diff options
Diffstat (limited to 'drivers/watchdog/omap_wdt.c')
| -rw-r--r-- | drivers/watchdog/omap_wdt.c | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 8285d65cd207..fceec4f4eb7e 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -126,8 +126,6 @@ static void omap_wdt_set_timeout(struct omap_wdt_dev *wdev) u32 pre_margin = GET_WLDR_VAL(timer_margin); void __iomem *base = wdev->base; - pm_runtime_get_sync(wdev->dev); - /* just count up at 32 KHz */ while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x04) cpu_relax(); @@ -135,8 +133,6 @@ static void omap_wdt_set_timeout(struct omap_wdt_dev *wdev) __raw_writel(pre_margin, base + OMAP_WATCHDOG_LDR); while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x04) cpu_relax(); - - pm_runtime_put_sync(wdev->dev); } /* @@ -166,8 +162,6 @@ static int omap_wdt_open(struct inode *inode, struct file *file) omap_wdt_ping(wdev); /* trigger loading of new timeout value */ omap_wdt_enable(wdev); - pm_runtime_put_sync(wdev->dev); - return nonseekable_open(inode, file); } @@ -179,8 +173,6 @@ static int omap_wdt_release(struct inode *inode, struct file *file) * Shut off the timer unless NOWAYOUT is defined. */ #ifndef CONFIG_WATCHDOG_NOWAYOUT - pm_runtime_get_sync(wdev->dev); - omap_wdt_disable(wdev); pm_runtime_put_sync(wdev->dev); @@ -199,11 +191,9 @@ static ssize_t omap_wdt_write(struct file *file, const char __user *data, /* Refresh LOAD_TIME. */ if (len) { - pm_runtime_get_sync(wdev->dev); spin_lock(&wdt_lock); omap_wdt_ping(wdev); spin_unlock(&wdt_lock); - pm_runtime_put_sync(wdev->dev); } return len; } @@ -236,18 +226,15 @@ static long omap_wdt_ioctl(struct file *file, unsigned int cmd, (int __user *)arg); return put_user(0, (int __user *)arg); case WDIOC_KEEPALIVE: - pm_runtime_get_sync(wdev->dev); spin_lock(&wdt_lock); omap_wdt_ping(wdev); spin_unlock(&wdt_lock); - pm_runtime_put_sync(wdev->dev); return 0; case WDIOC_SETTIMEOUT: if (get_user(new_margin, (int __user *)arg)) return -EFAULT; omap_wdt_adjust_timeout(new_margin); - pm_runtime_get_sync(wdev->dev); spin_lock(&wdt_lock); omap_wdt_disable(wdev); omap_wdt_set_timeout(wdev); @@ -255,7 +242,6 @@ static long omap_wdt_ioctl(struct file *file, unsigned int cmd, omap_wdt_ping(wdev); spin_unlock(&wdt_lock); - pm_runtime_put_sync(wdev->dev); /* Fall */ case WDIOC_GETTIMEOUT: return put_user(timer_margin, (int __user *)arg); @@ -363,7 +349,6 @@ static void omap_wdt_shutdown(struct platform_device *pdev) struct omap_wdt_dev *wdev = platform_get_drvdata(pdev); if (wdev->omap_wdt_users) { - pm_runtime_get_sync(wdev->dev); omap_wdt_disable(wdev); pm_runtime_put_sync(wdev->dev); } @@ -403,7 +388,6 @@ static int omap_wdt_suspend(struct platform_device *pdev, pm_message_t state) struct omap_wdt_dev *wdev = platform_get_drvdata(pdev); if (wdev->omap_wdt_users) { - pm_runtime_get_sync(wdev->dev); omap_wdt_disable(wdev); pm_runtime_put_sync(wdev->dev); } @@ -419,7 +403,6 @@ static int omap_wdt_resume(struct platform_device *pdev) pm_runtime_get_sync(wdev->dev); omap_wdt_enable(wdev); omap_wdt_ping(wdev); - pm_runtime_put_sync(wdev->dev); } return 0; @@ -430,6 +413,12 @@ static int omap_wdt_resume(struct platform_device *pdev) #define omap_wdt_resume NULL #endif +static const struct of_device_id omap_wdt_of_match[] = { + { .compatible = "ti,omap3-wdt", }, + {}, +}; +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), @@ -439,6 +428,7 @@ static struct platform_driver omap_wdt_driver = { .driver = { .owner = THIS_MODULE, .name = "omap_wdt", + .of_match_table = omap_wdt_of_match, }, }; |