Re: [02/12] watchdog: sp5100_tco: Fix watchdog disable bit

From: Lyude Paul
Date: Tue Jan 16 2018 - 14:35:01 EST


On Sun, 2017-12-24 at 13:03 -0800, Guenter Roeck wrote:
> According to all published information, the watchdog disable bit for SB800
> compatible controllers is bit 1 of PM register 0x48, not bit 2. For the
> most part that doesn't matter in practice, since the bit has to be cleared
> to enable watchdog address decoding, which is the default setting, but it
> still needs to be fixed.
Reviewed-by: Lyude Paul <lyude@xxxxxxxxxx>

>
> Cc: ZoltÃn BÃszÃrmÃnyi <zboszor@xxxxx>
> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> drivers/watchdog/sp5100_tco.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/sp5100_tco.h b/drivers/watchdog/sp5100_tco.h
> index f495fe03887a..2622cfe23dc1 100644
> --- a/drivers/watchdog/sp5100_tco.h
> +++ b/drivers/watchdog/sp5100_tco.h
> @@ -52,7 +52,7 @@
> #define SB800_PM_WATCHDOG_CONFIG 0x4C
>
> #define SB800_PCI_WATCHDOG_DECODE_EN (1 << 0)
> -#define SB800_PM_WATCHDOG_DISABLE (1 << 2)
> +#define SB800_PM_WATCHDOG_DISABLE (1 << 1)
> #define SB800_PM_WATCHDOG_SECOND_RES (3 << 0)
> #define SB800_ACPI_MMIO_DECODE_EN (1 << 0)
> #define SB800_ACPI_MMIO_SEL (1 << 1)
--
Cheers,
Lyude Paul