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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>
This commit is contained in:
Cai Huoqing 2021-09-07 15:42:22 +08:00 committed by Wim Van Sebroeck
parent 94213a39c3
commit 54ccba2f6a
1 changed files with 1 additions and 5 deletions
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6
drivers/watchdog/ar7_wdt.c
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@ -63,8 +63,6 @@ static DEFINE_SPINLOCK(wdt_lock);
/* XXX currently fixed, allows max margin ~68.72 secs */ /* XXX currently fixed, allows max margin ~68.72 secs */
#define prescale_value 0xffff #define prescale_value 0xffff
/* Resource of the WDT registers */
static struct resource *ar7_regs_wdt;
/* Pointer to the remapped WDT IO space */ /* Pointer to the remapped WDT IO space */
static struct ar7_wdt *ar7_wdt; static struct ar7_wdt *ar7_wdt;
@ -265,9 +263,7 @@ static int ar7_wdt_probe(struct platform_device *pdev)
{ {
int rc; int rc;
ar7_regs_wdt = ar7_wdt = devm_platform_ioremap_resource_byname(pdev, "regs");
platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
ar7_wdt = devm_ioremap_resource(&pdev->dev, ar7_regs_wdt);
if (IS_ERR(ar7_wdt)) if (IS_ERR(ar7_wdt))
return PTR_ERR(ar7_wdt); return PTR_ERR(ar7_wdt);