Re: [PATCH v1 2/8] watchdog: f71808e_wdt: indicate WDIOF_CARDRESET support in watchdog_info.options

From: Guenter Roeck
Date: Tue Jun 30 2020 - 16:51:37 EST


On Thu, Jun 11, 2020 at 09:17:43PM +0200, Ahmad Fatoum wrote:
> The driver supports populating bootstatus with WDIOF_CARDRESET, but so
> far userspace couldn't portably determine whether absence of this flag
> meant no watchdog reset or no driver support. Or-in the bit to fix this.
>
> Fixes: b97cb21a4634 ("watchdog: f71808e_wdt: Fix WDTMOUT_STS register read")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> drivers/watchdog/f71808e_wdt.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c
> index a3c44d75d80e..c8ce80c13403 100644
> --- a/drivers/watchdog/f71808e_wdt.c
> +++ b/drivers/watchdog/f71808e_wdt.c
> @@ -692,7 +692,8 @@ static int __init watchdog_init(int sioaddr)
> watchdog.sioaddr = sioaddr;
> watchdog.ident.options = WDIOC_SETTIMEOUT
> | WDIOF_MAGICCLOSE
> - | WDIOF_KEEPALIVEPING;
> + | WDIOF_KEEPALIVEPING
> + | WDIOF_CARDRESET;
>
> snprintf(watchdog.ident.identity,
> sizeof(watchdog.ident.identity), "%s watchdog",