watchdog: ar7_wdt: Make use of the helper function devm_platform_ioremap_resource_byname()
Use the devm_platform_ioremap_resource_byname() helper instead of
calling platform_get_resource_byname() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210907074223.2706-1-caihuoqing@baidu.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c
index ff37dc91..743e171 100644
--- a/drivers/watchdog/ar7_wdt.c
+++ b/drivers/watchdog/ar7_wdt.c
@@ -63,8 +63,6 @@ static DEFINE_SPINLOCK(wdt_lock);
/* XXX currently fixed, allows max margin ~68.72 secs */
#define prescale_value 0xffff
-/* Resource of the WDT registers */
-static struct resource *ar7_regs_wdt;
/* Pointer to the remapped WDT IO space */
static struct ar7_wdt *ar7_wdt;
@@ -265,9 +263,7 @@ static int ar7_wdt_probe(struct platform_device *pdev)
{
int rc;
- ar7_regs_wdt =
- platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
- ar7_wdt = devm_ioremap_resource(&pdev->dev, ar7_regs_wdt);
+ ar7_wdt = devm_platform_ioremap_resource_byname(pdev, "regs");
if (IS_ERR(ar7_wdt))
return PTR_ERR(ar7_wdt);
