[PATCH] watchdog: mpc8xxx_wdt: MPC8xx is HW enabled

Guenter Roeck linux at roeck-us.net
Mon Dec 2 06:43:14 EST 2013


On 11/30/2013 07:45 AM, Christophe Leroy wrote:
> MPC8xx watchdog is enabled at startup by HW.
> If the bootloader disables it, it cannot be reenabled.
>

Is that true for all variants of 8xx, especially for 823 ? I am a bit concerned
about breaking compatibility with some chips ... assuming there was a reason
for not setting this flag originally.

Thanks,
Guenter

> Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
>
> diff -ur a/drivers/watchdog/mpc8xxx_wdt.c b/drivers/watchdog/mpc8xxx_wdt.c
> --- a/drivers/watchdog/mpc8xxx_wdt.c	2013-05-11 22:57:46.000000000 +0200
> +++ b/drivers/watchdog/mpc8xxx_wdt.c	2013-08-08 02:12:15.000000000 +0200
> @@ -273,6 +310,7 @@
>   		.compatible = "fsl,mpc823-wdt",
>   		.data = &(struct mpc8xxx_wdt_type) {
>   			.prescaler = 0x800,
> +			.hw_enabled = true,
>   		},
>   	},
>   	{},
>
> ---
> Ce courrier électronique ne contient aucun virus ou logiciel malveillant parce que la protection avast! Antivirus est active.
> http://www.avast.com
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
>



More information about the Linuxppc-dev mailing list