diff options
Diffstat (limited to 'drivers/watchdog/omap_wdt.c')
| -rw-r--r-- | drivers/watchdog/omap_wdt.c | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 09cf0135e8ac..3691b157516a 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -34,7 +34,6 @@ #include <linux/mm.h> #include <linux/watchdog.h> #include <linux/reboot.h> -#include <linux/init.h> #include <linux/err.h> #include <linux/platform_device.h> #include <linux/moduleparam.h> @@ -58,7 +57,6 @@ struct omap_wdt_dev { void __iomem *base; /* physical */ struct device *dev; bool omap_wdt_users; - struct resource *mem; int wdt_trgr_pattern; struct mutex lock; /* to avoid races with PM */ }; @@ -207,7 +205,7 @@ static int omap_wdt_probe(struct platform_device *pdev) { struct omap_wd_timer_platform_data *pdata = dev_get_platdata(&pdev->dev); struct watchdog_device *omap_wdt; - struct resource *res, *mem; + struct resource *res; struct omap_wdt_dev *wdev; u32 rs; int ret; @@ -216,29 +214,20 @@ static int omap_wdt_probe(struct platform_device *pdev) if (!omap_wdt) return -ENOMEM; - /* reserve static register mappings */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -ENOENT; - - mem = devm_request_mem_region(&pdev->dev, res->start, - resource_size(res), pdev->name); - if (!mem) - return -EBUSY; - wdev = devm_kzalloc(&pdev->dev, sizeof(*wdev), GFP_KERNEL); if (!wdev) return -ENOMEM; wdev->omap_wdt_users = false; - wdev->mem = mem; wdev->dev = &pdev->dev; wdev->wdt_trgr_pattern = 0x1234; mutex_init(&wdev->lock); - wdev->base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - if (!wdev->base) - return -ENOMEM; + /* reserve static register mappings */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + wdev->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(wdev->base)) + return PTR_ERR(wdev->base); omap_wdt->info = &omap_wdt_info; omap_wdt->ops = &omap_wdt_ops; |