* [PATCH] watchdog: ar7_wdt: Make use of the helper function devm_platform_ioremap_resource_byname()
@ 2021-09-07 7:42 Cai Huoqing
2021-09-07 12:38 ` Guenter Roeck
0 siblings, 1 reply; 2+ messages in thread
From: Cai Huoqing @ 2021-09-07 7:42 UTC (permalink / raw)
To: caihuoqing; +Cc: Wim Van Sebroeck, Guenter Roeck, linux-watchdog, linux-kernel
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>
---
drivers/watchdog/ar7_wdt.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c
index ff37dc91057d..743e171d97a3 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);
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] watchdog: ar7_wdt: Make use of the helper function devm_platform_ioremap_resource_byname()
2021-09-07 7:42 [PATCH] watchdog: ar7_wdt: Make use of the helper function devm_platform_ioremap_resource_byname() Cai Huoqing
@ 2021-09-07 12:38 ` Guenter Roeck
0 siblings, 0 replies; 2+ messages in thread
From: Guenter Roeck @ 2021-09-07 12:38 UTC (permalink / raw)
To: Cai Huoqing; +Cc: Wim Van Sebroeck, linux-watchdog, linux-kernel
On Tue, Sep 07, 2021 at 03:42:22PM +0800, Cai Huoqing wrote:
> 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>
> ---
> drivers/watchdog/ar7_wdt.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c
> index ff37dc91057d..743e171d97a3 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);
>
> --
> 2.25.1
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-09-07 7:42 [PATCH] watchdog: ar7_wdt: Make use of the helper function devm_platform_ioremap_resource_byname() Cai Huoqing
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