[PATCH v1 1/2] watchdog: ar9344-wdt: disable watchdog in probe

Sascha Hauer s.hauer at pengutronix.de
Thu Mar 1 01:03:32 PST 2018


On Wed, Feb 28, 2018 at 06:22:05PM +0100, Oleksij Rempel wrote:
> This should avoid of triggering reset if we boot barebox from
> barebox.
> 
> Signed-off-by: Oleksij Rempel <linux at rempel-privat.de>
> ---
>  drivers/watchdog/ar9344_wdt.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/watchdog/ar9344_wdt.c b/drivers/watchdog/ar9344_wdt.c
> index d570cb40f..b61786b1b 100644
> --- a/drivers/watchdog/ar9344_wdt.c
> +++ b/drivers/watchdog/ar9344_wdt.c
> @@ -101,6 +101,8 @@ static int ar9344_wdt_probe(struct device_d *dev)
>  	dev->priv = priv;
>  
>  	ar9344_watchdog_detect_reset_source(priv);
> +	/* disable watchdog on probe */
> +	iowrite32be(0, priv->base + AR9344_WD_REG_CTRL);

Do we really want this? I would assume that if the watchdog is enabled
here, then it is enabled on purpose and disabling it just bypasses this
purpose.

Sascha


-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |



More information about the barebox mailing list