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-rw-r--r--drivers/char/agp/intel-gtt.c128
-rw-r--r--drivers/char/dsp56k.c8
-rw-r--r--drivers/char/dtlk.c4
-rw-r--r--drivers/char/hw_random/virtio-rng.c13
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c66
-rw-r--r--drivers/char/lp.c8
-rw-r--r--drivers/char/mem.c4
-rw-r--r--drivers/char/misc.c16
-rw-r--r--drivers/char/nsc_gpio.c4
-rw-r--r--drivers/char/pcmcia/cm4000_cs.c2
-rw-r--r--drivers/char/ppdev.c6
-rw-r--r--drivers/char/ps3flash.c2
-rw-r--r--drivers/char/raw.c2
-rw-r--r--drivers/char/sonypi.c2
-rw-r--r--drivers/char/tb0219.c4
-rw-r--r--drivers/char/virtio_console.c18
16 files changed, 162 insertions, 125 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index dbd901e94ea6..b8e2014cb9cb 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -60,7 +60,6 @@ struct intel_gtt_driver {
};
static struct _intel_private {
- struct intel_gtt base;
const struct intel_gtt_driver *driver;
struct pci_dev *pcidev; /* device one */
struct pci_dev *bridge_dev;
@@ -75,7 +74,18 @@ static struct _intel_private {
struct resource ifp_resource;
int resource_valid;
struct page *scratch_page;
+ phys_addr_t scratch_page_dma;
int refcount;
+ /* Whether i915 needs to use the dmar apis or not. */
+ unsigned int needs_dmar : 1;
+ phys_addr_t gma_bus_addr;
+ /* Size of memory reserved for graphics by the BIOS */
+ unsigned int stolen_size;
+ /* Total number of gtt entries. */
+ unsigned int gtt_total_entries;
+ /* Part of the gtt that is mappable by the cpu, for those chips where
+ * this is not the full gtt. */
+ unsigned int gtt_mappable_entries;
} intel_private;
#define INTEL_GTT_GEN intel_private.driver->gen
@@ -291,15 +301,15 @@ static int intel_gtt_setup_scratch_page(void)
get_page(page);
set_pages_uc(page, 1);
- if (intel_private.base.needs_dmar) {
+ if (intel_private.needs_dmar) {
dma_addr = pci_map_page(intel_private.pcidev, page, 0,
PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
if (pci_dma_mapping_error(intel_private.pcidev, dma_addr))
return -EINVAL;
- intel_private.base.scratch_page_dma = dma_addr;
+ intel_private.scratch_page_dma = dma_addr;
} else
- intel_private.base.scratch_page_dma = page_to_phys(page);
+ intel_private.scratch_page_dma = page_to_phys(page);
intel_private.scratch_page = page;
@@ -506,7 +516,7 @@ static unsigned int intel_gtt_total_entries(void)
/* On previous hardware, the GTT size was just what was
* required to map the aperture.
*/
- return intel_private.base.gtt_mappable_entries;
+ return intel_private.gtt_mappable_entries;
}
}
@@ -546,7 +556,7 @@ static unsigned int intel_gtt_mappable_entries(void)
static void intel_gtt_teardown_scratch_page(void)
{
set_pages_wb(intel_private.scratch_page, 1);
- pci_unmap_page(intel_private.pcidev, intel_private.base.scratch_page_dma,
+ pci_unmap_page(intel_private.pcidev, intel_private.scratch_page_dma,
PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
put_page(intel_private.scratch_page);
__free_page(intel_private.scratch_page);
@@ -562,6 +572,40 @@ static void intel_gtt_cleanup(void)
intel_gtt_teardown_scratch_page();
}
+/* Certain Gen5 chipsets require require idling the GPU before
+ * unmapping anything from the GTT when VT-d is enabled.
+ */
+static inline int needs_ilk_vtd_wa(void)
+{
+#ifdef CONFIG_INTEL_IOMMU
+ const unsigned short gpu_devid = intel_private.pcidev->device;
+
+ /* Query intel_iommu to see if we need the workaround. Presumably that
+ * was loaded first.
+ */
+ if ((gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB ||
+ gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG) &&
+ intel_iommu_gfx_mapped)
+ return 1;
+#endif
+ return 0;
+}
+
+static bool intel_gtt_can_wc(void)
+{
+ if (INTEL_GTT_GEN <= 2)
+ return false;
+
+ if (INTEL_GTT_GEN >= 6)
+ return false;
+
+ /* Reports of major corruption with ILK vt'd enabled */
+ if (needs_ilk_vtd_wa())
+ return false;
+
+ return true;
+}
+
static int intel_gtt_init(void)
{
u32 gma_addr;
@@ -572,8 +616,8 @@ static int intel_gtt_init(void)
if (ret != 0)
return ret;
- intel_private.base.gtt_mappable_entries = intel_gtt_mappable_entries();
- intel_private.base.gtt_total_entries = intel_gtt_total_entries();
+ intel_private.gtt_mappable_entries = intel_gtt_mappable_entries();
+ intel_private.gtt_total_entries = intel_gtt_total_entries();
/* save the PGETBL reg for resume */
intel_private.PGETBL_save =
@@ -585,13 +629,13 @@ static int intel_gtt_init(void)
dev_info(&intel_private.bridge_dev->dev,
"detected gtt size: %dK total, %dK mappable\n",
- intel_private.base.gtt_total_entries * 4,
- intel_private.base.gtt_mappable_entries * 4);
+ intel_private.gtt_total_entries * 4,
+ intel_private.gtt_mappable_entries * 4);
- gtt_map_size = intel_private.base.gtt_total_entries * 4;
+ gtt_map_size = intel_private.gtt_total_entries * 4;
intel_private.gtt = NULL;
- if (INTEL_GTT_GEN < 6 && INTEL_GTT_GEN > 2)
+ if (intel_gtt_can_wc())
intel_private.gtt = ioremap_wc(intel_private.gtt_bus_addr,
gtt_map_size);
if (intel_private.gtt == NULL)
@@ -602,13 +646,12 @@ static int intel_gtt_init(void)
iounmap(intel_private.registers);
return -ENOMEM;
}
- intel_private.base.gtt = intel_private.gtt;
global_cache_flush(); /* FIXME: ? */
- intel_private.base.stolen_size = intel_gtt_stolen_size();
+ intel_private.stolen_size = intel_gtt_stolen_size();
- intel_private.base.needs_dmar = USE_PCI_DMA_API && INTEL_GTT_GEN > 2;
+ intel_private.needs_dmar = USE_PCI_DMA_API && INTEL_GTT_GEN > 2;
ret = intel_gtt_setup_scratch_page();
if (ret != 0) {
@@ -623,7 +666,7 @@ static int intel_gtt_init(void)
pci_read_config_dword(intel_private.pcidev, I915_GMADDR,
&gma_addr);
- intel_private.base.gma_bus_addr = (gma_addr & PCI_BASE_ADDRESS_MEM_MASK);
+ intel_private.gma_bus_addr = (gma_addr & PCI_BASE_ADDRESS_MEM_MASK);
return 0;
}
@@ -634,8 +677,7 @@ static int intel_fake_agp_fetch_size(void)
unsigned int aper_size;
int i;
- aper_size = (intel_private.base.gtt_mappable_entries << PAGE_SHIFT)
- / MB(1);
+ aper_size = (intel_private.gtt_mappable_entries << PAGE_SHIFT) / MB(1);
for (i = 0; i < num_sizes; i++) {
if (aper_size == intel_fake_agp_sizes[i].size) {
@@ -779,7 +821,7 @@ static int intel_fake_agp_configure(void)
return -EIO;
intel_private.clear_fake_agp = true;
- agp_bridge->gart_bus_addr = intel_private.base.gma_bus_addr;
+ agp_bridge->gart_bus_addr = intel_private.gma_bus_addr;
return 0;
}
@@ -841,12 +883,9 @@ static int intel_fake_agp_insert_entries(struct agp_memory *mem,
{
int ret = -EINVAL;
- if (intel_private.base.do_idle_maps)
- return -ENODEV;
-
if (intel_private.clear_fake_agp) {
- int start = intel_private.base.stolen_size / PAGE_SIZE;
- int end = intel_private.base.gtt_mappable_entries;
+ int start = intel_private.stolen_size / PAGE_SIZE;
+ int end = intel_private.gtt_mappable_entries;
intel_gtt_clear_range(start, end - start);
intel_private.clear_fake_agp = false;
}
@@ -857,7 +896,7 @@ static int intel_fake_agp_insert_entries(struct agp_memory *mem,
if (mem->page_count == 0)
goto out;
- if (pg_start + mem->page_count > intel_private.base.gtt_total_entries)
+ if (pg_start + mem->page_count > intel_private.gtt_total_entries)
goto out_err;
if (type != mem->type)
@@ -869,7 +908,7 @@ static int intel_fake_agp_insert_entries(struct agp_memory *mem,
if (!mem->is_flushed)
global_cache_flush();
- if (intel_private.base.needs_dmar) {
+ if (intel_private.needs_dmar) {
struct sg_table st;
ret = intel_gtt_map_memory(mem->pages, mem->page_count, &st);
@@ -895,7 +934,7 @@ void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries)
unsigned int i;
for (i = first_entry; i < (first_entry + num_entries); i++) {
- intel_private.driver->write_entry(intel_private.base.scratch_page_dma,
+ intel_private.driver->write_entry(intel_private.scratch_page_dma,
i, 0);
}
readl(intel_private.gtt+i-1);
@@ -908,12 +947,9 @@ static int intel_fake_agp_remove_entries(struct agp_memory *mem,
if (mem->page_count == 0)
return 0;
- if (intel_private.base.do_idle_maps)
- return -ENODEV;
-
intel_gtt_clear_range(pg_start, mem->page_count);
- if (intel_private.base.needs_dmar) {
+ if (intel_private.needs_dmar) {
intel_gtt_unmap_memory(mem->sg_list, mem->num_sg);
mem->sg_list = NULL;
mem->num_sg = 0;
@@ -1070,25 +1106,6 @@ static void i965_write_entry(dma_addr_t addr,
writel(addr | pte_flags, intel_private.gtt + entry);
}
-/* Certain Gen5 chipsets require require idling the GPU before
- * unmapping anything from the GTT when VT-d is enabled.
- */
-static inline int needs_idle_maps(void)
-{
-#ifdef CONFIG_INTEL_IOMMU
- const unsigned short gpu_devid = intel_private.pcidev->device;
-
- /* Query intel_iommu to see if we need the workaround. Presumably that
- * was loaded first.
- */
- if ((gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB ||
- gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG) &&
- intel_iommu_gfx_mapped)
- return 1;
-#endif
- return 0;
-}
-
static int i9xx_setup(void)
{
u32 reg_addr, gtt_addr;
@@ -1116,9 +1133,6 @@ static int i9xx_setup(void)
break;
}
- if (needs_idle_maps())
- intel_private.base.do_idle_maps = 1;
-
intel_i9xx_setup_flush();
return 0;
@@ -1390,9 +1404,13 @@ int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
}
EXPORT_SYMBOL(intel_gmch_probe);
-struct intel_gtt *intel_gtt_get(void)
+void intel_gtt_get(size_t *gtt_total, size_t *stolen_size,
+ phys_addr_t *mappable_base, unsigned long *mappable_end)
{
- return &intel_private.base;
+ *gtt_total = intel_private.gtt_total_entries << PAGE_SHIFT;
+ *stolen_size = intel_private.stolen_size;
+ *mappable_base = intel_private.gma_bus_addr;
+ *mappable_end = intel_private.gtt_mappable_entries << PAGE_SHIFT;
}
EXPORT_SYMBOL(intel_gtt_get);
diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index 052797b32bd3..01a5ca7425d7 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -181,7 +181,7 @@ static int dsp56k_upload(u_char __user *bin, int len)
static ssize_t dsp56k_read(struct file *file, char __user *buf, size_t count,
loff_t *ppos)
{
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
int dev = iminor(inode) & 0x0f;
switch(dev)
@@ -244,7 +244,7 @@ static ssize_t dsp56k_read(struct file *file, char __user *buf, size_t count,
static ssize_t dsp56k_write(struct file *file, const char __user *buf, size_t count,
loff_t *ppos)
{
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
int dev = iminor(inode) & 0x0f;
switch(dev)
@@ -306,7 +306,7 @@ static ssize_t dsp56k_write(struct file *file, const char __user *buf, size_t co
static long dsp56k_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
- int dev = iminor(file->f_path.dentry->d_inode) & 0x0f;
+ int dev = iminor(file_inode(file)) & 0x0f;
void __user *argp = (void __user *)arg;
switch(dev)
@@ -408,7 +408,7 @@ static long dsp56k_ioctl(struct file *file, unsigned int cmd,
#if 0
static unsigned int dsp56k_poll(struct file *file, poll_table *wait)
{
- int dev = iminor(file->f_path.dentry->d_inode) & 0x0f;
+ int dev = iminor(file_inode(file)) & 0x0f;
switch(dev)
{
diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c
index 85156dd0caee..65a8d96c0e93 100644
--- a/drivers/char/dtlk.c
+++ b/drivers/char/dtlk.c
@@ -125,7 +125,7 @@ static char dtlk_write_tts(char);
static ssize_t dtlk_read(struct file *file, char __user *buf,
size_t count, loff_t * ppos)
{
- unsigned int minor = iminor(file->f_path.dentry->d_inode);
+ unsigned int minor = iminor(file_inode(file));
char ch;
int i = 0, retries;
@@ -177,7 +177,7 @@ static ssize_t dtlk_write(struct file *file, const char __user *buf,
}
#endif
- if (iminor(file->f_path.dentry->d_inode) != DTLK_MINOR)
+ if (iminor(file_inode(file)) != DTLK_MINOR)
return -EINVAL;
while (1) {
diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index b65c10395959..10fd71ccf587 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -154,18 +154,7 @@ static struct virtio_driver virtio_rng_driver = {
#endif
};
-static int __init init(void)
-{
- return register_virtio_driver(&virtio_rng_driver);
-}
-
-static void __exit fini(void)
-{
- unregister_virtio_driver(&virtio_rng_driver);
-}
-module_init(init);
-module_exit(fini);
-
+module_virtio_driver(virtio_rng_driver);
MODULE_DEVICE_TABLE(virtio, id_table);
MODULE_DESCRIPTION("Virtio random number driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 1c7fdcd22a98..0ac9b45a585e 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1208,6 +1208,16 @@ static int smi_num; /* Used to sequence the SMIs */
#define DEFAULT_REGSPACING 1
#define DEFAULT_REGSIZE 1
+#ifdef CONFIG_ACPI
+static bool si_tryacpi = 1;
+#endif
+#ifdef CONFIG_DMI
+static bool si_trydmi = 1;
+#endif
+static bool si_tryplatform = 1;
+#ifdef CONFIG_PCI
+static bool si_trypci = 1;
+#endif
static bool si_trydefaults = 1;
static char *si_type[SI_MAX_PARMS];
#define MAX_SI_TYPE_STR 30
@@ -1238,6 +1248,25 @@ MODULE_PARM_DESC(hotmod, "Add and remove interfaces. See"
" Documentation/IPMI.txt in the kernel sources for the"
" gory details.");
+#ifdef CONFIG_ACPI
+module_param_named(tryacpi, si_tryacpi, bool, 0);
+MODULE_PARM_DESC(tryacpi, "Setting this to zero will disable the"
+ " default scan of the interfaces identified via ACPI");
+#endif
+#ifdef CONFIG_DMI
+module_param_named(trydmi, si_trydmi, bool, 0);
+MODULE_PARM_DESC(trydmi, "Setting this to zero will disable the"
+ " default scan of the interfaces identified via DMI");
+#endif
+module_param_named(tryplatform, si_tryplatform, bool, 0);
+MODULE_PARM_DESC(tryacpi, "Setting this to zero will disable the"
+ " default scan of the interfaces identified via platform"
+ " interfaces like openfirmware");
+#ifdef CONFIG_PCI
+module_param_named(trypci, si_trypci, bool, 0);
+MODULE_PARM_DESC(tryacpi, "Setting this to zero will disable the"
+ " default scan of the interfaces identified via pci");
+#endif
module_param_named(trydefaults, si_trydefaults, bool, 0);
MODULE_PARM_DESC(trydefaults, "Setting this to 'false' will disable the"
" default scan of the KCS and SMIC interface at the standard"
@@ -3371,13 +3400,15 @@ static int init_ipmi_si(void)
return 0;
initialized = 1;
- rv = platform_driver_register(&ipmi_driver);
- if (rv) {
- printk(KERN_ERR PFX "Unable to register driver: %d\n", rv);
- return rv;
+ if (si_tryplatform) {
+ rv = platform_driver_register(&ipmi_driver);
+ if (rv) {
+ printk(KERN_ERR PFX "Unable to register "
+ "driver: %d\n", rv);
+ return rv;
+ }
}
-
/* Parse out the si_type string into its components. */
str = si_type_str;
if (*str != '\0') {
@@ -3400,24 +3431,31 @@ static int init_ipmi_si(void)
return 0;
#ifdef CONFIG_PCI
- rv = pci_register_driver(&ipmi_pci_driver);
- if (rv)
- printk(KERN_ERR PFX "Unable to register PCI driver: %d\n", rv);
- else
- pci_registered = 1;
+ if (si_trypci) {
+ rv = pci_register_driver(&ipmi_pci_driver);
+ if (rv)
+ printk(KERN_ERR PFX "Unable to register "
+ "PCI driver: %d\n", rv);
+ else
+ pci_registered = 1;
+ }
#endif
#ifdef CONFIG_ACPI
- pnp_register_driver(&ipmi_pnp_driver);
- pnp_registered = 1;
+ if (si_tryacpi) {
+ pnp_register_driver(&ipmi_pnp_driver);
+ pnp_registered = 1;
+ }
#endif
#ifdef CONFIG_DMI
- dmi_find_bmc();
+ if (si_trydmi)
+ dmi_find_bmc();
#endif
#ifdef CONFIG_ACPI
- spmi_find_bmc();
+ if (si_tryacpi)
+ spmi_find_bmc();
#endif
/* We prefer devices with interrupts, but in the case of a machine
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index a741e418b456..dafd9ac6428f 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -294,7 +294,7 @@ static int lp_wait_ready(int minor, int nonblock)
static ssize_t lp_write(struct file * file, const char __user * buf,
size_t count, loff_t *ppos)
{
- unsigned int minor = iminor(file->f_path.dentry->d_inode);
+ unsigned int minor = iminor(file_inode(file));
struct parport *port = lp_table[minor].dev->port;
char *kbuf = lp_table[minor].lp_buffer;
ssize_t retv = 0;
@@ -413,7 +413,7 @@ static ssize_t lp_read(struct file * file, char __user * buf,
size_t count, loff_t *ppos)
{
DEFINE_WAIT(wait);
- unsigned int minor=iminor(file->f_path.dentry->d_inode);
+ unsigned int minor=iminor(file_inode(file));
struct parport *port = lp_table[minor].dev->port;
ssize_t retval = 0;
char *kbuf = lp_table[minor].lp_buffer;
@@ -679,7 +679,7 @@ static long lp_ioctl(struct file *file, unsigned int cmd,
struct timeval par_timeout;
int ret;
- minor = iminor(file->f_path.dentry->d_inode);
+ minor = iminor(file_inode(file));
mutex_lock(&lp_mutex);
switch (cmd) {
case LPSETTIMEOUT:
@@ -707,7 +707,7 @@ static long lp_compat_ioctl(struct file *file, unsigned int cmd,
struct timeval par_timeout;
int ret;
- minor = iminor(file->f_path.dentry->d_inode);
+ minor = iminor(file_inode(file));
mutex_lock(&lp_mutex);
switch (cmd) {
case LPSETTIMEOUT:
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 6f6e92a3102d..2c644afbcdd4 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -708,7 +708,7 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig)
{
loff_t ret;
- mutex_lock(&file->f_path.dentry->d_inode->i_mutex);
+ mutex_lock(&file_inode(file)->i_mutex);
switch (orig) {
case SEEK_CUR:
offset += file->f_pos;
@@ -725,7 +725,7 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig)
default:
ret = -EINVAL;
}
- mutex_unlock(&file->f_path.dentry->d_inode->i_mutex);
+ mutex_unlock(&file_inode(file)->i_mutex);
return ret;
}
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 522136d40843..190d4423653f 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -183,19 +183,12 @@ static const struct file_operations misc_fops = {
int misc_register(struct miscdevice * misc)
{
- struct miscdevice *c;
dev_t dev;
int err = 0;
INIT_LIST_HEAD(&misc->list);
mutex_lock(&misc_mtx);
- list_for_each_entry(c, &misc_list, list) {
- if (c->minor == misc->minor) {
- mutex_unlock(&misc_mtx);
- return -EBUSY;
- }
- }
if (misc->minor == MISC_DYNAMIC_MINOR) {
int i = find_first_zero_bit(misc_minors, DYNAMIC_MINORS);
@@ -205,6 +198,15 @@ int misc_register(struct miscdevice * misc)
}
misc->minor = DYNAMIC_MINORS - i - 1;
set_bit(i, misc_minors);
+ } else {
+ struct miscdevice *c;
+
+ list_for_each_entry(c, &misc_list, list) {
+ if (c->minor == misc->minor) {
+ mutex_unlock(&misc_mtx);
+ return -EBUSY;
+ }
+ }
}
dev = MKDEV(MISC_MAJOR, misc->minor);
diff --git a/drivers/char/nsc_gpio.c b/drivers/char/nsc_gpio.c
index 808d44e9a32a..b07b119ae57f 100644
--- a/drivers/char/nsc_gpio.c
+++ b/drivers/char/nsc_gpio.c
@@ -41,7 +41,7 @@ void nsc_gpio_dump(struct nsc_gpio_ops *amp, unsigned index)
ssize_t nsc_gpio_write(struct file *file, const char __user *data,
size_t len, loff_t *ppos)
{
- unsigned m = iminor(file->f_path.dentry->d_inode);
+ unsigned m = iminor(file_inode(file));
struct nsc_gpio_ops *amp = file->private_data;
struct device *dev = amp->dev;
size_t i;
@@ -104,7 +104,7 @@ ssize_t nsc_gpio_write(struct file *file, const char __user *data,
ssize_t nsc_gpio_read(struct file *file, char __user * buf,
size_t len, loff_t * ppos)
{
- unsigned m = iminor(file->f_path.dentry->d_inode);
+ unsigned m = iminor(file_inode(file));
int value;
struct nsc_gpio_ops *amp = file->private_data;
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index a7584860e9a7..c115217c79ae 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1400,7 +1400,7 @@ static long cmm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct cm4000_dev *dev = filp->private_data;
unsigned int iobase = dev->p_dev->resource[0]->start;
- struct inode *inode = filp->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(filp);
struct pcmcia_device *link;
int size;
int rc;
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 1cd49241e60e..ae0b42b66e55 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -107,7 +107,7 @@ static inline void pp_enable_irq (struct pp_struct *pp)
static ssize_t pp_read (struct file * file, char __user * buf, size_t count,
loff_t * ppos)
{
- unsigned int minor = iminor(file->f_path.dentry->d_inode);
+ unsigned int minor = iminor(file_inode(file));
struct pp_struct *pp = file->private_data;
char * kbuffer;
ssize_t bytes_read = 0;
@@ -189,7 +189,7 @@ static ssize_t pp_read (struct file * file, char __user * buf, size_t count,
static ssize_t pp_write (struct file * file, const char __user * buf,
size_t count, loff_t * ppos)
{
- unsigned int minor = iminor(file->f_path.dentry->d_inode);
+ unsigned int minor = iminor(file_inode(file));
struct pp_struct *pp = file->private_data;
char * kbuffer;
ssize_t bytes_written = 0;
@@ -324,7 +324,7 @@ static enum ieee1284_phase init_phase (int mode)
static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
- unsigned int minor = iminor(file->f_path.dentry->d_inode);
+ unsigned int minor = iminor(file_inode(file));
struct pp_struct *pp = file->private_data;
struct parport * port;
void __user *argp = (void __user *)arg;
diff --git a/drivers/char/ps3flash.c b/drivers/char/ps3flash.c
index 588063ac9517..8cafa9ccd43f 100644
--- a/drivers/char/ps3flash.c
+++ b/drivers/char/ps3flash.c
@@ -312,7 +312,7 @@ static int ps3flash_flush(struct file *file, fl_owner_t id)
static int ps3flash_fsync(struct file *file, loff_t start, loff_t end, int datasync)
{
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
int err;
mutex_lock(&inode->i_mutex);
err = ps3flash_writeback(ps3flash_dev);
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 54a3a6d09819..f3223aac4df1 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -80,7 +80,7 @@ static int raw_open(struct inode *inode, struct file *filp)
filp->f_flags |= O_DIRECT;
filp->f_mapping = bdev->bd_inode->i_mapping;
if (++raw_devices[minor].inuse == 1)
- filp->f_path.dentry->d_inode->i_mapping =
+ file_inode(filp)->i_mapping =
bdev->bd_inode->i_mapping;
filp->private_data = bdev;
mutex_unlock(&raw_mutex);
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 6386a98e43c1..bf2349dbbf7f 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -938,7 +938,7 @@ static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
}
if (ret > 0) {
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
inode->i_atime = current_fs_time(inode->i_sb);
}
diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c
index 34c63f85104d..47b9fdfcf083 100644
--- a/drivers/char/tb0219.c
+++ b/drivers/char/tb0219.c
@@ -164,7 +164,7 @@ static ssize_t tanbac_tb0219_read(struct file *file, char __user *buf, size_t le
unsigned int minor;
char value;
- minor = iminor(file->f_path.dentry->d_inode);
+ minor = iminor(file_inode(file));
switch (minor) {
case 0:
value = get_led();
@@ -200,7 +200,7 @@ static ssize_t tanbac_tb0219_write(struct file *file, const char __user *data,
int retval = 0;
char c;
- minor = iminor(file->f_path.dentry->d_inode);
+ minor = iminor(file_inode(file));
switch (minor) {
case 0:
type = TYPE_LED;
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index ee4dbeafb377..e905d5f53051 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -61,9 +61,6 @@ struct ports_driver_data {
/* List of all the devices we're handling */
struct list_head portdevs;
- /* Number of devices this driver is handling */
- unsigned int index;
-
/*
* This is used to keep track of the number of hvc consoles
* spawned by this driver. This number is given as the first
@@ -169,9 +166,6 @@ struct ports_device {
/* Array of per-port IO virtqueues */
struct virtqueue **in_vqs, **out_vqs;
- /* Used for numbering devices for sysfs and debugfs */
- unsigned int drv_index;
-
/* Major number for this device. Ports will be created as minors. */
int chr_major;
};
@@ -1415,7 +1409,7 @@ static int add_port(struct ports_device *portdev, u32 id)
}
port->dev = device_create(pdrvdata.class, &port->portdev->vdev->dev,
devt, port, "vport%up%u",
- port->portdev->drv_index, id);
+ port->portdev->vdev->index, id);
if (IS_ERR(port->dev)) {
err = PTR_ERR(port->dev);
dev_err(&port->portdev->vdev->dev,
@@ -1442,7 +1436,7 @@ static int add_port(struct ports_device *portdev, u32 id)
* rproc_serial does not want the console port, only
* the generic port implementation.
*/
- port->host_connected = true;
+ port->host_connected = port->guest_connected = true;
else if (!use_multiport(port->portdev)) {
/*
* If we're not using multiport support,
@@ -1470,7 +1464,7 @@ static int add_port(struct ports_device *portdev, u32 id)
* inspect a port's state at any time
*/
sprintf(debugfs_name, "vport%up%u",
- port->portdev->drv_index, id);
+ port->portdev->vdev->index, id);
port->debugfs_file = debugfs_create_file(debugfs_name, 0444,
pdrvdata.debugfs_dir,
port,
@@ -1958,16 +1952,12 @@ static int virtcons_probe(struct virtio_device *vdev)
portdev->vdev = vdev;
vdev->priv = portdev;
- spin_lock_irq(&pdrvdata_lock);
- portdev->drv_index = pdrvdata.index++;
- spin_unlock_irq(&pdrvdata_lock);
-
portdev->chr_major = register_chrdev(0, "virtio-portsdev",
&portdev_fops);
if (portdev->chr_major < 0) {
dev_err(&vdev->dev,
"Error %d registering chrdev for device %u\n",
- portdev->chr_major, portdev->drv_index);
+ portdev->chr_major, vdev->index);
err = portdev->chr_major;
goto free;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 04:37:35 +0100