/hotplug/ibmphp_hpc.c index c31e7bf34502..83f337c891a9 100644 --- a/drivers/pci/hotplug/ibmphp_hpc.c +++ b/drivers/pci/hotplug/ibmphp_hpc.c @@ -129,14 +129,14 @@ static int hpc_wait_ctlr_notworking (int, struct controller *, void __iomem *, u *---------------------------------------------------------------------*/ void __init ibmphp_hpc_initvars (void) { - debug ("%s - Entry\n", __FUNCTION__); + debug ("%s - Entry\n", __func__); mutex_init(&sem_hpcaccess); init_MUTEX (&semOperations); init_MUTEX_LOCKED (&sem_exit); to_debug = 0; - debug ("%s - Exit\n", __FUNCTION__); + debug ("%s - Exit\n", __func__); } /*---------------------------------------------------------------------- @@ -154,7 +154,7 @@ static u8 i2c_ctrl_read (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8 unsigned long ultemp; unsigned long data; // actual data HILO format - debug_polling ("%s - Entry WPGBbar[%p] index[%x] \n", __FUNCTION__, WPGBbar, index); + debug_polling ("%s - Entry WPGBbar[%p] index[%x] \n", __func__, WPGBbar, index); //-------------------------------------------------------------------- // READ - step 1 @@ -213,7 +213,7 @@ static u8 i2c_ctrl_read (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8 i--; } if (i == 0) { - debug ("%s - Error : WPG timeout\n", __FUNCTION__); + debug ("%s - Error : WPG timeout\n", __func__); return HPC_ERROR; } //-------------------------------------------------------------------- @@ -241,7 +241,7 @@ static u8 i2c_ctrl_read (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8 status = (u8) data; - debug_polling ("%s - Exit index[%x] status[%x]\n", __FUNCTION__, index, status); + debug_polling ("%s - Exit index[%x] status[%x]\n", __func__, index, status); return (status); } @@ -262,7 +262,7 @@ static u8 i2c_ctrl_write (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8 unsigned long data; // actual data HILO format int i; - debug_polling ("%s - Entry WPGBbar[%p] index[%x] cmd[%x]\n", __FUNCTION__, WPGBbar, index, cmd); + debug_polling ("%s - Entry WPGBbar[%p] index[%x] cmd[%x]\n", __func__, WPGBbar, index, cmd); rc = 0; //-------------------------------------------------------------------- @@ -324,7 +324,7 @@ static u8 i2c_ctrl_write (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8 i--; } if (i == 0) { - debug ("%s - Exit Error:WPG timeout\n", __FUNCTION__); + debug ("%s - Exit Error:WPG timeout\n", __func__); rc = HPC_ERROR; } @@ -345,7 +345,7 @@ static u8 i2c_ctrl_write (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8 rc = HPC_ERROR; } - debug_polling ("%s Exit rc[%x]\n", __FUNCTION__, rc); + debug_polling ("%s Exit rc[%x]\n", __func__, rc); return (rc); } @@ -541,12 +541,12 @@ int ibmphp_hpc_readslot (struct slot * pslot, u8 cmd, u8 * pstatus) int rc = 0; int busindex; - debug_polling ("%s - Entry pslot[%p] cmd[%x] pstatus[%p]\n", __FUNCTION__, pslot, cmd, pstatus); + debug_polling ("%s - Entry pslot[%p] cmd[%x] pstatus[%p]\n", __func__, pslot, cmd, pstatus); if ((pslot == NULL) || ((pstatus == NULL) && (cmd != READ_ALLSTAT) && (cmd != READ_BUSSTATUS))) { rc = -EINVAL; - err ("%s - Error invalid pointer, rc[%d]\n", __FUNCTION__, rc); + err ("%s - Error invalid pointer, rc[%d]\n", __func__, rc); return rc; } @@ -554,7 +554,7 @@ int ibmphp_hpc_readslot (struct slot * pslot, u8 cmd, u8 * pstatus) busindex = ibmphp_get_bus_index (pslot->bus); if (busindex < 0) { rc = -EINVAL; - err ("%s - Exit Error:invalid bus, rc[%d]\n", __FUNCTION__, rc); + err ("%s - Exit Error:invalid bus, rc[%d]\n", __func__, rc); return rc; } else index = (u8) busindex; @@ -565,7 +565,7 @@ int ibmphp_hpc_readslot (struct slot * pslot, u8 cmd, u8 * pstatus) if (index == HPC_ERROR) { rc = -EINVAL; - err ("%s - Exit Error:invalid index, rc[%d]\n", __FUNCTION__, rc); + err ("%s - Exit Error:invalid index, rc[%d]\n", __func__, rc); return rc; } @@ -641,7 +641,7 @@ int ibmphp_hpc_readslot (struct slot * pslot, u8 cmd, u8 * pstatus) ctrl_read (ctlr_ptr, wpg_bbar, index + WPG_1ST_EXTSLOT_INDEX); } else { - err ("%s - Error ctrl_read failed\n", __FUNCTION__); + err ("%s - Error ctrl_read failed\n", __func__); rc = -EINVAL; break; } @@ -662,7 +662,7 @@ int ibmphp_hpc_readslot (struct slot * pslot, u8 cmd, u8 * pstatus) free_hpc_access (); - debug_polling ("%s - Exit rc[%d]\n", __FUNCTION__, rc); + debug_polling ("%s - Exit rc[%d]\n", __func__, rc); return rc; } @@ -681,10 +681,10 @@ int ibmphp_hpc_writeslot (struct slot * pslot, u8 cmd) int rc = 0; int timeout; - debug_polling ("%s - Entry pslot[%p] cmd[%x]\n", __FUNCTION__, pslot, cmd); + debug_polling ("%s - Entry pslot[%p] cmd[%x]\n", __func__, pslot, cmd); if (pslot == NULL) { rc = -EINVAL; - err ("%s - Error Exit rc[%d]\n", __FUNCTION__, rc); + err ("%s - Error Exit rc[%d]\n", __func__, rc); return rc; } @@ -694,7 +694,7 @@ int ibmphp_hpc_writeslot (struct slot * pslot, u8 cmd) busindex = ibmphp_get_bus_index (pslot->bus); if (busindex < 0) { rc = -EINVAL; - err ("%s - Exit Error:invalid bus, rc[%d]\n", __FUNCTION__, rc); + err ("%s - Exit Error:invalid bus, rc[%d]\n", __func__, rc); return rc; } else index = (u8) busindex; @@ -705,7 +705,7 @@ int ibmphp_hpc_writeslot (struct slot * pslot, u8 cmd) if (index == HPC_ERROR) { rc = -EINVAL; - err ("%s - Error Exit rc[%d]\n", __FUNCTION__, rc); + err ("%s - Error Exit rc[%d]\n", __func__, rc); return rc; } @@ -719,7 +719,7 @@ int ibmphp_hpc_writeslot (struct slot * pslot, u8 cmd) if ((ctlr_ptr->ctlr_type == 2) || (ctlr_ptr->ctlr_type == 4)) { wpg_bbar = ioremap (ctlr_ptr->u.wpeg_ctlr.wpegbbar, WPG_I2C_IOREMAP_SIZE); - debug ("%s - ctlr id[%x] physical[%lx] logical[%lx] i2c[%x]\n", __FUNCTION__, + debug ("%s - ctlr id[%x] physical[%lx] logical[%lx] i2c[%x]\n", __func__, ctlr_ptr->ctlr_id, (ulong) (ctlr_ptr->u.wpeg_ctlr.wpegbbar), (ulong) wpg_bbar, ctlr_ptr->u.wpeg_ctlr.i2c_addr); } @@ -750,7 +750,7 @@ int ibmphp_hpc_writeslot (struct slot * pslot, u8 cmd) msleep(1000); if (timeout < 1) { done = 1; - err ("%s - Error command complete timeout\n", __FUNCTION__); + err ("%s - Error command complete timeout\n", __func__); rc = -EFAULT; } else timeout--; @@ -765,7 +765,7 @@ int ibmphp_hpc_writeslot (struct slot * pslot, u8 cmd) iounmap (wpg_bbar); free_hpc_access (); - debug_polling ("%s - Exit rc[%d]\n", __FUNCTION__, rc); + debug_polling ("%s - Exit rc[%d]\n", __func__, rc); return rc; } @@ -803,10 +803,10 @@ void ibmphp_lock_operations (void) *---------------------------------------------------------------------*/ void ibmphp_unlock_operations (void) { - debug ("%s - Entry\n", __FUNCTION__); + debug ("%s - Entry\n", __func__); up (&semOperations); to_debug = 0; - debug ("%s - Exit\n", __FUNCTION__); + debug ("%s - Exit\n", __func__); } /*---------------------------------------------------------------------- @@ -827,7 +827,7 @@ static int poll_hpc(void *data) int poll_count = 0; u8 ctrl_count = 0x00; - debug ("%s - Entry\n", __FUNCTION__); + debug ("%s - Entry\n", __func__); while (!kthread_should_stop()) { /* try to get the lock to do some kind of hardware access */ @@ -907,7 +907,7 @@ static int poll_hpc(void *data) msleep(100); } up (&sem_exit); - debug ("%s - Exit\n", __FUNCTION__); + debug ("%s - Exit\n", __func__); return 0; } @@ -999,7 +999,7 @@ static int process_changeinstatus (struct slot *pslot, struct slot *poldslot) ibmphp_update_slot_info (pslot); } - debug ("%s - Exit rc[%d] disable[%x] update[%x]\n", __FUNCTION__, rc, disable, update); + debug ("%s - Exit rc[%d] disable[%x] update[%x]\n", __func__, rc, disable, update); return rc; } @@ -1021,7 +1021,7 @@ static int process_changeinlatch (u8 old, u8 new, struct controller *ctrl) u8 mask; int rc = 0; - debug ("%s - Entry old[%x], new[%x]\n", __FUNCTION__, old, new); + debug ("%s - Entry old[%x], new[%x]\n", __func__, old, new); // bit 0 reserved, 0 is LSB, check bit 1-6 for 6 slots for (i = ctrl->starting_slot_num; i <= ctrl->ending_slot_num; i++) { @@ -1031,15 +1031,15 @@ static int process_changeinlatch (u8 old, u8 new, struct controller *ctrl) if (pslot) { memcpy ((void *) &myslot, (void *) pslot, sizeof (struct slot)); rc = ibmphp_hpc_readslot (pslot, READ_ALLSTAT, NULL); - debug ("%s - call process_changeinstatus for slot[%d]\n", __FUNCTION__, i); + debug ("%s - call process_changeinstatus for slot[%d]\n", __func__, i); process_changeinstatus (pslot, &myslot); } else { rc = -EINVAL; - err ("%s - Error bad pointer for slot[%d]\n", __FUNCTION__, i); + err ("%s - Error bad pointer for slot[%d]\n", __func__, i); } } } - debug ("%s - Exit rc[%d]\n", __FUNCTION__, rc); + debug ("%s - Exit rc[%d]\n", __func__, rc); return rc; } @@ -1050,11 +1050,11 @@ static int process_changeinlatch (u8 old, u8 new, struct controller *ctrl) *---------------------------------------------------------------------*/ int __init ibmphp_hpc_start_poll_thread (void) { - debug ("%s - Entry\n", __FUNCTION__); + debug ("%s - Entry\n", __func__); ibmphp_poll_thread = kthread_run(poll_hpc, NULL, "hpc_poll"); if (IS_ERR(ibmphp_poll_thread)) { - err ("%s - Error, thread not started\n", __FUNCTION__); + err ("%s - Error, thread not started\n", __func__); return PTR_ERR(ibmphp_poll_thread); } return 0; @@ -1067,7 +1067,7 @@ int __init ibmphp_hpc_start_poll_thread (void) *---------------------------------------------------------------------*/ void __exit ibmphp_hpc_stop_poll_thread (void) { - debug ("%s - Entry\n", __FUNCTION__); + debug ("%s - Entry\n", __func__); kthread_stop(ibmphp_poll_thread); debug ("before locking operations \n"); @@ -1088,7 +1088,7 @@ void __exit ibmphp_hpc_stop_poll_thread (void) up (&sem_exit); debug ("after sem exit up\n"); - debug ("%s - Exit\n", __FUNCTION__); + debug ("%s - Exit\n", __func__); } /*---------------------------------------------------------------------- diff --git a/drivers/pci/hotplug/ibmphp_pci.c b/drivers/pci/hotplug/ibmphp_pci.c index d8f05d7a3c72..7b09e16173ad 100644 --- a/drivers/pci/hotplug/ibmphp_pci.c +++ b/drivers/pci/hotplug/ibmphp_pci.c @@ -364,7 +364,7 @@ static int configure_device (struct pci_func *func) struct resource_node *pfmem[6]; unsigned int devfn; - debug ("%s - inside\n", __FUNCTION__); + debug ("%s - inside\n", __func__); devfn = PCI_DEVFN(func->device, func->function); ibmphp_pci_bus->number = func->busno; @@ -595,7 +595,7 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno) u8 irq; int retval; - debug ("%s - enter\n", __FUNCTION__); + debug ("%s - enter\n", __func__); devfn = PCI_DEVFN(func->function, func->device); ibmphp_pci_bus->number = func->busno; @@ -1234,7 +1234,7 @@ static int unconfigure_boot_device (u8 busno, u8 device, u8 function) u32 tmp_address; unsigned int devfn; - debug ("%s - enter\n", __FUNCTION__); + debug ("%s - enter\n", __func__); bus = ibmphp_find_res_bus (busno); if (!bus) { @@ -1351,7 +1351,7 @@ static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function) bus_no = (int) busno; debug ("busno is %x\n", busno); pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_PRIMARY_BUS, &pri_number); - debug ("%s - busno = %x, primary_number = %x\n", __FUNCTION__, busno, pri_number); + debug ("%s - busno = %x, primary_number = %x\n", __func__, busno, pri_number); pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number); debug ("sec_number is %x\n", sec_number); @@ -1437,7 +1437,7 @@ static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function) } } /* end of mem */ } /* end of for */ - debug ("%s - exiting, returning success\n", __FUNCTION__); + debug ("%s - exiting, returning success\n", __func__); return 0; } @@ -1453,7 +1453,7 @@ static int unconfigure_boot_card (struct slot *slot_cur) unsigned int devfn; u8 valid_device = 0x00; /* To see if we are ever able to find valid device and read it */ - debug ("%s - enter\n", __FUNCTION__); + debug ("%s - enter\n", __func__); device = slot_cur->device; busno = slot_cur->bus; @@ -1470,7 +1470,7 @@ static int unconfigure_boot_card (struct slot *slot_cur) /* found correct device!!! */ ++valid_device; - debug ("%s - found correct device\n", __FUNCTION__); + debug ("%s - found correct device\n", __func__); /* header: x x x x x x x x * | |___________|=> 1=PPB bridge, 0=normal device, 2=CardBus Bridge @@ -1573,7 +1573,7 @@ int ibmphp_unconfigure_card (struct slot **slot_cur, int the_end) struct pci_func *cur_func = NULL; struct pci_func *temp_func; - debug ("%s - enter\n", __FUNCTION__); + debug ("%s - enter\n", __func__); if (!the_end) { /* Need to unconfigure the card */ @@ -1624,7 +1624,7 @@ int ibmphp_unconfigure_card (struct slot **slot_cur, int the_end) sl->func = NULL; *slot_cur = sl; - debug ("%s - exit\n", __FUNCTION__); + debug ("%s - exit\n", __func__); return 0; } diff --git a/drivers/pci/hotplug/ibmphp_res.c b/drivers/pci/hotplug/ibmphp_res.c index 5636b1ac2a2e..ec73294d1fa6 100644 --- a/drivers/pci/hotplug/ibmphp_res.c +++ b/drivers/pci/hotplug/ibmphp_res.c @@ -563,7 +563,7 @@ static void fix_resources (struct bus_node *bus_cur) struct range_node *range; struct resource_node *res; - debug ("%s - bus_cur->busno = %d\n", __FUNCTION__, bus_cur->busno); + debug ("%s - bus_cur->busno = %d\n", __func__, bus_cur->busno); if (bus_cur->needIOUpdate) { res = bus_cur->firstIO; @@ -599,7 +599,7 @@ int ibmphp_add_resource (struct resource_node *res) struct range_node *range_cur = NULL; struct resource_node *res_start = NULL; - debug ("%s - enter\n", __FUNCTION__); + debug ("%s - enter\n", __func__); if (!res) { err ("NULL passed to add\n"); @@ -762,7 +762,7 @@ int ibmphp_add_resource (struct resource_node *res) } } - debug ("%s - exit\n", __FUNCTION__); + debug ("%s - exit\n", __func__); return 0; } @@ -1001,7 +1001,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge) return -EINVAL; } - debug ("%s - enter\n", __FUNCTION__); + debug ("%s - enter\n", __func__); debug ("bus_cur->busno is %d\n", bus_cur->busno); /* This is a quick fix to not mess up with the code very much. i.e., @@ -1029,7 +1029,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge) while (res_cur) { range = find_range (bus_cur, res_cur); - debug ("%s - rangeno = %d\n", __FUNCTION__, res_cur->rangeno); + debug ("%s - rangeno = %d\n", __func__, res_cur->rangeno); if (!range) { err ("no range for the device exists... bailing out...\n"); @@ -1942,7 +1942,7 @@ static int __init update_bridge_ranges (struct bus_node **bus) return -ENODEV; ibmphp_pci_bus->number = bus_cur->busno; - debug ("inside %s\n", __FUNCTION__); + debug ("inside %s\n", __func__); debug ("bus_cur->busno = %x\n", bus_cur->busno); for (device = 0; device < 32; device++) { diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c index dd59a050260f..925ba16355ce 100644 --- a/drivers/pci/hotplug/pci_hotplug_core.c +++ b/drivers/pci/hotplug/pci_hotplug_core.c @@ -43,7 +43,7 @@ #define MY_NAME "pci_hotplug" -#define dbg(fmt, arg...) do { if (debug) printk(KERN_DEBUG "%s: %s: " fmt , MY_NAME , __FUNCTION__ , ## arg); } while (0) +#define dbg(fmt, arg...) do { if (debug) printk(KERN_DEBUG "%s: %s: " fmt , MY_NAME , __func__ , ## arg); } while (0) #define err(format, arg...) printk(KERN_ERR "%s: " format , MY_NAME , ## arg) #define info(format, arg...) printk(KERN_INFO "%s: " format , MY_NAME , ## arg) #define warn(format, arg...) printk(KERN_WARNING "%s: " format , MY_NAME , ## arg) diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index ca656b27a500..f14267e197dd 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -168,7 +168,7 @@ static inline struct slot *pciehp_find_slot(struct controller *ctrl, u8 device) return slot; } - err("%s: slot (device=0x%x) not found\n", __FUNCTION__, device); + err("%s: slot (device=0x%x) not found\n", __func__, device); return NULL; } diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 5fa4ba0d9934..aee19f013d84 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -184,7 +184,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot) { struct slot *slot = hotplug_slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); kfree(slot->hotplug_slot->info); kfree(slot->hotplug_slot); @@ -301,7 +301,7 @@ static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status) { struct slot *slot = hotplug_slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); hotplug_slot->info->attention_status = status; @@ -316,7 +316,7 @@ static int enable_slot(struct hotplug_slot *hotplug_slot) { struct slot *slot = hotplug_slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); return pciehp_sysfs_enable_slot(slot); } @@ -326,7 +326,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot) { struct slot *slot = hotplug_slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); return pciehp_sysfs_disable_slot(slot); } @@ -336,7 +336,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = hotplug_slot->private; int retval; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); retval = slot->hpc_ops->get_power_status(slot, value); if (retval < 0) @@ -350,7 +350,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = hotplug_slot->private; int retval; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); retval = slot->hpc_ops->get_attention_status(slot, value); if (retval < 0) @@ -364,7 +364,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = hotplug_slot->private; int retval; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); retval = slot->hpc_ops->get_latch_status(slot, value); if (retval < 0) @@ -378,7 +378,7 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = hotplug_slot->private; int retval; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); retval = slot->hpc_ops->get_adapter_status(slot, value); if (retval < 0) @@ -392,7 +392,7 @@ static int get_address(struct hotplug_slot *hotplug_slot, u32 *value) struct slot *slot = hotplug_slot->private; struct pci_bus *bus = slot->ctrl->pci_dev->subordinate; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); *value = (pci_domain_nr(bus) << 16) | (slot->bus << 8) | slot->device; @@ -404,7 +404,7 @@ static int get_max_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_spe struct slot *slot = hotplug_slot->private; int retval; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); retval = slot->hpc_ops->get_max_bus_speed(slot, value); if (retval < 0) @@ -418,7 +418,7 @@ static int get_cur_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_spe struct slot *slot = hotplug_slot->private; int retval; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); retval = slot->hpc_ops->get_cur_bus_speed(slot, value); if (retval < 0) @@ -437,7 +437,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_ ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); if (!ctrl) { - err("%s : out of memory\n", __FUNCTION__); + err("%s : out of memory\n", __func__); goto err_out_none; } INIT_LIST_HEAD(&ctrl->slot_list); @@ -454,7 +454,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_ pci_set_drvdata(pdev, ctrl); dbg("%s: ctrl bus=0x%x, device=%x, function=%x, irq=%x\n", - __FUNCTION__, pdev->bus->number, PCI_SLOT(pdev->devfn), + __func__, pdev->bus->number, PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn), pdev->irq); /* Setup the slot information structures */ @@ -503,13 +503,13 @@ static void pciehp_remove (struct pcie_device *dev) #ifdef CONFIG_PM static int pciehp_suspend (struct pcie_device *dev, pm_message_t state) { - printk("%s ENTRY\n", __FUNCTION__); + printk("%s ENTRY\n", __func__); return 0; } static int pciehp_resume (struct pcie_device *dev) { - printk("%s ENTRY\n", __FUNCTION__); + printk("%s ENTRY\n", __func__); if (pciehp_force) { struct pci_dev *pdev = dev->port; struct controller *ctrl = pci_get_drvdata(pdev); @@ -563,7 +563,7 @@ static int __init pcied_init(void) dbg("pcie_port_service_register = %d\n", retval); info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); if (retval) - dbg("%s: Failure to register service\n", __FUNCTION__); + dbg("%s: Failure to register service\n", __func__); return retval; } diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index b23061c56115..0c481f7d2ab3 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -181,7 +181,7 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot) if (POWER_CTRL(ctrl->ctrlcap)) { if (pslot->hpc_ops->power_off_slot(pslot)) { err("%s: Issue of Slot Power Off command failed\n", - __FUNCTION__); + __func__); return; } } @@ -192,7 +192,7 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot) if (ATTN_LED(ctrl->ctrlcap)) { if (pslot->hpc_ops->set_attention_status(pslot, 1)) { err("%s: Issue of Set Attention Led command failed\n", - __FUNCTION__); + __func__); return; } } @@ -211,7 +211,7 @@ static int board_added(struct slot *p_slot) struct controller *ctrl = p_slot->ctrl; dbg("%s: slot device, slot offset, hp slot = %d, %d ,%d\n", - __FUNCTION__, p_slot->device, + __func__, p_slot->device, ctrl->slot_device_offset, p_slot->hp_slot); if (POWER_CTRL(ctrl->ctrlcap)) { @@ -230,14 +230,14 @@ static int board_added(struct slot *p_slot) /* Check link training status */ retval = p_slot->hpc_ops->check_lnk_status(ctrl); if (retval) { - err("%s: Failed to check link status\n", __FUNCTION__); + err("%s: Failed to check link status\n", __func__); set_slot_off(ctrl, p_slot); return retval; } /* Check for a power fault */ if (p_slot->hpc_ops->query_power_fault(p_slot)) { - dbg("%s: power fault detected\n", __FUNCTION__); + dbg("%s: power fault detected\n", __func__); retval = POWER_FAILURE; goto err_exit; } @@ -277,14 +277,14 @@ static int remove_board(struct slot *p_slot) if (retval) return retval; - dbg("In %s, hp_slot = %d\n", __FUNCTION__, p_slot->hp_slot); + dbg("In %s, hp_slot = %d\n", __func__, p_slot->hp_slot); if (POWER_CTRL(ctrl->ctrlcap)) { /* power off slot */ retval = p_slot->hpc_ops->power_off_slot(p_slot); if (retval) { err("%s: Issue of Slot Disable command failed\n", - __FUNCTION__); + __func__); return retval; } } @@ -319,7 +319,7 @@ static void pciehp_power_thread(struct work_struct *work) case POWEROFF_STATE: mutex_unlock(&p_slot->lock); dbg("%s: disabling bus:device(%x:%x)\n", - __FUNCTION__, p_slot->bus, p_slot->device); + __func__, p_slot->bus, p_slot->device); pciehp_disable_slot(p_slot); mutex_lock(&p_slot->lock); p_slot->state = STATIC_STATE; @@ -347,7 +347,7 @@ void pciehp_queue_pushbutton_work(struct work_struct *work) info = kmalloc(sizeof(*info), GFP_KERNEL); if (!info) { - err("%s: Cannot allocate memory\n", __FUNCTION__); + err("%s: Cannot allocate memory\n", __func__); return; } info->p_slot = p_slot; @@ -424,7 +424,7 @@ static void handle_button_press_event(struct slot *p_slot) * expires to cancel hot-add or hot-remove */ info("Button cancel on Slot(%s)\n", p_slot->name); - dbg("%s: button cancel\n", __FUNCTION__); + dbg("%s: button cancel\n", __func__); cancel_delayed_work(&p_slot->work); if (p_slot->state == BLINKINGOFF_STATE) { if (PWR_LED(ctrl->ctrlcap)) @@ -465,7 +465,7 @@ static void handle_surprise_event(struct slot *p_slot) info = kmalloc(sizeof(*info), GFP_KERNEL); if (!info) { - err("%s: Cannot allocate memory\n", __FUNCTION__); + err("%s: Cannot allocate memory\n", __func__); return; } info->p_slot = p_slot; @@ -526,7 +526,7 @@ int pciehp_enable_slot(struct slot *p_slot) rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus); if (rc || !getstatus) { - info("%s: no adapter on slot(%s)\n", __FUNCTION__, + info("%s: no adapter on slot(%s)\n", __func__, p_slot->name); mutex_unlock(&p_slot->ctrl->crit_sect); return -ENODEV; @@ -534,7 +534,7 @@ int pciehp_enable_slot(struct slot *p_slot) if (MRL_SENS(p_slot->ctrl->ctrlcap)) { rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus); if (rc || getstatus) { - info("%s: latch open on slot(%s)\n", __FUNCTION__, + info("%s: latch open on slot(%s)\n", __func__, p_slot->name); mutex_unlock(&p_slot->ctrl->crit_sect); return -ENODEV; @@ -544,7 +544,7 @@ int pciehp_enable_slot(struct slot *p_slot) if (POWER_CTRL(p_slot->ctrl->ctrlcap)) { rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus); if (rc || getstatus) { - info("%s: already enabled on slot(%s)\n", __FUNCTION__, + info("%s: already enabled on slot(%s)\n", __func__, p_slot->name); mutex_unlock(&p_slot->ctrl->crit_sect); return -EINVAL; @@ -579,7 +579,7 @@ int pciehp_disable_slot(struct slot *p_slot) if (!HP_SUPR_RM(p_slot->ctrl->ctrlcap)) { ret = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus); if (ret || !getstatus) { - info("%s: no adapter on slot(%s)\n", __FUNCTION__, + info("%s: no adapter on slot(%s)\n", __func__, p_slot->name); mutex_unlock(&p_slot->ctrl->crit_sect); return -ENODEV; @@ -589,7 +589,7 @@ int pciehp_disable_slot(struct slot *p_slot) if (MRL_SENS(p_slot->ctrl->ctrlcap)) { ret = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus); if (ret || getstatus) { - info("%s: latch open on slot(%s)\n", __FUNCTION__, + info("%s: latch open on slot(%s)\n", __func__, p_slot->name); mutex_unlock(&p_slot->ctrl->crit_sect); return -ENODEV; @@ -599,7 +599,7 @@ int pciehp_disable_slot(struct slot *p_slot) if (POWER_CTRL(p_slot->ctrl->ctrlcap)) { ret = p_slot->hpc_ops->get_power_status(p_slot, &getstatus); if (ret || !getstatus) { - info("%s: already disabled slot(%s)\n", __FUNCTION__, + info("%s: already disabled slot(%s)\n", __func__, p_slot->name); mutex_unlock(&p_slot->ctrl->crit_sect); return -EINVAL; diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 698975a6a21c..b4bbd07d1e39 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -258,7 +258,7 @@ static int pcie_write_cmd(struct slot *slot, u16 cmd, u16 mask) retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status); if (retval) { - err("%s: Cannot read SLOTSTATUS register\n", __FUNCTION__); + err("%s: Cannot read SLOTSTATUS register\n", __func__); goto out; } @@ -267,13 +267,13 @@ static int pcie_write_cmd(struct slot *slot, u16 cmd, u16 mask) proceed forward to issue the next command according to spec. Just print out the error message */ dbg("%s: CMD_COMPLETED not clear after 1 sec.\n", - __FUNCTION__); + __func__); } spin_lock_irqsave(&ctrl->lock, flags); retval = pciehp_readw(ctrl, SLOTCTRL, &slot_ctrl); if (retval) { - err("%s: Cannot read SLOTCTRL register\n", __FUNCTION__); + err("%s: Cannot read SLOTCTRL register\n", __func__); goto out_spin_unlock; } @@ -283,7 +283,7 @@ static int pcie_write_cmd(struct slot *slot, u16 cmd, u16 mask) ctrl->cmd_busy = 1; retval = pciehp_writew(ctrl, SLOTCTRL, slot_ctrl); if (retval) - err("%s: Cannot write to SLOTCTRL register\n", __FUNCTION__); + err("%s: Cannot write to SLOTCTRL register\n", __func__); out_spin_unlock: spin_unlock_irqrestore(&ctrl->lock, flags); @@ -305,14 +305,14 @@ static int hpc_check_lnk_status(struct controller *ctrl) retval = pciehp_readw(ctrl, LNKSTATUS, &lnk_status); if (retval) { - err("%s: Cannot read LNKSTATUS register\n", __FUNCTION__); + err("%s: Cannot read LNKSTATUS register\n", __func__); return retval; } - dbg("%s: lnk_status = %x\n", __FUNCTION__, lnk_status); + dbg("%s: lnk_status = %x\n", __func__, lnk_status); if ( (lnk_status & LNK_TRN) || (lnk_status & LNK_TRN_ERR) || !(lnk_status & NEG_LINK_WD)) { - err("%s : Link Training Error occurs \n", __FUNCTION__); + err("%s : Link Training Error occurs \n", __func__); retval = -1; return retval; } @@ -329,12 +329,12 @@ static int hpc_get_attention_status(struct slot *slot, u8 *status) retval = pciehp_readw(ctrl, SLOTCTRL, &slot_ctrl); if (retval) { - err("%s: Cannot read SLOTCTRL register\n", __FUNCTION__); + err("%s: Cannot read SLOTCTRL register\n", __func__); return retval; } dbg("%s: SLOTCTRL %x, value read %x\n", - __FUNCTION__, ctrl->cap_base + SLOTCTRL, slot_ctrl); + __func__, ctrl->cap_base + SLOTCTRL, slot_ctrl); atten_led_state = (slot_ctrl & ATTN_LED_CTRL) >> 6; @@ -368,11 +368,11 @@ static int hpc_get_power_status(struct slot *slot, u8 *status) retval = pciehp_readw(ctrl, SLOTCTRL, &slot_ctrl); if (retval) { - err("%s: Cannot read SLOTCTRL register\n", __FUNCTION__); + err("%s: Cannot read SLOTCTRL register\n", __func__); return retval; } dbg("%s: SLOTCTRL %x value read %x\n", - __FUNCTION__, ctrl->cap_base + SLOTCTRL, slot_ctrl); + __func__, ctrl->cap_base + SLOTCTRL, slot_ctrl); pwr_state = (slot_ctrl & PWR_CTRL) >> 10; @@ -399,7 +399,7 @@ static int hpc_get_latch_status(struct slot *slot, u8 *status) retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status); if (retval) { - err("%s: Cannot read SLOTSTATUS register\n", __FUNCTION__); + err("%s: Cannot read SLOTSTATUS register\n", __func__); return retval; } @@ -417,7 +417,7 @@ static int hpc_get_adapter_status(struct slot *slot, u8 *status) retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status); if (retval) { - err("%s: Cannot read SLOTSTATUS register\n", __FUNCTION__); + err("%s: Cannot read SLOTSTATUS register\n", __func__); return retval; } card_state = (u8)((slot_status & PRSN_STATE) >> 6); @@ -435,7 +435,7 @@ static int hpc_query_power_fault(struct slot *slot) retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status); if (retval) { - err("%s: Cannot check for power fault\n", __FUNCTION__); + err("%s: Cannot check for power fault\n", __func__); return retval; } pwr_fault = (u8)((slot_status & PWR_FAULT_DETECTED) >> 1); @@ -451,7 +451,7 @@ static int hpc_get_emi_status(struct slot *slot, u8 *status) retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status); if (retval) { - err("%s : Cannot check EMI status\n", __FUNCTION__); + err("%s : Cannot check EMI status\n", __func__); return retval; } *status = (slot_status & EMI_STATE) >> EMI_STATUS_BIT; @@ -506,7 +506,7 @@ static int hpc_set_attention_status(struct slot *slot, u8 value) rc = pcie_write_cmd(slot, slot_cmd, cmd_mask); dbg("%s: SLOTCTRL %x write cmd %x\n", - __FUNCTION__, ctrl->cap_base + SLOTCTRL, slot_cmd); + __func__, ctrl->cap_base + SLOTCTRL, slot_cmd); return rc; } @@ -527,7 +527,7 @@ static void hpc_set_green_led_on(struct slot *slot) pcie_write_cmd(slot, slot_cmd, cmd_mask); dbg("%s: SLOTCTRL %x write cmd %x\n", - __FUNCTION__, ctrl->cap_base + SLOTCTRL, slot_cmd); + __func__, ctrl->cap_base + SLOTCTRL, slot_cmd); } static void hpc_set_green_led_off(struct slot *slot) @@ -545,7 +545,7 @@ static void hpc_set_green_led_off(struct slot *slot) pcie_write_cmd(slot, slot_cmd, cmd_mask); dbg("%s: SLOTCTRL %x write cmd %x\n", - __FUNCTION__, ctrl->cap_base + SLOTCTRL, slot_cmd); + __func__, ctrl->cap_base + SLOTCTRL, slot_cmd); } static void hpc_set_green_led_blink(struct slot *slot) @@ -564,7 +564,7 @@ static void hpc_set_green_led_blink(struct slot *slot) pcie_write_cmd(slot, slot_cmd, cmd_mask); dbg("%s: SLOTCTRL %x write cmd %x\n", - __FUNCTION__, ctrl->cap_base + SLOTCTRL, slot_cmd); + __func__, ctrl->cap_base + SLOTCTRL, slot_cmd); } static void hpc_release_ctlr(struct controller *ctrl) @@ -590,12 +590,12 @@ static int hpc_power_on_slot(struct slot * slot) u16 slot_status; int retval = 0; - dbg("%s: slot->hp_slot %x\n", __FUNCTION__, slot->hp_slot); + dbg("%s: slot->hp_slot %x\n", __func__, slot->hp_slot); /* Clear sticky power-fault bit from previous power failures */ retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status); if (retval) { - err("%s: Cannot read SLOTSTATUS register\n", __FUNCTION__); + err("%s: Cannot read SLOTSTATUS register\n", __func__); return retval; } slot_status &= PWR_FAULT_DETECTED; @@ -603,7 +603,7 @@ static int hpc_power_on_slot(struct slot * slot) retval = pciehp_writew(ctrl, SLOTSTATUS, slot_status); if (retval) { err("%s: Cannot write to SLOTSTATUS register\n", - __FUNCTION__); + __func__); return retval; } } @@ -627,11 +627,11 @@ static int hpc_power_on_slot(struct slot * slot) retval = pcie_write_cmd(slot, slot_cmd, cmd_mask); if (retval) { - err("%s: Write %x command failed!\n", __FUNCTION__, slot_cmd); + err("%s: Write %x command failed!\n", __func__, slot_cmd); return -1; } dbg("%s: SLOTCTRL %x write cmd %x\n", - __FUNCTION__, ctrl->cap_base + SLOTCTRL, slot_cmd); + __func__, ctrl->cap_base + SLOTCTRL, slot_cmd); return retval; } @@ -677,7 +677,7 @@ static int hpc_power_off_slot(struct slot * slot) int retval = 0; int changed; - dbg("%s: slot->hp_slot %x\n", __FUNCTION__, slot->hp_slot); + dbg("%s: slot->hp_slot %x\n", __func__, slot->hp_slot); /* * Set Bad DLLP Mask bit in Correctable Error Mask @@ -710,12 +710,12 @@ static int hpc_power_off_slot(struct slot * slot) retval = pcie_write_cmd(slot, slot_cmd, cmd_mask); if (retval) { - err("%s: Write command failed!\n", __FUNCTION__); + err("%s: Write command failed!\n", __func__); retval = -1; goto out; } dbg("%s: SLOTCTRL %x write cmd %x\n", - __FUNCTION__, ctrl->cap_base + SLOTCTRL, slot_cmd); + __func__, ctrl->cap_base + SLOTCTRL, slot_cmd); /* * After turning power off, we must wait for at least 1 second @@ -741,7 +741,7 @@ static irqreturn_t pcie_isr(int irq, void *dev_id) rc = pciehp_readw(ctrl, SLOTSTATUS, &slot_status); if (rc) { - err("%s: Cannot read SLOTSTATUS register\n", __FUNCTION__); + err("%s: Cannot read SLOTSTATUS register\n", __func__); return IRQ_NONE; } @@ -754,26 +754,26 @@ static irqreturn_t pcie_isr(int irq, void *dev_id) if ( !intr_loc ) return IRQ_NONE; - dbg("%s: intr_loc %x\n", __FUNCTION__, intr_loc); + dbg("%s: intr_loc %x\n", __func__, intr_loc); /* Mask Hot-plug Interrupt Enable */ if (!pciehp_poll_mode) { spin_lock_irqsave(&ctrl->lock, flags); rc = pciehp_readw(ctrl, SLOTCTRL, &temp_word); if (rc) { err("%s: Cannot read SLOT_CTRL register\n", - __FUNCTION__); + __func__); spin_unlock_irqrestore(&ctrl->lock, flags); return IRQ_NONE; } dbg("%s: pciehp_readw(SLOTCTRL) with value %x\n", - __FUNCTION__, temp_word); + __func__, temp_word); temp_word = (temp_word & ~HP_INTR_ENABLE & ~CMD_CMPL_INTR_ENABLE) | 0x00; rc = pciehp_writew(ctrl, SLOTCTRL, temp_word); if (rc) { err("%s: Cannot write to SLOTCTRL register\n", - __FUNCTION__); + __func__); spin_unlock_irqrestore(&ctrl->lock, flags); return IRQ_NONE; } @@ -782,18 +782,18 @@ static irqreturn_t pcie_isr(int irq, void *dev_id) rc = pciehp_readw(ctrl, SLOTSTATUS, &slot_status); if (rc) { err("%s: Cannot read SLOT_STATUS register\n", - __FUNCTION__); + __func__); return IRQ_NONE; } dbg("%s: pciehp_readw(SLOTSTATUS) with value %x\n", - __FUNCTION__, slot_status); + __func__, slot_status); /* Clear command complete interrupt caused by this write */ temp_word = 0x1f; rc = pciehp_writew(ctrl, SLOTSTATUS, temp_word); if (rc) { err("%s: Cannot write to SLOTSTATUS register\n", - __FUNCTION__); + __func__); return IRQ_NONE; } } @@ -822,7 +822,7 @@ static irqreturn_t pcie_isr(int irq, void *dev_id) temp_word = 0x1F; rc = pciehp_writew(ctrl, SLOTSTATUS, temp_word); if (rc) { - err("%s: Cannot write to SLOTSTATUS register\n", __FUNCTION__); + err("%s: Cannot write to SLOTSTATUS register\n", __func__); return IRQ_NONE; } /* Unmask Hot-plug Interrupt Enable */ @@ -831,18 +831,18 @@ static irqreturn_t pcie_isr(int irq, void *dev_id) rc = pciehp_readw(ctrl, SLOTCTRL, &temp_word); if (rc) { err("%s: Cannot read SLOTCTRL register\n", - __FUNCTION__); + __func__); spin_unlock_irqrestore(&ctrl->lock, flags); return IRQ_NONE; } - dbg("%s: Unmask Hot-plug Interrupt Enable\n", __FUNCTION__); + dbg("%s: Unmask Hot-plug Interrupt Enable\n", __func__); temp_word = (temp_word & ~HP_INTR_ENABLE) | HP_INTR_ENABLE; rc = pciehp_writew(ctrl, SLOTCTRL, temp_word); if (rc) { err("%s: Cannot write to SLOTCTRL register\n", - __FUNCTION__); + __func__); spin_unlock_irqrestore(&ctrl->lock, flags); return IRQ_NONE; } @@ -851,7 +851,7 @@ static irqreturn_t pcie_isr(int irq, void *dev_id) rc = pciehp_readw(ctrl, SLOTSTATUS, &slot_status); if (rc) { err("%s: Cannot read SLOT_STATUS register\n", - __FUNCTION__); + __func__); return IRQ_NONE; } @@ -860,11 +860,11 @@ static irqreturn_t pcie_isr(int irq, void *dev_id) rc = pciehp_writew(ctrl, SLOTSTATUS, temp_word); if (rc) { err("%s: Cannot write to SLOTSTATUS failed\n", - __FUNCTION__); + __func__); return IRQ_NONE; } dbg("%s: pciehp_writew(SLOTSTATUS) with value %x\n", - __FUNCTION__, temp_word); + __func__, temp_word); } return IRQ_HANDLED; @@ -879,7 +879,7 @@ static int hpc_get_max_lnk_speed(struct slot *slot, enum pci_bus_speed *value) retval = pciehp_readl(ctrl, LNKCAP, &lnk_cap); if (retval) { - err("%s: Cannot read LNKCAP register\n", __FUNCTION__); + err("%s: Cannot read LNKCAP register\n", __func__); return retval; } @@ -908,7 +908,7 @@ static int hpc_get_max_lnk_width(struct slot *slot, retval = pciehp_readl(ctrl, LNKCAP, &lnk_cap); if (retval) { - err("%s: Cannot read LNKCAP register\n", __FUNCTION__); + err("%s: Cannot read LNKCAP register\n", __func__); return retval; } @@ -957,7 +957,7 @@ static int hpc_get_cur_lnk_speed(struct slot *slot, enum pci_bus_speed *value) retval = pciehp_readw(ctrl, LNKSTATUS, &lnk_status); if (retval) { - err("%s: Cannot read LNKSTATUS register\n", __FUNCTION__); + err("%s: Cannot read LNKSTATUS register\n", __func__); return retval; } @@ -986,7 +986,7 @@ static int hpc_get_cur_lnk_width(struct slot *slot, retval = pciehp_readw(ctrl, LNKSTATUS, &lnk_status); if (retval) { - err("%s: Cannot read LNKSTATUS register\n", __FUNCTION__); + err("%s: Cannot read LNKSTATUS register\n", __func__); return retval; } @@ -1130,38 +1130,38 @@ static int pcie_init_hardware_part1(struct controller *ctrl, rc = pciehp_readl(ctrl, SLOTCAP, &slot_cap); if (rc) { - err("%s: Cannot read SLOTCAP register\n", __FUNCTION__); + err("%s: Cannot read SLOTCAP register\n", __func__); return -1; } /* Mask Hot-plug Interrupt Enable */ rc = pciehp_readw(ctrl, SLOTCTRL, &temp_word); if (rc) { - err("%s: Cannot read SLOTCTRL register\n", __FUNCTION__); + err("%s: Cannot read SLOTCTRL register\n", __func__); return -1; } dbg("%s: SLOTCTRL %x value read %x\n", - __FUNCTION__, ctrl->cap_base + SLOTCTRL, temp_word); + __func__, ctrl->cap_base + SLOTCTRL, temp_word); temp_word = (temp_word & ~HP_INTR_ENABLE & ~CMD_CMPL_INTR_ENABLE) | 0x00; rc = pciehp_writew(ctrl, SLOTCTRL, temp_word); if (rc) { - err("%s: Cannot write to SLOTCTRL register\n", __FUNCTION__); + err("%s: Cannot write to SLOTCTRL register\n", __func__); return -1; } rc = pciehp_readw(ctrl, SLOTSTATUS, &slot_status); if (rc) { - err("%s: Cannot read SLOTSTATUS register\n", __FUNCTION__); + err("%s: Cannot read SLOTSTATUS register\n", __func__); return -1; } temp_word = 0x1F; /* Clear all events */ rc = pciehp_writew(ctrl, SLOTSTATUS, temp_word); if (rc) { - err("%s: Cannot write to SLOTSTATUS register\n", __FUNCTION__); + err("%s: Cannot write to SLOTSTATUS register\n", __func__); return -1; } return 0; @@ -1177,7 +1177,7 @@ int pcie_init_hardware_part2(struct controller *ctrl, struct pcie_device *dev) rc = pciehp_readw(ctrl, SLOTCTRL, &temp_word); if (rc) { - err("%s: Cannot read SLOTCTRL register\n", __FUNCTION__); + err("%s: Cannot read SLOTCTRL register\n", __func__); goto abort; } @@ -1185,7 +1185,7 @@ int pcie_init_hardware_part2(struct controller *ctrl, struct pcie_device *dev) rc = pciehp_readl(ctrl, SLOTCAP, &slot_cap); if (rc) { - err("%s: Cannot read SLOTCAP register\n", __FUNCTION__); + err("%s: Cannot read SLOTCAP register\n", __func__); goto abort; } @@ -1212,19 +1212,19 @@ int pcie_init_hardware_part2(struct controller *ctrl, struct pcie_device *dev) */ rc = pciehp_writew(ctrl, SLOTCTRL, temp_word); if (rc) { - err("%s: Cannot write to SLOTCTRL register\n", __FUNCTION__); + err("%s: Cannot write to SLOTCTRL register\n", __func__); goto abort; } rc = pciehp_readw(ctrl, SLOTSTATUS, &slot_status); if (rc) { - err("%s: Cannot read SLOTSTATUS register\n", __FUNCTION__); + err("%s: Cannot read SLOTSTATUS register\n", __func__); goto abort_disable_intr; } temp_word = 0x1F; /* Clear all events */ rc = pciehp_writew(ctrl, SLOTSTATUS, temp_word); if (rc) { - err("%s: Cannot write to SLOTSTATUS register\n", __FUNCTION__); + err("%s: Cannot write to SLOTSTATUS register\n", __func__); goto abort_disable_intr; } @@ -1247,7 +1247,7 @@ abort_disable_intr: rc = pciehp_writew(ctrl, SLOTCTRL, temp_word); } if (rc) - err("%s : disabling interrupts failed\n", __FUNCTION__); + err("%s : disabling interrupts failed\n", __func__); abort: return -1; } @@ -1265,62 +1265,62 @@ int pcie_init(struct controller *ctrl, struct pcie_device *dev) ctrl->pci_dev = pdev; /* save pci_dev in context */ dbg("%s: hotplug controller vendor id 0x%x device id 0x%x\n", - __FUNCTION__, pdev->vendor, pdev->device); + __func__, pdev->vendor, pdev->device); cap_base = pci_find_capability(pdev, PCI_CAP_ID_EXP); if (cap_base == 0) { - dbg("%s: Can't find PCI_CAP_ID_EXP (0x10)\n", __FUNCTION__); + dbg("%s: Can't find PCI_CAP_ID_EXP (0x10)\n", __func__); goto abort; } ctrl->cap_base = cap_base; - dbg("%s: pcie_cap_base %x\n", __FUNCTION__, cap_base); + dbg("%s: pcie_cap_base %x\n", __func__, cap_base); rc = pciehp_readw(ctrl, CAPREG, &cap_reg); if (rc) { - err("%s: Cannot read CAPREG register\n", __FUNCTION__); + err("%s: Cannot read CAPREG register\n", __func__); goto abort; } dbg("%s: CAPREG offset %x cap_reg %x\n", - __FUNCTION__, ctrl->cap_base + CAPREG, cap_reg); + __func__, ctrl->cap_base + CAPREG, cap_reg); if (((cap_reg & SLOT_IMPL) == 0) || (((cap_reg & DEV_PORT_TYPE) != 0x0040) && ((cap_reg & DEV_PORT_TYPE) != 0x0060))) { dbg("%s : This is not a root port or the port is not " - "connected to a slot\n", __FUNCTION__); + "connected to a slot\n", __func__); goto abort; } rc = pciehp_readl(ctrl, SLOTCAP, &slot_cap); if (rc) { - err("%s: Cannot read SLOTCAP register\n", __FUNCTION__); + err("%s: Cannot read SLOTCAP register\n", __func__); goto abort; } dbg("%s: SLOTCAP offset %x slot_cap %x\n", - __FUNCTION__, ctrl->cap_base + SLOTCAP, slot_cap); + __func__, ctrl->cap_base + SLOTCAP, slot_cap); if (!(slot_cap & HP_CAP)) { - dbg("%s : This slot is not hot-plug capable\n", __FUNCTION__); + dbg("%s : This slot is not hot-plug capable\n", __func__); goto abort; } /* For debugging purpose */ rc = pciehp_readw(ctrl, SLOTSTATUS, &slot_status); if (rc) { - err("%s: Cannot read SLOTSTATUS register\n", __FUNCTION__); + err("%s: Cannot read SLOTSTATUS register\n", __func__); goto abort; } dbg("%s: SLOTSTATUS offset %x slot_status %x\n", - __FUNCTION__, ctrl->cap_base + SLOTSTATUS, slot_status); + __func__, ctrl->cap_base + SLOTSTATUS, slot_status); rc = pciehp_readw(ctrl, SLOTCTRL, &slot_ctrl); if (rc) { - err("%s: Cannot read SLOTCTRL register\n", __FUNCTION__); + err("%s: Cannot read SLOTCTRL register\n", __func__); goto abort; } dbg("%s: SLOTCTRL offset %x slot_ctrl %x\n", - __FUNCTION__, ctrl->cap_base + SLOTCTRL, slot_ctrl); + __func__, ctrl->cap_base + SLOTCTRL, slot_ctrl); for (rc = 0; rc < DEVICE_COUNT_RESOURCE; rc++) if (pci_resource_len(pdev, rc) > 0) @@ -1358,7 +1358,7 @@ int pcie_init(struct controller *ctrl, struct pcie_device *dev) rc = request_irq(ctrl->pci_dev->irq, pcie_isr, IRQF_SHARED, MY_NAME, (void *)ctrl); dbg("%s: request_irq %d for hpc%d (returns %d)\n", - __FUNCTION__, ctrl->pci_dev->irq, + __func__, ctrl->pci_dev->irq, atomic_read(&pciehp_num_controllers), rc); if (rc) { err("Can't get irq %d for the hotplug controller\n", diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c index 9372a840b63d..6040dcceb256 100644 --- a/drivers/pci/hotplug/pciehp_pci.c +++ b/drivers/pci/hotplug/pciehp_pci.c @@ -40,7 +40,7 @@ static void program_hpp_type0(struct pci_dev *dev, struct hpp_type0 *hpp) if (hpp->revision > 1) { printk(KERN_WARNING "%s: Rev.%d type0 record not supported\n", - __FUNCTION__, hpp->revision); + __func__, hpp->revision); return; } @@ -82,7 +82,7 @@ static void program_hpp_type2(struct pci_dev *dev, struct hpp_type2 *hpp) if (hpp->revision > 1) { printk(KERN_WARNING "%s: Rev.%d type2 record not supported\n", - __FUNCTION__, hpp->revision); + __func__, hpp->revision); return; } @@ -150,7 +150,7 @@ static void program_fw_provided_values(struct pci_dev *dev) if (pciehp_get_hp_params_from_firmware(dev, &hpp)) { printk(KERN_WARNING "%s: Could not get hotplug parameters\n", - __FUNCTION__); + __func__); return; } @@ -245,7 +245,7 @@ int pciehp_unconfigure_device(struct slot *p_slot) struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate; u16 command; - dbg("%s: bus/dev = %x/%x\n", __FUNCTION__, p_slot->bus, + dbg("%s: bus/dev = %x/%x\n", __func__, p_slot->bus, p_slot->device); ret = p_slot->hpc_ops->get_adapter_status(p_slot, &presence); if (ret) diff --git a/drivers/pci/hotplug/pcihp_skeleton.c b/drivers/pci/hotplug/pcihp_skeleton.c index 50bcd3fe61da..e3dd6cf9e89f 100644 --- a/drivers/pci/hotplug/pcihp_skeleton.c +++ b/drivers/pci/hotplug/pcihp_skeleton.c @@ -98,7 +98,7 @@ static int enable_slot(struct hotplug_slot *hotplug_slot) struct slot *slot = hotplug_slot->private; int retval = 0; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); /* * Fill in code here to enable the specified slot @@ -112,7 +112,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot) struct slot *slot = hotplug_slot->private; int retval = 0; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); /* * Fill in code here to disable the specified slot @@ -126,7 +126,7 @@ static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status) struct slot *slot = hotplug_slot->private; int retval = 0; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); switch (status) { case 0: @@ -151,7 +151,7 @@ static int hardware_test(struct hotplug_slot *hotplug_slot, u32 value) struct slot *slot = hotplug_slot->private; int retval = 0; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); switch (value) { case 0: @@ -170,7 +170,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = hotplug_slot->private; int retval = 0; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); /* * Fill in logic to get the current power status of the specific @@ -185,7 +185,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = hotplug_slot->private; int retval = 0; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); /* * Fill in logic to get the current attention status of the specific @@ -200,7 +200,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = hotplug_slot->private; int retval = 0; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); /* * Fill in logic to get the current latch status of the specific @@ -215,7 +215,7 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = hotplug_slot->private; int retval = 0; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); /* * Fill in logic to get the current adapter status of the specific @@ -229,7 +229,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot) { struct slot *slot = hotplug_slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); kfree(slot->hotplug_slot->info); kfree(slot->hotplug_slot); kfree(slot); diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c index 191954bc8e5b..9c2a22fed18b 100644 --- a/drivers/pci/hotplug/rpadlpar_core.c +++ b/drivers/pci/hotplug/rpadlpar_core.c @@ -147,7 +147,7 @@ static void dlpar_pci_add_bus(struct device_node *dn) dev = of_create_pci_dev(dn, phb->bus, pdn->devfn); if (!dev) { printk(KERN_ERR "%s: failed to create pci dev for %s\n", - __FUNCTION__, dn->full_name); + __func__, dn->full_name); return; } @@ -183,21 +183,21 @@ static int dlpar_add_pci_slot(char *drc_name, struct device_node *dn) dev = dlpar_find_new_dev(phb->bus, dn); if (!dev) { - printk(KERN_ERR "%s: unable to add bus %s\n", __FUNCTION__, + printk(KERN_ERR "%s: unable to add bus %s\n", __func__, drc_name); return -EIO; } if (dev->hdr_type != PCI_HEADER_TYPE_BRIDGE) { printk(KERN_ERR "%s: unexpected header type %d, unable to add bus %s\n", - __FUNCTION__, dev->hdr_type, drc_name); + __func__, dev->hdr_type, drc_name); return -EIO; } /* Add hotplug slot */ if (rpaphp_add_slot(dn)) { printk(KERN_ERR "%s: unable to add hotplug slot %s\n", - __FUNCTION__, drc_name); + __func__, drc_name); return -EIO; } return 0; @@ -239,7 +239,7 @@ static int dlpar_remove_phb(char *drc_name, struct device_node *dn) if (rpaphp_deregister_slot(slot)) { printk(KERN_ERR "%s: unable to remove hotplug slot %s\n", - __FUNCTION__, drc_name); + __func__, drc_name); return -EIO; } } @@ -270,7 +270,7 @@ static int dlpar_add_phb(char *drc_name, struct device_node *dn) if (rpaphp_add_slot(dn)) { printk(KERN_ERR "%s: unable to add hotplug slot %s\n", - __FUNCTION__, drc_name); + __func__, drc_name); return -EIO; } return 0; @@ -284,7 +284,7 @@ static int dlpar_add_vio_slot(char *drc_name, struct device_node *dn) if (!vio_register_device_node(dn)) { printk(KERN_ERR "%s: failed to register vio node %s\n", - __FUNCTION__, drc_name); + __func__, drc_name); return -EIO; } return 0; @@ -384,7 +384,7 @@ int dlpar_remove_pci_slot(char *drc_name, struct device_node *dn) if (rpaphp_deregister_slot(slot)) { printk(KERN_ERR "%s: unable to remove hotplug slot %s\n", - __FUNCTION__, drc_name); + __func__, drc_name); return -EIO; } } else @@ -392,7 +392,7 @@ int dlpar_remove_pci_slot(char *drc_name, struct device_node *dn) if (pcibios_unmap_io_space(bus)) { printk(KERN_ERR "%s: failed to unmap bus range\n", - __FUNCTION__); + __func__); return -ERANGE; } @@ -458,7 +458,7 @@ int __init rpadlpar_io_init(void) if (!is_dlpar_capable()) { printk(KERN_WARNING "%s: partition not DLPAR capable\n", - __FUNCTION__); + __func__); return -EPERM; } diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c index 58f1a9927709..1f84f402acdb 100644 --- a/drivers/pci/hotplug/rpaphp_core.c +++ b/drivers/pci/hotplug/rpaphp_core.c @@ -317,7 +317,7 @@ int rpaphp_add_slot(struct device_node *dn) if (!is_php_dn(dn, &indexes, &names, &types, &power_domains)) return 0; - dbg("Entry %s: dn->full_name=%s\n", __FUNCTION__, dn->full_name); + dbg("Entry %s: dn->full_name=%s\n", __func__, dn->full_name); /* register PCI devices */ name = (char *) &names[1]; @@ -343,7 +343,7 @@ int rpaphp_add_slot(struct device_node *dn) name += strlen(name) + 1; type += strlen(type) + 1; } - dbg("%s - Exit: rc[%d]\n", __FUNCTION__, retval); + dbg("%s - Exit: rc[%d]\n", __func__, retval); /* XXX FIXME: reports a failure only if last entry in loop failed */ return retval; @@ -404,7 +404,7 @@ static int enable_slot(struct hotplug_slot *hotplug_slot) } else if (state == EMPTY) { slot->state = EMPTY; } else { - err("%s: slot[%s] is in invalid state\n", __FUNCTION__, slot->name); + err("%s: slot[%s] is in invalid state\n", __func__, slot->name); slot->state = NOT_VALID; return -EINVAL; } diff --git a/drivers/pci/hotplug/rpaphp_pci.c b/drivers/pci/hotplug/rpaphp_pci.c index 6571e9b4c2ec..5acfd4f3d4cb 100644 --- a/drivers/pci/hotplug/rpaphp_pci.c +++ b/drivers/pci/hotplug/rpaphp_pci.c @@ -42,7 +42,7 @@ int rpaphp_get_sensor_state(struct slot *slot, int *state) if (rc < 0) { if (rc == -EFAULT || rc == -EEXIST) { dbg("%s: slot must be power up to get sensor-state\n", - __FUNCTION__); + __func__); /* some slots have to be powered up * before get-sensor will succeed. @@ -51,15 +51,15 @@ int rpaphp_get_sensor_state(struct slot *slot, int *state) &setlevel); if (rc < 0) { dbg("%s: power on slot[%s] failed rc=%d.\n", - __FUNCTION__, slot->name, rc); + __func__, slot->name, rc); } else { rc = rtas_get_sensor(DR_ENTITY_SENSE, slot->index, state); } } else if (rc == -ENODEV) - info("%s: slot is unusable\n", __FUNCTION__); + info("%s: slot is unusable\n", __func__); else - err("%s failed to get sensor state\n", __FUNCTION__); + err("%s failed to get sensor state\n", __func__); } return rc; } @@ -95,7 +95,7 @@ int rpaphp_enable_slot(struct slot *slot) bus = pcibios_find_pci_bus(slot->dn); if (!bus) { - err("%s: no pci_bus for dn %s\n", __FUNCTION__, slot->dn->full_name); + err("%s: no pci_bus for dn %s\n", __func__, slot->dn->full_name); return -EINVAL; } @@ -111,7 +111,7 @@ int rpaphp_enable_slot(struct slot *slot) /* non-empty slot has to have child */ if (!slot->dn->child) { err("%s: slot[%s]'s device_node doesn't have child for adapter\n", - __FUNCTION__, slot->name); + __func__, slot->name); return -EINVAL; } @@ -125,7 +125,7 @@ int rpaphp_enable_slot(struct slot *slot) if (debug) { struct pci_dev *dev; - dbg("%s: pci_devs of slot[%s]\n", __FUNCTION__, slot->dn->full_name); + dbg("%s: pci_devs of slot[%s]\n", __func__, slot->dn->full_name); list_for_each_entry (dev, &bus->devices, bus_list) dbg("\t%s\n", pci_name(dev)); } diff --git a/drivers/pci/hotplug/rpaphp_slot.c b/drivers/pci/hotplug/rpaphp_slot.c index 8ad3debb3794..56197b600d36 100644 --- a/drivers/pci/hotplug/rpaphp_slot.c +++ b/drivers/pci/hotplug/rpaphp_slot.c @@ -131,7 +131,7 @@ int rpaphp_deregister_slot(struct slot *slot) struct hotplug_slot *php_slot = slot->hotplug_slot; dbg("%s - Entry: deregistering slot=%s\n", - __FUNCTION__, slot->name); + __func__, slot->name); list_del(&slot->rpaphp_slot_list); @@ -142,7 +142,7 @@ int rpaphp_deregister_slot(struct slot *slot) if (retval) err("Problem unregistering a slot %s\n", slot->name); - dbg("%s - Exit: rc[%d]\n", __FUNCTION__, retval); + dbg("%s - Exit: rc[%d]\n", __func__, retval); return retval; } EXPORT_SYMBOL_GPL(rpaphp_deregister_slot); @@ -153,7 +153,7 @@ int rpaphp_register_slot(struct slot *slot) int retval; dbg("%s registering slot:path[%s] index[%x], name[%s] pdomain[%x] type[%d]\n", - __FUNCTION__, slot->dn->full_name, slot->index, slot->name, + __func__, slot->dn->full_name, slot->index, slot->name, slot->power_domain, slot->type); /* should not try to register the same slot twice */ diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c index ef07c36bccf7..2fe37cd85b69 100644 --- a/drivers/pci/hotplug/sgi_hotplug.c +++ b/drivers/pci/hotplug/sgi_hotplug.c @@ -367,7 +367,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) ret = acpi_load_table((struct acpi_table_header *)ssdt); if (ACPI_FAILURE(ret)) { printk(KERN_ERR "%s: acpi_load_table failed (0x%x)\n", - __FUNCTION__, ret); + __func__, ret); /* try to continue on */ } } @@ -459,7 +459,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) if (ACPI_FAILURE(ret)) { printk(KERN_ERR "%s: acpi_bus_add " "failed (0x%x) for slot %d " - "func %d\n", __FUNCTION__, + "func %d\n", __func__, ret, (int)(adr>>16), (int)(adr&0xffff)); /* try to continue on */ @@ -570,7 +570,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot) if (ACPI_FAILURE(ret)) { printk(KERN_ERR "%s: acpi_unload_table_id " "failed (0x%x) for id %d\n", - __FUNCTION__, ret, ssdt_id); + __func__, ret, ssdt_id); /* try to continue on */ } } @@ -689,7 +689,7 @@ static int sn_pci_hotplug_init(void) if (!sn_prom_feature_available(PRF_HOTPLUG_SUPPORT)) { printk(KERN_ERR "%s: PROM version does not support hotplug.\n", - __FUNCTION__); + __func__); return -EPERM; } diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h index 37ed0884b972..f66e8d6315ab 100644 --- a/drivers/pci/hotplug/shpchp.h +++ b/drivers/pci/hotplug/shpchp.h @@ -234,7 +234,7 @@ static inline struct slot *shpchp_find_slot(struct controller *ctrl, u8 device) return slot; } - err("%s: slot (device=0x%x) not found\n", __FUNCTION__, device); + err("%s: slot (device=0x%x) not found\n", __func__, device); return NULL; } @@ -268,7 +268,7 @@ static inline void amd_pogo_errata_restore_misc_reg(struct slot *p_slot) pci_read_config_dword(p_slot->ctrl->pci_dev, PCIX_MISC_BRIDGE_ERRORS_OFFSET, &pcix_bridge_errors_reg); perr_set = pcix_bridge_errors_reg & PERR_OBSERVED_MASK; if (perr_set) { - dbg ("%s W1C: Bridge_Errors[ PERR_OBSERVED = %08X]\n",__FUNCTION__ , perr_set); + dbg ("%s W1C: Bridge_Errors[ PERR_OBSERVED = %08X]\n",__func__ , perr_set); pci_write_config_dword(p_slot->ctrl->pci_dev, PCIX_MISC_BRIDGE_ERRORS_OFFSET, perr_set); } @@ -277,7 +277,7 @@ static inline void amd_pogo_errata_restore_misc_reg(struct slot *p_slot) pci_read_config_dword(p_slot->ctrl->pci_dev, PCIX_MEM_BASE_LIMIT_OFFSET, &pcix_mem_base_reg); rse_set = pcix_mem_base_reg & RSE_MASK; if (rse_set) { - dbg ("%s W1C: Memory_Base_Limit[ RSE ]\n",__FUNCTION__ ); + dbg ("%s W1C: Memory_Base_Limit[ RSE ]\n",__func__ ); pci_write_config_dword(p_slot->ctrl->pci_dev, PCIX_MEM_BASE_LIMIT_OFFSET, rse_set); } diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c index 80dec9796b31..43816d4b3c43 100644 --- a/drivers/pci/hotplug/shpchp_core.c +++ b/drivers/pci/hotplug/shpchp_core.c @@ -91,7 +91,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot) { struct slot *slot = hotplug_slot->private; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); kfree(slot->hotplug_slot->info); kfree(slot->hotplug_slot); @@ -195,7 +195,7 @@ static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status) { struct slot *slot = get_slot(hotplug_slot); - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); hotplug_slot->info->attention_status = status; slot->hpc_ops->set_attention_status(slot, status); @@ -207,7 +207,7 @@ static int enable_slot (struct hotplug_slot *hotplug_slot) { struct slot *slot = get_slot(hotplug_slot); - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); return shpchp_sysfs_enable_slot(slot); } @@ -216,7 +216,7 @@ static int disable_slot (struct hotplug_slot *hotplug_slot) { struct slot *slot = get_slot(hotplug_slot); - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); return shpchp_sysfs_disable_slot(slot); } @@ -226,7 +226,7 @@ static int get_power_status (struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = get_slot(hotplug_slot); int retval; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); retval = slot->hpc_ops->get_power_status(slot, value); if (retval < 0) @@ -240,7 +240,7 @@ static int get_attention_status (struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = get_slot(hotplug_slot); int retval; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); retval = slot->hpc_ops->get_attention_status(slot, value); if (retval < 0) @@ -254,7 +254,7 @@ static int get_latch_status (struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = get_slot(hotplug_slot); int retval; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); retval = slot->hpc_ops->get_latch_status(slot, value); if (retval < 0) @@ -268,7 +268,7 @@ static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value) struct slot *slot = get_slot(hotplug_slot); int retval; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); retval = slot->hpc_ops->get_adapter_status(slot, value); if (retval < 0) @@ -282,7 +282,7 @@ static int get_address (struct hotplug_slot *hotplug_slot, u32 *value) struct slot *slot = get_slot(hotplug_slot); struct pci_bus *bus = slot->ctrl->pci_dev->subordinate; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); *value = (pci_domain_nr(bus) << 16) | (slot->bus << 8) | slot->device; @@ -294,7 +294,7 @@ static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp struct slot *slot = get_slot(hotplug_slot); int retval; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); retval = slot->hpc_ops->get_max_bus_speed(slot, value); if (retval < 0) @@ -308,7 +308,7 @@ static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp struct slot *slot = get_slot(hotplug_slot); int retval; - dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); + dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name); retval = slot->hpc_ops->get_cur_bus_speed(slot, value); if (retval < 0) @@ -338,7 +338,7 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); if (!ctrl) { - err("%s : out of memory\n", __FUNCTION__); + err("%s : out of memory\n", __func__); goto err_out_none; } INIT_LIST_HEAD(&ctrl->slot_list); @@ -402,7 +402,7 @@ static int __init shpcd_init(void) int retval = 0; retval = pci_register_driver(&shpc_driver); - dbg("%s: pci_register_driver = %d\n", __FUNCTION__, retval); + dbg("%s: pci_register_driver = %d\n", __func__, retval); info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); return retval; } diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c index eb5cac6f08ae..dfb53932dfbc 100644 --- a/drivers/pci/hotplug/shpchp_ctrl.c +++ b/drivers/pci/hotplug/shpchp_ctrl.c @@ -91,7 +91,7 @@ u8 shpchp_handle_switch_change(u8 hp_slot, struct controller *ctrl) p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save)); p_slot->hpc_ops->get_latch_status(p_slot, &getstatus); - dbg("%s: Card present %x Power status %x\n", __FUNCTION__, + dbg("%s: Card present %x Power status %x\n", __func__, p_slot->presence_save, p_slot->pwr_save); if (getstatus) { @@ -191,10 +191,10 @@ static int change_bus_speed(struct controller *ctrl, struct slot *p_slot, { int rc = 0; - dbg("%s: change to speed %d\n", __FUNCTION__, speed); + dbg("%s: change to speed %d\n", __func__, speed); if ((rc = p_slot->hpc_ops->set_bus_speed_mode(p_slot, speed))) { err("%s: Issue of set bus speed mode command failed\n", - __FUNCTION__); + __func__); return WRONG_BUS_FREQUENCY; } return rc; @@ -213,7 +213,7 @@ static int fix_bus_speed(struct controller *ctrl, struct slot *pslot, if (flag) { if (asp < bsp) { err("%s: speed of bus %x and adapter %x mismatch\n", - __FUNCTION__, bsp, asp); + __func__, bsp, asp); rc = WRONG_BUS_FREQUENCY; } return rc; @@ -247,13 +247,13 @@ static int board_added(struct slot *p_slot) hp_slot = p_slot->device - ctrl->slot_device_offset; dbg("%s: p_slot->device, slot_offset, hp_slot = %d, %d ,%d\n", - __FUNCTION__, p_slot->device, + __func__, p_slot->device, ctrl->slot_device_offset, hp_slot); /* Power on slot without connecting to bus */ rc = p_slot->hpc_ops->power_on_slot(p_slot); if (rc) { - err("%s: Failed to power on slot\n", __FUNCTION__); + err("%s: Failed to power on slot\n", __func__); return -1; } @@ -262,13 +262,13 @@ static int board_added(struct slot *p_slot) return WRONG_BUS_FREQUENCY; if ((rc = p_slot->hpc_ops->set_bus_speed_mode(p_slot, PCI_SPEED_33MHz))) { - err("%s: Issue of set bus speed mode command failed\n", __FUNCTION__); + err("%s: Issue of set bus speed mode command failed\n", __func__); return WRONG_BUS_FREQUENCY; } /* turn on board, blink green LED, turn off Amber LED */ if ((rc = p_slot->hpc_ops->slot_enable(p_slot))) { - err("%s: Issue of Slot Enable command failed\n", __FUNCTION__); + err("%s: Issue of Slot Enable command failed\n", __func__); return rc; } } @@ -276,19 +276,19 @@ static int board_added(struct slot *p_slot) rc = p_slot->hpc_ops->get_adapter_speed(p_slot, &asp); if (rc) { err("%s: Can't get adapter speed or bus mode mismatch\n", - __FUNCTION__); + __func__); return WRONG_BUS_FREQUENCY; } rc = p_slot->hpc_ops->get_cur_bus_speed(p_slot, &bsp); if (rc) { - err("%s: Can't get bus operation speed\n", __FUNCTION__); + err("%s: Can't get bus operation speed\n", __func__); return WRONG_BUS_FREQUENCY; } rc = p_slot->hpc_ops->get_max_bus_speed(p_slot, &msp); if (rc) { - err("%s: Can't get max bus operation speed\n", __FUNCTION__); + err("%s: Can't get max bus operation speed\n", __func__); msp = bsp; } @@ -297,7 +297,7 @@ static int board_added(struct slot *p_slot) slots_not_empty = 1; dbg("%s: slots_not_empty %d, adapter_speed %d, bus_speed %d, " - "max_bus_speed %d\n", __FUNCTION__, slots_not_empty, asp, + "max_bus_speed %d\n", __func__, slots_not_empty, asp, bsp, msp); rc = fix_bus_speed(ctrl, p_slot, slots_not_empty, asp, bsp, msp); @@ -306,18 +306,18 @@ static int board_added(struct slot *p_slot) /* turn on board, blink green LED, turn off Amber LED */ if ((rc = p_slot->hpc_ops->slot_enable(p_slot))) { - err("%s: Issue of Slot Enable command failed\n", __FUNCTION__); + err("%s: Issue of Slot Enable command failed\n", __func__); return rc; } /* Wait for ~1 second */ msleep(1000); - dbg("%s: slot status = %x\n", __FUNCTION__, p_slot->status); + dbg("%s: slot status = %x\n", __func__, p_slot->status); /* Check for a power fault */ if (p_slot->status == 0xFF) { /* power fault occurred, but it was benign */ - dbg("%s: power fault\n", __FUNCTION__); + dbg("%s: power fault\n", __func__); rc = POWER_FAILURE; p_slot->status = 0; goto err_exit; @@ -341,7 +341,7 @@ err_exit: /* turn off slot, turn on Amber LED, turn off Green LED */ rc = p_slot->hpc_ops->slot_disable(p_slot); if (rc) { - err("%s: Issue of Slot Disable command failed\n", __FUNCTION__); + err("%s: Issue of Slot Disable command failed\n", __func__); return rc; } @@ -365,7 +365,7 @@ static int remove_board(struct slot *p_slot) hp_slot = p_slot->device - ctrl->slot_device_offset; p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); - dbg("In %s, hp_slot = %d\n", __FUNCTION__, hp_slot); + dbg("In %s, hp_slot = %d\n", __func__, hp_slot); /* Change status to shutdown */ if (p_slot->is_a_board) @@ -374,13 +374,13 @@ static int remove_board(struct slot *p_slot) /* turn off slot, turn on Amber LED, turn off Green LED */ rc = p_slot->hpc_ops->slot_disable(p_slot); if (rc) { - err("%s: Issue of Slot Disable command failed\n", __FUNCTION__); + err("%s: Issue of Slot Disable command failed\n", __func__); return rc; } rc = p_slot->hpc_ops->set_attention_status(p_slot, 0); if (rc) { - err("%s: Issue of Set Attention command failed\n", __FUNCTION__); + err("%s: Issue of Set Attention command failed\n", __func__); return rc; } @@ -439,7 +439,7 @@ void shpchp_queue_pushbutton_work(struct work_struct *work) info = kmalloc(sizeof(*info), GFP_KERNEL); if (!info) { - err("%s: Cannot allocate memory\n", __FUNCTION__); + err("%s: Cannot allocate memory\n", __func__); return; } info->p_slot = p_slot; @@ -513,7 +513,7 @@ static void handle_button_press_event(struct slot *p_slot) * expires to cancel hot-add or hot-remove */ info("Button cancel on Slot(%s)\n", p_slot->name); - dbg("%s: button cancel\n", __FUNCTION__); + dbg("%s: button cancel\n", __func__); cancel_delayed_work(&p_slot->work); if (p_slot->state == BLINKINGOFF_STATE) p_slot->hpc_ops->green_led_on(p_slot); @@ -551,7 +551,7 @@ static void interrupt_event_handler(struct work_struct *work) handle_button_press_event(p_slot); break; case INT_POWER_FAULT: - dbg("%s: power fault\n", __FUNCTION__); + dbg("%s: power fault\n", __func__); p_slot->hpc_ops->set_attention_status(p_slot, 1); p_slot->hpc_ops->green_led_off(p_slot); break; @@ -593,7 +593,7 @@ static int shpchp_enable_slot (struct slot *p_slot) /* We have to save the presence info for these slots */ p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save)); p_slot->hpc_ops->get_power_status(p_slot, &(p_slot->pwr_save)); - dbg("%s: p_slot->pwr_save %x\n", __FUNCTION__, p_slot->pwr_save); + dbg("%s: p_slot->pwr_save %x\n", __func__, p_slot->pwr_save); p_slot->hpc_ops->get_latch_status(p_slot, &getstatus); if(((p_slot->ctrl->pci_dev->vendor == PCI_VENDOR_ID_AMD) || diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c index e8aa138128ce..7d770b2cd889 100644 --- a/drivers/pci/hotplug/shpchp_hpc.c +++ b/drivers/pci/hotplug/shpchp_hpc.c @@ -321,14 +321,14 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd) if (!shpc_poll_ctrl_busy(ctrl)) { /* After 1 sec and and the controller is still busy */ err("%s : Controller is still busy after 1 sec.\n", - __FUNCTION__); + __func__); retval = -EBUSY; goto out; } ++t_slot; temp_word = (t_slot << 8) | (cmd & 0xFF); - dbg("%s: t_slot %x cmd %x\n", __FUNCTION__, t_slot, cmd); + dbg("%s: t_slot %x cmd %x\n", __func__, t_slot, cmd); /* To make sure the Controller Busy bit is 0 before we send out the * command. @@ -345,7 +345,7 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd) cmd_status = hpc_check_cmd_status(slot->ctrl); if (cmd_status) { err("%s: Failed to issued command 0x%x (error code = %d)\n", - __FUNCTION__, cmd, cmd_status); + __func__, cmd, cmd_status); retval = -EIO; } out: @@ -364,15 +364,15 @@ static int hpc_check_cmd_status(struct controller *ctrl) break; case 1: retval = SWITCH_OPEN; - err("%s: Switch opened!\n", __FUNCTION__); + err("%s: Switch opened!\n", __func__); break; case 2: retval = INVALID_CMD; - err("%s: Invalid HPC command!\n", __FUNCTION__); + err("%s: Invalid HPC command!\n", __func__); break; case 4: retval = INVALID_SPEED_MODE; - err("%s: Invalid bus speed/mode!\n", __FUNCTION__); + err("%s: Invalid bus speed/mode!\n", __func__); break; default: retval = cmd_status; @@ -484,7 +484,7 @@ static int hpc_get_adapter_speed(struct slot *slot, enum pci_bus_speed *value) } dbg("%s: slot_reg = %x, pcix_cap = %x, m66_cap = %x\n", - __FUNCTION__, slot_reg, pcix_cap, m66_cap); + __func__, slot_reg, pcix_cap, m66_cap); switch (pcix_cap) { case 0x0: @@ -629,7 +629,7 @@ static int hpc_power_on_slot(struct slot * slot) retval = shpc_write_cmd(slot, slot->hp_slot, SET_SLOT_PWR); if (retval) - err("%s: Write command failed!\n", __FUNCTION__); + err("%s: Write command failed!\n", __func__); return retval; } @@ -642,7 +642,7 @@ static int hpc_slot_enable(struct slot * slot) retval = shpc_write_cmd(slot, slot->hp_slot, SET_SLOT_ENABLE | SET_PWR_BLINK | SET_ATTN_OFF); if (retval) - err("%s: Write command failed!\n", __FUNCTION__); + err("%s: Write command failed!\n", __func__); return retval; } @@ -655,7 +655,7 @@ static int hpc_slot_disable(struct slot * slot) retval = shpc_write_cmd(slot, slot->hp_slot, SET_SLOT_DISABLE | SET_PWR_OFF | SET_ATTN_ON); if (retval) - err("%s: Write command failed!\n", __FUNCTION__); + err("%s: Write command failed!\n", __func__); return retval; } @@ -719,7 +719,7 @@ static int hpc_set_bus_speed_mode(struct slot * slot, enum pci_bus_speed value) retval = shpc_write_cmd(slot, 0, cmd); if (retval) - err("%s: Write command failed!\n", __FUNCTION__); + err("%s: Write command failed!\n", __func__); return retval; } @@ -735,7 +735,7 @@ static irqreturn_t shpc_isr(int irq, void *dev_id) if (!intr_loc) return IRQ_NONE; - dbg("%s: intr_loc = %x\n",__FUNCTION__, intr_loc); + dbg("%s: intr_loc = %x\n",__func__, intr_loc); if(!shpchp_poll_mode) { /* @@ -748,7 +748,7 @@ static irqreturn_t shpc_isr(int irq, void *dev_id) shpc_writel(ctrl, SERR_INTR_ENABLE, serr_int); intr_loc2 = shpc_readl(ctrl, INTR_LOC); - dbg("%s: intr_loc2 = %x\n",__FUNCTION__, intr_loc2); + dbg("%s: intr_loc2 = %x\n",__func__, intr_loc2); } if (intr_loc & CMD_INTR_PENDING) { @@ -774,7 +774,7 @@ static irqreturn_t shpc_isr(int irq, void *dev_id) slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot)); dbg("%s: Slot %x with intr, slot register = %x\n", - __FUNCTION__, hp_slot, slot_reg); + __func__, hp_slot, slot_reg); if (slot_reg & MRL_CHANGE_DETECTED) shpchp_handle_switch_change(hp_slot, ctrl); @@ -958,33 +958,33 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) } else { ctrl->cap_offset = pci_find_capability(pdev, PCI_CAP_ID_SHPC); if (!ctrl->cap_offset) { - err("%s : cap_offset == 0\n", __FUNCTION__); + err("%s : cap_offset == 0\n", __func__); goto abort; } - dbg("%s: cap_offset = %x\n", __FUNCTION__, ctrl->cap_offset); + dbg("%s: cap_offset = %x\n", __func__, ctrl->cap_offset); rc = shpc_indirect_read(ctrl, 0, &shpc_base_offset); if (rc) { - err("%s: cannot read base_offset\n", __FUNCTION__); + err("%s: cannot read base_offset\n", __func__); goto abort; } rc = shpc_indirect_read(ctrl, 3, &tempdword); if (rc) { - err("%s: cannot read slot config\n", __FUNCTION__); + err("%s: cannot read slot config\n", __func__); goto abort; } num_slots = tempdword & SLOT_NUM; - dbg("%s: num_slots (indirect) %x\n", __FUNCTION__, num_slots); + dbg("%s: num_slots (indirect) %x\n", __func__, num_slots); for (i = 0; i < 9 + num_slots; i++) { rc = shpc_indirect_read(ctrl, i, &tempdword); if (rc) { err("%s: cannot read creg (index = %d)\n", - __FUNCTION__, i); + __func__, i); goto abort; } - dbg("%s: offset %d: value %x\n", __FUNCTION__,i, + dbg("%s: offset %d: value %x\n", __func__,i, tempdword); } @@ -998,25 +998,25 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) rc = pci_enable_device(pdev); if (rc) { - err("%s: pci_enable_device failed\n", __FUNCTION__); + err("%s: pci_enable_device failed\n", __func__); goto abort; } if (!request_mem_region(ctrl->mmio_base, ctrl->mmio_size, MY_NAME)) { - err("%s: cannot reserve MMIO region\n", __FUNCTION__); + err("%s: cannot reserve MMIO region\n", __func__); rc = -1; goto abort; } ctrl->creg = ioremap(ctrl->mmio_base, ctrl->mmio_size); if (!ctrl->creg) { - err("%s: cannot remap MMIO region %lx @ %lx\n", __FUNCTION__, + err("%s: cannot remap MMIO region %lx @ %lx\n", __func__, ctrl->mmio_size, ctrl->mmio_base); release_mem_region(ctrl->mmio_base, ctrl->mmio_size); rc = -1; goto abort; } - dbg("%s: ctrl->creg %p\n", __FUNCTION__, ctrl->creg); + dbg("%s: ctrl->creg %p\n", __func__, ctrl->creg); mutex_init(&ctrl->crit_sect); mutex_init(&ctrl->cmd_lock); @@ -1035,20 +1035,20 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) /* Mask Global Interrupt Mask & Command Complete Interrupt Mask */ tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE); - dbg("%s: SERR_INTR_ENABLE = %x\n", __FUNCTION__, tempdword); + dbg("%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword); tempdword |= (GLOBAL_INTR_MASK | GLOBAL_SERR_MASK | COMMAND_INTR_MASK | ARBITER_SERR_MASK); tempdword &= ~SERR_INTR_RSVDZ_MASK; shpc_writel(ctrl, SERR_INTR_ENABLE, tempdword); tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE); - dbg("%s: SERR_INTR_ENABLE = %x\n", __FUNCTION__, tempdword); + dbg("%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword); /* Mask the MRL sensor SERR Mask of individual slot in * Slot SERR-INT Mask & clear all the existing event if any */ for (hp_slot = 0; hp_slot < ctrl->num_slots; hp_slot++) { slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot)); - dbg("%s: Default Logical Slot Register %d value %x\n", __FUNCTION__, + dbg("%s: Default Logical Slot Register %d value %x\n", __func__, hp_slot, slot_reg); slot_reg |= (PRSNT_CHANGE_INTR_MASK | ISO_PFAULT_INTR_MASK | BUTTON_PRESS_INTR_MASK | MRL_CHANGE_INTR_MASK | @@ -1073,7 +1073,7 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) rc = request_irq(ctrl->pci_dev->irq, shpc_isr, IRQF_SHARED, MY_NAME, (void *)ctrl); dbg("%s: request_irq %d for hpc%d (returns %d)\n", - __FUNCTION__, ctrl->pci_dev->irq, + __func__, ctrl->pci_dev->irq, atomic_read(&shpchp_num_controllers), rc); if (rc) { err("Can't get irq %d for the hotplug controller\n", @@ -1081,7 +1081,7 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) goto abort_iounmap; } } - dbg("%s: HPC at b:d:f:irq=0x%x:%x:%x:%x\n", __FUNCTION__, + dbg("%s: HPC at b:d:f:irq=0x%x:%x:%x:%x\n", __func__, pdev->bus->number, PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn), pdev->irq); get_hp_hw_control_from_firmware(pdev); @@ -1103,7 +1103,7 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) */ for (hp_slot = 0; hp_slot < ctrl->num_slots; hp_slot++) { slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot)); - dbg("%s: Default Logical Slot Register %d value %x\n", __FUNCTION__, + dbg("%s: Default Logical Slot Register %d value %x\n", __func__, hp_slot, slot_reg); slot_reg &= ~(PRSNT_CHANGE_INTR_MASK | ISO_PFAULT_INTR_MASK | BUTTON_PRESS_INTR_MASK | MRL_CHANGE_INTR_MASK | @@ -1117,7 +1117,7 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) SERR_INTR_RSVDZ_MASK); shpc_writel(ctrl, SERR_INTR_ENABLE, tempdword); tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE); - dbg("%s: SERR_INTR_ENABLE = %x\n", __FUNCTION__, tempdword); + dbg("%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword); } return 0; diff --git a/drivers/pci/hotplug/shpchp_pci.c b/drivers/pci/hotplug/shpchp_pci.c index a69a21520895..3fc4ec0eea0b 100644 --- a/drivers/pci/hotplug/shpchp_pci.c +++ b/drivers/pci/hotplug/shpchp_pci.c @@ -51,7 +51,7 @@ static void program_fw_provided_values(struct pci_dev *dev) !hpp.t0 || (hpp.t0->revision > 1)) { printk(KERN_WARNING "%s: Could not get hotplug parameters. Use defaults\n", - __FUNCTION__); + __func__); hpp.t0 = &hpp.type0_data; hpp.t0->revision = 0; hpp.t0->cache_line_size = 8; @@ -169,7 +169,7 @@ int shpchp_unconfigure_device(struct slot *p_slot) u8 bctl = 0; struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate; - dbg("%s: bus/dev = %x/%x\n", __FUNCTION__, p_slot->bus, p_slot->device); + dbg("%s: bus/dev = %x/%x\n", __func__, p_slot->bus, p_slot->device); for (j=0; j<8 ; j++) { struct pci_dev* temp = pci_get_slot(parent, diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 4cb949f0ebd9..1fd8bb765702 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -22,6 +22,7 @@ #include <linux/init.h> #include <linux/bitmap.h> +#include <linux/debugfs.h> #include <linux/slab.h> #include <linux/irq.h> #include <linux/interrupt.h> @@ -31,6 +32,7 @@ #include <linux/dmar.h> #include <linux/dma-mapping.h> #include <linux/mempool.h> +#include <linux/timer.h> #include "iova.h" #include "intel-iommu.h" #include <asm/proto.h> /* force_iommu in this header in x86-64*/ @@ -51,11 +53,37 @@ #define DOMAIN_MAX_ADDR(gaw) ((((u64)1) << gaw) - 1) + +static void flush_unmaps_timeout(unsigned long data); + +DEFINE_TIMER(unmap_timer, flush_unmaps_timeout, 0, 0); + +static struct intel_iommu *g_iommus; + +#define HIGH_WATER_MARK 250 +struct deferred_flush_tables { + int next; + struct iova *iova[HIGH_WATER_MARK]; + struct dmar_domain *domain[HIGH_WATER_MARK]; +}; + +static struct deferred_flush_tables *deferred_flush; + +/* bitmap for indexing intel_iommus */ +static int g_num_of_iommus; + +static DEFINE_SPINLOCK(async_umap_flush_lock); +static LIST_HEAD(unmaps_to_do); + +static int timer_on; +static long list_size; + static void domain_remove_dev_info(struct dmar_domain *domain); static int dmar_disabled; static int __initdata dmar_map_gfx = 1; static int dmar_forcedac; +static int intel_iommu_strict; #define DUMMY_DEVICE_DOMAIN_INFO ((struct device_domain_info *)(-1)) static DEFINE_SPINLOCK(device_domain_lock); @@ -74,9 +102,13 @@ static int __init intel_iommu_setup(char *str) printk(KERN_INFO "Intel-IOMMU: disable GFX device mapping\n"); } else if (!strncmp(str, "forcedac", 8)) { - printk (KERN_INFO + printk(KERN_INFO "Intel-IOMMU: Forcing DAC for PCI devices\n"); dmar_forcedac = 1; + } else if (!strncmp(str, "strict", 6)) { + printk(KERN_INFO + "Intel-IOMMU: disable batched IOTLB flush\n"); + intel_iommu_strict = 1; } str += strcspn(str, ","); @@ -966,17 +998,13 @@ static int iommu_init_domains(struct intel_iommu *iommu) set_bit(0, iommu->domain_ids); return 0; } - -static struct intel_iommu *alloc_iommu(struct dmar_drhd_unit *drhd) +static struct intel_iommu *alloc_iommu(struct intel_iommu *iommu, + struct dmar_drhd_unit *drhd) { - struct intel_iommu *iommu; int ret; int map_size; u32 ver; - iommu = kzalloc(sizeof(*iommu), GFP_KERNEL); - if (!iommu) - return NULL; iommu->reg = ioremap(drhd->reg_base_addr, PAGE_SIZE_4K); if (!iommu->reg) { printk(KERN_ERR "IOMMU: can't map the region\n"); @@ -1404,7 +1432,7 @@ static int dmar_pci_device_match(struct pci_dev *devices[], int cnt, int index; while (dev) { - for (index = 0; index < cnt; index ++) + for (index = 0; index < cnt; index++) if (dev == devices[index]) return 1; @@ -1669,7 +1697,7 @@ int __init init_dmars(void) struct dmar_rmrr_unit *rmrr; struct pci_dev *pdev; struct intel_iommu *iommu; - int ret, unit = 0; + int i, ret, unit = 0; /* * for each drhd @@ -1680,7 +1708,34 @@ int __init init_dmars(void) for_each_drhd_unit(drhd) { if (drhd->ignored) continue; - iommu = alloc_iommu(drhd); + g_num_of_iommus++; + /* + * lock not needed as this is only incremented in the single + * threaded kernel __init code path all other access are read + * only + */ + } + + g_iommus = kzalloc(g_num_of_iommus * sizeof(*iommu), GFP_KERNEL); + if (!g_iommus) { + ret = -ENOMEM; + goto error; + } + + deferred_flush = kzalloc(g_num_of_iommus * + sizeof(struct deferred_flush_tables), GFP_KERNEL); + if (!deferred_flush) { + kfree(g_iommus); + ret = -ENOMEM; + goto error; + } + + i = 0; + for_each_drhd_unit(drhd) { + if (drhd->ignored) + continue; + iommu = alloc_iommu(&g_iommus[i], drhd); + i++; if (!iommu) { ret = -ENOMEM; goto error; @@ -1713,7 +1768,6 @@ int __init init_dmars(void) * endfor */ for_each_rmrr_units(rmrr) { - int i; for (i = 0; i < rmrr->devices_cnt; i++) { pdev = rmrr->devices[i]; /* some BIOS lists non-exist devices in DMAR table */ @@ -1769,6 +1823,7 @@ error: iommu = drhd->iommu; free_iommu(iommu); } + kfree(g_iommus); return ret; } @@ -1850,32 +1905,31 @@ get_valid_domain_for_dev(struct pci_dev *pdev) return domain; } -static dma_addr_t intel_map_single(struct device *hwdev, void *addr, - size_t size, int dir) +static dma_addr_t +intel_map_single(struct device *hwdev, phys_addr_t paddr, size_t size, int dir) { struct pci_dev *pdev = to_pci_dev(hwdev); - int ret; struct dmar_domain *domain; - unsigned long start_addr; + unsigned long start_paddr; struct iova *iova; int prot = 0; + int ret; BUG_ON(dir == DMA_NONE); if (pdev->dev.archdata.iommu == DUMMY_DEVICE_DOMAIN_INFO) - return virt_to_bus(addr); + return paddr; domain = get_valid_domain_for_dev(pdev); if (!domain) return 0; - addr = (void *)virt_to_phys(addr); - size = aligned_size((u64)addr, size); + size = aligned_size((u64)paddr, size); iova = __intel_alloc_iova(hwdev, domain, size); if (!iova) goto error; - start_addr = iova->pfn_lo << PAGE_SHIFT_4K; + start_paddr = iova->pfn_lo << PAGE_SHIFT_4K; /* * Check if DMAR supports zero-length reads on write only @@ -1887,36 +1941,89 @@ static dma_addr_t intel_map_single(struct device *hwdev, void *addr, if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL) prot |= DMA_PTE_WRITE; /* - * addr - (addr + size) might be partial page, we should map the whole + * paddr - (paddr + size) might be partial page, we should map the whole * page. Note: if two part of one page are separately mapped, we - * might have two guest_addr mapping to the same host addr, but this + * might have two guest_addr mapping to the same host paddr, but this * is not a big problem */ - ret = domain_page_mapping(domain, start_addr, - ((u64)addr) & PAGE_MASK_4K, size, prot); + ret = domain_page_mapping(domain, start_paddr, + ((u64)paddr) & PAGE_MASK_4K, size, prot); if (ret) goto error; pr_debug("Device %s request: %lx@%llx mapping: %lx@%llx, dir %d\n", - pci_name(pdev), size, (u64)addr, - size, (u64)start_addr, dir); + pci_name(pdev), size, (u64)paddr, + size, (u64)start_paddr, dir); /* it's a non-present to present mapping */ ret = iommu_flush_iotlb_psi(domain->iommu, domain->id, - start_addr, size >> PAGE_SHIFT_4K, 1); + start_paddr, size >> PAGE_SHIFT_4K, 1); if (ret) iommu_flush_write_buffer(domain->iommu); - return (start_addr + ((u64)addr & (~PAGE_MASK_4K))); + return (start_paddr + ((u64)paddr & (~PAGE_MASK_4K))); error: if (iova) __free_iova(&domain->iovad, iova); printk(KERN_ERR"Device %s request: %lx@%llx dir %d --- failed\n", - pci_name(pdev), size, (u64)addr, dir); + pci_name(pdev), size, (u64)paddr, dir); return 0; } +static void flush_unmaps(void) +{ + int i, j; + + timer_on = 0; + + /* just flush them all */ + for (i = 0; i < g_num_of_iommus; i++) { + if (deferred_flush[i].next) { + iommu_flush_iotlb_global(&g_iommus[i], 0); + for (j = 0; j < deferred_flush[i].next; j++) { + __free_iova(&deferred_flush[i].domain[j]->iovad, + deferred_flush[i].iova[j]); + } + deferred_flush[i].next = 0; + } + } + + list_size = 0; +} + +static void flush_unmaps_timeout(unsigned long data) +{ + unsigned long flags; + + spin_lock_irqsave(&async_umap_flush_lock, flags); + flush_unmaps(); + spin_unlock_irqrestore(&async_umap_flush_lock, flags); +} + +static void add_unmap(struct dmar_domain *dom, struct iova *iova) +{ + unsigned long flags; + int next, iommu_id; + + spin_lock_irqsave(&async_umap_flush_lock, flags); + if (list_size == HIGH_WATER_MARK) + flush_unmaps(); + + iommu_id = dom->iommu - g_iommus; + next = deferred_flush[iommu_id].next; + deferred_flush[iommu_id].domain[next] = dom; + deferred_flush[iommu_id].iova[next] = iova; + deferred_flush[iommu_id].next++; + + if (!timer_on) { + mod_timer(&unmap_timer, jiffies + msecs_to_jiffies(10)); + timer_on = 1; + } + list_size++; + spin_unlock_irqrestore(&async_umap_flush_lock, flags); +} + static void intel_unmap_single(struct device *dev, dma_addr_t dev_addr, size_t size, int dir) { @@ -1944,13 +2051,19 @@ static void intel_unmap_single(struct device *dev, dma_addr_t dev_addr, dma_pte_clear_range(domain, start_addr, start_addr + size); /* free page tables */ dma_pte_free_pagetable(domain, start_addr, start_addr + size); - - if (iommu_flush_iotlb_psi(domain->iommu, domain->id, start_addr, - size >> PAGE_SHIFT_4K, 0)) - iommu_flush_write_buffer(domain->iommu); - - /* free iova */ - __free_iova(&domain->iovad, iova); + if (intel_iommu_strict) { + if (iommu_flush_iotlb_psi(domain->iommu, + domain->id, start_addr, size >> PAGE_SHIFT_4K, 0)) + iommu_flush_write_buffer(domain->iommu); + /* free iova */ + __free_iova(&domain->iovad, iova); + } else { + add_unmap(domain, iova); + /* + * queue up the release of the unmap to save the 1/6th of the + * cpu used up by the iotlb flush operation... + */ + } } static void * intel_alloc_coherent(struct device *hwdev, size_t size, @@ -1968,7 +2081,7 @@ static void * intel_alloc_coherent(struct device *hwdev, size_t size, return NULL; memset(vaddr, 0, size); - *dma_handle = intel_map_single(hwdev, vaddr, size, DMA_BIDIRECTIONAL); + *dma_handle = intel_map_single(hwdev, virt_to_bus(vaddr), size, DMA_BIDIRECTIONAL); if (*dma_handle) return vaddr; free_pages((unsigned long)vaddr, order); @@ -2289,6 +2402,7 @@ int __init intel_iommu_init(void) printk(KERN_INFO "PCI-DMA: Intel(R) Virtualization Technology for Directed I/O\n"); + init_timer(&unmap_timer); force_iommu = 1; dma_ops = &intel_dma_ops; return 0; diff --git a/drivers/pci/iova.c b/drivers/pci/iova.c index dbcdd6bfa63a..3ef4ac064315 100644 --- a/drivers/pci/iova.c +++ b/drivers/pci/iova.c @@ -73,10 +73,11 @@ iova_get_pad_size(int size, unsigned int limit_pfn) return pad_size; } -static int __alloc_iova_range(struct iova_domain *iovad, unsigned long size, - unsigned long limit_pfn, struct iova *new, bool size_aligned) +static int __alloc_and_insert_iova_range(struct iova_domain *iovad, + unsigned long size, unsigned long limit_pfn, + struct iova *new, bool size_aligned) { - struct rb_node *curr = NULL; + struct rb_node *prev, *curr = NULL; unsigned long flags; unsigned long saved_pfn; unsigned int pad_size = 0; @@ -85,8 +86,10 @@ static int __alloc_iova_range(struct iova_domain *iovad, unsigned long size, spin_lock_irqsave(&iovad->iova_rbtree_lock, flags); saved_pfn = limit_pfn; curr = __get_cached_rbnode(iovad, &limit_pfn); + prev = curr; while (curr) { struct iova *curr_iova = container_of(curr, struct iova, node); + if (limit_pfn < curr_iova->pfn_lo) goto move_left; else if (limit_pfn < curr_iova->pfn_hi) @@ -100,6 +103,7 @@ static int __alloc_iova_range(struct iova_domain *iovad, unsigned long size, adjust_limit_pfn: limit_pfn = curr_iova->pfn_lo - 1; move_left: + prev = curr; curr = rb_prev(curr); } @@ -116,7 +120,33 @@ move_left: new->pfn_lo = limit_pfn - (size + pad_size) + 1; new->pfn_hi = new->pfn_lo + size - 1; + /* Insert the new_iova into domain rbtree by holding writer lock */ + /* Add new node and rebalance tree. */ + { + struct rb_node **entry = &((prev)), *parent = NULL; + /* Figure out where to put new node */ + while (*entry) { + struct iova *this = container_of(*entry, + struct iova, node); + parent = *entry; + + if (new->pfn_lo < this->pfn_lo) + entry = &((*entry)->rb_left); + else if (new->pfn_lo > this->pfn_lo) + entry = &((*entry)->rb_right); + else + BUG(); /* this should not happen */ + } + + /* Add new node and rebalance tree. */ + rb_link_node(&new->node, parent, entry); + rb_insert_color(&new->node, &iovad->rbroot); + } + __cached_rbnode_insert_update(iovad, saved_pfn, new); + spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags); + + return 0; } @@ -172,23 +202,15 @@ alloc_iova(struct iova_domain *iovad, unsigned long size, size = __roundup_pow_of_two(size); spin_lock_irqsave(&iovad->iova_alloc_lock, flags); - ret = __alloc_iova_range(iovad, size, limit_pfn, new_iova, - size_aligned); + ret = __alloc_and_insert_iova_range(iovad, size, limit_pfn, + new_iova, size_aligned); + spin_unlock_irqrestore(&iovad->iova_alloc_lock, flags); if (ret) { - spin_unlock_irqrestore(&iovad->iova_alloc_lock, flags); free_iova_mem(new_iova); return NULL; } - /* Insert the new_iova into domain rbtree by holding writer lock */ - spin_lock(&iovad->iova_rbtree_lock); - iova_insert_rbtree(&iovad->rbroot, new_iova); - __cached_rbnode_insert_update(iovad, limit_pfn, new_iova); - spin_unlock(&iovad->iova_rbtree_lock); - - spin_unlock_irqrestore(&iovad->iova_alloc_lock, flags); - return new_iova; } diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index e571c72e6753..e8d94fafc280 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -182,15 +182,18 @@ static int pci_call_probe(struct pci_driver *drv, struct pci_dev *dev, struct mempolicy *oldpol; cpumask_t oldmask = current->cpus_allowed; int node = pcibus_to_node(dev->bus); - if (node >= 0 && node_online(node)) - set_cpus_allowed(current, node_to_cpumask(node)); + + if (node >= 0) { + node_to_cpumask_ptr(nodecpumask, node); + set_cpus_allowed_ptr(current, nodecpumask); + } /* And set default memory allocation policy */ oldpol = current->mempolicy; current->mempolicy = NULL; /* fall back to system default policy */ #endif error = drv->probe(dev, id); #ifdef CONFIG_NUMA - set_cpus_allowed(current, oldmask); + set_cpus_allowed_ptr(current, &oldmask); current->mempolicy = oldpol; #endif return error; diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 8dcf1458aa2f..271d41cc05ab 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -21,6 +21,7 @@ #include <linux/topology.h> #include <linux/mm.h> #include <linux/capability.h> +#include <linux/pci-aspm.h> #include "pci.h" static int sysfs_initialized; /* = 0 */ @@ -73,8 +74,23 @@ static ssize_t local_cpus_show(struct device *dev, mask = pcibus_to_cpumask(to_pci_dev(dev)->bus); len = cpumask_scnprintf(buf, PAGE_SIZE-2, mask); - strcat(buf,"\n"); - return 1+len; + buf[len++] = '\n'; + buf[len] = '\0'; + return len; +} + + +static ssize_t local_cpulist_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + cpumask_t mask; + int len; + + mask = pcibus_to_cpumask(to_pci_dev(dev)->bus); + len = cpulist_scnprintf(buf, PAGE_SIZE-2, mask); + buf[len++] = '\n'; + buf[len] = '\0'; + return len; } /* show resources */ @@ -201,6 +217,7 @@ struct device_attribute pci_dev_attrs[] = { __ATTR_RO(class), __ATTR_RO(irq), __ATTR_RO(local_cpus), + __ATTR_RO(local_cpulist), __ATTR_RO(modalias), #ifdef CONFIG_NUMA __ATTR_RO(numa_node), @@ -342,6 +359,58 @@ pci_write_config(struct kobject *kobj, struct bin_attribute *bin_attr, return count; } +static ssize_t +pci_read_vpd(struct kobject *kobj, struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) +{ + struct pci_dev *dev = + to_pci_dev(container_of(kobj, struct device, kobj)); + int end; + int ret; + + if (off > bin_attr->size) + count = 0; + else if (count > bin_attr->size - off) + count = bin_attr->size - off; + end = off + count; + + while (off < end) { + ret = dev->vpd->ops->read(dev, off, end - off, buf); + if (ret < 0) + return ret; + buf += ret; + off += ret; + } + + return count; +} + +static ssize_t +pci_write_vpd(struct kobject *kobj, struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) +{ + struct pci_dev *dev = + to_pci_dev(container_of(kobj, struct device, kobj)); + int end; + int ret; + + if (off > bin_attr->size) + count = 0; + else if (count > bin_attr->size - off) + count = bin_attr->size - off; + end = off + count; + + while (off < end) { + ret = dev->vpd->ops->write(dev, off, end - off, buf); + if (ret < 0) + return ret; + buf += ret; + off += ret; + } + + return count; +} + #ifdef HAVE_PCI_LEGACY /** * pci_read_legacy_io - read byte(s) from legacy I/O port space @@ -610,7 +679,7 @@ int __attribute__ ((weak)) pcibios_add_platform_entries(struct pci_dev *dev) int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) { - struct bin_attribute *rom_attr = NULL; + struct bin_attribute *attr = NULL; int retval; if (!sysfs_initialized) @@ -623,22 +692,41 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) if (retval) goto err; + /* If the device has VPD, try to expose it in sysfs. */ + if (pdev->vpd) { + attr = kzalloc(sizeof(*attr), GFP_ATOMIC); + if (attr) { + pdev->vpd->attr = attr; + attr->size = pdev->vpd->ops->get_size(pdev); + attr->attr.name = "vpd"; + attr->attr.mode = S_IRUGO | S_IWUSR; + attr->read = pci_read_vpd; + attr->write = pci_write_vpd; + retval = sysfs_create_bin_file(&pdev->dev.kobj, attr); + if (retval) + goto err_vpd; + } else { + retval = -ENOMEM; + goto err_config_file; + } + } + retval = pci_create_resource_files(pdev); if (retval) - goto err_bin_file; + goto err_vpd_file; /* If the device has a ROM, try to expose it in sysfs. */ if (pci_resource_len(pdev, PCI_ROM_RESOURCE) || (pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW)) { - rom_attr = kzalloc(sizeof(*rom_attr), GFP_ATOMIC); - if (rom_attr) { - pdev->rom_attr = rom_attr; - rom_attr->size = pci_resource_len(pdev, PCI_ROM_RESOURCE); - rom_attr->attr.name = "rom"; - rom_attr->attr.mode = S_IRUSR; - rom_attr->read = pci_read_rom; - rom_attr->write = pci_write_rom; - retval = sysfs_create_bin_file(&pdev->dev.kobj, rom_attr); + attr = kzalloc(sizeof(*attr), GFP_ATOMIC); + if (attr) { + pdev->rom_attr = attr; + attr->size = pci_resource_len(pdev, PCI_ROM_RESOURCE); + attr->attr.name = "rom"; + attr->attr.mode = S_IRUSR; + attr->read = pci_read_rom; + attr->write = pci_write_rom; + retval = sysfs_create_bin_file(&pdev->dev.kobj, attr); if (retval) goto err_rom; } else { @@ -650,16 +738,24 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) if (pcibios_add_platform_entries(pdev)) goto err_rom_file; + pcie_aspm_create_sysfs_dev_files(pdev); + return 0; err_rom_file: if (pci_resource_len(pdev, PCI_ROM_RESOURCE)) - sysfs_remove_bin_file(&pdev->dev.kobj, rom_attr); + sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr); err_rom: - kfree(rom_attr); + kfree(pdev->rom_attr); err_resource_files: pci_remove_resource_files(pdev); -err_bin_file: +err_vpd_file: + if (pdev->vpd) { + sysfs_remove_bin_file(&pdev->dev.kobj, pdev->vpd->attr); +err_vpd: + kfree(pdev->vpd->attr); + } +err_config_file: if (pdev->cfg_size < 4096) sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr); else @@ -679,6 +775,12 @@ void pci_remove_sysfs_dev_files(struct pci_dev *pdev) if (!sysfs_initialized) return; + pcie_aspm_remove_sysfs_dev_files(pdev); + + if (pdev->vpd) { + sysfs_remove_bin_file(&pdev->dev.kobj, pdev->vpd->attr); + kfree(pdev->vpd->attr); + } if (pdev->cfg_size < 4096) sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr); else diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index a4445b7210bf..e4548ab2a93c 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -18,6 +18,7 @@ #include <linux/spinlock.h> #include <linux/string.h> #include <linux/log2.h> +#include <linux/pci-aspm.h> #include <asm/dma.h> /* isa_dma_bridge_buggy */ #include "pci.h" @@ -424,7 +425,7 @@ pci_set_power_state(struct pci_dev *dev, pci_power_t state) */ if (state != PCI_D0 && dev->current_state > state) { printk(KERN_ERR "%s(): %s: state=%d, current state=%d\n", - __FUNCTION__, pci_name(dev), state, dev->current_state); + __func__, pci_name(dev), state, dev->current_state); return -EINVAL; } else if (dev->current_state == state) return 0; /* we're already there */ @@ -501,6 +502,9 @@ pci_set_power_state(struct pci_dev *dev, pci_power_t state) if (need_restore) pci_restore_bars(dev); + if (dev->bus->self) + pcie_aspm_pm_state_change(dev->bus->self); + return 0; } diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index eabeb1f2ec99..0a497c1b4227 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -18,6 +18,25 @@ extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val); extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val); extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val); +struct pci_vpd_ops { + int (*read)(struct pci_dev *dev, int pos, int size, char *buf); + int (*write)(struct pci_dev *dev, int pos, int size, const char *buf); + int (*get_size)(struct pci_dev *dev); + void (*release)(struct pci_dev *dev); +}; + +struct pci_vpd { + struct pci_vpd_ops *ops; + struct bin_attribute *attr; /* descriptor for sysfs VPD entry */ +}; + +extern int pci_vpd_pci22_init(struct pci_dev *dev); +static inline void pci_vpd_release(struct pci_dev *dev) +{ + if (dev->vpd) + dev->vpd->ops->release(dev); +} + /* PCI /proc functions */ #ifdef CONFIG_PROC_FS extern int pci_proc_attach_device(struct pci_dev *dev); diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig index 287a9311716c..25b04fb2517d 100644 --- a/drivers/pci/pcie/Kconfig +++ b/drivers/pci/pcie/Kconfig @@ -26,3 +26,23 @@ config HOTPLUG_PCI_PCIE When in doubt, say N. source "drivers/pci/pcie/aer/Kconfig" + +# +# PCI Express ASPM +# +config PCIEASPM + bool "PCI Express ASPM support(Experimental)" + depends on PCI && EXPERIMENTAL && PCIEPORTBUS + default y + help + This enables PCI Express ASPM (Active State Power Management) and + Clock Power Management. ASPM supports state L0/L0s/L1. + + When in doubt, say N. +config PCIEASPM_DEBUG + bool "Debug PCI Express ASPM" + depends on PCIEASPM + default n + help + This enables PCI Express ASPM debug support. It will add per-device + interface to control ASPM. diff --git a/drivers/pci/pcie/Makefile b/drivers/pci/pcie/Makefile index e00fb99acf44..11f6bb1eae24 100644 --- a/drivers/pci/pcie/Makefile +++ b/drivers/pci/pcie/Makefile @@ -2,6 +2,9 @@ # Makefile for PCI-Express PORT Driver # +# Build PCI Express ASPM if needed +obj-$(CONFIG_PCIEASPM) += aspm.o + pcieportdrv-y := portdrv_core.o portdrv_pci.o portdrv_bus.o obj-$(CONFIG_PCIEPORTBUS) += pcieportdrv.o diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c index 7a62f7dd9009..07c3bdb6edc2 100644 --- a/drivers/pci/pcie/aer/aerdrv.c +++ b/drivers/pci/pcie/aer/aerdrv.c @@ -220,7 +220,7 @@ static int __devinit aer_probe (struct pcie_device *dev, /* Alloc rpc data structure */ if (!(rpc = aer_alloc_rpc(dev))) { printk(KERN_DEBUG "%s: Alloc rpc fails on PCIE device[%s]\n", - __FUNCTION__, device->bus_id); + __func__, device->bus_id); aer_remove(dev); return -ENOMEM; } @@ -229,7 +229,7 @@ static int __devinit aer_probe (struct pcie_device *dev, if ((status = request_irq(dev->irq, aer_irq, IRQF_SHARED, "aerdrv", dev))) { printk(KERN_DEBUG "%s: Request ISR fails on PCIE device[%s]\n", - __FUNCTION__, device->bus_id); + __func__, device->bus_id); aer_remove(dev); return status; } diff --git a/drivers/pci/pcie/aer/aerdrv_acpi.c b/drivers/pci/pcie/aer/aerdrv_acpi.c index 8c199ae84f6d..d39a78dbd026 100644 --- a/drivers/pci/pcie/aer/aerdrv_acpi.c +++ b/drivers/pci/pcie/aer/aerdrv_acpi.c @@ -31,10 +31,13 @@ int aer_osc_setup(struct pcie_device *pciedev) { acpi_status status = AE_NOT_FOUND; struct pci_dev *pdev = pciedev->port; - acpi_handle handle = 0; + acpi_handle handle = NULL; + + if (acpi_pci_disabled) + return -1; /* Find root host bridge */ - while (pdev->bus && pdev->bus->self) + while (pdev->bus->self) pdev = pdev->bus->self; handle = acpi_get_pci_rootbridge_handle( pci_domain_nr(pdev->bus), pdev->bus->number); diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index 3c0d8d138f5a..aaa82392d1dc 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -117,6 +117,7 @@ int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev) return 0; } +#if 0 int pci_cleanup_aer_correct_error_status(struct pci_dev *dev) { int pos; @@ -131,6 +132,7 @@ int pci_cleanup_aer_correct_error_status(struct pci_dev *dev) return 0; } +#endif /* 0 */ static int find_device_iter(struct device *device, void *data) { @@ -689,7 +691,7 @@ static void aer_isr_one_error(struct pcie_device *p_device, e_info.flags |= AER_MULTI_ERROR_VALID_FLAG; if (!(s_device = find_source_device(p_device->port, id))) { printk(KERN_DEBUG "%s->can't find device of ID%04x\n", - __FUNCTION__, id); + __func__, id); continue; } if (get_device_error_info(to_pci_dev(s_device), &e_info) == @@ -757,5 +759,4 @@ EXPORT_SYMBOL_GPL(pci_find_aer_capability); EXPORT_SYMBOL_GPL(pci_enable_pcie_error_reporting); EXPORT_SYMBOL_GPL(pci_disable_pcie_error_reporting); EXPORT_SYMBOL_GPL(pci_cleanup_aer_uncorrect_error_status); -EXPORT_SYMBOL_GPL(pci_cleanup_aer_correct_error_status); diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c new file mode 100644 index 000000000000..61fedb2448b6 --- /dev/null +++ b/drivers/pci/pcie/aspm.c @@ -0,0 +1,811 @@ +/* + * File: drivers/pci/pcie/aspm.c + * Enabling PCIE link L0s/L1 state and Clock Power Management + * + * Copyright (C) 2007 Intel + * Copyright (C) Zhang Yanmin (yanmin.zhang@intel.com) + * Copyright (C) Shaohua Li (shaohua.li@intel.com) + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/pci.h> +#include <linux/pci_regs.h> +#include <linux/errno.h> +#include <linux/pm.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/pci-aspm.h> +#include "../pci.h" + +#ifdef MODULE_PARAM_PREFIX +#undef MODULE_PARAM_PREFIX +#endif +#define MODULE_PARAM_PREFIX "pcie_aspm." + +struct endpoint_state { + unsigned int l0s_acceptable_latency; + unsigned int l1_acceptable_latency; +}; + +struct pcie_link_state { + struct list_head sibiling; + struct pci_dev *pdev; + + /* ASPM state */ + unsigned int support_state; + unsigned int enabled_state; + unsigned int bios_aspm_state; + /* upstream component */ + unsigned int l0s_upper_latency; + unsigned int l1_upper_latency; + /* downstream component */ + unsigned int l0s_down_latency; + unsigned int l1_down_latency; + /* Clock PM state*/ + unsigned int clk_pm_capable; + unsigned int clk_pm_enabled; + unsigned int bios_clk_state; + + /* + * A pcie downstream port only has one slot under it, so at most there + * are 8 functions + */ + struct endpoint_state endpoints[8]; +}; + +static int aspm_disabled; +static DEFINE_MUTEX(aspm_lock); +static LIST_HEAD(link_list); + +#define POLICY_DEFAULT 0 /* BIOS default setting */ +#define POLICY_PERFORMANCE 1 /* high performance */ +#define POLICY_POWERSAVE 2 /* high power saving */ +static int aspm_policy; +static const char *policy_str[] = { + [POLICY_DEFAULT] = "default", + [POLICY_PERFORMANCE] = "performance", + [POLICY_POWERSAVE] = "powersave" +}; + +static int policy_to_aspm_state(struct pci_dev *pdev) +{ + struct pcie_link_state *link_state = pdev->link_state; + + switch (aspm_policy) { + case POLICY_PERFORMANCE: + /* Disable ASPM and Clock PM */ + return 0; + case POLICY_POWERSAVE: + /* Enable ASPM L0s/L1 */ + return PCIE_LINK_STATE_L0S|PCIE_LINK_STATE_L1; + case POLICY_DEFAULT: + return link_state->bios_aspm_state; + } + return 0; +} + +static int policy_to_clkpm_state(struct pci_dev *pdev) +{ + struct pcie_link_state *link_state = pdev->link_state; + + switch (aspm_policy) { + case POLICY_PERFORMANCE: + /* Disable ASPM and Clock PM */ + return 0; + case POLICY_POWERSAVE: + /* Disable Clock PM */ + return 1; + case POLICY_DEFAULT: + return link_state->bios_clk_state; + } + return 0; +} + +static void pcie_set_clock_pm(struct pci_dev *pdev, int enable) +{ + struct pci_dev *child_dev; + int pos; + u16 reg16; + struct pcie_link_state *link_state = pdev->link_state; + + list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { + pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); + if (!pos) + return; + pci_read_config_word(child_dev, pos + PCI_EXP_LNKCTL, ®16); + if (enable) + reg16 |= PCI_EXP_LNKCTL_CLKREQ_EN; + else + reg16 &= ~PCI_EXP_LNKCTL_CLKREQ_EN; + pci_write_config_word(child_dev, pos + PCI_EXP_LNKCTL, reg16); + } + link_state->clk_pm_enabled = !!enable; +} + +static void pcie_check_clock_pm(struct pci_dev *pdev) +{ + int pos; + u32 reg32; + u16 reg16; + int capable = 1, enabled = 1; + struct pci_dev *child_dev; + struct pcie_link_state *link_state = pdev->link_state; + + /* All functions should have the same cap and state, take the worst */ + list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { + pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); + if (!pos) + return; + pci_read_config_dword(child_dev, pos + PCI_EXP_LNKCAP, ®32); + if (!(reg32 & PCI_EXP_LNKCAP_CLKPM)) { + capable = 0; + enabled = 0; + break; + } + pci_read_config_word(child_dev, pos + PCI_EXP_LNKCTL, ®16); + if (!(reg16 & PCI_EXP_LNKCTL_CLKREQ_EN)) + enabled = 0; + } + link_state->clk_pm_capable = capable; + link_state->clk_pm_enabled = enabled; + link_state->bios_clk_state = enabled; + pcie_set_clock_pm(pdev, policy_to_clkpm_state(pdev)); +} + +/* + * pcie_aspm_configure_common_clock: check if the 2 ends of a link + * could use common clock. If they are, configure them to use the + * common clock. That will reduce the ASPM state exit latency. + */ +static void pcie_aspm_configure_common_clock(struct pci_dev *pdev) +{ + int pos, child_pos; + u16 reg16 = 0; + struct pci_dev *child_dev; + int same_clock = 1; + + /* + * all functions of a slot should have the same Slot Clock + * Configuration, so just check one function + * */ + child_dev = list_entry(pdev->subordinate->devices.next, struct pci_dev, + bus_list); + BUG_ON(!child_dev->is_pcie); + + /* Check downstream component if bit Slot Clock Configuration is 1 */ + child_pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); + pci_read_config_word(child_dev, child_pos + PCI_EXP_LNKSTA, ®16); + if (!(reg16 & PCI_EXP_LNKSTA_SLC)) + same_clock = 0; + + /* Check upstream component if bit Slot Clock Configuration is 1 */ + pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); + pci_read_config_word(pdev, pos + PCI_EXP_LNKSTA, ®16); + if (!(reg16 & PCI_EXP_LNKSTA_SLC)) + same_clock = 0; + + /* Configure downstream component, all functions */ + list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { + child_pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); + pci_read_config_word(child_dev, child_pos + PCI_EXP_LNKCTL, + ®16); + if (same_clock) + reg16 |= PCI_EXP_LNKCTL_CCC; + else + reg16 &= ~PCI_EXP_LNKCTL_CCC; + pci_write_config_word(child_dev, child_pos + PCI_EXP_LNKCTL, + reg16); + } + + /* Configure upstream component */ + pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, ®16); + if (same_clock) + reg16 |= PCI_EXP_LNKCTL_CCC; + else + reg16 &= ~PCI_EXP_LNKCTL_CCC; + pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16); + + /* retrain link */ + reg16 |= PCI_EXP_LNKCTL_RL; + pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16); + + /* Wait for link training end */ + while (1) { + pci_read_config_word(pdev, pos + PCI_EXP_LNKSTA, ®16); + if (!(reg16 & PCI_EXP_LNKSTA_LT)) + break; + cpu_relax(); + } +} + +/* + * calc_L0S_latency: Convert L0s latency encoding to ns + */ +static unsigned int calc_L0S_latency(unsigned int latency_encoding, int ac) +{ + unsigned int ns = 64; + + if (latency_encoding == 0x7) { + if (ac) + ns = -1U; + else + ns = 5*1000; /* > 4us */ + } else + ns *= (1 << latency_encoding); + return ns; +} + +/* + * calc_L1_latency: Convert L1 latency encoding to ns + */ +static unsigned int calc_L1_latency(unsigned int latency_encoding, int ac) +{ + unsigned int ns = 1000; + + if (latency_encoding == 0x7) { + if (ac) + ns = -1U; + else + ns = 65*1000; /* > 64us */ + } else + ns *= (1 << latency_encoding); + return ns; +} + +static void pcie_aspm_get_cap_device(struct pci_dev *pdev, u32 *state, + unsigned int *l0s, unsigned int *l1, unsigned int *enabled) +{ + int pos; + u16 reg16; + u32 reg32; + unsigned int latency; + + pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); + pci_read_config_dword(pdev, pos + PCI_EXP_LNKCAP, ®32); + *state = (reg32 & PCI_EXP_LNKCAP_ASPMS) >> 10; + if (*state != PCIE_LINK_STATE_L0S && + *state != (PCIE_LINK_STATE_L1|PCIE_LINK_STATE_L0S)) + *state = 0; + if (*state == 0) + return; + + latency = (reg32 & PCI_EXP_LNKCAP_L0SEL) >> 12; + *l0s = calc_L0S_latency(latency, 0); + if (*state & PCIE_LINK_STATE_L1) { + latency = (reg32 & PCI_EXP_LNKCAP_L1EL) >> 15; + *l1 = calc_L1_latency(latency, 0); + } + pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, ®16); + *enabled = reg16 & (PCIE_LINK_STATE_L0S|PCIE_LINK_STATE_L1); +} + +static void pcie_aspm_cap_init(struct pci_dev *pdev) +{ + struct pci_dev *child_dev; + u32 state, tmp; + struct pcie_link_state *link_state = pdev->link_state; + + /* upstream component states */ + pcie_aspm_get_cap_device(pdev, &link_state->support_state, + &link_state->l0s_upper_latency, + &link_state->l1_upper_latency, + &link_state->enabled_state); + /* downstream component states, all functions have the same setting */ + child_dev = list_entry(pdev->subordinate->devices.next, struct pci_dev, + bus_list); + pcie_aspm_get_cap_device(child_dev, &state, + &link_state->l0s_down_latency, + &link_state->l1_down_latency, + &tmp); + link_state->support_state &= state; + if (!link_state->support_state) + return; + link_state->enabled_state &= link_state->support_state; + link_state->bios_aspm_state = link_state->enabled_state; + + /* ENDPOINT states*/ + list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { + int pos; + u32 reg32; + unsigned int latency; + struct endpoint_state *ep_state = + &link_state->endpoints[PCI_FUNC(child_dev->devfn)]; + + if (child_dev->pcie_type != PCI_EXP_TYPE_ENDPOINT && + child_dev->pcie_type != PCI_EXP_TYPE_LEG_END) + continue; + + pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); + pci_read_config_dword(child_dev, pos + PCI_EXP_DEVCAP, ®32); + latency = (reg32 & PCI_EXP_DEVCAP_L0S) >> 6; + latency = calc_L0S_latency(latency, 1); + ep_state->l0s_acceptable_latency = latency; + if (link_state->support_state & PCIE_LINK_STATE_L1) { + latency = (reg32 & PCI_EXP_DEVCAP_L1) >> 9; + latency = calc_L1_latency(latency, 1); + ep_state->l1_acceptable_latency = latency; + } + } +} + +static unsigned int __pcie_aspm_check_state_one(struct pci_dev *pdev, + unsigned int state) +{ + struct pci_dev *parent_dev, *tmp_dev; + unsigned int latency, l1_latency = 0; + struct pcie_link_state *link_state; + struct endpoint_state *ep_state; + + parent_dev = pdev->bus->self; + link_state = parent_dev->link_state; + state &= link_state->support_state; + if (state == 0) + return 0; + ep_state = &link_state->endpoints[PCI_FUNC(pdev->devfn)]; + + /* + * Check latency for endpoint device. + * TBD: The latency from the endpoint to root complex vary per + * switch's upstream link state above the device. Here we just do a + * simple check which assumes all links above the device can be in L1 + * state, that is we just consider the worst case. If switch's upstream + * link can't be put into L0S/L1, then our check is too strictly. + */ + tmp_dev = pdev; + while (state & (PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1)) { + parent_dev = tmp_dev->bus->self; + link_state = parent_dev->link_state; + if (state & PCIE_LINK_STATE_L0S) { + latency = max_t(unsigned int, + link_state->l0s_upper_latency, + link_state->l0s_down_latency); + if (latency > ep_state->l0s_acceptable_latency) + state &= ~PCIE_LINK_STATE_L0S; + } + if (state & PCIE_LINK_STATE_L1) { + latency = max_t(unsigned int, + link_state->l1_upper_latency, + link_state->l1_down_latency); + if (latency + l1_latency > + ep_state->l1_acceptable_latency) + state &= ~PCIE_LINK_STATE_L1; + } + if (!parent_dev->bus->self) /* parent_dev is a root port */ + break; + else { + /* + * parent_dev is the downstream port of a switch, make + * tmp_dev the upstream port of the switch + */ + tmp_dev = parent_dev->bus->self; + /* + * every switch on the path to root complex need 1 more + * microsecond for L1. Spec doesn't mention L0S. + */ + if (state & PCIE_LINK_STATE_L1) + l1_latency += 1000; + } + } + return state; +} + +static unsigned int pcie_aspm_check_state(struct pci_dev *pdev, + unsigned int state) +{ + struct pci_dev *child_dev; + + /* If no child, disable the link */ + if (list_empty(&pdev->subordinate->devices)) + return 0; + list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { + if (child_dev->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE) { + /* + * If downstream component of a link is pci bridge, we + * disable ASPM for now for the link + * */ + state = 0; + break; + } + if ((child_dev->pcie_type != PCI_EXP_TYPE_ENDPOINT && + child_dev->pcie_type != PCI_EXP_TYPE_LEG_END)) + continue; + /* Device not in D0 doesn't need check latency */ + if (child_dev->current_state == PCI_D1 || + child_dev->current_state == PCI_D2 || + child_dev->current_state == PCI_D3hot || + child_dev->current_state == PCI_D3cold) + continue; + state = __pcie_aspm_check_state_one(child_dev, state); + } + return state; +} + +static void __pcie_aspm_config_one_dev(struct pci_dev *pdev, unsigned int state) +{ + u16 reg16; + int pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); + + pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, ®16); + reg16 &= ~0x3; + reg16 |= state; + pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16); +} + +static void __pcie_aspm_config_link(struct pci_dev *pdev, unsigned int state) +{ + struct pci_dev *child_dev; + int valid = 1; + struct pcie_link_state *link_state = pdev->link_state; + + /* + * if the downstream component has pci bridge function, don't do ASPM + * now + */ + list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { + if (child_dev->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE) { + valid = 0; + break; + } + } + if (!valid) + return; + + /* + * spec 2.0 suggests all functions should be configured the same + * setting for ASPM. Enabling ASPM L1 should be done in upstream + * component first and then downstream, and vice versa for disabling + * ASPM L1. Spec doesn't mention L0S. + */ + if (state & PCIE_LINK_STATE_L1) + __pcie_aspm_config_one_dev(pdev, state); + + list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) + __pcie_aspm_config_one_dev(child_dev, state); + + if (!(state & PCIE_LINK_STATE_L1)) + __pcie_aspm_config_one_dev(pdev, state); + + link_state->enabled_state = state; +} + +static void __pcie_aspm_configure_link_state(struct pci_dev *pdev, + unsigned int state) +{ + struct pcie_link_state *link_state = pdev->link_state; + + if (link_state->support_state == 0) + return; + state &= PCIE_LINK_STATE_L0S|PCIE_LINK_STATE_L1; + + /* state 0 means disabling aspm */ + state = pcie_aspm_check_state(pdev, state); + if (link_state->enabled_state == state) + return; + __pcie_aspm_config_link(pdev, state); +} + +/* + * pcie_aspm_configure_link_state: enable/disable PCI express link state + * @pdev: the root port or switch downstream port + */ +static void pcie_aspm_configure_link_state(struct pci_dev *pdev, + unsigned int state) +{ + down_read(&pci_bus_sem); + mutex_lock(&aspm_lock); + __pcie_aspm_configure_link_state(pdev, state); + mutex_unlock(&aspm_lock); + up_read(&pci_bus_sem); +} + +static void free_link_state(struct pci_dev *pdev) +{ + kfree(pdev->link_state); + pdev->link_state = NULL; +} + +/* + * pcie_aspm_init_link_state: Initiate PCI express link state. + * It is called after the pcie and its children devices are scaned. + * @pdev: the root port or switch downstream port + */ +void pcie_aspm_init_link_state(struct pci_dev *pdev) +{ + unsigned int state; + struct pcie_link_state *link_state; + int error = 0; + + if (aspm_disabled || !pdev->is_pcie || pdev->link_state) + return; + if (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && + pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) + return; + down_read(&pci_bus_sem); + if (list_empty(&pdev->subordinate->devices)) + goto out; + + mutex_lock(&aspm_lock); + + link_state = kzalloc(sizeof(*link_state), GFP_KERNEL); + if (!link_state) + goto unlock_out; + pdev->link_state = link_state; + + pcie_aspm_configure_common_clock(pdev); + + pcie_aspm_cap_init(pdev); + + /* config link state to avoid BIOS error */ + state = pcie_aspm_check_state(pdev, policy_to_aspm_state(pdev)); + __pcie_aspm_config_link(pdev, state); + + pcie_check_clock_pm(pdev); + + link_state->pdev = pdev; + list_add(&link_state->sibiling, &link_list); + +unlock_out: + if (error) + free_link_state(pdev); + mutex_unlock(&aspm_lock); +out: + up_read(&pci_bus_sem); +} + +/* @pdev: the endpoint device */ +void pcie_aspm_exit_link_state(struct pci_dev *pdev) +{ + struct pci_dev *parent = pdev->bus->self; + struct pcie_link_state *link_state = parent->link_state; + + if (aspm_disabled || !pdev->is_pcie || !parent || !link_state) + return; + if (parent->pcie_type != PCI_EXP_TYPE_ROOT_PORT && + parent->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) + return; + down_read(&pci_bus_sem); + mutex_lock(&aspm_lock); + + /* + * All PCIe functions are in one slot, remove one function will remove + * the the whole slot, so just wait + */ + if (!list_empty(&parent->subordinate->devices)) + goto out; + + /* All functions are removed, so just disable ASPM for the link */ + __pcie_aspm_config_one_dev(parent, 0); + list_del(&link_state->sibiling); + /* Clock PM is for endpoint device */ + + free_link_state(parent); +out: + mutex_unlock(&aspm_lock); + up_read(&pci_bus_sem); +} + +/* @pdev: the root port or switch downstream port */ +void pcie_aspm_pm_state_change(struct pci_dev *pdev) +{ + struct pcie_link_state *link_state = pdev->link_state; + + if (aspm_disabled || !pdev->is_pcie || !pdev->link_state) + return; + if (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && + pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) + return; + /* + * devices changed PM state, we should recheck if latency meets all + * functions' requirement + */ + pcie_aspm_configure_link_state(pdev, link_state->enabled_state); +} + +/* + * pci_disable_link_state - disable pci device's link state, so the link will + * never enter specific states + */ +void pci_disable_link_state(struct pci_dev *pdev, int state) +{ + struct pci_dev *parent = pdev->bus->self; + struct pcie_link_state *link_state; + + if (aspm_disabled || !pdev->is_pcie) + return; + if (pdev->pcie_type == PCI_EXP_TYPE_ROOT_PORT || + pdev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM) + parent = pdev; + if (!parent || !parent->link_state) + return; + + down_read(&pci_bus_sem); + mutex_lock(&aspm_lock); + link_state = parent->link_state; + link_state->support_state &= + ~(state & (PCIE_LINK_STATE_L0S|PCIE_LINK_STATE_L1)); + if (state & PCIE_LINK_STATE_CLKPM) + link_state->clk_pm_capable = 0; + + __pcie_aspm_configure_link_state(parent, link_state->enabled_state); + if (!link_state->clk_pm_capable && link_state->clk_pm_enabled) + pcie_set_clock_pm(parent, 0); + mutex_unlock(&aspm_lock); + up_read(&pci_bus_sem); +} +EXPORT_SYMBOL(pci_disable_link_state); + +static int pcie_aspm_set_policy(const char *val, struct kernel_param *kp) +{ + int i; + struct pci_dev *pdev; + struct pcie_link_state *link_state; + + for (i = 0; i < ARRAY_SIZE(policy_str); i++) + if (!strncmp(val, policy_str[i], strlen(policy_str[i]))) + break; + if (i >= ARRAY_SIZE(policy_str)) + return -EINVAL; + if (i == aspm_policy) + return 0; + + down_read(&pci_bus_sem); + mutex_lock(&aspm_lock); + aspm_policy = i; + list_for_each_entry(link_state, &link_list, sibiling) { + pdev = link_state->pdev; + __pcie_aspm_configure_link_state(pdev, + policy_to_aspm_state(pdev)); + if (link_state->clk_pm_capable && + link_state->clk_pm_enabled != policy_to_clkpm_state(pdev)) + pcie_set_clock_pm(pdev, policy_to_clkpm_state(pdev)); + + } + mutex_unlock(&aspm_lock); + up_read(&pci_bus_sem); + return 0; +} + +static int pcie_aspm_get_policy(char *buffer, struct kernel_param *kp) +{ + int i, cnt = 0; + for (i = 0; i < ARRAY_SIZE(policy_str); i++) + if (i == aspm_policy) + cnt += sprintf(buffer + cnt, "[%s] ", policy_str[i]); + else + cnt += sprintf(buffer + cnt, "%s ", policy_str[i]); + return cnt; +} + +module_param_call(policy, pcie_aspm_set_policy, pcie_aspm_get_policy, + NULL, 0644); + +#ifdef CONFIG_PCIEASPM_DEBUG +static ssize_t link_state_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct pci_dev *pci_device = to_pci_dev(dev); + struct pcie_link_state *link_state = pci_device->link_state; + + return sprintf(buf, "%d\n", link_state->enabled_state); +} + +static ssize_t link_state_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t n) +{ + struct pci_dev *pci_device = to_pci_dev(dev); + int state; + + if (n < 1) + return -EINVAL; + state = buf[0]-'0'; + if (state >= 0 && state <= 3) { + /* setup link aspm state */ + pcie_aspm_configure_link_state(pci_device, state); + return n; + } + + return -EINVAL; +} + +static ssize_t clk_ctl_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct pci_dev *pci_device = to_pci_dev(dev); + struct pcie_link_state *link_state = pci_device->link_state; + + return sprintf(buf, "%d\n", link_state->clk_pm_enabled); +} + +static ssize_t clk_ctl_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t n) +{ + struct pci_dev *pci_device = to_pci_dev(dev); + int state; + + if (n < 1) + return -EINVAL; + state = buf[0]-'0'; + + down_read(&pci_bus_sem); + mutex_lock(&aspm_lock); + pcie_set_clock_pm(pci_device, !!state); + mutex_unlock(&aspm_lock); + up_read(&pci_bus_sem); + + return n; +} + +static DEVICE_ATTR(link_state, 0644, link_state_show, link_state_store); +static DEVICE_ATTR(clk_ctl, 0644, clk_ctl_show, clk_ctl_store); + +static char power_group[] = "power"; +void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev) +{ + struct pcie_link_state *link_state = pdev->link_state; + + if (!pdev->is_pcie || (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && + pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) || !link_state) + return; + + if (link_state->support_state) + sysfs_add_file_to_group(&pdev->dev.kobj, + &dev_attr_link_state.attr, power_group); + if (link_state->clk_pm_capable) + sysfs_add_file_to_group(&pdev->dev.kobj, + &dev_attr_clk_ctl.attr, power_group); +} + +void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev) +{ + struct pcie_link_state *link_state = pdev->link_state; + + if (!pdev->is_pcie || (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && + pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) || !link_state) + return; + + if (link_state->support_state) + sysfs_remove_file_from_group(&pdev->dev.kobj, + &dev_attr_link_state.attr, power_group); + if (link_state->clk_pm_capable) + sysfs_remove_file_from_group(&pdev->dev.kobj, + &dev_attr_clk_ctl.attr, power_group); +} +#endif + +static int __init pcie_aspm_disable(char *str) +{ + aspm_disabled = 1; + return 1; +} + +__setup("pcie_noaspm", pcie_aspm_disable); + +#ifdef CONFIG_ACPI +#include <acpi/acpi_bus.h> +#include <linux/pci-acpi.h> +static void pcie_aspm_platform_init(void) +{ + pcie_osc_support_set(OSC_ACTIVE_STATE_PWR_SUPPORT| + OSC_CLOCK_PWR_CAPABILITY_SUPPORT); +} +#else +static inline void pcie_aspm_platform_init(void) { } +#endif + +static int __init pcie_aspm_init(void) +{ + if (aspm_disabled) + return 0; + pcie_aspm_platform_init(); + return 0; +} + +fs_initcall(pcie_aspm_init); diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c index 23d9eb073296..fb0abfa508dc 100644 --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -150,7 +150,7 @@ static int assign_interrupt_mode(struct pci_dev *dev, int *vectors, int mask) if (pos) { struct msix_entry msix_entries[PCIE_PORT_DEVICE_MAXSERVICES] = {{0, 0}, {0, 1}, {0, 2}, {0, 3}}; - printk("%s Found MSIX capability\n", __FUNCTION__); + printk("%s Found MSIX capability\n", __func__); status = pci_enable_msix(dev, msix_entries, nvec); if (!status) { int j = 0; @@ -165,7 +165,7 @@ static int assign_interrupt_mode(struct pci_dev *dev, int *vectors, int mask) if (status) { pos = pci_find_capability(dev, PCI_CAP_ID_MSI); if (pos) { - printk("%s Found MSI capability\n", __FUNCTION__); + printk("%s Found MSI capability\n", __func__); status = pci_enable_msi(dev); if (!status) { interrupt_mode = PCIE_PORT_MSI_MODE; diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index 26057f98f72e..51d163238d93 100644 --- a/drivers/pci/pcie/portdrv_pci.c +++ b/drivers/pci/pcie/portdrv_pci.c @@ -93,7 +93,7 @@ static int __devinit pcie_portdrv_probe (struct pci_dev *dev, if (!dev->irq && dev->pin) { printk(KERN_WARNING "%s->Dev[%04x:%04x] has invalid IRQ. Check vendor BIOS\n", - __FUNCTION__, dev->vendor, dev->device); + __func__, dev->vendor, dev->device); } if (pcie_port_device_register(dev)) { pci_disable_device(dev); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 2db2e4bb0d1e..f991359f0c36 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -9,6 +9,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/cpumask.h> +#include <linux/pci-aspm.h> #include "pci.h" #define CARDBUS_LATENCY_TIMER 176 /* secondary latency timer */ @@ -20,18 +21,27 @@ LIST_HEAD(pci_root_buses); EXPORT_SYMBOL(pci_root_buses); -LIST_HEAD(pci_devices); + +static int find_anything(struct device *dev, void *data) +{ + return 1; +} /* * Some device drivers need know if pci is initiated. * Basically, we think pci is not initiated when there - * is no device in list of pci_devices. + * is no device to be found on the pci_bus_type. */ int no_pci_devices(void) { - return list_empty(&pci_devices); -} + struct device *dev; + int no_devices; + dev = bus_find_device(&pci_bus_type, NULL, NULL, find_anything); + no_devices = (dev == NULL); + put_device(dev); + return no_devices; +} EXPORT_SYMBOL(no_pci_devices); #ifdef HAVE_PCI_LEGACY @@ -82,6 +92,7 @@ void pci_remove_legacy_files(struct pci_bus *bus) { return; } * PCI Bus Class Devices */ static ssize_t pci_bus_show_cpuaffinity(struct device *dev, + int type, struct device_attribute *attr, char *buf) { @@ -89,12 +100,30 @@ static ssize_t pci_bus_show_cpuaffinity(struct device *dev, cpumask_t cpumask; cpumask = pcibus_to_cpumask(to_pci_bus(dev)); - ret = cpumask_scnprintf(buf, PAGE_SIZE, cpumask); - if (ret < PAGE_SIZE) - buf[ret++] = '\n'; + ret = type? + cpulist_scnprintf(buf, PAGE_SIZE-2, cpumask): + cpumask_scnprintf(buf, PAGE_SIZE-2, cpumask); + buf[ret++] = '\n'; + buf[ret] = '\0'; return ret; } -DEVICE_ATTR(cpuaffinity, S_IRUGO, pci_bus_show_cpuaffinity, NULL); + +static ssize_t inline pci_bus_show_cpumaskaffinity(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return pci_bus_show_cpuaffinity(dev, 0, attr, buf); +} + +static ssize_t inline pci_bus_show_cpulistaffinity(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return pci_bus_show_cpuaffinity(dev, 1, attr, buf); +} + +DEVICE_ATTR(cpuaffinity, S_IRUGO, pci_bus_show_cpumaskaffinity, NULL); +DEVICE_ATTR(cpulistaffinity, S_IRUGO, pci_bus_show_cpulistaffinity, NULL); /* * PCI Bus Class @@ -225,7 +254,7 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom) res->flags |= l & ~PCI_BASE_ADDRESS_IO_MASK; } res->end = res->start + (unsigned long) sz; - res->flags |= pci_calc_resource_flags(l); + res->flags |= pci_calc_resource_flags(l) | IORESOURCE_SIZEALIGN; if (is_64bit_memory(l)) { u32 szhi, lhi; @@ -278,7 +307,8 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom) if (sz) { res->flags = (l & IORESOURCE_ROM_ENABLE) | IORESOURCE_MEM | IORESOURCE_PREFETCH | - IORESOURCE_READONLY | IORESOURCE_CACHEABLE; + IORESOURCE_READONLY | IORESOURCE_CACHEABLE | + IORESOURCE_SIZEALIGN; res->start = l & PCI_ROM_ADDRESS_MASK; res->end = res->start + (unsigned long) sz; } @@ -388,8 +418,8 @@ static struct pci_bus * pci_alloc_bus(void) return b; } -static struct pci_bus * __devinit -pci_alloc_child_bus(struct pci_bus *parent, struct pci_dev *bridge, int busnr) +static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent, + struct pci_dev *bridge, int busnr) { struct pci_bus *child; int i; @@ -622,7 +652,9 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, pci_write_config_byte(dev, PCI_SUBORDINATE_BUS, max); } - sprintf(child->name, (is_cardbus ? "PCI CardBus #%02x" : "PCI Bus #%02x"), child->number); + sprintf(child->name, + (is_cardbus ? "PCI CardBus %04x:%02x" : "PCI Bus %04x:%02x"), + pci_domain_nr(bus), child->number); /* Has only triggered on CardBus, fixup is in yenta_socket */ while (bus->parent) { @@ -782,6 +814,7 @@ static void pci_release_dev(struct device *dev) struct pci_dev *pci_dev; pci_dev = to_pci_dev(dev); + pci_vpd_release(pci_dev); kfree(pci_dev); } @@ -849,7 +882,6 @@ struct pci_dev *alloc_pci_dev(void) if (!dev) return NULL; - INIT_LIST_HEAD(&dev->global_list); INIT_LIST_HEAD(&dev->bus_list); pci_msi_init_pci_dev(dev); @@ -862,8 +894,7 @@ EXPORT_SYMBOL(alloc_pci_dev); * Read the config data for a PCI device, sanity-check it * and fill in the dev structure... */ -static struct pci_dev * __devinit -pci_scan_device(struct pci_bus *bus, int devfn) +static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn) { struct pci_dev *dev; u32 l; @@ -922,6 +953,8 @@ pci_scan_device(struct pci_bus *bus, int devfn) return NULL; } + pci_vpd_pci22_init(dev); + return dev; } @@ -946,7 +979,6 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus) * Add the device to our list of discovered devices * and the bus list for fixup functions, etc. */ - INIT_LIST_HEAD(&dev->global_list); down_write(&pci_bus_sem); list_add_tail(&dev->bus_list, &bus->devices); up_write(&pci_bus_sem); @@ -973,7 +1005,7 @@ EXPORT_SYMBOL(pci_scan_single_device); * * Scan a PCI slot on the specified PCI bus for devices, adding * discovered devices to the @bus->devices list. New devices - * will have an empty dev->global_list head. + * will not have is_added set. */ int pci_scan_slot(struct pci_bus *bus, int devfn) { @@ -1005,6 +1037,10 @@ int pci_scan_slot(struct pci_bus *bus, int devfn) break; } } + + if (bus->self) + pcie_aspm_init_link_state(bus->self); + return nr; } @@ -1175,7 +1211,7 @@ static void __init pci_insertion_sort_klist(struct pci_dev *a, struct list_head list_move_tail(&a->dev.knode_bus.n_node, list); } -static void __init pci_sort_breadthfirst_klist(void) +void __init pci_sort_breadthfirst(void) { LIST_HEAD(sorted_devices); struct list_head *pos, *tmp; @@ -1196,36 +1232,3 @@ static void __init pci_sort_breadthfirst_klist(void) list_splice(&sorted_devices, &device_klist->k_list); spin_unlock(&device_klist->k_lock); } - -static void __init pci_insertion_sort_devices(struct pci_dev *a, struct list_head *list) -{ - struct pci_dev *b; - - list_for_each_entry(b, list, global_list) { - if (pci_sort_bf_cmp(a, b) <= 0) { - list_move_tail(&a->global_list, &b->global_list); - return; - } - } - list_move_tail(&a->global_list, list); -} - -static void __init pci_sort_breadthfirst_devices(void) -{ - LIST_HEAD(sorted_devices); - struct pci_dev *dev, *tmp; - - down_write(&pci_bus_sem); - list_for_each_entry_safe(dev, tmp, &pci_devices, global_list) { - pci_insertion_sort_devices(dev, &sorted_devices); - } - list_splice(&sorted_devices, &pci_devices); - up_write(&pci_bus_sem); -} - -void __init pci_sort_breadthfirst(void) -{ - pci_sort_breadthfirst_devices(); - pci_sort_breadthfirst_klist(); -} - diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index e887aa45c9cd..afd914ebe215 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1502,8 +1502,8 @@ static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_f if ((f->vendor == dev->vendor || f->vendor == (u16) PCI_ANY_ID) && (f->device == dev->device || f->device == (u16) PCI_ANY_ID)) { #ifdef DEBUG - dev_dbg(&dev->dev, "calling quirk 0x%p", f->hook); - print_fn_descriptor_symbol(": %s()\n", + dev_dbg(&dev->dev, "calling "); + print_fn_descriptor_symbol("%s()\n", (unsigned long) f->hook); #endif f->hook(dev); @@ -1648,13 +1648,24 @@ static void __devinit quirk_via_cx700_pci_parking_caching(struct pci_dev *dev) /* Turn off PCI Bus Parking */ pci_write_config_byte(dev, 0x76, b ^ 0x40); + dev_info(&dev->dev, + "Disabling VIA CX700 PCI parking\n"); + } + } + + if (pci_read_config_byte(dev, 0x72, &b) == 0) { + if (b != 0) { /* Turn off PCI Master read caching */ pci_write_config_byte(dev, 0x72, 0x0); + + /* Set PCI Master Bus time-out to "1x16 PCLK" */ pci_write_config_byte(dev, 0x75, 0x1); + + /* Disable "Read FIFO Timer" */ pci_write_config_byte(dev, 0x77, 0x0); dev_info(&dev->dev, - "Disabling VIA CX700 PCI parking/caching\n"); + "Disabling VIA CX700 PCI caching\n"); } } } diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c index 9684e1bde277..bdc2a44d68e1 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c @@ -1,5 +1,6 @@ #include <linux/pci.h> #include <linux/module.h> +#include <linux/pci-aspm.h> #include "pci.h" static void pci_free_resources(struct pci_dev *dev) @@ -18,18 +19,15 @@ static void pci_free_resources(struct pci_dev *dev) static void pci_stop_dev(struct pci_dev *dev) { - if (!dev->global_list.next) - return; - - if (!list_empty(&dev->global_list)) { + if (dev->is_added) { pci_proc_detach_device(dev); pci_remove_sysfs_dev_files(dev); device_unregister(&dev->dev); - down_write(&pci_bus_sem); - list_del(&dev->global_list); - dev->global_list.next = dev->global_list.prev = NULL; - up_write(&pci_bus_sem); + dev->is_added = 0; } + + if (dev->bus->self) + pcie_aspm_exit_link_state(dev); } static void pci_destroy_dev(struct pci_dev *dev) diff --git a/drivers/pci/search.c b/drivers/pci/search.c index 8541034021f0..217814fef4ef 100644 --- a/drivers/pci/search.c +++ b/drivers/pci/search.c @@ -114,31 +114,63 @@ pci_find_next_bus(const struct pci_bus *from) } #ifdef CONFIG_PCI_LEGACY - /** * pci_find_slot - locate PCI device from a given PCI slot * @bus: number of PCI bus on which desired PCI device resides - * @devfn: encodes number of PCI slot in which the desired PCI - * device resides and the logical device number within that slot + * @devfn: encodes number of PCI slot in which the desired PCI + * device resides and the logical device number within that slot * in case of multi-function devices. * - * Given a PCI bus and slot/function number, the desired PCI device + * Given a PCI bus and slot/function number, the desired PCI device * is located in system global list of PCI devices. If the device - * is found, a pointer to its data structure is returned. If no + * is found, a pointer to its data structure is returned. If no * device is found, %NULL is returned. + * + * NOTE: Do not use this function any more; use pci_get_slot() instead, as + * the PCI device returned by this function can disappear at any moment in + * time. */ -struct pci_dev * -pci_find_slot(unsigned int bus, unsigned int devfn) +struct pci_dev *pci_find_slot(unsigned int bus, unsigned int devfn) { struct pci_dev *dev = NULL; - while ((dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { - if (dev->bus->number == bus && dev->devfn == devfn) + while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { + if (dev->bus->number == bus && dev->devfn == devfn) { + pci_dev_put(dev); return dev; + } } return NULL; } +EXPORT_SYMBOL(pci_find_slot); + +/** + * pci_find_device - begin or continue searching for a PCI device by vendor/device id + * @vendor: PCI vendor id to match, or %PCI_ANY_ID to match all vendor ids + * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids + * @from: Previous PCI device found in search, or %NULL for new search. + * + * Iterates through the list of known PCI devices. If a PCI device is found + * with a matching @vendor and @device, a pointer to its device structure is + * returned. Otherwise, %NULL is returned. + * A new search is initiated by passing %NULL as the @from argument. + * Otherwise if @from is not %NULL, searches continue from next device + * on the global list. + * + * NOTE: Do not use this function any more; use pci_get_device() instead, as + * the PCI device returned by this function can disappear at any moment in + * time. + */ +struct pci_dev *pci_find_device(unsigned int vendor, unsigned int device, + const struct pci_dev *from) +{ + struct pci_dev *pdev; + pdev = pci_get_subsys(vendor, device, PCI_ANY_ID, PCI_ANY_ID, from); + pci_dev_put(pdev); + return pdev; +} +EXPORT_SYMBOL(pci_find_device); #endif /* CONFIG_PCI_LEGACY */ /** @@ -204,86 +236,52 @@ struct pci_dev * pci_get_bus_and_slot(unsigned int bus, unsigned int devfn) return NULL; } -#ifdef CONFIG_PCI_LEGACY -/** - * pci_find_subsys - begin or continue searching for a PCI device by vendor/subvendor/device/subdevice id - * @vendor: PCI vendor id to match, or %PCI_ANY_ID to match all vendor ids - * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids - * @ss_vendor: PCI subsystem vendor id to match, or %PCI_ANY_ID to match all vendor ids - * @ss_device: PCI subsystem device id to match, or %PCI_ANY_ID to match all device ids - * @from: Previous PCI device found in search, or %NULL for new search. - * - * Iterates through the list of known PCI devices. If a PCI device is - * found with a matching @vendor, @device, @ss_vendor and @ss_device, a - * pointer to its device structure is returned. Otherwise, %NULL is returned. - * A new search is initiated by passing %NULL as the @from argument. - * Otherwise if @from is not %NULL, searches continue from next device - * on the global list. - * - * NOTE: Do not use this function any more; use pci_get_subsys() instead, as - * the PCI device returned by this function can disappear at any moment in - * time. - */ -static struct pci_dev * pci_find_subsys(unsigned int vendor, - unsigned int device, - unsigned int ss_vendor, - unsigned int ss_device, - const struct pci_dev *from) +static int match_pci_dev_by_id(struct device *dev, void *data) { - struct list_head *n; - struct pci_dev *dev; - - WARN_ON(in_interrupt()); + struct pci_dev *pdev = to_pci_dev(dev); + struct pci_device_id *id = data; - /* - * pci_find_subsys() can be called on the ide_setup() path, super-early - * in boot. But the down_read() will enable local interrupts, which - * can cause some machines to crash. So here we detect and flag that - * situation and bail out early. - */ - if (unlikely(no_pci_devices())) - return NULL; - down_read(&pci_bus_sem); - n = from ? from->global_list.next : pci_devices.next; - - while (n && (n != &pci_devices)) { - dev = pci_dev_g(n); - if ((vendor == PCI_ANY_ID || dev->vendor == vendor) && - (device == PCI_ANY_ID || dev->device == device) && - (ss_vendor == PCI_ANY_ID || dev->subsystem_vendor == ss_vendor) && - (ss_device == PCI_ANY_ID || dev->subsystem_device == ss_device)) - goto exit; - n = n->next; - } - dev = NULL; -exit: - up_read(&pci_bus_sem); - return dev; + if (pci_match_one_device(id, pdev)) + return 1; + return 0; } -/** - * pci_find_device - begin or continue searching for a PCI device by vendor/device id - * @vendor: PCI vendor id to match, or %PCI_ANY_ID to match all vendor ids - * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids +/* + * pci_get_dev_by_id - begin or continue searching for a PCI device by id + * @id: pointer to struct pci_device_id to match for the device * @from: Previous PCI device found in search, or %NULL for new search. * * Iterates through the list of known PCI devices. If a PCI device is found - * with a matching @vendor and @device, a pointer to its device structure is - * returned. Otherwise, %NULL is returned. - * A new search is initiated by passing %NULL as the @from argument. - * Otherwise if @from is not %NULL, searches continue from next device - * on the global list. - * - * NOTE: Do not use this function any more; use pci_get_device() instead, as - * the PCI device returned by this function can disappear at any moment in - * time. + * with a matching id a pointer to its device structure is returned, and the + * reference count to the device is incremented. Otherwise, %NULL is returned. + * A new search is initiated by passing %NULL as the @from argument. Otherwise + * if @from is not %NULL, searches continue from next device on the global + * list. The reference count for @from is always decremented if it is not + * %NULL. + * + * This is an internal function for use by the other search functions in + * this file. */ -struct pci_dev * -pci_find_device(unsigned int vendor, unsigned int device, const struct pci_dev *from) +static struct pci_dev *pci_get_dev_by_id(const struct pci_device_id *id, + const struct pci_dev *from) { - return pci_find_subsys(vendor, device, PCI_ANY_ID, PCI_ANY_ID, from); + struct device *dev; + struct device *dev_start = NULL; + struct pci_dev *pdev = NULL; + + WARN_ON(in_interrupt()); + if (from) { + /* FIXME + * take the cast off, when bus_find_device is made const. + */ + dev_start = (struct device *)&from->dev; + } + dev = bus_find_device(&pci_bus_type, dev_start, (void *)id, + match_pci_dev_by_id); + if (dev) + pdev = to_pci_dev(dev); + return pdev; } -#endif /* CONFIG_PCI_LEGACY */ /** * pci_get_subsys - begin or continue searching for a PCI device by vendor/subvendor/device/subdevice id @@ -301,42 +299,34 @@ pci_find_device(unsigned int vendor, unsigned int device, const struct pci_dev * * searches continue from next device on the global list. * The reference count for @from is always decremented if it is not %NULL. */ -struct pci_dev * -pci_get_subsys(unsigned int vendor, unsigned int device, - unsigned int ss_vendor, unsigned int ss_device, - struct pci_dev *from) +struct pci_dev *pci_get_subsys(unsigned int vendor, unsigned int device, + unsigned int ss_vendor, unsigned int ss_device, + const struct pci_dev *from) { - struct list_head *n; - struct pci_dev *dev; - - WARN_ON(in_interrupt()); + struct pci_dev *pdev; + struct pci_device_id *id; /* - * pci_get_subsys() can potentially be called by drivers super-early - * in boot. But the down_read() will enable local interrupts, which - * can cause some machines to crash. So here we detect and flag that - * situation and bail out early. + * pci_find_subsys() can be called on the ide_setup() path, + * super-early in boot. But the down_read() will enable local + * interrupts, which can cause some machines to crash. So here we + * detect and flag that situation and bail out early. */ if (unlikely(no_pci_devices())) return NULL; - down_read(&pci_bus_sem); - n = from ? from->global_list.next : pci_devices.next; - - while (n && (n != &pci_devices)) { - dev = pci_dev_g(n); - if ((vendor == PCI_ANY_ID || dev->vendor == vendor) && - (device == PCI_ANY_ID || dev->device == device) && - (ss_vendor == PCI_ANY_ID || dev->subsystem_vendor == ss_vendor) && - (ss_device == PCI_ANY_ID || dev->subsystem_device == ss_device)) - goto exit; - n = n->next; - } - dev = NULL; -exit: - dev = pci_dev_get(dev); - up_read(&pci_bus_sem); - pci_dev_put(from); - return dev; + + id = kzalloc(sizeof(*id), GFP_KERNEL); + if (!id) + return NULL; + id->vendor = vendor; + id->device = device; + id->subvendor = ss_vendor; + id->subdevice = ss_device; + + pdev = pci_get_dev_by_id(id, from); + kfree(id); + + return pdev; } /** @@ -360,46 +350,6 @@ pci_get_device(unsigned int vendor, unsigned int device, struct pci_dev *from) } /** - * pci_get_device_reverse - begin or continue searching for a PCI device by vendor/device id - * @vendor: PCI vendor id to match, or %PCI_ANY_ID to match all vendor ids - * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids - * @from: Previous PCI device found in search, or %NULL for new search. - * - * Iterates through the list of known PCI devices in the reverse order of - * pci_get_device. - * If a PCI device is found with a matching @vendor and @device, the reference - * count to the device is incremented and a pointer to its device structure - * is returned Otherwise, %NULL is returned. A new search is initiated by - * passing %NULL as the @from argument. Otherwise if @from is not %NULL, - * searches continue from next device on the global list. The reference - * count for @from is always decremented if it is not %NULL. - */ -struct pci_dev * -pci_get_device_reverse(unsigned int vendor, unsigned int device, struct pci_dev *from) -{ - struct list_head *n; - struct pci_dev *dev; - - WARN_ON(in_interrupt()); - down_read(&pci_bus_sem); - n = from ? from->global_list.prev : pci_devices.prev; - - while (n && (n != &pci_devices)) { - dev = pci_dev_g(n); - if ((vendor == PCI_ANY_ID || dev->vendor == vendor) && - (device == PCI_ANY_ID || dev->device == device)) - goto exit; - n = n->prev; - } - dev = NULL; -exit: - dev = pci_dev_get(dev); - up_read(&pci_bus_sem); - pci_dev_put(from); - return dev; -} - -/** * pci_get_class - begin or continue searching for a PCI device by class * @class: search for a PCI device with this class designation * @from: Previous PCI device found in search, or %NULL for new search. @@ -415,46 +365,21 @@ exit: */ struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from) { - struct list_head *n; struct pci_dev *dev; + struct pci_device_id *id; - WARN_ON(in_interrupt()); - down_read(&pci_bus_sem); - n = from ? from->global_list.next : pci_devices.next; + id = kzalloc(sizeof(*id), GFP_KERNEL); + if (!id) + return NULL; + id->vendor = id->device = id->subvendor = id->subdevice = PCI_ANY_ID; + id->class_mask = PCI_ANY_ID; + id->class = class; - while (n && (n != &pci_devices)) { - dev = pci_dev_g(n); - if (dev->class == class) - goto exit; - n = n->next; - } - dev = NULL; -exit: - dev = pci_dev_get(dev); - up_read(&pci_bus_sem); - pci_dev_put(from); + dev = pci_get_dev_by_id(id, from); + kfree(id); return dev; } -const struct pci_device_id *pci_find_present(const struct pci_device_id *ids) -{ - struct pci_dev *dev; - const struct pci_device_id *found = NULL; - - WARN_ON(in_interrupt()); - down_read(&pci_bus_sem); - while (ids->vendor || ids->subvendor || ids->class_mask) { - list_for_each_entry(dev, &pci_devices, global_list) { - if ((found = pci_match_one_device(ids, dev)) != NULL) - goto exit; - } - ids++; - } -exit: - up_read(&pci_bus_sem); - return found; -} - /** * pci_dev_present - Returns 1 if device matching the device list is present, 0 if not. * @ids: A pointer to a null terminated list of struct pci_device_id structures @@ -468,23 +393,27 @@ exit: */ int pci_dev_present(const struct pci_device_id *ids) { - return pci_find_present(ids) == NULL ? 0 : 1; -} + struct pci_dev *found = NULL; + WARN_ON(in_interrupt()); + while (ids->vendor || ids->subvendor || ids->class_mask) { + found = pci_get_dev_by_id(ids, NULL); + if (found) + goto exit; + ids++; + } +exit: + if (found) + return 1; + return 0; +} EXPORT_SYMBOL(pci_dev_present); -EXPORT_SYMBOL(pci_find_present); - -#ifdef CONFIG_PCI_LEGACY -EXPORT_SYMBOL(pci_find_device); -EXPORT_SYMBOL(pci_find_slot); -#endif /* CONFIG_PCI_LEGACY */ /* For boot time work */ EXPORT_SYMBOL(pci_find_bus); EXPORT_SYMBOL(pci_find_next_bus); /* For everyone */ EXPORT_SYMBOL(pci_get_device); -EXPORT_SYMBOL(pci_get_device_reverse); EXPORT_SYMBOL(pci_get_subsys); EXPORT_SYMBOL(pci_get_slot); EXPORT_SYMBOL(pci_get_bus_and_slot); diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index f7cb8e0758b4..8ddb918f5f57 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -65,6 +65,7 @@ static void pbus_assign_resources_sorted(struct pci_bus *bus) res = list->res; idx = res - &list->dev->resource[0]; if (pci_assign_resource(list->dev, idx)) { + /* FIXME: get rid of this */ res->start = 0; res->end = 0; res->flags = 0; @@ -144,8 +145,7 @@ EXPORT_SYMBOL(pci_setup_cardbus); config space writes, so it's quite possible that an I/O window of the bridge will have some undesirable address (e.g. 0) after the first write. Ditto 64-bit prefetchable MMIO. */ -static void __devinit -pci_setup_bridge(struct pci_bus *bus) +static void pci_setup_bridge(struct pci_bus *bus) { struct pci_dev *bridge = bus->self; struct pci_bus_region region; @@ -327,6 +327,7 @@ static void pbus_size_io(struct pci_bus *bus) /* Alignment of the IO window is always 4K */ b_res->start = 4096; b_res->end = b_res->start + size - 1; + b_res->flags |= IORESOURCE_STARTALIGN; } /* Calculate the size of the bus and minimal alignment which @@ -401,11 +402,11 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask, unsigned long } b_res->start = min_align; b_res->end = size + min_align - 1; + b_res->flags |= IORESOURCE_STARTALIGN; return 1; } -static void __devinit -pci_bus_size_cardbus(struct pci_bus *bus) +static void pci_bus_size_cardbus(struct pci_bus *bus) { struct pci_dev *bridge = bus->self; struct resource *b_res = &bridge->resource[PCI_BRIDGE_RESOURCES]; @@ -415,13 +416,13 @@ pci_bus_size_cardbus(struct pci_bus *bus) * Reserve some resources for CardBus. We reserve * a fixed amount of bus space for CardBus bridges. */ - b_res[0].start = pci_cardbus_io_size; - b_res[0].end = b_res[0].start + pci_cardbus_io_size - 1; - b_res[0].flags |= IORESOURCE_IO; + b_res[0].start = 0; + b_res[0].end = pci_cardbus_io_size - 1; + b_res[0].flags |= IORESOURCE_IO | IORESOURCE_SIZEALIGN; - b_res[1].start = pci_cardbus_io_size; - b_res[1].end = b_res[1].start + pci_cardbus_io_size - 1; - b_res[1].flags |= IORESOURCE_IO; + b_res[1].start = 0; + b_res[1].end = pci_cardbus_io_size - 1; + b_res[1].flags |= IORESOURCE_IO | IORESOURCE_SIZEALIGN; /* * Check whether prefetchable memory is supported @@ -440,17 +441,17 @@ pci_bus_size_cardbus(struct pci_bus *bus) * twice the size. */ if (ctrl & PCI_CB_BRIDGE_CTL_PREFETCH_MEM0) { - b_res[2].start = pci_cardbus_mem_size; - b_res[2].end = b_res[2].start + pci_cardbus_mem_size - 1; - b_res[2].flags |= IORESOURCE_MEM | IORESOURCE_PREFETCH; + b_res[2].start = 0; + b_res[2].end = pci_cardbus_mem_size - 1; + b_res[2].flags |= IORESOURCE_MEM | IORESOURCE_PREFETCH | IORESOURCE_SIZEALIGN; - b_res[3].start = pci_cardbus_mem_size; - b_res[3].end = b_res[3].start + pci_cardbus_mem_size - 1; - b_res[3].flags |= IORESOURCE_MEM; + b_res[3].start = 0; + b_res[3].end = pci_cardbus_mem_size - 1; + b_res[3].flags |= IORESOURCE_MEM | IORESOURCE_SIZEALIGN; } else { - b_res[3].start = pci_cardbus_mem_size * 2; - b_res[3].end = b_res[3].start + pci_cardbus_mem_size * 2 - 1; - b_res[3].flags |= IORESOURCE_MEM; + b_res[3].start = 0; + b_res[3].end = pci_cardbus_mem_size * 2 - 1; + b_res[3].flags |= IORESOURCE_MEM | IORESOURCE_SIZEALIGN; } } diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 4be7ccf7e3ae..7d35cdf4579f 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -137,10 +137,16 @@ int pci_assign_resource(struct pci_dev *dev, int resno) size = res->end - res->start + 1; min = (res->flags & IORESOURCE_IO) ? PCIBIOS_MIN_IO : PCIBIOS_MIN_MEM; - /* The bridge resources are special, as their - size != alignment. Sizing routines return - required alignment in the "start" field. */ - align = (resno < PCI_BRIDGE_RESOURCES) ? size : res->start; + + align = resource_alignment(res); + if (!align) { + printk(KERN_ERR "PCI: Cannot allocate resource (bogus " + "alignment) %d [%llx:%llx] (flags %lx) of %s\n", + resno, (unsigned long long)res->start, + (unsigned long long)res->end, res->flags, + pci_name(dev)); + return -EINVAL; + } /* First, try exact prefetching match.. */ ret = pci_bus_alloc_resource(bus, res, size, align, min, @@ -164,14 +170,16 @@ int pci_assign_resource(struct pci_dev *dev, int resno) res->flags & IORESOURCE_IO ? "I/O" : "mem", resno, (unsigned long long)size, (unsigned long long)res->start, pci_name(dev)); - } else if (resno < PCI_BRIDGE_RESOURCES) { - pci_update_resource(dev, res, resno); + } else { + res->flags &= ~IORESOURCE_STARTALIGN; + if (resno < PCI_BRIDGE_RESOURCES) + pci_update_resource(dev, res, resno); } return ret; } -#ifdef CONFIG_EMBEDDED +#if 0 int pci_assign_resource_fixed(struct pci_dev *dev, int resno) { struct pci_bus *bus = dev->bus; @@ -226,29 +234,25 @@ void pdev_sort_resources(struct pci_dev *dev, struct resource_list *head) if (r->flags & IORESOURCE_PCI_FIXED) continue; - r_align = r->end - r->start; - if (!(r->flags) || r->parent) continue; + + r_align = resource_alignment(r); if (!r_align) { - printk(KERN_WARNING "PCI: Ignore bogus resource %d " - "[%llx:%llx] of %s\n", + printk(KERN_WARNING "PCI: bogus alignment of resource " + "%d [%llx:%llx] (flags %lx) of %s\n", i, (unsigned long long)r->start, - (unsigned long long)r->end, pci_name(dev)); + (unsigned long long)r->end, r->flags, + pci_name(dev)); continue; } - r_align = (i < PCI_BRIDGE_RESOURCES) ? r_align + 1 : r->start; for (list = head; ; list = list->next) { resource_size_t align = 0; struct resource_list *ln = list->next; - int idx; - if (ln) { - idx = ln->res - &ln->dev->resource[0]; - align = (idx < PCI_BRIDGE_RESOURCES) ? - ln->res->end - ln->res->start + 1 : - ln->res->start; - } + if (ln) + align = resource_alignment(ln->res); + if (r_align > align) { tmp = kmalloc(sizeof(*tmp), GFP_KERNEL); if (!tmp) @@ -263,3 +267,46 @@ void pdev_sort_resources(struct pci_dev *dev, struct resource_list *head) } } } + +int pci_enable_resources(struct pci_dev *dev, int mask) +{ + u16 cmd, old_cmd; + int i; + struct resource *r; + + pci_read_config_word(dev, PCI_COMMAND, &cmd); + old_cmd = cmd; + + for (i = 0; i < PCI_NUM_RESOURCES; i++) { + if (!(mask & (1 << i))) + continue; + + r = &dev->resource[i]; + + if (!(r->flags & (IORESOURCE_IO | IORESOURCE_MEM))) + continue; + if ((i == PCI_ROM_RESOURCE) && + (!(r->flags & IORESOURCE_ROM_ENABLE))) + continue; + + if (!r->parent) { + dev_err(&dev->dev, "device not available because of " + "BAR %d [%llx:%llx] collisions\n", i, + (unsigned long long) r->start, + (unsigned long long) r->end); + return -EINVAL; + } + + if (r->flags & IORESOURCE_IO) + cmd |= PCI_COMMAND_IO; + if (r->flags & IORESOURCE_MEM) + cmd |= PCI_COMMAND_MEMORY; + } + + if (cmd != old_cmd) { + dev_info(&dev->dev, "enabling device (%04x -> %04x)\n", + old_cmd, cmd); + pci_write_config_word(dev, PCI_COMMAND, cmd); + } + return 0; +} |