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-rw-r--r--drivers/char/agp/agp.h1
-rw-r--r--drivers/char/agp/intel-agp.c12
-rw-r--r--drivers/char/keyboard.c4
-rw-r--r--drivers/char/sonypi.c146
-rw-r--r--drivers/char/watchdog/sa1100_wdt.c49
5 files changed, 87 insertions, 125 deletions
diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h
index c1fe013..b4af87c 100644
--- a/drivers/char/agp/agp.h
+++ b/drivers/char/agp/agp.h
@@ -143,6 +143,7 @@ struct agp_bridge_data {
char major_version;
char minor_version;
struct list_head list;
+ u32 apbase_config;
};
#define KB(x) ((x) * 1024)
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 51266d6..1f7d415 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -1047,9 +1047,15 @@ static int intel_845_configure(void)
/* aperture size */
pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value);
- /* address to map to */
- pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp);
- agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
+ if (agp_bridge->apbase_config != 0) {
+ pci_write_config_dword(agp_bridge->dev, AGP_APBASE,
+ agp_bridge->apbase_config);
+ } else {
+ /* address to map to */
+ pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp);
+ agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
+ agp_bridge->apbase_config = temp;
+ }
/* attbase - aperture base */
pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr);
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 7b19e02..523fd3c 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -198,10 +198,10 @@ int setkeycode(unsigned int scancode, unsigned int keycode)
if (scancode >= dev->keycodemax)
return -EINVAL;
- if (keycode > KEY_MAX)
- return -EINVAL;
if (keycode < 0 || keycode > KEY_MAX)
return -EINVAL;
+ if (keycode >> (dev->keycodesize * 8))
+ return -EINVAL;
oldkey = SET_INPUT_KEYCODE(dev, scancode, keycode);
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index fd04206..cefbe98 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -439,6 +439,11 @@ static struct {
{ 0, 0 },
};
+struct sonypi_keypress {
+ struct input_dev *dev;
+ int key;
+};
+
static struct sonypi_device {
struct pci_dev *dev;
struct platform_device *pdev;
@@ -710,22 +715,61 @@ static void sonypi_setbluetoothpower(u8 state)
static void input_keyrelease(void *data)
{
- struct input_dev *input_dev;
- int key;
-
- while (1) {
- if (kfifo_get(sonypi_device.input_fifo,
- (unsigned char *)&input_dev,
- sizeof(input_dev)) != sizeof(input_dev))
- return;
- if (kfifo_get(sonypi_device.input_fifo,
- (unsigned char *)&key,
- sizeof(key)) != sizeof(key))
- return;
+ struct sonypi_keypress kp;
+ while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
+ sizeof(kp)) == sizeof(kp)) {
msleep(10);
- input_report_key(input_dev, key, 0);
- input_sync(input_dev);
+ input_report_key(kp.dev, kp.key, 0);
+ input_sync(kp.dev);
+ }
+}
+
+static void sonypi_report_input_event(u8 event)
+{
+ struct input_dev *jog_dev = &sonypi_device.input_jog_dev;
+ struct input_dev *key_dev = &sonypi_device.input_key_dev;
+ struct sonypi_keypress kp = { NULL };
+ int i;
+
+ switch (event) {
+ case SONYPI_EVENT_JOGDIAL_UP:
+ case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
+ input_report_rel(jog_dev, REL_WHEEL, 1);
+ input_sync(jog_dev);
+ break;
+
+ case SONYPI_EVENT_JOGDIAL_DOWN:
+ case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
+ input_report_rel(jog_dev, REL_WHEEL, -1);
+ input_sync(jog_dev);
+ break;
+
+ case SONYPI_EVENT_JOGDIAL_PRESSED:
+ kp.key = BTN_MIDDLE;
+ kp.dev = jog_dev;
+ break;
+
+ case SONYPI_EVENT_FNKEY_RELEASED:
+ /* Nothing, not all VAIOs generate this event */
+ break;
+
+ default:
+ for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
+ if (event == sonypi_inputkeys[i].sonypiev) {
+ kp.dev = key_dev;
+ kp.key = sonypi_inputkeys[i].inputev;
+ break;
+ }
+ break;
+ }
+
+ 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));
+ schedule_work(&sonypi_device.input_work);
}
}
@@ -768,51 +812,8 @@ found:
printk(KERN_INFO
"sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
- if (useinput) {
- struct input_dev *input_jog_dev = &sonypi_device.input_jog_dev;
- struct input_dev *input_key_dev = &sonypi_device.input_key_dev;
- switch (event) {
- case SONYPI_EVENT_JOGDIAL_UP:
- case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
- input_report_rel(input_jog_dev, REL_WHEEL, 1);
- break;
- case SONYPI_EVENT_JOGDIAL_DOWN:
- case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
- input_report_rel(input_jog_dev, REL_WHEEL, -1);
- break;
- case SONYPI_EVENT_JOGDIAL_PRESSED: {
- int key = BTN_MIDDLE;
- input_report_key(input_jog_dev, key, 1);
- kfifo_put(sonypi_device.input_fifo,
- (unsigned char *)&input_jog_dev,
- sizeof(input_jog_dev));
- kfifo_put(sonypi_device.input_fifo,
- (unsigned char *)&key, sizeof(key));
- break;
- }
- case SONYPI_EVENT_FNKEY_RELEASED:
- /* Nothing, not all VAIOs generate this event */
- break;
- }
- input_sync(input_jog_dev);
-
- for (i = 0; sonypi_inputkeys[i].sonypiev; i++) {
- int key;
-
- if (event != sonypi_inputkeys[i].sonypiev)
- continue;
-
- key = sonypi_inputkeys[i].inputev;
- input_report_key(input_key_dev, key, 1);
- kfifo_put(sonypi_device.input_fifo,
- (unsigned char *)&input_key_dev,
- sizeof(input_key_dev));
- kfifo_put(sonypi_device.input_fifo,
- (unsigned char *)&key, sizeof(key));
- }
- input_sync(input_key_dev);
- schedule_work(&sonypi_device.input_work);
- }
+ if (useinput)
+ sonypi_report_input_event(event);
kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
@@ -1227,14 +1228,7 @@ static int __devinit sonypi_probe(void)
sonypi_device.input_jog_dev.keybit[LONG(BTN_MOUSE)] =
BIT(BTN_MIDDLE);
sonypi_device.input_jog_dev.relbit[0] = BIT(REL_WHEEL);
- sonypi_device.input_jog_dev.name =
- kmalloc(sizeof(SONYPI_JOG_INPUTNAME), GFP_KERNEL);
- if (!sonypi_device.input_jog_dev.name) {
- printk(KERN_ERR "sonypi: kmalloc failed\n");
- ret = -ENOMEM;
- goto out_inkmallocinput1;
- }
- sprintf(sonypi_device.input_jog_dev.name, SONYPI_JOG_INPUTNAME);
+ sonypi_device.input_jog_dev.name = SONYPI_JOG_INPUTNAME;
sonypi_device.input_jog_dev.id.bustype = BUS_ISA;
sonypi_device.input_jog_dev.id.vendor = PCI_VENDOR_ID_SONY;
@@ -1248,14 +1242,7 @@ static int __devinit sonypi_probe(void)
if (sonypi_inputkeys[i].inputev)
set_bit(sonypi_inputkeys[i].inputev,
sonypi_device.input_key_dev.keybit);
- sonypi_device.input_key_dev.name =
- kmalloc(sizeof(SONYPI_KEY_INPUTNAME), GFP_KERNEL);
- if (!sonypi_device.input_key_dev.name) {
- printk(KERN_ERR "sonypi: kmalloc failed\n");
- ret = -ENOMEM;
- goto out_inkmallocinput2;
- }
- sprintf(sonypi_device.input_key_dev.name, SONYPI_KEY_INPUTNAME);
+ sonypi_device.input_key_dev.name = SONYPI_KEY_INPUTNAME;
sonypi_device.input_key_dev.id.bustype = BUS_ISA;
sonypi_device.input_key_dev.id.vendor = PCI_VENDOR_ID_SONY;
@@ -1313,11 +1300,7 @@ out_platformdev:
kfifo_free(sonypi_device.input_fifo);
out_infifo:
input_unregister_device(&sonypi_device.input_key_dev);
- kfree(sonypi_device.input_key_dev.name);
-out_inkmallocinput2:
input_unregister_device(&sonypi_device.input_jog_dev);
- kfree(sonypi_device.input_jog_dev.name);
-out_inkmallocinput1:
free_irq(sonypi_device.irq, sonypi_irq);
out_reqirq:
release_region(sonypi_device.ioport1, sonypi_device.region_size);
@@ -1337,13 +1320,14 @@ static void __devexit sonypi_remove(void)
{
sonypi_disable();
+ synchronize_sched(); /* Allow sonypi interrupt to complete. */
+ flush_scheduled_work();
+
platform_device_unregister(sonypi_device.pdev);
if (useinput) {
input_unregister_device(&sonypi_device.input_key_dev);
- kfree(sonypi_device.input_key_dev.name);
input_unregister_device(&sonypi_device.input_jog_dev);
- kfree(sonypi_device.input_jog_dev.name);
kfifo_free(sonypi_device.input_fifo);
}
diff --git a/drivers/char/watchdog/sa1100_wdt.c b/drivers/char/watchdog/sa1100_wdt.c
index 1b21326..fb88b40 100644
--- a/drivers/char/watchdog/sa1100_wdt.c
+++ b/drivers/char/watchdog/sa1100_wdt.c
@@ -36,13 +36,10 @@
#include <asm/uaccess.h>
#define OSCR_FREQ CLOCK_TICK_RATE
-#define SA1100_CLOSE_MAGIC (0x5afc4453)
static unsigned long sa1100wdt_users;
-static int expect_close;
static int pre_margin;
static int boot_status;
-static int nowayout = WATCHDOG_NOWAYOUT;
/*
* Allow only one person to hold it open
@@ -62,55 +59,33 @@ static int sa1100dog_open(struct inode *inode, struct file *file)
}
/*
- * Shut off the timer.
- * Lock it in if it's a module and we defined ...NOWAYOUT
- * Oddly, the watchdog can only be enabled, but we can turn off
- * the interrupt, which appears to prevent the watchdog timing out.
+ * The watchdog cannot be disabled.
+ *
+ * Previous comments suggested that turning off the interrupt by
+ * clearing OIER[E3] would prevent the watchdog timing out but this
+ * does not appear to be true (at least on the PXA255).
*/
static int sa1100dog_release(struct inode *inode, struct file *file)
{
- OSMR3 = OSCR + pre_margin;
-
- if (expect_close == SA1100_CLOSE_MAGIC) {
- OIER &= ~OIER_E3;
- } else {
- printk(KERN_CRIT "WATCHDOG: WDT device closed unexpectedly. WDT will not stop!\n");
- }
+ printk(KERN_CRIT "WATCHDOG: Device closed - timer will not stop\n");
clear_bit(1, &sa1100wdt_users);
- expect_close = 0;
return 0;
}
static ssize_t sa1100dog_write(struct file *file, const char *data, size_t len, loff_t *ppos)
{
- if (len) {
- if (!nowayout) {
- size_t i;
-
- expect_close = 0;
-
- for (i = 0; i != len; i++) {
- char c;
-
- if (get_user(c, data + i))
- return -EFAULT;
- if (c == 'V')
- expect_close = SA1100_CLOSE_MAGIC;
- }
- }
+ if (len)
/* Refresh OSMR3 timer. */
OSMR3 = OSCR + pre_margin;
- }
return len;
}
static struct watchdog_info ident = {
- .options = WDIOF_CARDRESET | WDIOF_MAGICCLOSE |
- WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
- .identity = "SA1100 Watchdog",
+ .options = WDIOF_CARDRESET | WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
+ .identity = "SA1100/PXA255 Watchdog",
};
static int sa1100dog_ioctl(struct inode *inode, struct file *file,
@@ -172,7 +147,7 @@ static struct file_operations sa1100dog_fops =
static struct miscdevice sa1100dog_miscdev =
{
.minor = WATCHDOG_MINOR,
- .name = "SA1100/PXA2xx watchdog",
+ .name = "watchdog",
.fops = &sa1100dog_fops,
};
@@ -194,7 +169,6 @@ static int __init sa1100dog_init(void)
if (ret == 0)
printk("SA1100/PXA2xx Watchdog Timer: timer margin %d sec\n",
margin);
-
return ret;
}
@@ -212,8 +186,5 @@ MODULE_DESCRIPTION("SA1100/PXA2xx Watchdog");
module_param(margin, int, 0);
MODULE_PARM_DESC(margin, "Watchdog margin in seconds (default 60s)");
-module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
-
MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
generated by cgit v1.1 at 2025-08-24 18:02:36 +0000