watchdog: Convert to devm_ioremap_resource()
Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.
devm_ioremap_resource() provides its own error messages so all explicit
error messages can be removed from the failure code paths.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/watchdog/jz4740_wdt.c b/drivers/watchdog/jz4740_wdt.c
index a61408f..1cb25f6 100644
--- a/drivers/watchdog/jz4740_wdt.c
+++ b/drivers/watchdog/jz4740_wdt.c
@@ -171,9 +171,9 @@
watchdog_set_drvdata(jz4740_wdt, drvdata);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- drvdata->base = devm_request_and_ioremap(&pdev->dev, res);
- if (drvdata->base == NULL) {
- ret = -EBUSY;
+ drvdata->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(drvdata->base)) {
+ ret = PTR_ERR(drvdata->base);
goto err_out;
}