3 files changed, 23 insertions, 15 deletions

diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
index 05e1be85fdee..dc42e44b6bc1 100644
--- a/drivers/watchdog/at91sam9_wdt.c
+++ b/drivers/watchdog/at91sam9_wdt.c
@@ -32,6 +32,7 @@
 #include <linux/timer.h>
 #include <linux/bitops.h>
 #include <linux/uaccess.h>
+#include <linux/of.h>
 
 #include "at91sam9_wdt.h"
 
@@ -302,11 +303,21 @@ static int __exit at91wdt_remove(struct platform_device *pdev)
         return res;
 }
 
+#if defined(CONFIG_OF)
+static const struct of_device_id at91_wdt_dt_ids[] __initconst = {
+        { .compatible = "atmel,at91sam9260-wdt" },
+        { /* sentinel */ }
+};
+
+MODULE_DEVICE_TABLE(of, at91_wdt_dt_ids);
+#endif
+
 static struct platform_driver at91wdt_driver = {
         .remove         = __exit_p(at91wdt_remove),
         .driver         = {
                 .name   = "at91_wdt",
                 .owner  = THIS_MODULE,
+                .of_match_table = of_match_ptr(at91_wdt_dt_ids),
         },
 };
 
diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c
index bcfab2b00ad2..9a45d0294cf4 100644
--- a/drivers/watchdog/imx2_wdt.c
+++ b/drivers/watchdog/imx2_wdt.c
@@ -33,7 +33,6 @@
 #include <linux/uaccess.h>
 #include <linux/timer.h>
 #include <linux/jiffies.h>
-#include <mach/hardware.h>
 
 #define DRIVER_NAME "imx2-wdt"
 
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index f5db18dbc0f9..477a1d47a64c 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -46,8 +46,8 @@
 #include <linux/slab.h>
 #include <linux/pm_runtime.h>
 #include <mach/hardware.h>
-#include <plat/cpu.h>
-#include <plat/prcm.h>
+
+#include <linux/platform_data/omap-wd-timer.h>
 
 #include "omap_wdt.h"
 
@@ -202,8 +202,10 @@ static ssize_t omap_wdt_write(struct file *file, const char __user *data,
 static long omap_wdt_ioctl(struct file *file, unsigned int cmd,
                                                 unsigned long arg)
 {
+        struct omap_wd_timer_platform_data *pdata;
         struct omap_wdt_dev *wdev;
-        int new_margin;
+        u32 rs;
+        int new_margin, bs;
         static const struct watchdog_info ident = {
                 .identity = "OMAP Watchdog",
                 .options = WDIOF_SETTIMEOUT,
@@ -211,6 +213,7 @@ static long omap_wdt_ioctl(struct file *file, unsigned int cmd,
         };
 
         wdev = file->private_data;
+        pdata = wdev->dev->platform_data;
 
         switch (cmd) {
         case WDIOC_GETSUPPORT:
@@ -219,17 +222,12 @@ static long omap_wdt_ioctl(struct file *file, unsigned int cmd,
         case WDIOC_GETSTATUS:
                 return put_user(0, (int __user *)arg);
         case WDIOC_GETBOOTSTATUS:
-#ifdef CONFIG_ARCH_OMAP1
-                if (cpu_is_omap16xx())
-                        return put_user(__raw_readw(ARM_SYSST),
-                                        (int __user *)arg);
-#endif
-#ifdef CONFIG_ARCH_OMAP2PLUS
-                if (cpu_is_omap24xx())
-                        return put_user(omap_prcm_get_reset_sources(),
-                                        (int __user *)arg);
-#endif
-                return put_user(0, (int __user *)arg);
+                if (!pdata || !pdata->read_reset_sources)
+                        return put_user(0, (int __user *)arg);
+                rs = pdata->read_reset_sources();
+                bs = (rs & (1 << OMAP_MPU_WD_RST_SRC_ID_SHIFT)) ?
+                        WDIOF_CARDRESET : 0;
+                return put_user(bs, (int __user *)arg);
         case WDIOC_KEEPALIVE:
                 spin_lock(&wdt_lock);
                 omap_wdt_ping(wdev);