[PATCH v3] wdt: nuvoton: Fix reset/expire function error

[Stefan Roese]

On 10/18/23 04:09, Jim Liu wrote:
> Fix npcm845 watchdog halt for reset function and expire function.
> Reset function is restart wdt.
> 
> Signed-off-by: Jim Liu <JJLIU0 at nuvoton.com>
> 
> Changes for v3:
>     - Modify start sentences
>     - Remove empty line
> Changes for v2:
>     - Add commit message
>     - Fix no empty line problem
>     - Remove dts
> ---

The revision history should be placed below the "---" line. This way
it will not be included in the commit text when committing. No need to
change this though, I'll fix it up.

Reviewed-by: Stefan Roese <sr at denx.de>

Thanks,
Stefan

>   drivers/watchdog/npcm_wdt.c | 10 ++++++++--
>   1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/watchdog/npcm_wdt.c b/drivers/watchdog/npcm_wdt.c
> index e56aa0ebe1..57b61215a2 100644
> --- a/drivers/watchdog/npcm_wdt.c
> +++ b/drivers/watchdog/npcm_wdt.c
> @@ -69,15 +69,21 @@ static int npcm_wdt_stop(struct udevice *dev)
>   static int npcm_wdt_reset(struct udevice *dev)
>   {
>   	struct npcm_wdt_priv *priv = dev_get_priv(dev);
> +	u32 val;
>   
> -	writel(NPCM_WTR | NPCM_WTRE | NPCM_WTE, priv->regs);
> +	val = readl(priv->regs);
> +	writel(val | NPCM_WTR, priv->regs);
>   
>   	return 0;
>   }
>   
>   static int npcm_wdt_expire_now(struct udevice *dev, ulong flags)
>   {
> -	return npcm_wdt_reset(dev);
> +	struct npcm_wdt_priv *priv = dev_get_priv(dev);
> +
> +	writel(NPCM_WTR | NPCM_WTRE | NPCM_WTE, priv->regs);
> +
> +	return 0;
>   }
>   
>   static int npcm_wdt_of_to_plat(struct udevice *dev)

Viele Grüße,
Stefan Roese

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