drivers/watchdog: don't check resource with devm_ioremap_resource

devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

3 files changed, 0 insertions, 15 deletions

diff --git a/drivers/watchdog/ath79_wdt.c b/drivers/watchdog/ath79_wdt.c
index d184c48a0482..37cb09b27b63 100644
--- a/drivers/watchdog/ath79_wdt.c
+++ b/drivers/watchdog/ath79_wdt.c
@@ -248,11 +248,6 @@ static int ath79_wdt_probe(struct platform_device *pdev)
                 return -EBUSY;
 
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (!res) {
-                dev_err(&pdev->dev, "no memory resource found\n");
-                return -EINVAL;
-        }
-
         wdt_base = devm_ioremap_resource(&pdev->dev, res);
         if (IS_ERR(wdt_base))
                 return PTR_ERR(wdt_base);
diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index 100d4fbfde2a..bead7740c86a 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c
@@ -217,11 +217,6 @@ static int davinci_wdt_probe(struct platform_device *pdev)
         dev_info(dev, "heartbeat %d sec\n", heartbeat);
 
         wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (wdt_mem == NULL) {
-                dev_err(dev, "failed to get memory region resource\n");
-                return -ENOENT;
-        }
-
         wdt_base = devm_ioremap_resource(dev, wdt_mem);
         if (IS_ERR(wdt_base))
                 return PTR_ERR(wdt_base);
diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c
index ff908823688c..62946c2cb4f8 100644
--- a/drivers/watchdog/imx2_wdt.c
+++ b/drivers/watchdog/imx2_wdt.c
@@ -257,11 +257,6 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
         struct resource *res;
 
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (!res) {
-                dev_err(&pdev->dev, "can't get device resources\n");
-                return -ENODEV;
-        }
-
         imx2_wdt.base = devm_ioremap_resource(&pdev->dev, res);
         if (IS_ERR(imx2_wdt.base))
                 return PTR_ERR(imx2_wdt.base);