diff options
Diffstat (limited to 'drivers/pci')
41 files changed, 168 insertions, 229 deletions
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile index 3d102dd87c9f..0b51857fbaf7 100644 --- a/drivers/pci/Makefile +++ b/drivers/pci/Makefile @@ -48,6 +48,7 @@ obj-$(CONFIG_PPC) += setup-bus.o obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o obj-$(CONFIG_X86_VISWS) += setup-irq.o obj-$(CONFIG_MN10300) += setup-bus.o +obj-$(CONFIG_MICROBLAZE) += setup-bus.o # # ACPI Related PCI FW Functions diff --git a/drivers/pci/access.c b/drivers/pci/access.c index db23200c4874..2f646fe1260f 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -2,6 +2,7 @@ #include <linux/pci.h> #include <linux/module.h> #include <linux/sched.h> +#include <linux/slab.h> #include <linux/ioport.h> #include <linux/wait.h> diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 712250f5874a..628ea20a8841 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -14,6 +14,7 @@ #include <linux/ioport.h> #include <linux/proc_fs.h> #include <linux/init.h> +#include <linux/slab.h> #include "pci.h" @@ -288,9 +289,9 @@ void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *), next = dev->bus_list.next; /* Run device routines with the device locked */ - down(&dev->dev.sem); + device_lock(&dev->dev); retval = cb(dev, userdata); - up(&dev->dev.sem); + device_unlock(&dev->dev); if (retval) break; } diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 83aae4747594..33ead97f0c4b 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -35,6 +35,7 @@ #include <linux/interrupt.h> #include <linux/tboot.h> #include <linux/dmi.h> +#include <linux/slab.h> #define PREFIX "DMAR: " diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c index 3c76fc67cf0e..45fcc1e96df9 100644 --- a/drivers/pci/hotplug/acpi_pcihp.c +++ b/drivers/pci/hotplug/acpi_pcihp.c @@ -32,6 +32,7 @@ #include <linux/pci_hotplug.h> #include <linux/acpi.h> #include <linux/pci-acpi.h> +#include <linux/slab.h> #define MY_NAME "acpi_pcihp" diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index cb2fd01eddae..cb23aa2ebf96 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -47,6 +47,7 @@ #include <linux/pci_hotplug.h> #include <linux/pci-acpi.h> #include <linux/mutex.h> +#include <linux/slab.h> #include "../pci.h" #include "acpiphp.h" @@ -749,6 +750,24 @@ static int acpiphp_bus_trim(acpi_handle handle) return retval; } +static void acpiphp_set_acpi_region(struct acpiphp_slot *slot) +{ + struct acpiphp_func *func; + union acpi_object params[2]; + struct acpi_object_list arg_list; + + list_for_each_entry(func, &slot->funcs, sibling) { + arg_list.count = 2; + arg_list.pointer = params; + params[0].type = ACPI_TYPE_INTEGER; + params[0].integer.value = ACPI_ADR_SPACE_PCI_CONFIG; + params[1].type = ACPI_TYPE_INTEGER; + params[1].integer.value = 1; + /* _REG is optional, we don't care about if there is failure */ + acpi_evaluate_object(func->handle, "_REG", &arg_list, NULL); + } +} + /** * enable_device - enable, configure a slot * @slot: slot to be enabled @@ -805,6 +824,7 @@ static int __ref enable_device(struct acpiphp_slot *slot) pci_bus_assign_resources(bus); acpiphp_sanitize_bus(bus); acpiphp_set_hpp_values(bus); + acpiphp_set_acpi_region(slot); pci_enable_bridges(bus); pci_bus_add_devices(bus); diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c index aa5df485f8cf..6ecbfb27db9d 100644 --- a/drivers/pci/hotplug/acpiphp_ibm.c +++ b/drivers/pci/hotplug/acpiphp_ibm.c @@ -26,6 +26,7 @@ */ #include <linux/init.h> +#include <linux/slab.h> #include <linux/module.h> #include <linux/kernel.h> #include <acpi/acpi_bus.h> diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c index f184d1d2ecbe..6644337d63d6 100644 --- a/drivers/pci/hotplug/cpqphp_core.c +++ b/drivers/pci/hotplug/cpqphp_core.c @@ -848,7 +848,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_disable_device; } - /* Check for the proper subsytem ID's + /* Check for the proper subsystem ID's * Intel uses a different SSID programming model than Compaq. * For Intel, each SSID bit identifies a PHP capability. * Also Intel HPC's may have RID=0. diff --git a/drivers/pci/hotplug/cpqphp_sysfs.c b/drivers/pci/hotplug/cpqphp_sysfs.c index e6089bdb6e5b..56215322930a 100644 --- a/drivers/pci/hotplug/cpqphp_sysfs.c +++ b/drivers/pci/hotplug/cpqphp_sysfs.c @@ -28,6 +28,7 @@ #include <linux/module.h> #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/proc_fs.h> #include <linux/workqueue.h> diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c index 6151389fd903..5317e4d7d96e 100644 --- a/drivers/pci/hotplug/fakephp.c +++ b/drivers/pci/hotplug/fakephp.c @@ -19,6 +19,7 @@ #include <linux/init.h> #include <linux/pci.h> #include <linux/device.h> +#include <linux/slab.h> #include "../pci.h" struct legacy_slot { @@ -73,7 +74,7 @@ static void legacy_release(struct kobject *kobj) } static struct kobj_type legacy_ktype = { - .sysfs_ops = &(struct sysfs_ops){ + .sysfs_ops = &(const struct sysfs_ops){ .store = legacy_store, .show = legacy_show }, .release = &legacy_release, diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c index 728b119f71ad..6d2eea93298f 100644 --- a/drivers/pci/hotplug/pci_hotplug_core.c +++ b/drivers/pci/hotplug/pci_hotplug_core.c @@ -33,7 +33,6 @@ #include <linux/kobject.h> #include <linux/sysfs.h> #include <linux/pagemap.h> -#include <linux/slab.h> #include <linux/init.h> #include <linux/mount.h> #include <linux/namei.h> diff --git a/drivers/pci/hotplug/pciehp_acpi.c b/drivers/pci/hotplug/pciehp_acpi.c index b09b083011d6..1f4000a5a108 100644 --- a/drivers/pci/hotplug/pciehp_acpi.c +++ b/drivers/pci/hotplug/pciehp_acpi.c @@ -26,6 +26,7 @@ #include <linux/acpi.h> #include <linux/pci.h> #include <linux/pci_hotplug.h> +#include <linux/slab.h> #include "pciehp.h" #define PCIEHP_DETECT_PCIE (0) diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 920f820edf87..3588ea61b0dd 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -30,6 +30,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/pci.h> #include "pciehp.h" diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 9a7f247e8ac1..8f58148be044 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -30,6 +30,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/types.h> +#include <linux/slab.h> #include <linux/pci.h> #include <linux/workqueue.h> #include "../pci.h" diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 40b48f569b1e..0cd42047d89b 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -36,6 +36,7 @@ #include <linux/pci.h> #include <linux/interrupt.h> #include <linux/time.h> +#include <linux/slab.h> #include "../pci.h" #include "pciehp.h" @@ -832,9 +833,8 @@ static inline void dbg_ctrl(struct controller *ctrl) for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { if (!pci_resource_len(pdev, i)) continue; - ctrl_info(ctrl, " PCI resource [%d] : 0x%llx@0x%llx\n", - i, (unsigned long long)pci_resource_len(pdev, i), - (unsigned long long)pci_resource_start(pdev, i)); + ctrl_info(ctrl, " PCI resource [%d] : %pR\n", + i, &pdev->resource[i]); } ctrl_info(ctrl, "Slot Capabilities : 0x%08x\n", ctrl->slot_cap); ctrl_info(ctrl, " Physical Slot Number : %d\n", PSN(ctrl)); diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c index 4e3e0382c16e..083034710fa6 100644 --- a/drivers/pci/hotplug/rpadlpar_core.c +++ b/drivers/pci/hotplug/rpadlpar_core.c @@ -20,6 +20,7 @@ #include <linux/init.h> #include <linux/pci.h> #include <linux/string.h> +#include <linux/vmalloc.h> #include <asm/pci-bridge.h> #include <linux/mutex.h> @@ -430,6 +431,8 @@ int dlpar_remove_slot(char *drc_name) rc = dlpar_remove_pci_slot(drc_name, dn); break; } + vm_unmap_aliases(); + printk(KERN_INFO "%s: slot %s removed\n", DLPAR_MODULE_NAME, drc_name); exit: mutex_unlock(&rpadlpar_mutex); diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c index dcaae725fd79..ef7411c660b9 100644 --- a/drivers/pci/hotplug/rpaphp_core.c +++ b/drivers/pci/hotplug/rpaphp_core.c @@ -27,9 +27,9 @@ #include <linux/moduleparam.h> #include <linux/pci.h> #include <linux/pci_hotplug.h> -#include <linux/slab.h> #include <linux/smp.h> #include <linux/init.h> +#include <linux/vmalloc.h> #include <asm/eeh.h> /* for eeh_add_device() */ #include <asm/rtas.h> /* rtas_call */ #include <asm/pci-bridge.h> /* for pci_controller */ @@ -419,6 +419,8 @@ static int disable_slot(struct hotplug_slot *hotplug_slot) return -EINVAL; pcibios_remove_pci_devices(slot->bus); + vm_unmap_aliases(); + slot->state = NOT_CONFIGURED; return 0; } diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c index 8aebe1e9d3d6..72d507b6a2aa 100644 --- a/drivers/pci/hotplug/sgi_hotplug.c +++ b/drivers/pci/hotplug/sgi_hotplug.c @@ -15,6 +15,7 @@ #include <linux/pci.h> #include <linux/pci_hotplug.h> #include <linux/proc_fs.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/mutex.h> diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c index a5062297f488..a7bd5048396e 100644 --- a/drivers/pci/hotplug/shpchp_core.c +++ b/drivers/pci/hotplug/shpchp_core.c @@ -31,6 +31,7 @@ #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/types.h> +#include <linux/slab.h> #include <linux/pci.h> #include <linux/workqueue.h> #include "shpchp.h" diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c index 3bba0c0888ff..3387fbfb0c54 100644 --- a/drivers/pci/hotplug/shpchp_ctrl.c +++ b/drivers/pci/hotplug/shpchp_ctrl.c @@ -30,6 +30,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/types.h> +#include <linux/slab.h> #include <linux/pci.h> #include <linux/workqueue.h> #include "../pci.h" diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c index 737a1c44b07a..98abf8b91294 100644 --- a/drivers/pci/htirq.c +++ b/drivers/pci/htirq.c @@ -10,7 +10,6 @@ #include <linux/pci.h> #include <linux/spinlock.h> #include <linux/slab.h> -#include <linux/gfp.h> #include <linux/htirq.h> /* Global ht irq lock. diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 417312528ddf..371dc564e2e4 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -3626,14 +3626,15 @@ static void intel_iommu_detach_device(struct iommu_domain *domain, domain_remove_one_dev_info(dmar_domain, pdev); } -static int intel_iommu_map_range(struct iommu_domain *domain, - unsigned long iova, phys_addr_t hpa, - size_t size, int iommu_prot) +static int intel_iommu_map(struct iommu_domain *domain, + unsigned long iova, phys_addr_t hpa, + int gfp_order, int iommu_prot) { struct dmar_domain *dmar_domain = domain->priv; u64 max_addr; int addr_width; int prot = 0; + size_t size; int ret; if (iommu_prot & IOMMU_READ) @@ -3643,6 +3644,7 @@ static int intel_iommu_map_range(struct iommu_domain *domain, if ((iommu_prot & IOMMU_CACHE) && dmar_domain->iommu_snooping) prot |= DMA_PTE_SNP; + size = PAGE_SIZE << gfp_order; max_addr = iova + size; if (dmar_domain->max_addr < max_addr) { int min_agaw; @@ -3669,19 +3671,19 @@ static int intel_iommu_map_range(struct iommu_domain *domain, return ret; } -static void intel_iommu_unmap_range(struct iommu_domain *domain, - unsigned long iova, size_t size) +static int intel_iommu_unmap(struct iommu_domain *domain, + unsigned long iova, int gfp_order) { struct dmar_domain *dmar_domain = domain->priv; - - if (!size) - return; + size_t size = PAGE_SIZE << gfp_order; dma_pte_clear_range(dmar_domain, iova >> VTD_PAGE_SHIFT, (iova + size - 1) >> VTD_PAGE_SHIFT); if (dmar_domain->max_addr == iova + size) dmar_domain->max_addr = iova; + + return gfp_order; } static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain, @@ -3714,8 +3716,8 @@ static struct iommu_ops intel_iommu_ops = { .domain_destroy = intel_iommu_domain_destroy, .attach_dev = intel_iommu_attach_device, .detach_dev = intel_iommu_detach_device, - .map = intel_iommu_map_range, - .unmap = intel_iommu_unmap_range, + .map = intel_iommu_map, + .unmap = intel_iommu_unmap, .iova_to_phys = intel_iommu_iova_to_phys, .domain_has_cap = intel_iommu_domain_has_cap, }; diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index 95b849130ad4..6ee98a56946f 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -1,6 +1,7 @@ #include <linux/interrupt.h> #include <linux/dmar.h> #include <linux/spinlock.h> +#include <linux/slab.h> #include <linux/jiffies.h> #include <linux/hpet.h> #include <linux/pci.h> diff --git a/drivers/pci/ioapic.c b/drivers/pci/ioapic.c index 3e0d7b5dd1b9..203508b227b7 100644 --- a/drivers/pci/ioapic.c +++ b/drivers/pci/ioapic.c @@ -18,6 +18,7 @@ #include <linux/pci.h> #include <linux/acpi.h> +#include <linux/slab.h> #include <acpi/acpi_bus.h> struct ioapic { @@ -31,9 +32,9 @@ static int ioapic_probe(struct pci_dev *dev, const struct pci_device_id *ent) acpi_status status; unsigned long long gsb; struct ioapic *ioapic; - u64 addr; int ret; char *type; + struct resource *res; handle = DEVICE_ACPI_HANDLE(&dev->dev); if (!handle) @@ -69,13 +70,12 @@ static int ioapic_probe(struct pci_dev *dev, const struct pci_device_id *ent) if (pci_request_region(dev, 0, type)) goto exit_disable; - addr = pci_resource_start(dev, 0); - if (acpi_register_ioapic(ioapic->handle, addr, ioapic->gsi_base)) + res = &dev->resource[0]; + if (acpi_register_ioapic(ioapic->handle, res->start, ioapic->gsi_base)) goto exit_release; pci_set_drvdata(dev, ioapic); - dev_info(&dev->dev, "%s at %#llx, GSI %u\n", type, addr, - ioapic->gsi_base); + dev_info(&dev->dev, "%s at %pR, GSI %u\n", type, res, ioapic->gsi_base); return 0; exit_release: diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index 3e5ab2bf6a5c..ce6a3666b3d9 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -9,6 +9,7 @@ */ #include <linux/pci.h> +#include <linux/slab.h> #include <linux/mutex.h> #include <linux/string.h> #include <linux/delay.h> diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index f9cf3173b23d..77b68eaf021e 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -18,6 +18,7 @@ #include <linux/smp.h> #include <linux/errno.h> #include <linux/io.h> +#include <linux/slab.h> #include "pci.h" #include "msi.h" diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 807224ec8351..fad93983bfed 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -23,6 +23,7 @@ #include <linux/mm.h> #include <linux/capability.h> #include <linux/pci-aspm.h> +#include <linux/slab.h> #include "pci.h" static int sysfs_initialized; /* = 0 */ @@ -642,6 +643,7 @@ void pci_create_legacy_files(struct pci_bus *b) if (!b->legacy_io) goto kzalloc_err; + sysfs_bin_attr_init(b->legacy_io); b->legacy_io->attr.name = "legacy_io"; b->legacy_io->size = 0xffff; b->legacy_io->attr.mode = S_IRUSR | S_IWUSR; @@ -655,6 +657,7 @@ void pci_create_legacy_files(struct pci_bus *b) /* Allocated above after the legacy_io struct */ b->legacy_mem = b->legacy_io + 1; + sysfs_bin_attr_init(b->legacy_mem); b->legacy_mem->attr.name = "legacy_mem"; b->legacy_mem->size = 1024*1024; b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR; @@ -800,6 +803,7 @@ static int pci_create_attr(struct pci_dev *pdev, int num, int write_combine) if (res_attr) { char *res_attr_name = (char *)(res_attr + 1); + sysfs_bin_attr_init(res_attr); if (write_combine) { pdev->res_attr_wc[num] = res_attr; sprintf(res_attr_name, "resource%d_wc", num); @@ -972,6 +976,7 @@ static int pci_create_capabilities_sysfs(struct pci_dev *dev) if (!attr) return -ENOMEM; + sysfs_bin_attr_init(attr); attr->size = dev->vpd->len; attr->attr.name = "vpd"; attr->attr.mode = S_IRUSR | S_IWUSR; @@ -1038,6 +1043,7 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) retval = -ENOMEM; goto err_resource_files; } + sysfs_bin_attr_init(attr); attr->size = rom_size; attr->attr.name = "rom"; attr->attr.mode = S_IRUSR; diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 77b493b3d97b..1df7c508814e 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -12,6 +12,7 @@ #include <linux/init.h> #include <linux/pci.h> #include <linux/pm.h> +#include <linux/slab.h> #include <linux/module.h> #include <linux/spinlock.h> #include <linux/string.h> @@ -678,7 +679,7 @@ static void __pci_start_power_transition(struct pci_dev *dev, pci_power_t state) */ int __pci_complete_power_transition(struct pci_dev *dev, pci_power_t state) { - return state > PCI_D0 ? + return state >= PCI_D0 ? pci_platform_power_transition(dev, state) : -EINVAL; } EXPORT_SYMBOL_GPL(__pci_complete_power_transition); @@ -715,10 +716,6 @@ int pci_set_power_state(struct pci_dev *dev, pci_power_t state) */ return 0; - /* Check if we're already there */ - if (dev->current_state == state) - return 0; - __pci_start_power_transition(dev, state); /* This device is quirked not to be put into D3, so @@ -1506,7 +1503,7 @@ int pci_prepare_to_sleep(struct pci_dev *dev) * pci_back_from_sleep - turn PCI device on during system-wide transition into working state * @dev: Device to handle. * - * Disable device's sytem wake-up capability and put it into D0. + * Disable device's system wake-up capability and put it into D0. */ int pci_back_from_sleep(struct pci_dev *dev) { @@ -1583,8 +1580,10 @@ void pci_pm_init(struct pci_dev *dev) int pm; u16 pmc; + pm_runtime_forbid(&dev->dev); device_enable_async_suspend(&dev->dev); dev->wakeup_prepared = false; + dev->pm_cap = 0; /* find PCI PM capability in list */ @@ -2296,35 +2295,6 @@ void pci_msi_off(struct pci_dev *dev) } } -#ifndef HAVE_ARCH_PCI_SET_DMA_MASK -/* - * These can be overridden by arch-specific implementations - */ -int -pci_set_dma_mask(struct pci_dev *dev, u64 mask) -{ - if (!pci_dma_supported(dev, mask)) - return -EIO; - - dev->dma_mask = mask; - dev_dbg(&dev->dev, "using %dbit DMA mask\n", fls64(mask)); - - return 0; -} - -int -pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) -{ - if (!pci_dma_supported(dev, mask)) - return -EIO; - - dev->dev.coherent_dma_mask = mask; - dev_dbg(&dev->dev, "using %dbit consistent DMA mask\n", fls64(mask)); - - return 0; -} -#endif - #ifndef HAVE_ARCH_PCI_SET_DMA_MAX_SEGMENT_SIZE int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size) { @@ -2486,7 +2456,7 @@ static int pci_dev_reset(struct pci_dev *dev, int probe) if (!probe) { pci_block_user_cfg_access(dev); /* block PM suspend, driver probe, etc. */ - down(&dev->dev.sem); + device_lock(&dev->dev); } rc = pci_dev_specific_reset(dev, probe); @@ -2508,7 +2478,7 @@ static int pci_dev_reset(struct pci_dev *dev, int probe) rc = pci_parent_bus_reset(dev, probe); done: if (!probe) { - up(&dev->dev.sem); + device_unlock(&dev->dev); pci_unblock_user_cfg_access(dev); } @@ -2603,18 +2573,17 @@ EXPORT_SYMBOL_GPL(pci_reset_function); */ int pcix_get_max_mmrbc(struct pci_dev *dev) { - int err, cap; + int cap; u32 stat; cap = pci_find_capability(dev, PCI_CAP_ID_PCIX); if (!cap) return -EINVAL; - err = pci_read_config_dword(dev, cap + PCI_X_STATUS, &stat); - if (err) + if (pci_read_config_dword(dev, cap + PCI_X_STATUS, &stat)) return -EINVAL; - return (stat & PCI_X_STATUS_MAX_READ) >> 12; + return 512 << ((stat & PCI_X_STATUS_MAX_READ) >> 21); } EXPORT_SYMBOL(pcix_get_max_mmrbc); @@ -2627,18 +2596,17 @@ EXPORT_SYMBOL(pcix_get_max_mmrbc); */ int pcix_get_mmrbc(struct pci_dev *dev) { - int ret, cap; - u32 cmd; + int cap; + u16 cmd; cap = pci_find_capability(dev, PCI_CAP_ID_PCIX); if (!cap) return -EINVAL; - ret = pci_read_config_dword(dev, cap + PCI_X_CMD, &cmd); - if (!ret) - ret = 512 << ((cmd & PCI_X_CMD_MAX_READ) >> 2); + if (pci_read_config_word(dev, cap + PCI_X_CMD, &cmd)) + return -EINVAL; - return ret; + return 512 << ((cmd & PCI_X_CMD_MAX_READ) >> 2); } EXPORT_SYMBOL(pcix_get_mmrbc); @@ -2653,28 +2621,27 @@ EXPORT_SYMBOL(pcix_get_mmrbc); */ int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc) { - int cap, err = -EINVAL; - u32 stat, cmd, v, o; + int cap; + u32 stat, v, o; + u16 cmd; if (mmrbc < 512 || mmrbc > 4096 || !is_power_of_2(mmrbc)) - goto out; + return -EINVAL; v = ffs(mmrbc) - 10; cap = pci_find_capability(dev, PCI_CAP_ID_PCIX); if (!cap) - goto out; + return -EINVAL; - err = pci_read_config_dword(dev, cap + PCI_X_STATUS, &stat); - if (err) - goto out; + if (pci_read_config_dword(dev, cap + PCI_X_STATUS, &stat)) + return -EINVAL; if (v > (stat & PCI_X_STATUS_MAX_READ) >> 21) return -E2BIG; - err = pci_read_config_dword(dev, cap + PCI_X_CMD, &cmd); - if (err) - goto out; + if (pci_read_config_word(dev, cap + PCI_X_CMD, &cmd)) + return -EINVAL; o = (cmd & PCI_X_CMD_MAX_READ) >> 2; if (o != v) { @@ -2684,10 +2651,10 @@ int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc) cmd &= ~PCI_X_CMD_MAX_READ; cmd |= v << 2; - err = pci_write_config_dword(dev, cap + PCI_X_CMD, cmd); + if (pci_write_config_word(dev, cap + PCI_X_CMD, cmd)) + return -EIO; } -out: - return err; + return 0; } EXPORT_SYMBOL(pcix_set_mmrbc); @@ -3050,7 +3017,6 @@ EXPORT_SYMBOL(pcim_pin_device); EXPORT_SYMBOL(pci_disable_device); EXPORT_SYMBOL(pci_find_capability); EXPORT_SYMBOL(pci_bus_find_capability); -EXPORT_SYMBOL(pci_register_set_vga_state); EXPORT_SYMBOL(pci_release_regions); EXPORT_SYMBOL(pci_request_regions); EXPORT_SYMBOL(pci_request_regions_exclusive); @@ -3066,8 +3032,6 @@ EXPORT_SYMBOL(pci_set_mwi); EXPORT_SYMBOL(pci_try_set_mwi); EXPORT_SYMBOL(pci_clear_mwi); EXPORT_SYMBOL_GPL(pci_intx); -EXPORT_SYMBOL(pci_set_dma_mask); -EXPORT_SYMBOL(pci_set_consistent_dma_mask); EXPORT_SYMBOL(pci_assign_resource); EXPORT_SYMBOL(pci_find_parent_resource); EXPORT_SYMBOL(pci_select_bars); diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 4eb10f48d270..f8077b3c8c8c 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -244,7 +244,7 @@ struct pci_ats { int stu; /* Smallest Translation Unit */ int qdep; /* Invalidate Queue Depth */ int ref_cnt; /* Physical Function reference count */ - int is_enabled:1; /* Enable bit is set */ + unsigned int is_enabled:1; /* Enable bit is set */ }; #ifdef CONFIG_PCI_IOV diff --git a/drivers/pci/pcie/aer/aer_inject.c b/drivers/pci/pcie/aer/aer_inject.c index 223052b73563..f8f425b8731d 100644 --- a/drivers/pci/pcie/aer/aer_inject.c +++ b/drivers/pci/pcie/aer/aer_inject.c @@ -21,6 +21,7 @@ #include <linux/init.h> #include <linux/miscdevice.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/fs.h> #include <linux/uaccess.h> #include <linux/stddef.h> diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c index 21f215f4daa3..7a711ee314b7 100644 --- a/drivers/pci/pcie/aer/aerdrv.c +++ b/drivers/pci/pcie/aer/aerdrv.c @@ -25,6 +25,7 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/pcieport_if.h> +#include <linux/slab.h> #include "aerdrv.h" #include "../../pci.h" @@ -243,11 +244,17 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev) /* Assert Secondary Bus Reset */ pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &p2p_ctrl); - p2p_ctrl |= PCI_CB_BRIDGE_CTL_CB_RESET; + p2p_ctrl |= PCI_BRIDGE_CTL_BUS_RESET; pci_write_config_word(dev, PCI_BRIDGE_CONTROL, p2p_ctrl); + /* + * we should send hot reset message for 2ms to allow it time to + * propogate to all downstream ports + */ + msleep(2); + /* De-assert Secondary Bus Reset */ - p2p_ctrl &= ~PCI_CB_BRIDGE_CTL_CB_RESET; + p2p_ctrl &= ~PCI_BRIDGE_CTL_BUS_RESET; pci_write_config_word(dev, PCI_BRIDGE_CONTROL, p2p_ctrl); /* diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index c843a799814d..aceb04b67b60 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -23,6 +23,7 @@ #include <linux/pm.h> #include <linux/suspend.h> #include <linux/delay.h> +#include <linux/slab.h> #include "aerdrv.h" static int forceload; diff --git a/drivers/pci/pcie/pme/pcie_pme.c b/drivers/pci/pcie/pme/pcie_pme.c index 7b3cbff547ee..aac285a16b62 100644 --- a/drivers/pci/pcie/pme/pcie_pme.c +++ b/drivers/pci/pcie/pme/pcie_pme.c @@ -14,6 +14,7 @@ #include <linux/pci.h> #include <linux/kernel.h> #include <linux/errno.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/device.h> diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index 127e8f169d9c..3debed25e46b 100644 --- a/drivers/pci/pcie/portdrv_pci.c +++ b/drivers/pci/pcie/portdrv_pci.c @@ -12,7 +12,6 @@ #include <linux/errno.h> #include <linux/pm.h> #include <linux/init.h> -#include <linux/slab.h> #include <linux/pcieport_if.h> #include <linux/aer.h> #include <linux/dmi.h> diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 2a943090a3b7..c82548afcd5c 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -312,7 +312,7 @@ static void __devinit pci_read_bridge_io(struct pci_bus *child) dev_printk(KERN_DEBUG, &dev->dev, " bridge window %pR\n", res); } else { dev_printk(KERN_DEBUG, &dev->dev, - " bridge window [io %04lx - %04lx] reg reading\n", + " bridge window [io %#06lx-%#06lx] (disabled)\n", base, limit); } } @@ -336,7 +336,7 @@ static void __devinit pci_read_bridge_mmio(struct pci_bus *child) dev_printk(KERN_DEBUG, &dev->dev, " bridge window %pR\n", res); } else { dev_printk(KERN_DEBUG, &dev->dev, - " bridge window [mem 0x%08lx - 0x%08lx] reg reading\n", + " bridge window [mem %#010lx-%#010lx] (disabled)\n", base, limit + 0xfffff); } } @@ -387,7 +387,7 @@ static void __devinit pci_read_bridge_mmio_pref(struct pci_bus *child) dev_printk(KERN_DEBUG, &dev->dev, " bridge window %pR\n", res); } else { dev_printk(KERN_DEBUG, &dev->dev, - " bridge window [mem 0x%08lx - %08lx pref] reg reading\n", + " bridge window [mem %#010lx-%#010lx pref] (disabled)\n", base, limit + 0xfffff); } } @@ -673,16 +673,20 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int is_cardbus = (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS); u32 buses, i, j = 0; u16 bctl; + u8 primary, secondary, subordinate; int broken = 0; pci_read_config_dword(dev, PCI_PRIMARY_BUS, &buses); + primary = buses & 0xFF; + secondary = (buses >> 8) & 0xFF; + subordinate = (buses >> 16) & 0xFF; - dev_dbg(&dev->dev, "scanning behind bridge, config %06x, pass %d\n", - buses & 0xffffff, pass); + dev_dbg(&dev->dev, "scanning [bus %02x-%02x] behind bridge, pass %d\n", + secondary, subordinate, pass); /* Check if setup is sensible at all */ if (!pass && - ((buses & 0xff) != bus->number || ((buses >> 8) & 0xff) <= bus->number)) { + (primary != bus->number || secondary <= bus->number)) { dev_dbg(&dev->dev, "bus configuration invalid, reconfiguring\n"); broken = 1; } @@ -693,15 +697,15 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, pci_write_config_word(dev, PCI_BRIDGE_CONTROL, bctl & ~PCI_BRIDGE_CTL_MASTER_ABORT); - if ((buses & 0xffff00) && !pcibios_assign_all_busses() && !is_cardbus && !broken) { - unsigned int cmax, busnr; + if ((secondary || subordinate) && !pcibios_assign_all_busses() && + !is_cardbus && !broken) { + unsigned int cmax; /* * Bus already configured by firmware, process it in the first * pass and just note the configuration. */ if (pass) goto out; - busnr = (buses >> 8) & 0xFF; /* * If we already got to this bus through a different bridge, @@ -710,13 +714,13 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, * However, we continue to descend down the hierarchy and * scan remaining child buses. */ - child = pci_find_bus(pci_domain_nr(bus), busnr); + child = pci_find_bus(pci_domain_nr(bus), secondary); if (!child) { - child = pci_add_new_bus(bus, dev, busnr); + child = pci_add_new_bus(bus, dev, secondary); if (!child) goto out; - child->primary = buses & 0xFF; - child->subordinate = (buses >> 16) & 0xFF; + child->primary = primary; + child->subordinate = subordinate; child->bridge_ctl = bctl; } diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index 593bb844b8db..449e890267a2 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -6,6 +6,7 @@ #include <linux/init.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/module.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 81d19d5683ac..27c0e6eb7136 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -368,8 +368,9 @@ static void __devinit quirk_io_region(struct pci_dev *dev, unsigned region, bus_region.end = res->end; pcibios_bus_to_resource(dev, res, &bus_region); - pci_claim_resource(dev, nr); - dev_info(&dev->dev, "quirk: %pR claimed by %s\n", res, name); + if (pci_claim_resource(dev, nr) == 0) + dev_info(&dev->dev, "quirk: %pR claimed by %s\n", + res, name); } } @@ -1977,11 +1978,25 @@ static void __devinit quirk_via_cx700_pci_parking_caching(struct pci_dev *dev) /* * Disable PCI Bus Parking and PCI Master read caching on CX700 * which causes unspecified timing errors with a VT6212L on the PCI - * bus leading to USB2.0 packet loss. The defaults are that these - * features are turned off but some BIOSes turn them on. + * bus leading to USB2.0 packet loss. + * + * This quirk is only enabled if a second (on the external PCI bus) + * VT6212L is found -- the CX700 core itself also contains a USB + * host controller with the same PCI ID as the VT6212L. */ + /* Count VT6212L instances */ + struct pci_dev *p = pci_get_device(PCI_VENDOR_ID_VIA, + PCI_DEVICE_ID_VIA_8235_USB_2, NULL); uint8_t b; + + /* p should contain the first (internal) VT6212L -- see if we have + an external one by searching again */ + p = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235_USB_2, p); + if (!p) + return; + pci_dev_put(p); + if (pci_read_config_byte(dev, 0x76, &b) == 0) { if (b & 0x40) { /* Turn off PCI Bus Parking */ @@ -2008,7 +2023,7 @@ static void __devinit quirk_via_cx700_pci_parking_caching(struct pci_dev *dev) } } } -DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_VIA, 0x324e, quirk_via_cx700_pci_parking_caching); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, 0x324e, quirk_via_cx700_pci_parking_caching); /* * For Broadcom 5706, 5708, 5709 rev. A nics, any read beyond the @@ -2108,6 +2123,10 @@ static void __devinit quirk_disable_msi(struct pci_dev *dev) } } DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x9602, quirk_disable_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASUSTEK, 0x9602, quirk_disable_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AI, 0x9602, quirk_disable_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, 0xa238, quirk_disable_msi); /* Go through the list of Hypertransport capabilities and * return 1 if a HT MSI capability is found and enabled */ diff --git a/drivers/pci/search.c b/drivers/pci/search.c index 4a471dc4f4b9..20d03f772289 100644 --- a/drivers/pci/search.c +++ b/drivers/pci/search.c @@ -9,6 +9,7 @@ #include <linux/init.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/module.h> #include <linux/interrupt.h> #include "pci.h" diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 4fe36d2e1049..19b111383f62 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -838,65 +838,11 @@ static void pci_bus_dump_resources(struct pci_bus *bus) } } -static int __init pci_bus_get_depth(struct pci_bus *bus) -{ - int depth = 0; - struct pci_dev *dev; - - list_for_each_entry(dev, &bus->devices, bus_list) { - int ret; - struct pci_bus *b = dev->subordinate; - if (!b) - continue; - - ret = pci_bus_get_depth(b); - if (ret + 1 > depth) - depth = ret + 1; - } - - return depth; -} -static int __init pci_get_max_depth(void) -{ - int depth = 0; - struct pci_bus *bus; - - list_for_each_entry(bus, &pci_root_buses, node) { - int ret; - - ret = pci_bus_get_depth(bus); - if (ret > depth) - depth = ret; - } - - return depth; -} - -/* - * first try will not touch pci bridge res - * second and later try will clear small leaf bridge res - * will stop till to the max deepth if can not find good one - */ void __init pci_assign_unassigned_resources(void) { struct pci_bus *bus; - int tried_times = 0; - enum release_type rel_type = leaf_only; - struct resource_list_x head, *list; - unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM | - IORESOURCE_PREFETCH; - unsigned long failed_type; - int max_depth = pci_get_max_depth(); - int pci_try_num; - head.next = NULL; - - pci_try_num = max_depth + 1; - printk(KERN_DEBUG "PCI: max bus depth: %d pci_try_num: %d\n", - max_depth, pci_try_num); - -again: /* Depth first, calculate sizes and alignments of all subordinate buses. */ list_for_each_entry(bus, &pci_root_buses, node) { @@ -904,65 +850,9 @@ again: } /* Depth last, allocate resources and update the hardware. */ list_for_each_entry(bus, &pci_root_buses, node) { - __pci_bus_assign_resources(bus, &head); - } - tried_times++; - - /* any device complain? */ - if (!head.next) - goto enable_and_dump; - failed_type = 0; - for (list = head.next; list;) { - failed_type |= list->flags; - list = list->next; - } - /* - * io port are tight, don't try extra - * or if reach the limit, don't want to try more - */ - failed_type &= type_mask; - if ((failed_type == IORESOURCE_IO) || (tried_times >= pci_try_num)) { - free_failed_list(&head); - goto enable_and_dump; - } - - printk(KERN_DEBUG "PCI: No. %d try to assign unassigned res\n", - tried_times + 1); - - /* third times and later will not check if it is leaf */ - if ((tried_times + 1) > 2) - rel_type = whole_subtree; - - /* - * Try to release leaf bridge's resources that doesn't fit resource of - * child device under that bridge - */ - for (list = head.next; list;) { - bus = list->dev->bus; - pci_bus_release_bridge_resources(bus, list->flags & type_mask, - rel_type); - list = list->next; - } - /* restore size and flags */ - for (list = head.next; list;) { - struct resource *res = list->res; - - res->start = list->start; - res->end = list->end; - res->flags = list->flags; - if (list->dev->subordinate) - res->flags = 0; - - list = list->next; - } - free_failed_list(&head); - - goto again; - -enable_and_dump: - /* Depth last, update the hardware. */ - list_for_each_entry(bus, &pci_root_buses, node) + pci_bus_assign_resources(bus); pci_enable_bridges(bus); + } /* dump the resource on buses */ list_for_each_entry(bus, &pci_root_buses, node) { diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 7d678bb15ffb..17bed18d24ad 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -93,8 +93,7 @@ void pci_update_resource(struct pci_dev *dev, int resno) int pci_claim_resource(struct pci_dev *dev, int resource) { struct resource *res = &dev->resource[resource]; - struct resource *root; - int err; + struct resource *root, *conflict; root = pci_find_parent_resource(dev, res); if (!root) { @@ -103,12 +102,15 @@ int pci_claim_resource(struct pci_dev *dev, int resource) return -EINVAL; } - err = request_resource(root, res); - if (err) + conflict = request_resource_conflict(root, res); + if (conflict) { dev_err(&dev->dev, - "address space collision: %pR already in use\n", res); + "address space collision: %pR conflicts with %s %pR\n", + res, conflict->name, conflict); + return -EBUSY; + } - return err; + return 0; } EXPORT_SYMBOL(pci_claim_resource); diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c index 49c9e6c9779a..659eaa0fc48f 100644 --- a/drivers/pci/slot.c +++ b/drivers/pci/slot.c @@ -6,6 +6,7 @@ */ #include <linux/kobject.h> +#include <linux/slab.h> #include <linux/pci.h> #include <linux/err.h> #include "pci.h" @@ -29,7 +30,7 @@ static ssize_t pci_slot_attr_store(struct kobject *kobj, return attribute->store ? attribute->store(slot, buf, len) : -EIO; } -static struct sysfs_ops pci_slot_sysfs_ops = { +static const struct sysfs_ops pci_slot_sysfs_ops = { .show = pci_slot_attr_show, .store = pci_slot_attr_store, }; |