diff mbox series

watchdog: aspeed: replace mdelay with msleep

Message ID 20241212113014.1075414-1-phil@zankapfel.net (mailing list archive)
State New
Headers show
Series watchdog: aspeed: replace mdelay with msleep | expand

Commit Message

Phil Eichinger Dec. 12, 2024, 11:30 a.m. UTC
Since it is not called in an atomic context the mdelay function
can be replaced with msleep to avoid busy wait.

Signed-off-by: Phil Eichinger <phil@zankapfel.net>
---
 drivers/watchdog/aspeed_wdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Guenter Roeck Dec. 12, 2024, 1:56 p.m. UTC | #1
On 12/12/24 03:30, Phil Eichinger wrote:
> Since it is not called in an atomic context the mdelay function
> can be replaced with msleep to avoid busy wait.
> 
> Signed-off-by: Phil Eichinger <phil@zankapfel.net>
> ---
>   drivers/watchdog/aspeed_wdt.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c
> index b4773a6aaf8c..98ef341408f7 100644
> --- a/drivers/watchdog/aspeed_wdt.c
> +++ b/drivers/watchdog/aspeed_wdt.c
> @@ -208,7 +208,7 @@ static int aspeed_wdt_restart(struct watchdog_device *wdd,
>   	wdt->ctrl &= ~WDT_CTRL_BOOT_SECONDARY;
>   	aspeed_wdt_enable(wdt, 128 * WDT_RATE_1MHZ / 1000);
>   
> -	mdelay(1000);
> +	msleep(1000);
>   
>   	return 0;
>   }
This is a _restart_ handler. The only purpose of the delay is to wait
for the reset to trigger. It is not supposed to sleep.

NACK.

Guenter
diff mbox series

Patch

diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c
index b4773a6aaf8c..98ef341408f7 100644
--- a/drivers/watchdog/aspeed_wdt.c
+++ b/drivers/watchdog/aspeed_wdt.c
@@ -208,7 +208,7 @@  static int aspeed_wdt_restart(struct watchdog_device *wdd,
 	wdt->ctrl &= ~WDT_CTRL_BOOT_SECONDARY;
 	aspeed_wdt_enable(wdt, 128 * WDT_RATE_1MHZ / 1000);
 
-	mdelay(1000);
+	msleep(1000);
 
 	return 0;
 }