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-rw-r--r--drivers/char/agp/ali-agp.c2
-rw-r--r--drivers/char/agp/generic.c22
-rw-r--r--drivers/char/agp/intel-agp.c8
-rw-r--r--drivers/char/agp/nvidia-agp.c9
-rw-r--r--drivers/char/agp/sgi-agp.c5
-rw-r--r--drivers/char/agp/sis-agp.c278
-rw-r--r--drivers/char/agp/sworks-agp.c23
-rw-r--r--drivers/char/briq_panel.c7
-rw-r--r--drivers/char/hvc_console.c49
-rw-r--r--drivers/char/hvc_iseries.c2
-rw-r--r--drivers/char/hvc_vio.c2
-rw-r--r--drivers/char/hvsi.c4
-rw-r--r--drivers/char/pcmcia/synclink_cs.c2
-rw-r--r--drivers/char/random.c38
-rw-r--r--drivers/char/sonypi.c53
-rw-r--r--drivers/char/tpm/tpm_atmel.h4
-rw-r--r--drivers/char/watchdog/Kconfig2
17 files changed, 296 insertions, 214 deletions
diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c
index 5b684fddcc0..4941ddb7893 100644
--- a/drivers/char/agp/ali-agp.c
+++ b/drivers/char/agp/ali-agp.c
@@ -145,6 +145,7 @@ static void *m1541_alloc_page(struct agp_bridge_data *bridge)
void *addr = agp_generic_alloc_page(agp_bridge);
u32 temp;
+ global_flush_tlb();
if (!addr)
return NULL;
@@ -160,6 +161,7 @@ static void ali_destroy_page(void * addr)
if (addr) {
global_cache_flush(); /* is this really needed? --hch */
agp_generic_destroy_page(addr);
+ global_flush_tlb();
}
}
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index f902d71947b..45aeb917ec6 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -51,28 +51,6 @@ int agp_memory_reserved;
*/
EXPORT_SYMBOL_GPL(agp_memory_reserved);
-#if defined(CONFIG_X86)
-int map_page_into_agp(struct page *page)
-{
- int i;
- i = change_page_attr(page, 1, PAGE_KERNEL_NOCACHE);
- /* Caller's responsibility to call global_flush_tlb() for
- * performance reasons */
- return i;
-}
-EXPORT_SYMBOL_GPL(map_page_into_agp);
-
-int unmap_page_from_agp(struct page *page)
-{
- int i;
- i = change_page_attr(page, 1, PAGE_KERNEL);
- /* Caller's responsibility to call global_flush_tlb() for
- * performance reasons */
- return i;
-}
-EXPORT_SYMBOL_GPL(unmap_page_from_agp);
-#endif
-
/*
* Generic routines for handling agp_memory structures -
* They use the basic page allocation routines to do the brunt of the work.
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 55392a45a14..9c69f2e761f 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -186,8 +186,9 @@ static void *i8xx_alloc_pages(void)
return NULL;
if (change_page_attr(page, 4, PAGE_KERNEL_NOCACHE) < 0) {
+ change_page_attr(page, 4, PAGE_KERNEL);
global_flush_tlb();
- __free_page(page);
+ __free_pages(page, 2);
return NULL;
}
global_flush_tlb();
@@ -209,7 +210,7 @@ static void i8xx_destroy_pages(void *addr)
global_flush_tlb();
put_page(page);
unlock_page(page);
- free_pages((unsigned long)addr, 2);
+ __free_pages(page, 2);
atomic_dec(&agp_bridge->current_memory_agp);
}
@@ -315,9 +316,6 @@ static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type)
struct agp_memory *new;
void *addr;
- if (pg_count != 1 && pg_count != 4)
- return NULL;
-
switch (pg_count) {
case 1: addr = agp_bridge->driver->agp_alloc_page(agp_bridge);
global_flush_tlb();
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 0c9dab557c9..6cd7373dcdf 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -320,11 +320,11 @@ static int __devinit agp_nvidia_probe(struct pci_dev *pdev,
u8 cap_ptr;
nvidia_private.dev_1 =
- pci_find_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 1));
+ pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 1));
nvidia_private.dev_2 =
- pci_find_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 2));
+ pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 2));
nvidia_private.dev_3 =
- pci_find_slot((unsigned int)pdev->bus->number, PCI_DEVFN(30, 0));
+ pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(30, 0));
if (!nvidia_private.dev_1 || !nvidia_private.dev_2 || !nvidia_private.dev_3) {
printk(KERN_INFO PFX "Detected an NVIDIA nForce/nForce2 "
@@ -443,6 +443,9 @@ static int __init agp_nvidia_init(void)
static void __exit agp_nvidia_cleanup(void)
{
pci_unregister_driver(&agp_nvidia_pci_driver);
+ pci_dev_put(nvidia_private.dev_1);
+ pci_dev_put(nvidia_private.dev_2);
+ pci_dev_put(nvidia_private.dev_3);
}
module_init(agp_nvidia_init);
diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c
index ee8f50edde1..cda608c42be 100644
--- a/drivers/char/agp/sgi-agp.c
+++ b/drivers/char/agp/sgi-agp.c
@@ -47,9 +47,8 @@ static void *sgi_tioca_alloc_page(struct agp_bridge_data *bridge)
nid = info->ca_closest_node;
page = alloc_pages_node(nid, GFP_KERNEL, 0);
- if (page == NULL) {
- return 0;
- }
+ if (!page)
+ return NULL;
get_page(page);
SetPageLocked(page);
diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c
index 125f4282d95..eb1a1c73819 100644
--- a/drivers/char/agp/sis-agp.c
+++ b/drivers/char/agp/sis-agp.c
@@ -143,96 +143,6 @@ static struct agp_bridge_driver sis_driver = {
.agp_type_to_mask_type = agp_generic_type_to_mask_type,
};
-static struct agp_device_ids sis_agp_device_ids[] __devinitdata =
-{
- {
- .device_id = PCI_DEVICE_ID_SI_5591_AGP,
- .chipset_name = "5591",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_530,
- .chipset_name = "530",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_540,
- .chipset_name = "540",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_550,
- .chipset_name = "550",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_620,
- .chipset_name = "620",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_630,
- .chipset_name = "630",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_635,
- .chipset_name = "635",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_645,
- .chipset_name = "645",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_646,
- .chipset_name = "646",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_648,
- .chipset_name = "648",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_650,
- .chipset_name = "650",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_651,
- .chipset_name = "651",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_655,
- .chipset_name = "655",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_661,
- .chipset_name = "661",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_730,
- .chipset_name = "730",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_735,
- .chipset_name = "735",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_740,
- .chipset_name = "740",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_741,
- .chipset_name = "741",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_745,
- .chipset_name = "745",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_746,
- .chipset_name = "746",
- },
- {
- .device_id = PCI_DEVICE_ID_SI_760,
- .chipset_name = "760",
- },
- { }, /* dummy final entry, always present */
-};
-
-
// chipsets that require the 'delay hack'
static int sis_broken_chipsets[] __devinitdata = {
PCI_DEVICE_ID_SI_648,
@@ -269,29 +179,15 @@ static void __devinit sis_get_driver(struct agp_bridge_data *bridge)
static int __devinit agp_sis_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
- struct agp_device_ids *devs = sis_agp_device_ids;
struct agp_bridge_data *bridge;
u8 cap_ptr;
- int j;
cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
if (!cap_ptr)
return -ENODEV;
- /* probe for known chipsets */
- for (j = 0; devs[j].chipset_name; j++) {
- if (pdev->device == devs[j].device_id) {
- printk(KERN_INFO PFX "Detected SiS %s chipset\n",
- devs[j].chipset_name);
- goto found;
- }
- }
-
- printk(KERN_ERR PFX "Unsupported SiS chipset (device id: %04x)\n",
- pdev->device);
- return -ENODEV;
-found:
+ printk(KERN_INFO PFX "Detected SiS chipset - id:%i\n", pdev->device);
bridge = agp_alloc_bridge();
if (!bridge)
return -ENOMEM;
@@ -320,12 +216,172 @@ static void __devexit agp_sis_remove(struct pci_dev *pdev)
static struct pci_device_id agp_sis_pci_table[] = {
{
- .class = (PCI_CLASS_BRIDGE_HOST << 8),
- .class_mask = ~0,
- .vendor = PCI_VENDOR_ID_SI,
- .device = PCI_ANY_ID,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_5591_AGP,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_530,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_540,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_550,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_620,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_630,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_635,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_645,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_646,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_648,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_650,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_651,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_655,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_661,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_730,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_735,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_740,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_741,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_745,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_746,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ {
+ .class = (PCI_CLASS_BRIDGE_HOST << 8),
+ .class_mask = ~0,
+ .vendor = PCI_VENDOR_ID_SI,
+ .device = PCI_DEVICE_ID_SI_760,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
},
{ }
};
diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c
index 55212a3811f..551ef25063e 100644
--- a/drivers/char/agp/sworks-agp.c
+++ b/drivers/char/agp/sworks-agp.c
@@ -455,15 +455,6 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
u32 temp, temp2;
u8 cap_ptr = 0;
- /* Everything is on func 1 here so we are hardcoding function one */
- bridge_dev = pci_find_slot((unsigned int)pdev->bus->number,
- PCI_DEVFN(0, 1));
- if (!bridge_dev) {
- printk(KERN_INFO PFX "Detected a Serverworks chipset "
- "but could not find the secondary device.\n");
- return -ENODEV;
- }
-
cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
switch (pdev->device) {
@@ -483,6 +474,15 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
return -ENODEV;
}
+ /* Everything is on func 1 here so we are hardcoding function one */
+ bridge_dev = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
+ PCI_DEVFN(0, 1));
+ if (!bridge_dev) {
+ printk(KERN_INFO PFX "Detected a Serverworks chipset "
+ "but could not find the secondary device.\n");
+ return -ENODEV;
+ }
+
serverworks_private.svrwrks_dev = bridge_dev;
serverworks_private.gart_addr_ofs = 0x10;
@@ -515,7 +515,7 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
bridge->driver = &sworks_driver;
bridge->dev_private_data = &serverworks_private,
- bridge->dev = pdev;
+ bridge->dev = pci_dev_get(pdev);
pci_set_drvdata(pdev, bridge);
return agp_add_bridge(bridge);
@@ -525,8 +525,11 @@ static void __devexit agp_serverworks_remove(struct pci_dev *pdev)
{
struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
+ pci_dev_put(bridge->dev);
agp_remove_bridge(bridge);
agp_put_bridge(bridge);
+ pci_dev_put(serverworks_private.svrwrks_dev);
+ serverworks_private.svrwrks_dev = NULL;
}
static struct pci_device_id agp_serverworks_pci_table[] = {
diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c
index 8dcf9d20f44..c70d52ace8b 100644
--- a/drivers/char/briq_panel.c
+++ b/drivers/char/briq_panel.c
@@ -202,13 +202,16 @@ static struct miscdevice briq_panel_miscdev = {
static int __init briq_panel_init(void)
{
- struct device_node *root = find_path_device("/");
+ struct device_node *root = of_find_node_by_path("/");
const char *machine;
int i;
machine = get_property(root, "model", NULL);
- if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0)
+ if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0) {
+ of_node_put(root);
return -ENODEV;
+ }
+ of_node_put(root);
printk(KERN_INFO
"briq_panel: v%s Dr. Karsten Jeppesen (kj@totalimpact.com)\n",
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index a0a88aa23f5..0f9ed7b46a6 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -47,8 +47,6 @@
#define HVC_MAJOR 229
#define HVC_MINOR 0
-#define TIMEOUT (10)
-
/*
* Wait this long per iteration while trying to push buffered data to the
* hypervisor before allowing the tty to complete a close operation.
@@ -104,12 +102,12 @@ static DEFINE_SPINLOCK(hvc_structs_lock);
/*
* This value is used to assign a tty->index value to a hvc_struct based
* upon order of exposure via hvc_probe(), when we can not match it to
- * a console canidate registered with hvc_instantiate().
+ * a console candidate registered with hvc_instantiate().
*/
static int last_hvc = -1;
/*
- * Do not call this function with either the hvc_strucst_lock or the hvc_struct
+ * Do not call this function with either the hvc_structs_lock or the hvc_struct
* lock held. If successful, this function increments the kobject reference
* count against the target hvc_struct so it should be released when finished.
*/
@@ -162,7 +160,7 @@ void hvc_console_print(struct console *co, const char *b, unsigned count)
if (index >= MAX_NR_HVC_CONSOLES)
return;
- /* This console adapter was removed so it is not useable. */
+ /* This console adapter was removed so it is not usable. */
if (vtermnos[index] < 0)
return;
@@ -220,7 +218,7 @@ struct console hvc_con_driver = {
};
/*
- * Early console initialization. Preceeds driver initialization.
+ * Early console initialization. Precedes driver initialization.
*
* (1) we are first, and the user specified another driver
* -- index will remain -1
@@ -257,7 +255,7 @@ int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops)
if (vtermnos[index] != -1)
return -1;
- /* make sure no no tty has been registerd in this index */
+ /* make sure no no tty has been registered in this index */
hp = hvc_get_by_index(index);
if (hp) {
kobject_put(&hp->kobj);
@@ -267,7 +265,7 @@ int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops)
vtermnos[index] = vtermno;
cons_ops[index] = ops;
- /* reserve all indices upto and including this index */
+ /* reserve all indices up to and including this index */
if (last_hvc < index)
last_hvc = index;
@@ -528,7 +526,7 @@ static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count
/*
* This is actually a contract between the driver and the tty layer outlining
- * how much write room the driver can guarentee will be sent OR BUFFERED. This
+ * how much write room the driver can guarantee will be sent OR BUFFERED. This
* driver MUST honor the return value.
*/
static int hvc_write_room(struct tty_struct *tty)
@@ -550,6 +548,18 @@ static int hvc_chars_in_buffer(struct tty_struct *tty)
return hp->n_outbuf;
}
+/*
+ * timeout will vary between the MIN and MAX values defined here. By default
+ * and during console activity we will use a default MIN_TIMEOUT of 10. When
+ * the console is idle, we increase the timeout value on each pass through
+ * msleep until we reach the max. This may be noticeable as a brief (average
+ * one second) delay on the console before the console responds to input when
+ * there has been no input for some time.
+ */
+#define MIN_TIMEOUT (10)
+#define MAX_TIMEOUT (2000)
+static u32 timeout = MIN_TIMEOUT;
+
#define HVC_POLL_READ 0x00000001
#define HVC_POLL_WRITE 0x00000002
@@ -642,9 +652,14 @@ static int hvc_poll(struct hvc_struct *hp)
bail:
spin_unlock_irqrestore(&hp->lock, flags);
- if (read_total)
+ if (read_total) {
+ /* Activity is occurring, so reset the polling backoff value to
+ a minimum for performance. */
+ timeout = MIN_TIMEOUT;
+
tty_flip_buffer_push(tty);
-
+ }
+
return poll_mask;
}
@@ -688,8 +703,12 @@ int khvcd(void *unused)
if (!hvc_kicked) {
if (poll_mask == 0)
schedule();
- else
- msleep_interruptible(TIMEOUT);
+ else {
+ if (timeout < MAX_TIMEOUT)
+ timeout += (timeout >> 6) + 1;
+
+ msleep_interruptible(timeout);
+ }
}
__set_current_state(TASK_RUNNING);
} while (!kthread_should_stop());
@@ -794,7 +813,7 @@ int __devexit hvc_remove(struct hvc_struct *hp)
/*
* We 'put' the instance that was grabbed when the kobject instance
- * was intialized using kobject_init(). Let the last holder of this
+ * was initialized using kobject_init(). Let the last holder of this
* kobject cause it to be removed, which will probably be the tty_hangup
* below.
*/
@@ -850,7 +869,7 @@ int __init hvc_init(void)
}
module_init(hvc_init);
-/* This isn't particularily necessary due to this being a console driver
+/* This isn't particularly necessary due to this being a console driver
* but it is nice to be thorough.
*/
static void __exit hvc_exit(void)
diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c
index f144a947bd1..ec420fe8a90 100644
--- a/drivers/char/hvc_iseries.c
+++ b/drivers/char/hvc_iseries.c
@@ -575,7 +575,7 @@ static int hvc_find_vtys(void)
(num_found >= VTTY_PORTS))
break;
- vtermno = get_property(vty, "reg", NULL);
+ vtermno = of_get_property(vty, "reg", NULL);
if (!vtermno)
continue;
diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c
index f9c00844d2b..94a542e20ef 100644
--- a/drivers/char/hvc_vio.c
+++ b/drivers/char/hvc_vio.c
@@ -153,7 +153,7 @@ static int hvc_find_vtys(void)
if (num_found >= MAX_NR_HVC_CONSOLES)
break;
- vtermno = get_property(vty, "reg", NULL);
+ vtermno = of_get_property(vty, "reg", NULL);
if (!vtermno)
continue;
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 50315d6364f..d5a752da322 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -1279,8 +1279,8 @@ static int __init hvsi_console_init(void)
struct hvsi_struct *hp;
const uint32_t *vtermno, *irq;
- vtermno = get_property(vty, "reg", NULL);
- irq = get_property(vty, "interrupts", NULL);
+ vtermno = of_get_property(vty, "reg", NULL);
+ irq = of_get_property(vty, "interrupts", NULL);
if (!vtermno || !irq)
continue;
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 8d025e9b5bc..157b1d09ab5 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -4169,7 +4169,7 @@ static int hdlcdev_xmit(struct sk_buff *skb, struct net_device *dev)
netif_stop_queue(dev);
/* copy data to device buffers */
- memcpy(info->tx_buf, skb->data, skb->len);
+ skb_copy_from_linear_data(skb, info->tx_buf, skb->len);
info->tx_get = 0;
info->tx_put = info->tx_count = skb->len;
diff --git a/drivers/char/random.c b/drivers/char/random.c
index b9dc7aa1dfb..46c1b97748b 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -881,15 +881,15 @@ EXPORT_SYMBOL(get_random_bytes);
*/
static void init_std_data(struct entropy_store *r)
{
- struct timeval tv;
+ ktime_t now;
unsigned long flags;
spin_lock_irqsave(&r->lock, flags);
r->entropy_count = 0;
spin_unlock_irqrestore(&r->lock, flags);
- do_gettimeofday(&tv);
- add_entropy_words(r, (__u32 *)&tv, sizeof(tv)/4);
+ now = ktime_get_real();
+ add_entropy_words(r, (__u32 *)&now, sizeof(now)/4);
add_entropy_words(r, (__u32 *)utsname(),
sizeof(*(utsname()))/4);
}
@@ -911,14 +911,12 @@ void rand_initialize_irq(int irq)
return;
/*
- * If kmalloc returns null, we just won't use that entropy
+ * If kzalloc returns null, we just won't use that entropy
* source.
*/
- state = kmalloc(sizeof(struct timer_rand_state), GFP_KERNEL);
- if (state) {
- memset(state, 0, sizeof(struct timer_rand_state));
+ state = kzalloc(sizeof(struct timer_rand_state), GFP_KERNEL);
+ if (state)
irq_timer_state[irq] = state;
- }
}
#ifdef CONFIG_BLOCK
@@ -927,14 +925,12 @@ void rand_initialize_disk(struct gendisk *disk)
struct timer_rand_state *state;
/*
- * If kmalloc returns null, we just won't use that entropy
+ * If kzalloc returns null, we just won't use that entropy
* source.
*/
- state = kmalloc(sizeof(struct timer_rand_state), GFP_KERNEL);
- if (state) {
- memset(state, 0, sizeof(struct timer_rand_state));
+ state = kzalloc(sizeof(struct timer_rand_state), GFP_KERNEL);
+ if (state)
disk->random = state;
- }
}
#endif
@@ -1469,7 +1465,6 @@ late_initcall(seqgen_init);
__u32 secure_tcpv6_sequence_number(__be32 *saddr, __be32 *daddr,
__be16 sport, __be16 dport)
{
- struct timeval tv;
__u32 seq;
__u32 hash[12];
struct keydata *keyptr = get_keyptr();
@@ -1485,8 +1480,7 @@ __u32 secure_tcpv6_sequence_number(__be32 *saddr, __be32 *daddr,
seq = twothirdsMD4Transform((const __u32 *)daddr, hash) & HASH_MASK;
seq += keyptr->count;
- do_gettimeofday(&tv);
- seq += tv.tv_usec + tv.tv_sec * 1000000;
+ seq += ktime_get_real().tv64;
return seq;
}
@@ -1521,7 +1515,6 @@ __u32 secure_ip_id(__be32 daddr)
__u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr,
__be16 sport, __be16 dport)
{
- struct timeval tv;
__u32 seq;
__u32 hash[4];
struct keydata *keyptr = get_keyptr();
@@ -1543,12 +1536,11 @@ __u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr,
* As close as possible to RFC 793, which
* suggests using a 250 kHz clock.
* Further reading shows this assumes 2 Mb/s networks.
- * For 10 Mb/s Ethernet, a 1 MHz clock is appropriate.
+ * For 10 Gb/s Ethernet, a 1 GHz clock is appropriate.
* That's funny, Linux has one built in! Use it!
* (Networks are faster now - should this be increased?)
*/
- do_gettimeofday(&tv);
- seq += tv.tv_usec + tv.tv_sec * 1000000;
+ seq += ktime_get_real().tv64;
#if 0
printk("init_seq(%lx, %lx, %d, %d) = %d\n",
saddr, daddr, sport, dport, seq);
@@ -1556,8 +1548,6 @@ __u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr,
return seq;
}
-EXPORT_SYMBOL(secure_tcp_sequence_number);
-
/* Generate secure starting point for ephemeral IPV4 transport port search */
u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport)
{
@@ -1598,7 +1588,6 @@ u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr, __be16
u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr,
__be16 sport, __be16 dport)
{
- struct timeval tv;
u64 seq;
__u32 hash[4];
struct keydata *keyptr = get_keyptr();
@@ -1611,8 +1600,7 @@ u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr,
seq = half_md4_transform(hash, keyptr->secret);
seq |= ((u64)keyptr->count) << (32 - HASH_BITS);
- do_gettimeofday(&tv);
- seq += tv.tv_usec + tv.tv_sec * 1000000;
+ seq += ktime_get_real().tv64;
seq &= (1ull << 48) - 1;
#if 0
printk("dccp init_seq(%lx, %lx, %d, %d) = %d\n",
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 78237577b05..3ef593a9015 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1,6 +1,8 @@
/*
* Sony Programmable I/O Control Device driver for VAIO
*
+ * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
+ *
* Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
*
* Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
@@ -95,6 +97,11 @@ module_param(useinput, int, 0444);
MODULE_PARM_DESC(useinput,
"set this if you would like sonypi to feed events to the input subsystem");
+static int check_ioport = 1;
+module_param(check_ioport, int, 0444);
+MODULE_PARM_DESC(check_ioport,
+ "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
+
#define SONYPI_DEVICE_MODEL_TYPE1 1
#define SONYPI_DEVICE_MODEL_TYPE2 2
#define SONYPI_DEVICE_MODEL_TYPE3 3
@@ -477,7 +484,7 @@ static struct sonypi_device {
u16 evtype_offset;
int camera_power;
int bluetooth_power;
- struct semaphore lock;
+ struct mutex lock;
struct kfifo *fifo;
spinlock_t fifo_lock;
wait_queue_head_t fifo_proc_list;
@@ -884,7 +891,7 @@ int sonypi_camera_command(int command, u8 value)
if (!camera)
return -EIO;
- down(&sonypi_device.lock);
+ mutex_lock(&sonypi_device.lock);
switch (command) {
case SONYPI_COMMAND_SETCAMERA:
@@ -919,7 +926,7 @@ int sonypi_camera_command(int command, u8 value)
command);
break;
}
- up(&sonypi_device.lock);
+ mutex_unlock(&sonypi_device.lock);
return 0;
}
@@ -938,20 +945,20 @@ static int sonypi_misc_fasync(int fd, struct file *filp, int on)
static int sonypi_misc_release(struct inode *inode, struct file *file)
{
sonypi_misc_fasync(-1, file, 0);
- down(&sonypi_device.lock);
+ mutex_lock(&sonypi_device.lock);
sonypi_device.open_count--;
- up(&sonypi_device.lock);
+ mutex_unlock(&sonypi_device.lock);
return 0;
}
static int sonypi_misc_open(struct inode *inode, struct file *file)
{
- down(&sonypi_device.lock);
+ mutex_lock(&sonypi_device.lock);
/* Flush input queue on first open */
if (!sonypi_device.open_count)
kfifo_reset(sonypi_device.fifo);
sonypi_device.open_count++;
- up(&sonypi_device.lock);
+ mutex_unlock(&sonypi_device.lock);
return 0;
}
@@ -1001,7 +1008,7 @@ static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
u8 val8;
u16 val16;
- down(&sonypi_device.lock);
+ mutex_lock(&sonypi_device.lock);
switch (cmd) {
case SONYPI_IOCGBRT:
if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
@@ -1101,7 +1108,7 @@ static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
default:
ret = -EINVAL;
}
- up(&sonypi_device.lock);
+ mutex_unlock(&sonypi_device.lock);
return ret;
}
@@ -1260,6 +1267,28 @@ static int __devinit sonypi_create_input_devices(void)
static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
const struct sonypi_ioport_list *ioport_list)
{
+ /* try to detect if sony-laptop is being used and thus
+ * has already requested one of the known ioports.
+ * As in the deprecated check_region this is racy has we have
+ * multiple ioports available and one of them can be requested
+ * between this check and the subsequent request. Anyway, as an
+ * attempt to be some more user-friendly as we currently are,
+ * this is enough.
+ */
+ const struct sonypi_ioport_list *check = ioport_list;
+ while (check_ioport && check->port1) {
+ if (!request_region(check->port1,
+ sonypi_device.region_size,
+ "Sony Programable I/O Device Check")) {
+ printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
+ "if not use check_ioport=0\n",
+ check->port1);
+ return -EBUSY;
+ }
+ release_region(check->port1, sonypi_device.region_size);
+ check++;
+ }
+
while (ioport_list->port1) {
if (request_region(ioport_list->port1,
@@ -1321,6 +1350,10 @@ static int __devinit sonypi_probe(struct platform_device *dev)
struct pci_dev *pcidev;
int error;
+ printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
+ "and report failures, see also "
+ "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);
@@ -1330,7 +1363,7 @@ static int __devinit sonypi_probe(struct platform_device *dev)
}
init_waitqueue_head(&sonypi_device.fifo_proc_list);
- init_MUTEX(&sonypi_device.lock);
+ mutex_init(&sonypi_device.lock);
sonypi_device.bluetooth_power = -1;
if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
diff --git a/drivers/char/tpm/tpm_atmel.h b/drivers/char/tpm/tpm_atmel.h
index aefd683c60b..3c852009196 100644
--- a/drivers/char/tpm/tpm_atmel.h
+++ b/drivers/char/tpm/tpm_atmel.h
@@ -53,8 +53,8 @@ static void __iomem * atmel_get_base_addr(unsigned long *base, int *region_size)
}
reg = get_property(dn, "reg", &reglen);
- naddrc = prom_n_addr_cells(dn);
- nsizec = prom_n_size_cells(dn);
+ naddrc = of_n_addr_cells(dn);
+ nsizec = of_n_size_cells(dn);
of_node_put(dn);
diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig
index e812aa129e2..60198a78974 100644
--- a/drivers/char/watchdog/Kconfig
+++ b/drivers/char/watchdog/Kconfig
@@ -548,7 +548,7 @@ config MV64X60_WDT
depends on WATCHDOG && MV64X60
config BOOKE_WDT
- tristate "PowerPC Book-E Watchdog Timer"
+ bool "PowerPC Book-E Watchdog Timer"
depends on WATCHDOG && (BOOKE || 4xx)
---help---
Please see Documentation/watchdog/watchdog-api.txt for
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-07 20:46:56 +0000