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-rw-r--r--drivers/char/Kconfig4
-rw-r--r--drivers/char/agp/amd64-agp.c20
-rw-r--r--drivers/char/agp/backend.c13
-rw-r--r--drivers/char/agp/hp-agp.c6
-rw-r--r--drivers/char/agp/intel-agp.c6
-rw-r--r--drivers/char/hw_random/core.c5
-rw-r--r--drivers/char/hw_random/virtio-rng.c6
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c118
-rw-r--r--drivers/char/keyboard.c10
-rw-r--r--drivers/char/mem.c30
-rw-r--r--drivers/char/nozomi.c50
-rw-r--r--drivers/char/nwflash.c1
-rw-r--r--drivers/char/random.c9
-rw-r--r--drivers/char/sonypi.c60
-rw-r--r--drivers/char/toshiba.c12
-rw-r--r--drivers/char/tpm/tpm_infineon.c79
-rw-r--r--drivers/char/tty_io.c2
-rw-r--r--drivers/char/uv_mmtimer.c18
18 files changed, 320 insertions, 129 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 6f31c9472100..e023682be2c4 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -502,7 +502,7 @@ config BRIQ_PANEL
config BFIN_OTP
tristate "Blackfin On-Chip OTP Memory Support"
- depends on BLACKFIN && (BF52x || BF54x)
+ depends on BLACKFIN && (BF51x || BF52x || BF54x)
default y
help
If you say Y here, you will get support for a character device
@@ -669,7 +669,7 @@ config VIRTIO_CONSOLE
config HVCS
tristate "IBM Hypervisor Virtual Console Server support"
- depends on PPC_PSERIES
+ depends on PPC_PSERIES && HVC_CONSOLE
help
Partitionable IBM Power5 ppc64 machines allow hosting of
firmware virtual consoles from one Linux partition by
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 2fb2e6cc322a..fd50ead59c79 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -728,6 +728,7 @@ int __init agp_amd64_init(void)
if (agp_off)
return -EINVAL;
+
err = pci_register_driver(&agp_amd64_pci_driver);
if (err < 0)
return err;
@@ -764,19 +765,28 @@ int __init agp_amd64_init(void)
return err;
}
+static int __init agp_amd64_mod_init(void)
+{
+#ifndef MODULE
+ if (gart_iommu_aperture)
+ return agp_bridges_found ? 0 : -ENODEV;
+#endif
+ return agp_amd64_init();
+}
+
static void __exit agp_amd64_cleanup(void)
{
+#ifndef MODULE
+ if (gart_iommu_aperture)
+ return;
+#endif
if (aperture_resource)
release_resource(aperture_resource);
pci_unregister_driver(&agp_amd64_pci_driver);
}
-/* On AMD64 the PCI driver needs to initialize this driver early
- for the IOMMU, so it has to be called via a backdoor. */
-#ifndef CONFIG_GART_IOMMU
-module_init(agp_amd64_init);
+module_init(agp_amd64_mod_init);
module_exit(agp_amd64_cleanup);
-#endif
MODULE_AUTHOR("Dave Jones <davej@redhat.com>, Andi Kleen");
module_param(agp_try_unsupported, bool, 0);
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index a56ca080e108..c3ab46da51a3 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -285,18 +285,22 @@ int agp_add_bridge(struct agp_bridge_data *bridge)
{
int error;
- if (agp_off)
- return -ENODEV;
+ if (agp_off) {
+ error = -ENODEV;
+ goto err_put_bridge;
+ }
if (!bridge->dev) {
printk (KERN_DEBUG PFX "Erk, registering with no pci_dev!\n");
- return -EINVAL;
+ error = -EINVAL;
+ goto err_put_bridge;
}
/* Grab reference on the chipset driver. */
if (!try_module_get(bridge->driver->owner)) {
dev_info(&bridge->dev->dev, "can't lock chipset driver\n");
- return -EINVAL;
+ error = -EINVAL;
+ goto err_put_bridge;
}
error = agp_backend_initialize(bridge);
@@ -326,6 +330,7 @@ frontend_err:
agp_backend_cleanup(bridge);
err_out:
module_put(bridge->driver->owner);
+err_put_bridge:
agp_put_bridge(bridge);
return error;
}
diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c
index 9047b2714653..58752b70efea 100644
--- a/drivers/char/agp/hp-agp.c
+++ b/drivers/char/agp/hp-agp.c
@@ -488,9 +488,8 @@ zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret)
handle = obj;
do {
status = acpi_get_object_info(handle, &info);
- if (ACPI_SUCCESS(status)) {
+ if (ACPI_SUCCESS(status) && (info->valid & ACPI_VALID_HID)) {
/* TBD check _CID also */
- info->hardware_id.string[sizeof(info->hardware_id.length)-1] = '\0';
match = (strcmp(info->hardware_id.string, "HWP0001") == 0);
kfree(info);
if (match) {
@@ -509,6 +508,9 @@ zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret)
handle = parent;
} while (ACPI_SUCCESS(status));
+ if (ACPI_FAILURE(status))
+ return AE_OK; /* found no enclosing IOC */
+
if (hp_zx1_setup(sba_hpa + HP_ZX1_IOC_OFFSET, lba_hpa))
return AE_OK;
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 30c36ac2cd00..3999a5f25f38 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -2460,10 +2460,14 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
&bridge->mode);
}
- if (bridge->driver->mask_memory == intel_i965_mask_memory)
+ if (bridge->driver->mask_memory == intel_i965_mask_memory) {
if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(36)))
dev_err(&intel_private.pcidev->dev,
"set gfx device dma mask 36bit failed!\n");
+ else
+ pci_set_consistent_dma_mask(intel_private.pcidev,
+ DMA_BIT_MASK(36));
+ }
pci_set_drvdata(pdev, bridge);
return agp_add_bridge(bridge);
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index e989f67bb61f..3d9c61e5acbf 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -158,10 +158,11 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,
goto out;
}
}
-out_unlock:
- mutex_unlock(&rng_mutex);
out:
return ret ? : err;
+out_unlock:
+ mutex_unlock(&rng_mutex);
+ goto out;
}
diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index bdaef8e94021..64fe0a793efd 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -114,7 +114,7 @@ static struct virtio_device_id id_table[] = {
{ 0 },
};
-static struct virtio_driver virtio_rng = {
+static struct virtio_driver virtio_rng_driver = {
.driver.name = KBUILD_MODNAME,
.driver.owner = THIS_MODULE,
.id_table = id_table,
@@ -124,12 +124,12 @@ static struct virtio_driver virtio_rng = {
static int __init init(void)
{
- return register_virtio_driver(&virtio_rng);
+ return register_virtio_driver(&virtio_rng_driver);
}
static void __exit fini(void)
{
- unregister_virtio_driver(&virtio_rng);
+ unregister_virtio_driver(&virtio_rng_driver);
}
module_init(init);
module_exit(fini);
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index d2e698096ace..176f1751237f 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -64,6 +64,7 @@
#include <linux/dmi.h>
#include <linux/string.h>
#include <linux/ctype.h>
+#include <linux/pnp.h>
#ifdef CONFIG_PPC_OF
#include <linux/of_device.h>
@@ -1919,7 +1920,7 @@ struct SPMITable {
s8 spmi_id[1]; /* A '\0' terminated array starts here. */
};
-static __devinit int try_init_acpi(struct SPMITable *spmi)
+static __devinit int try_init_spmi(struct SPMITable *spmi)
{
struct smi_info *info;
u8 addr_space;
@@ -1940,7 +1941,7 @@ static __devinit int try_init_acpi(struct SPMITable *spmi)
return -ENOMEM;
}
- info->addr_source = "ACPI";
+ info->addr_source = "SPMI";
/* Figure out the interface type. */
switch (spmi->InterfaceType) {
@@ -2002,7 +2003,7 @@ static __devinit int try_init_acpi(struct SPMITable *spmi)
return 0;
}
-static __devinit void acpi_find_bmc(void)
+static __devinit void spmi_find_bmc(void)
{
acpi_status status;
struct SPMITable *spmi;
@@ -2020,9 +2021,106 @@ static __devinit void acpi_find_bmc(void)
if (status != AE_OK)
return;
- try_init_acpi(spmi);
+ try_init_spmi(spmi);
}
}
+
+static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
+ const struct pnp_device_id *dev_id)
+{
+ struct acpi_device *acpi_dev;
+ struct smi_info *info;
+ acpi_handle handle;
+ acpi_status status;
+ unsigned long long tmp;
+
+ acpi_dev = pnp_acpi_device(dev);
+ if (!acpi_dev)
+ return -ENODEV;
+
+ info = kzalloc(sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ info->addr_source = "ACPI";
+
+ handle = acpi_dev->handle;
+
+ /* _IFT tells us the interface type: KCS, BT, etc */
+ status = acpi_evaluate_integer(handle, "_IFT", NULL, &tmp);
+ if (ACPI_FAILURE(status))
+ goto err_free;
+
+ switch (tmp) {
+ case 1:
+ info->si_type = SI_KCS;
+ break;
+ case 2:
+ info->si_type = SI_SMIC;
+ break;
+ case 3:
+ info->si_type = SI_BT;
+ break;
+ default:
+ dev_info(&dev->dev, "unknown interface type %lld\n", tmp);
+ goto err_free;
+ }
+
+ if (pnp_port_valid(dev, 0)) {
+ info->io_setup = port_setup;
+ info->io.addr_type = IPMI_IO_ADDR_SPACE;
+ info->io.addr_data = pnp_port_start(dev, 0);
+ } else if (pnp_mem_valid(dev, 0)) {
+ info->io_setup = mem_setup;
+ info->io.addr_type = IPMI_MEM_ADDR_SPACE;
+ info->io.addr_data = pnp_mem_start(dev, 0);
+ } else {
+ dev_err(&dev->dev, "no I/O or memory address\n");
+ goto err_free;
+ }
+
+ info->io.regspacing = DEFAULT_REGSPACING;
+ info->io.regsize = DEFAULT_REGSPACING;
+ info->io.regshift = 0;
+
+ /* If _GPE exists, use it; otherwise use standard interrupts */
+ status = acpi_evaluate_integer(handle, "_GPE", NULL, &tmp);
+ if (ACPI_SUCCESS(status)) {
+ info->irq = tmp;
+ info->irq_setup = acpi_gpe_irq_setup;
+ } else if (pnp_irq_valid(dev, 0)) {
+ info->irq = pnp_irq(dev, 0);
+ info->irq_setup = std_irq_setup;
+ }
+
+ info->dev = &acpi_dev->dev;
+ pnp_set_drvdata(dev, info);
+
+ return try_smi_init(info);
+
+err_free:
+ kfree(info);
+ return -EINVAL;
+}
+
+static void __devexit ipmi_pnp_remove(struct pnp_dev *dev)
+{
+ struct smi_info *info = pnp_get_drvdata(dev);
+
+ cleanup_one_si(info);
+}
+
+static const struct pnp_device_id pnp_dev_table[] = {
+ {"IPI0001", 0},
+ {"", 0},
+};
+
+static struct pnp_driver ipmi_pnp_driver = {
+ .name = DEVICE_NAME,
+ .probe = ipmi_pnp_probe,
+ .remove = __devexit_p(ipmi_pnp_remove),
+ .id_table = pnp_dev_table,
+};
#endif
#ifdef CONFIG_DMI
@@ -2202,7 +2300,6 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
int rv;
int class_type = pdev->class & PCI_ERMC_CLASSCODE_TYPE_MASK;
struct smi_info *info;
- int first_reg_offset = 0;
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info)
@@ -2241,9 +2338,6 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
info->addr_source_cleanup = ipmi_pci_cleanup;
info->addr_source_data = pdev;
- if (pdev->subsystem_vendor == PCI_HP_VENDOR_ID)
- first_reg_offset = 1;
-
if (pci_resource_flags(pdev, 0) & IORESOURCE_IO) {
info->io_setup = port_setup;
info->io.addr_type = IPMI_IO_ADDR_SPACE;
@@ -3108,7 +3202,10 @@ static __devinit int init_ipmi_si(void)
#endif
#ifdef CONFIG_ACPI
- acpi_find_bmc();
+ spmi_find_bmc();
+#endif
+#ifdef CONFIG_ACPI
+ pnp_register_driver(&ipmi_pnp_driver);
#endif
#ifdef CONFIG_PCI
@@ -3233,6 +3330,9 @@ static __exit void cleanup_ipmi_si(void)
#ifdef CONFIG_PCI
pci_unregister_driver(&ipmi_pci_driver);
#endif
+#ifdef CONFIG_ACPI
+ pnp_unregister_driver(&ipmi_pnp_driver);
+#endif
#ifdef CONFIG_PPC_OF
of_unregister_platform_driver(&ipmi_of_platform_driver);
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 5619007e7e05..f706b1dffdb3 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -233,7 +233,8 @@ int setkeycode(unsigned int scancode, unsigned int keycode)
}
/*
- * Making beeps and bells.
+ * Making beeps and bells. Note that we prefer beeps to bells, but when
+ * shutting the sound off we do both.
*/
static int kd_sound_helper(struct input_handle *handle, void *data)
@@ -242,9 +243,12 @@ static int kd_sound_helper(struct input_handle *handle, void *data)
struct input_dev *dev = handle->dev;
if (test_bit(EV_SND, dev->evbit)) {
- if (test_bit(SND_TONE, dev->sndbit))
+ if (test_bit(SND_TONE, dev->sndbit)) {
input_inject_event(handle, EV_SND, SND_TONE, *hz);
- if (test_bit(SND_BELL, handle->dev->sndbit))
+ if (*hz)
+ return 0;
+ }
+ if (test_bit(SND_BELL, dev->sndbit))
input_inject_event(handle, EV_SND, SND_BELL, *hz ? 1 : 0);
}
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index be832b6f8279..48788db4e280 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -395,6 +395,7 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
unsigned long p = *ppos;
ssize_t low_count, read, sz;
char * kbuf; /* k-addr because vread() takes vmlist_lock rwlock */
+ int err = 0;
read = 0;
if (p < (unsigned long) high_memory) {
@@ -441,12 +442,16 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
return -ENOMEM;
while (count > 0) {
sz = size_inside_page(p, count);
+ if (!is_vmalloc_or_module_addr((void *)p)) {
+ err = -ENXIO;
+ break;
+ }
sz = vread(kbuf, (char *)p, sz);
if (!sz)
break;
if (copy_to_user(buf, kbuf, sz)) {
- free_page((unsigned long)kbuf);
- return -EFAULT;
+ err = -EFAULT;
+ break;
}
count -= sz;
buf += sz;
@@ -455,8 +460,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
}
free_page((unsigned long)kbuf);
}
- *ppos = p;
- return read;
+ *ppos = p;
+ return read ? read : err;
}
@@ -520,6 +525,7 @@ static ssize_t write_kmem(struct file * file, const char __user * buf,
ssize_t wrote = 0;
ssize_t virtr = 0;
char * kbuf; /* k-addr because vwrite() takes vmlist_lock rwlock */
+ int err = 0;
if (p < (unsigned long) high_memory) {
unsigned long to_write = min_t(unsigned long, count,
@@ -540,14 +546,16 @@ static ssize_t write_kmem(struct file * file, const char __user * buf,
unsigned long sz = size_inside_page(p, count);
unsigned long n;
+ if (!is_vmalloc_or_module_addr((void *)p)) {
+ err = -ENXIO;
+ break;
+ }
n = copy_from_user(kbuf, buf, sz);
if (n) {
- if (wrote + virtr)
- break;
- free_page((unsigned long)kbuf);
- return -EFAULT;
+ err = -EFAULT;
+ break;
}
- sz = vwrite(kbuf, (char *)p, sz);
+ vwrite(kbuf, (char *)p, sz);
count -= sz;
buf += sz;
virtr += sz;
@@ -556,8 +564,8 @@ static ssize_t write_kmem(struct file * file, const char __user * buf,
free_page((unsigned long)kbuf);
}
- *ppos = p;
- return virtr + wrote;
+ *ppos = p;
+ return virtr + wrote ? : err;
}
#endif
diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c
index d3400b20444f..2ad7d37afbd0 100644
--- a/drivers/char/nozomi.c
+++ b/drivers/char/nozomi.c
@@ -358,7 +358,7 @@ struct port {
u8 update_flow_control;
struct ctrl_ul ctrl_ul;
struct ctrl_dl ctrl_dl;
- struct kfifo *fifo_ul;
+ struct kfifo fifo_ul;
void __iomem *dl_addr[2];
u32 dl_size[2];
u8 toggle_dl;
@@ -685,8 +685,6 @@ static int nozomi_read_config_table(struct nozomi *dc)
dump_table(dc);
for (i = PORT_MDM; i < MAX_PORT; i++) {
- dc->port[i].fifo_ul =
- kfifo_alloc(FIFO_BUFFER_SIZE_UL, GFP_ATOMIC, NULL);
memset(&dc->port[i].ctrl_dl, 0, sizeof(struct ctrl_dl));
memset(&dc->port[i].ctrl_ul, 0, sizeof(struct ctrl_ul));
}
@@ -798,7 +796,7 @@ static int send_data(enum port_type index, struct nozomi *dc)
struct tty_struct *tty = tty_port_tty_get(&port->port);
/* Get data from tty and place in buf for now */
- size = __kfifo_get(port->fifo_ul, dc->send_buf,
+ size = kfifo_out(&port->fifo_ul, dc->send_buf,
ul_size < SEND_BUF_MAX ? ul_size : SEND_BUF_MAX);
if (size == 0) {
@@ -988,11 +986,11 @@ static int receive_flow_control(struct nozomi *dc)
} else if (old_ctrl.CTS == 0 && ctrl_dl.CTS == 1) {
- if (__kfifo_len(dc->port[port].fifo_ul)) {
+ if (kfifo_len(&dc->port[port].fifo_ul)) {
DBG1("Enable interrupt (0x%04X) on port: %d",
enable_ier, port);
DBG1("Data in buffer [%d], enable transmit! ",
- __kfifo_len(dc->port[port].fifo_ul));
+ kfifo_len(&dc->port[port].fifo_ul));
enable_transmit_ul(port, dc);
} else {
DBG1("No data in buffer...");
@@ -1433,6 +1431,16 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev,
goto err_free_sbuf;
}
+ for (i = PORT_MDM; i < MAX_PORT; i++) {
+ if (kfifo_alloc(&dc->port[i].fifo_ul,
+ FIFO_BUFFER_SIZE_UL, GFP_ATOMIC)) {
+ dev_err(&pdev->dev,
+ "Could not allocate kfifo buffer\n");
+ ret = -ENOMEM;
+ goto err_free_kfifo;
+ }
+ }
+
spin_lock_init(&dc->spin_mutex);
nozomi_setup_private_data(dc);
@@ -1445,7 +1453,7 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev,
NOZOMI_NAME, dc);
if (unlikely(ret)) {
dev_err(&pdev->dev, "can't request irq %d\n", pdev->irq);
- goto err_free_sbuf;
+ goto err_free_kfifo;
}
DBG1("base_addr: %p", dc->base_addr);
@@ -1464,13 +1472,28 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev,
dc->state = NOZOMI_STATE_ENABLED;
for (i = 0; i < MAX_PORT; i++) {
+ struct device *tty_dev;
+
mutex_init(&dc->port[i].tty_sem);
tty_port_init(&dc->port[i].port);
- tty_register_device(ntty_driver, dc->index_start + i,
+ tty_dev = tty_register_device(ntty_driver, dc->index_start + i,
&pdev->dev);
+
+ if (IS_ERR(tty_dev)) {
+ ret = PTR_ERR(tty_dev);
+ dev_err(&pdev->dev, "Could not allocate tty?\n");
+ goto err_free_tty;
+ }
}
+
return 0;
+err_free_tty:
+ for (i = dc->index_start; i < dc->index_start + MAX_PORT; ++i)
+ tty_unregister_device(ntty_driver, i);
+err_free_kfifo:
+ for (i = 0; i < MAX_PORT; i++)
+ kfifo_free(&dc->port[i].fifo_ul);
err_free_sbuf:
kfree(dc->send_buf);
iounmap(dc->base_addr);
@@ -1536,8 +1559,7 @@ static void __devexit nozomi_card_exit(struct pci_dev *pdev)
free_irq(pdev->irq, dc);
for (i = 0; i < MAX_PORT; i++)
- if (dc->port[i].fifo_ul)
- kfifo_free(dc->port[i].fifo_ul);
+ kfifo_free(&dc->port[i].fifo_ul);
kfree(dc->send_buf);
@@ -1629,10 +1651,10 @@ static void ntty_close(struct tty_struct *tty, struct file *file)
dc->open_ttys--;
port->count--;
- tty_port_tty_set(port, NULL);
if (port->count == 0) {
DBG1("close: %d", nport->token_dl);
+ tty_port_tty_set(port, NULL);
spin_lock_irqsave(&dc->spin_mutex, flags);
dc->last_ier &= ~(nport->token_dl);
writew(dc->last_ier, dc->reg_ier);
@@ -1673,7 +1695,7 @@ static int ntty_write(struct tty_struct *tty, const unsigned char *buffer,
goto exit;
}
- rval = __kfifo_put(port->fifo_ul, (unsigned char *)buffer, count);
+ rval = kfifo_in(&port->fifo_ul, (unsigned char *)buffer, count);
/* notify card */
if (unlikely(dc == NULL)) {
@@ -1721,7 +1743,7 @@ static int ntty_write_room(struct tty_struct *tty)
if (!port->port.count)
goto exit;
- room = port->fifo_ul->size - __kfifo_len(port->fifo_ul);
+ room = port->fifo_ul.size - kfifo_len(&port->fifo_ul);
exit:
mutex_unlock(&port->tty_sem);
@@ -1878,7 +1900,7 @@ static s32 ntty_chars_in_buffer(struct tty_struct *tty)
goto exit_in_buffer;
}
- rval = __kfifo_len(port->fifo_ul);
+ rval = kfifo_len(&port->fifo_ul);
exit_in_buffer:
return rval;
diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c
index 8c7df5ba088f..f80810901db6 100644
--- a/drivers/char/nwflash.c
+++ b/drivers/char/nwflash.c
@@ -27,6 +27,7 @@
#include <linux/init.h>
#include <linux/smp_lock.h>
#include <linux/mutex.h>
+#include <linux/jiffies.h>
#include <asm/hardware/dec21285.h>
#include <asm/io.h>
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 8258982b49ec..2849713d2231 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1051,12 +1051,6 @@ random_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
/* like a named pipe */
}
- /*
- * If we gave the user some bytes, update the access time.
- */
- if (count)
- file_accessed(file);
-
return (count ? count : retval);
}
@@ -1107,7 +1101,6 @@ static ssize_t random_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
size_t ret;
- struct inode *inode = file->f_path.dentry->d_inode;
ret = write_pool(&blocking_pool, buffer, count);
if (ret)
@@ -1116,8 +1109,6 @@ static ssize_t random_write(struct file *file, const char __user *buffer,
if (ret)
return ret;
- inode->i_mtime = current_fs_time(inode->i_sb);
- mark_inode_dirty(inode);
return (ssize_t)count;
}
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 8c262aaf7c26..bba727c3807e 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -50,7 +50,6 @@
#include <linux/err.h>
#include <linux/kfifo.h>
#include <linux/platform_device.h>
-#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -487,7 +486,7 @@ static struct sonypi_device {
int camera_power;
int bluetooth_power;
struct mutex lock;
- struct kfifo *fifo;
+ struct kfifo fifo;
spinlock_t fifo_lock;
wait_queue_head_t fifo_proc_list;
struct fasync_struct *fifo_async;
@@ -496,7 +495,7 @@ static struct sonypi_device {
struct input_dev *input_jog_dev;
struct input_dev *input_key_dev;
struct work_struct input_work;
- struct kfifo *input_fifo;
+ struct kfifo input_fifo;
spinlock_t input_fifo_lock;
} sonypi_device;
@@ -777,8 +776,9 @@ static void input_keyrelease(struct work_struct *work)
{
struct sonypi_keypress kp;
- while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
- sizeof(kp)) == sizeof(kp)) {
+ while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
+ sizeof(kp), &sonypi_device.input_fifo_lock)
+ == sizeof(kp)) {
msleep(10);
input_report_key(kp.dev, kp.key, 0);
input_sync(kp.dev);
@@ -827,8 +827,9 @@ static void sonypi_report_input_event(u8 event)
if (kp.dev) {
input_report_key(kp.dev, kp.key, 1);
input_sync(kp.dev);
- kfifo_put(sonypi_device.input_fifo,
- (unsigned char *)&kp, sizeof(kp));
+ kfifo_in_locked(&sonypi_device.input_fifo,
+ (unsigned char *)&kp, sizeof(kp),
+ &sonypi_device.input_fifo_lock);
schedule_work(&sonypi_device.input_work);
}
}
@@ -880,7 +881,8 @@ found:
acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event);
#endif
- kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
+ kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
+ sizeof(event), &sonypi_device.fifo_lock);
kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
wake_up_interruptible(&sonypi_device.fifo_proc_list);
@@ -902,14 +904,13 @@ static int sonypi_misc_release(struct inode *inode, struct file *file)
static int sonypi_misc_open(struct inode *inode, struct file *file)
{
- lock_kernel();
mutex_lock(&sonypi_device.lock);
/* Flush input queue on first open */
if (!sonypi_device.open_count)
- kfifo_reset(sonypi_device.fifo);
+ kfifo_reset(&sonypi_device.fifo);
sonypi_device.open_count++;
mutex_unlock(&sonypi_device.lock);
- unlock_kernel();
+
return 0;
}
@@ -919,17 +920,18 @@ static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
ssize_t ret;
unsigned char c;
- if ((kfifo_len(sonypi_device.fifo) == 0) &&
+ if ((kfifo_len(&sonypi_device.fifo) == 0) &&
(file->f_flags & O_NONBLOCK))
return -EAGAIN;
ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
- kfifo_len(sonypi_device.fifo) != 0);
+ kfifo_len(&sonypi_device.fifo) != 0);
if (ret)
return ret;
while (ret < count &&
- (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
+ (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
+ &sonypi_device.fifo_lock) == sizeof(c))) {
if (put_user(c, buf++))
return -EFAULT;
ret++;
@@ -946,15 +948,15 @@ static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
{
poll_wait(file, &sonypi_device.fifo_proc_list, wait);
- if (kfifo_len(sonypi_device.fifo))
+ if (kfifo_len(&sonypi_device.fifo))
return POLLIN | POLLRDNORM;
return 0;
}
-static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
+static long sonypi_misc_ioctl(struct file *fp,
unsigned int cmd, unsigned long arg)
{
- int ret = 0;
+ long ret = 0;
void __user *argp = (void __user *)arg;
u8 val8;
u16 val16;
@@ -1070,7 +1072,8 @@ static const struct file_operations sonypi_misc_fops = {
.open = sonypi_misc_open,
.release = sonypi_misc_release,
.fasync = sonypi_misc_fasync,
- .ioctl = sonypi_misc_ioctl,
+ .unlocked_ioctl = sonypi_misc_ioctl,
+ .llseek = no_llseek,
};
static struct miscdevice sonypi_misc_device = {
@@ -1313,11 +1316,10 @@ static int __devinit sonypi_probe(struct platform_device *dev)
"http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
spin_lock_init(&sonypi_device.fifo_lock);
- sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
- &sonypi_device.fifo_lock);
- if (IS_ERR(sonypi_device.fifo)) {
+ error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
+ if (error) {
printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
- return PTR_ERR(sonypi_device.fifo);
+ return error;
}
init_waitqueue_head(&sonypi_device.fifo_proc_list);
@@ -1393,12 +1395,10 @@ static int __devinit sonypi_probe(struct platform_device *dev)
}
spin_lock_init(&sonypi_device.input_fifo_lock);
- sonypi_device.input_fifo =
- kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
- &sonypi_device.input_fifo_lock);
- if (IS_ERR(sonypi_device.input_fifo)) {
+ error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
+ GFP_KERNEL);
+ if (error) {
printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
- error = PTR_ERR(sonypi_device.input_fifo);
goto err_inpdev_unregister;
}
@@ -1423,7 +1423,7 @@ static int __devinit sonypi_probe(struct platform_device *dev)
pci_disable_device(pcidev);
err_put_pcidev:
pci_dev_put(pcidev);
- kfifo_free(sonypi_device.fifo);
+ kfifo_free(&sonypi_device.fifo);
return error;
}
@@ -1438,7 +1438,7 @@ static int __devexit sonypi_remove(struct platform_device *dev)
if (useinput) {
input_unregister_device(sonypi_device.input_key_dev);
input_unregister_device(sonypi_device.input_jog_dev);
- kfifo_free(sonypi_device.input_fifo);
+ kfifo_free(&sonypi_device.input_fifo);
}
misc_deregister(&sonypi_misc_device);
@@ -1451,7 +1451,7 @@ static int __devexit sonypi_remove(struct platform_device *dev)
pci_dev_put(sonypi_device.dev);
}
- kfifo_free(sonypi_device.fifo);
+ kfifo_free(&sonypi_device.fifo);
return 0;
}
diff --git a/drivers/char/toshiba.c b/drivers/char/toshiba.c
index 663cd15d7c78..f8bc79f6de34 100644
--- a/drivers/char/toshiba.c
+++ b/drivers/char/toshiba.c
@@ -68,7 +68,7 @@
#include <linux/stat.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
-
+#include <linux/smp_lock.h>
#include <linux/toshiba.h>
#define TOSH_MINOR_DEV 181
@@ -88,13 +88,13 @@ static int tosh_date;
static int tosh_sci;
static int tosh_fan;
-static int tosh_ioctl(struct inode *, struct file *, unsigned int,
+static long tosh_ioctl(struct file *, unsigned int,
unsigned long);
static const struct file_operations tosh_fops = {
.owner = THIS_MODULE,
- .ioctl = tosh_ioctl,
+ .unlocked_ioctl = tosh_ioctl,
};
static struct miscdevice tosh_device = {
@@ -252,8 +252,7 @@ int tosh_smm(SMMRegisters *regs)
EXPORT_SYMBOL(tosh_smm);
-static int tosh_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
- unsigned long arg)
+static long tosh_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
{
SMMRegisters regs;
SMMRegisters __user *argp = (SMMRegisters __user *)arg;
@@ -275,13 +274,16 @@ static int tosh_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
return -EINVAL;
/* do we need to emulate the fan ? */
+ lock_kernel();
if (tosh_fan==1) {
if (((ax==0xf300) || (ax==0xf400)) && (bx==0x0004)) {
err = tosh_emulate_fan(&regs);
+ unlock_kernel();
break;
}
}
err = tosh_smm(&regs);
+ unlock_kernel();
break;
default:
return -EINVAL;
diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c
index ecba4942fc8e..f58440791e65 100644
--- a/drivers/char/tpm/tpm_infineon.c
+++ b/drivers/char/tpm/tpm_infineon.c
@@ -39,12 +39,12 @@
struct tpm_inf_dev {
int iotype;
- void __iomem *mem_base; /* MMIO ioremap'd addr */
- unsigned long map_base; /* phys MMIO base */
- unsigned long map_size; /* MMIO region size */
- unsigned int index_off; /* index register offset */
+ void __iomem *mem_base; /* MMIO ioremap'd addr */
+ unsigned long map_base; /* phys MMIO base */
+ unsigned long map_size; /* MMIO region size */
+ unsigned int index_off; /* index register offset */
- unsigned int data_regs; /* Data registers */
+ unsigned int data_regs; /* Data registers */
unsigned int data_size;
unsigned int config_port; /* IO Port config index reg */
@@ -406,14 +406,14 @@ static const struct tpm_vendor_specific tpm_inf = {
.miscdev = {.fops = &inf_ops,},
};
-static const struct pnp_device_id tpm_pnp_tbl[] = {
+static const struct pnp_device_id tpm_inf_pnp_tbl[] = {
/* Infineon TPMs */
{"IFX0101", 0},
{"IFX0102", 0},
{"", 0}
};
-MODULE_DEVICE_TABLE(pnp, tpm_pnp_tbl);
+MODULE_DEVICE_TABLE(pnp, tpm_inf_pnp_tbl);
static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
const struct pnp_device_id *dev_id)
@@ -430,7 +430,7 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
if (pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) &&
!(pnp_port_flags(dev, 0) & IORESOURCE_DISABLED)) {
- tpm_dev.iotype = TPM_INF_IO_PORT;
+ tpm_dev.iotype = TPM_INF_IO_PORT;
tpm_dev.config_port = pnp_port_start(dev, 0);
tpm_dev.config_size = pnp_port_len(dev, 0);
@@ -459,9 +459,9 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
goto err_last;
}
} else if (pnp_mem_valid(dev, 0) &&
- !(pnp_mem_flags(dev, 0) & IORESOURCE_DISABLED)) {
+ !(pnp_mem_flags(dev, 0) & IORESOURCE_DISABLED)) {
- tpm_dev.iotype = TPM_INF_IO_MEM;
+ tpm_dev.iotype = TPM_INF_IO_MEM;
tpm_dev.map_base = pnp_mem_start(dev, 0);
tpm_dev.map_size = pnp_mem_len(dev, 0);
@@ -563,11 +563,11 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
"product id 0x%02x%02x"
"%s\n",
tpm_dev.iotype == TPM_INF_IO_PORT ?
- tpm_dev.config_port :
- tpm_dev.map_base + tpm_dev.index_off,
+ tpm_dev.config_port :
+ tpm_dev.map_base + tpm_dev.index_off,
tpm_dev.iotype == TPM_INF_IO_PORT ?
- tpm_dev.data_regs :
- tpm_dev.map_base + tpm_dev.data_regs,
+ tpm_dev.data_regs :
+ tpm_dev.map_base + tpm_dev.data_regs,
version[0], version[1],
vendorid[0], vendorid[1],
productid[0], productid[1], chipname);
@@ -607,20 +607,55 @@ static __devexit void tpm_inf_pnp_remove(struct pnp_dev *dev)
iounmap(tpm_dev.mem_base);
release_mem_region(tpm_dev.map_base, tpm_dev.map_size);
}
+ tpm_dev_vendor_release(chip);
tpm_remove_hardware(chip->dev);
}
}
+static int tpm_inf_pnp_suspend(struct pnp_dev *dev, pm_message_t pm_state)
+{
+ struct tpm_chip *chip = pnp_get_drvdata(dev);
+ int rc;
+ if (chip) {
+ u8 savestate[] = {
+ 0, 193, /* TPM_TAG_RQU_COMMAND */
+ 0, 0, 0, 10, /* blob length (in bytes) */
+ 0, 0, 0, 152 /* TPM_ORD_SaveState */
+ };
+ dev_info(&dev->dev, "saving TPM state\n");
+ rc = tpm_inf_send(chip, savestate, sizeof(savestate));
+ if (rc < 0) {
+ dev_err(&dev->dev, "error while saving TPM state\n");
+ return rc;
+ }
+ }
+ return 0;
+}
+
+static int tpm_inf_pnp_resume(struct pnp_dev *dev)
+{
+ /* Re-configure TPM after suspending */
+ tpm_config_out(ENABLE_REGISTER_PAIR, TPM_INF_ADDR);
+ tpm_config_out(IOLIMH, TPM_INF_ADDR);
+ tpm_config_out((tpm_dev.data_regs >> 8) & 0xff, TPM_INF_DATA);
+ tpm_config_out(IOLIML, TPM_INF_ADDR);
+ tpm_config_out((tpm_dev.data_regs & 0xff), TPM_INF_DATA);
+ /* activate register */
+ tpm_config_out(TPM_DAR, TPM_INF_ADDR);
+ tpm_config_out(0x01, TPM_INF_DATA);
+ tpm_config_out(DISABLE_REGISTER_PAIR, TPM_INF_ADDR);
+ /* disable RESET, LP and IRQC */
+ tpm_data_out(RESET_LP_IRQC_DISABLE, CMD);
+ return tpm_pm_resume(&dev->dev);
+}
+
static struct pnp_driver tpm_inf_pnp_driver = {
.name = "tpm_inf_pnp",
- .driver = {
- .owner = THIS_MODULE,
- .suspend = tpm_pm_suspend,
- .resume = tpm_pm_resume,
- },
- .id_table = tpm_pnp_tbl,
+ .id_table = tpm_inf_pnp_tbl,
.probe = tpm_inf_pnp_probe,
- .remove = __devexit_p(tpm_inf_pnp_remove),
+ .suspend = tpm_inf_pnp_suspend,
+ .resume = tpm_inf_pnp_resume,
+ .remove = __devexit_p(tpm_inf_pnp_remove)
};
static int __init init_inf(void)
@@ -638,5 +673,5 @@ module_exit(cleanup_inf);
MODULE_AUTHOR("Marcel Selhorst <m.selhorst@sirrix.com>");
MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2");
-MODULE_VERSION("1.9");
+MODULE_VERSION("1.9.2");
MODULE_LICENSE("GPL");
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index f15df40bc318..dcb9083ecde0 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1951,8 +1951,10 @@ static int tty_fasync(int fd, struct file *filp, int on)
pid = task_pid(current);
type = PIDTYPE_PID;
}
+ get_pid(pid);
spin_unlock_irqrestore(&tty->ctrl_lock, flags);
retval = __f_setown(filp, pid, type, 0);
+ put_pid(pid);
if (retval)
goto out;
} else {
diff --git a/drivers/char/uv_mmtimer.c b/drivers/char/uv_mmtimer.c
index 867b67be9f0a..c7072ba14f48 100644
--- a/drivers/char/uv_mmtimer.c
+++ b/drivers/char/uv_mmtimer.c
@@ -89,13 +89,17 @@ static long uv_mmtimer_ioctl(struct file *file, unsigned int cmd,
switch (cmd) {
case MMTIMER_GETOFFSET: /* offset of the counter */
/*
- * UV RTC register is on its own page
+ * Starting with HUB rev 2.0, the UV RTC register is
+ * replicated across all cachelines of it's own page.
+ * This allows faster simultaneous reads from a given socket.
+ *
+ * The offset returned is in 64 bit units.
*/
- if (PAGE_SIZE <= (1 << 16))
- ret = ((UV_LOCAL_MMR_BASE | UVH_RTC) & (PAGE_SIZE-1))
- / 8;
+ if (uv_get_min_hub_revision_id() == 1)
+ ret = 0;
else
- ret = -ENOSYS;
+ ret = ((uv_blade_processor_id() * L1_CACHE_BYTES) %
+ PAGE_SIZE) / 8;
break;
case MMTIMER_GETRES: /* resolution of the clock in 10^-15 s */
@@ -115,8 +119,8 @@ static long uv_mmtimer_ioctl(struct file *file, unsigned int cmd,
ret = hweight64(UVH_RTC_REAL_TIME_CLOCK_MASK);
break;
- case MMTIMER_MMAPAVAIL: /* can we mmap the clock into userspace? */
- ret = (PAGE_SIZE <= (1 << 16)) ? 1 : 0;
+ case MMTIMER_MMAPAVAIL:
+ ret = 1;
break;
case MMTIMER_GETCOUNTER:
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 04:15:17 +0100