1 files changed, 0 insertions, 313 deletions
diff --git a/target/linux/rdc/patches-2.6.32/110-rdc321x_watchdog_fix.patch b/target/linux/rdc/patches-2.6.32/110-rdc321x_watchdog_fix.patch
deleted file mode 100644
index fe7969e..0000000
--- a/target/linux/rdc/patches-2.6.32/110-rdc321x_watchdog_fix.patch
+++ /dev/null
@@ -1,313 +0,0 @@
---- a/drivers/watchdog/rdc321x_wdt.c
-+++ b/drivers/watchdog/rdc321x_wdt.c
-@@ -36,111 +36,99 @@
- #include <linux/watchdog.h>
- #include <linux/io.h>
- #include <linux/uaccess.h>
-+#include <linux/pci.h>
-+#include <linux/delay.h>
- #include <linux/mfd/rdc321x.h>
- 
--#define RDC_WDT_MASK	0x80000000 /* Mask */
-+#define RDC321X_WDT_REG 0x00000044
-+
- #define RDC_WDT_EN	0x00800000 /* Enable bit */
--#define RDC_WDT_WTI	0x00200000 /* Generate CPU reset/NMI/WDT on timeout */
--#define RDC_WDT_RST	0x00100000 /* Reset bit */
--#define RDC_WDT_WIF	0x00040000 /* WDT IRQ Flag */
--#define RDC_WDT_IRT	0x00000100 /* IRQ Routing table */
--#define RDC_WDT_CNT	0x00000001 /* WDT count */
-+#define RDC_WDT_WDTIRQ	0x00400000 /* Create WDT IRQ before CPU reset */
-+#define RDC_WDT_NMIIRQ	0x00200000 /* Create NMI IRQ before CPU reset */
-+#define RDC_WDT_RST	0x00100000 /* Reset wdt */
-+#define RDC_WDT_NIF	0x00080000 /* NMI interrupt occured */
-+#define RDC_WDT_WIF	0x00040000 /* WDT interrupt occured */
-+#define RDC_WDT_IRT	0x00000700 /* IRQ Routing table */
-+#define RDC_WDT_CNT	0x0000007F /* WDT count */
- 
--#define RDC_CLS_TMR	0x80003844 /* Clear timer */
-+/* default counter value (2.34 s) */
-+#define RDC_WDT_DFLT_CNT 0x00000040
- 
--#define RDC_WDT_INTERVAL	(HZ/10+1)
-+#define RDC_WDT_SETUP (RDC_WDT_EN | RDC_WDT_NMIIRQ | RDC_WDT_RST | RDC_WDT_DFLT_CNT)
- 
- static int ticks = 1000;
- 
- /* some device data */
- 
- static struct {
--	struct completion stop;
--	int running;
- 	struct timer_list timer;
--	int queue;
--	int default_ticks;
--	unsigned long inuse;
--	spinlock_t lock;
-+	int seconds_left;
-+	int total_seconds;
-+	bool inuse;
-+	bool running;
-+	bool close_expected;
-+
- 	struct pci_dev *sb_pdev;
- 	int base_reg;
- } rdc321x_wdt_device;
- 
--/* generic helper functions */
-+static struct watchdog_info ident = {
-+	.options = WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
-+	.identity = "RDC321x WDT",
-+};
- 
--static void rdc321x_wdt_trigger(unsigned long unused)
-+
-+/* generic helper functions */
-+static void rdc321x_wdt_timer(unsigned long unused)
- {
--	unsigned long flags;
--	u32 val;
-+        if (!rdc321x_wdt_device.running) {
-+                pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
-+						rdc321x_wdt_device.base_reg, 0);
-+                return;
-+        }
- 
--	if (rdc321x_wdt_device.running)
--		ticks--;
-+        rdc321x_wdt_device.seconds_left--;
- 
--	/* keep watchdog alive */
--	spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
--	pci_read_config_dword(rdc321x_wdt_device.sb_pdev,
--					rdc321x_wdt_device.base_reg, &val);
--	val |= RDC_WDT_EN;
--	pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
--					rdc321x_wdt_device.base_reg, val);
--	spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
-+        if (rdc321x_wdt_device.seconds_left < 1)
-+                return;
- 
--	/* requeue?? */
--	if (rdc321x_wdt_device.queue && ticks)
--		mod_timer(&rdc321x_wdt_device.timer,
--				jiffies + RDC_WDT_INTERVAL);
--	else {
--		/* ticks doesn't matter anyway */
--		complete(&rdc321x_wdt_device.stop);
--	}
-+	pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
-+				rdc321x_wdt_device.base_reg, RDC_WDT_SETUP);
- 
-+        mod_timer(&rdc321x_wdt_device.timer, HZ * 2 + jiffies);
- }
- 
- static void rdc321x_wdt_reset(void)
- {
--	ticks = rdc321x_wdt_device.default_ticks;
-+	rdc321x_wdt_device.seconds_left = rdc321x_wdt_device.total_seconds;
- }
- 
- static void rdc321x_wdt_start(void)
- {
--	unsigned long flags;
--
--	if (!rdc321x_wdt_device.queue) {
--		rdc321x_wdt_device.queue = 1;
--
--		/* Clear the timer */
--		spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
--		pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
--				rdc321x_wdt_device.base_reg, RDC_CLS_TMR);
--
--		/* Enable watchdog and set the timeout to 81.92 us */
--		pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
--					rdc321x_wdt_device.base_reg,
--					RDC_WDT_EN | RDC_WDT_CNT);
--		spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
-+	if (rdc321x_wdt_device.running)
-+		return;
- 
--		mod_timer(&rdc321x_wdt_device.timer,
--				jiffies + RDC_WDT_INTERVAL);
--	}
-+	rdc321x_wdt_device.seconds_left = rdc321x_wdt_device.total_seconds;
-+	rdc321x_wdt_device.running = true;
-+	rdc321x_wdt_timer(0);
- 
--	/* if process dies, counter is not decremented */
--	rdc321x_wdt_device.running++;
-+	return;
- }
- 
- static int rdc321x_wdt_stop(void)
- {
--	if (rdc321x_wdt_device.running)
--		rdc321x_wdt_device.running = 0;
-+	if (WATCHDOG_NOWAYOUT)
-+		return -ENOSYS;
- 
--	ticks = rdc321x_wdt_device.default_ticks;
-+	rdc321x_wdt_device.running = false;
- 
--	return -EIO;
-+	return 0;
- }
- 
- /* filesystem operations */
- static int rdc321x_wdt_open(struct inode *inode, struct file *file)
- {
--	if (test_and_set_bit(0, &rdc321x_wdt_device.inuse))
-+	if (xchg(&rdc321x_wdt_device.inuse, true))
- 		return -EBUSY;
- 
- 	return nonseekable_open(inode, file);
-@@ -148,7 +136,16 @@ static int rdc321x_wdt_open(struct inode
- 
- static int rdc321x_wdt_release(struct inode *inode, struct file *file)
- {
--	clear_bit(0, &rdc321x_wdt_device.inuse);
-+	int ret;
-+
-+	if (rdc321x_wdt_device.close_expected) {
-+		ret = rdc321x_wdt_stop();
-+		if (ret)
-+			return ret;
-+	}
-+
-+	rdc321x_wdt_device.inuse = false;
-+
- 	return 0;
- }
- 
-@@ -156,30 +153,29 @@ static long rdc321x_wdt_ioctl(struct fil
- 				unsigned long arg)
- {
- 	void __user *argp = (void __user *)arg;
--	u32 value;
--	static struct watchdog_info ident = {
--		.options = WDIOF_CARDRESET,
--		.identity = "RDC321x WDT",
--	};
--	unsigned long flags;
-+	int value;
- 
- 	switch (cmd) {
- 	case WDIOC_KEEPALIVE:
- 		rdc321x_wdt_reset();
- 		break;
--	case WDIOC_GETSTATUS:
--		/* Read the value from the DATA register */
--		spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
--		pci_read_config_dword(rdc321x_wdt_device.sb_pdev,
--					rdc321x_wdt_device.base_reg, &value);
--		spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
--		if (copy_to_user(argp, &value, sizeof(u32)))
--			return -EFAULT;
--		break;
- 	case WDIOC_GETSUPPORT:
- 		if (copy_to_user(argp, &ident, sizeof(ident)))
- 			return -EFAULT;
- 		break;
-+	case WDIOC_SETTIMEOUT:
-+		if (copy_from_user(&rdc321x_wdt_device.total_seconds, argp, sizeof(int)))
-+			return -EFAULT;
-+		rdc321x_wdt_device.seconds_left = rdc321x_wdt_device.total_seconds;
-+		break;
-+	case WDIOC_GETTIMEOUT:
-+		if (copy_to_user(argp, &rdc321x_wdt_device.total_seconds, sizeof(int)))
-+			return -EFAULT;
-+		break;
-+	case WDIOC_GETTIMELEFT:
-+		if (copy_to_user(argp, &rdc321x_wdt_device.seconds_left, sizeof(int)))
-+			return -EFAULT;
-+		break;
- 	case WDIOC_SETOPTIONS:
- 		if (copy_from_user(&value, argp, sizeof(int)))
- 			return -EFAULT;
-@@ -194,17 +190,34 @@ static long rdc321x_wdt_ioctl(struct fil
- 		}
- 		break;
- 	default:
--		return -ENOTTY;
-+		return -EINVAL;
- 	}
-+
- 	return 0;
- }
- 
- static ssize_t rdc321x_wdt_write(struct file *file, const char __user *buf,
- 				size_t count, loff_t *ppos)
- {
-+	size_t i;
-+
- 	if (!count)
- 		return -EIO;
- 
-+	rdc321x_wdt_device.close_expected = false;
-+
-+	for (i = 0; i != count; i++) {
-+		char c;
-+
-+		if (get_user(c, buf + i))
-+			return -EFAULT;
-+
-+		if (c == 'V') {
-+			rdc321x_wdt_device.close_expected = true;
-+			break;
-+		}
-+	}
-+
- 	rdc321x_wdt_reset();
- 
- 	return count;
-@@ -246,27 +259,18 @@ static int __devinit rdc321x_wdt_probe(s
- 	rdc321x_wdt_device.sb_pdev = pdata->sb_pdev;
- 	rdc321x_wdt_device.base_reg = r->start;
- 
-+	rdc321x_wdt_device.running = false;
-+	rdc321x_wdt_device.close_expected = false;
-+	rdc321x_wdt_device.inuse = 0;
-+	setup_timer(&rdc321x_wdt_device.timer, rdc321x_wdt_timer, 0);
-+	rdc321x_wdt_device.total_seconds = 100;
-+
- 	err = misc_register(&rdc321x_wdt_misc);
- 	if (err < 0) {
- 		dev_err(&pdev->dev, "misc_register failed\n");
- 		return err;
- 	}
- 
--	spin_lock_init(&rdc321x_wdt_device.lock);
--
--	/* Reset the watchdog */
--	pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
--				rdc321x_wdt_device.base_reg, RDC_WDT_RST);
--
--	init_completion(&rdc321x_wdt_device.stop);
--	rdc321x_wdt_device.queue = 0;
--
--	clear_bit(0, &rdc321x_wdt_device.inuse);
--
--	setup_timer(&rdc321x_wdt_device.timer, rdc321x_wdt_trigger, 0);
--
--	rdc321x_wdt_device.default_ticks = ticks;
--
- 	dev_info(&pdev->dev, "watchdog init success\n");
- 
- 	return 0;
-@@ -274,10 +278,11 @@ static int __devinit rdc321x_wdt_probe(s
- 
- static int __devexit rdc321x_wdt_remove(struct platform_device *pdev)
- {
--	if (rdc321x_wdt_device.queue) {
--		rdc321x_wdt_device.queue = 0;
--		wait_for_completion(&rdc321x_wdt_device.stop);
--	}
-+	if (rdc321x_wdt_device.inuse)
-+		rdc321x_wdt_device.inuse = 0;
-+
-+	while (timer_pending(&rdc321x_wdt_device.timer))
-+		msleep(100);
- 
- 	misc_deregister(&rdc321x_wdt_misc);
-