diff options
Diffstat (limited to 'drivers/watchdog/omap_wdt.c')
| -rw-r--r-- | drivers/watchdog/omap_wdt.c | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index f5db18dbc0f..3e3ebbc83fa 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -45,9 +45,7 @@ #include <linux/uaccess.h> #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 +200,10 @@ 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 +211,7 @@ 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 +220,12 @@ 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); @@ -264,7 +260,7 @@ static const struct file_operations omap_wdt_fops = { .llseek = no_llseek, }; -static int __devinit omap_wdt_probe(struct platform_device *pdev) +static int omap_wdt_probe(struct platform_device *pdev) { struct resource *res, *mem; struct omap_wdt_dev *wdev; @@ -359,7 +355,7 @@ static void omap_wdt_shutdown(struct platform_device *pdev) } } -static int __devexit omap_wdt_remove(struct platform_device *pdev) +static int omap_wdt_remove(struct platform_device *pdev) { struct omap_wdt_dev *wdev = platform_get_drvdata(pdev); struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -426,7 +422,7 @@ MODULE_DEVICE_TABLE(of, omap_wdt_of_match); static struct platform_driver omap_wdt_driver = { .probe = omap_wdt_probe, - .remove = __devexit_p(omap_wdt_remove), + .remove = omap_wdt_remove, .shutdown = omap_wdt_shutdown, .suspend = omap_wdt_suspend, .resume = omap_wdt_resume, |