[PATCH] watchdog: sunxi: fix activation of system reset

Guenter Roeck linux at roeck-us.net
Mon Jul 6 13:24:30 PDT 2015


On 07/06/2015 10:59 AM, Francesco Lavra wrote:
> Commit f2147de3 ("watchdog: sunxi: support parameterized compatible
> strings") introduced a regression in sunxi_wdt_start(), by which
> the system reset function of the watchdog is not enabled upon
> starting the watchdog. Fix it.
>
> Signed-off-by: Francesco Lavra <francescolavra.fl at gmail.com>

Reviewed-by: Guenter Roeck <linux at roeck-us.net>

> ---
>   drivers/watchdog/sunxi_wdt.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/sunxi_wdt.c b/drivers/watchdog/sunxi_wdt.c
> index a29afb3..47bd8a1 100644
> --- a/drivers/watchdog/sunxi_wdt.c
> +++ b/drivers/watchdog/sunxi_wdt.c
> @@ -184,7 +184,7 @@ static int sunxi_wdt_start(struct watchdog_device *wdt_dev)
>   	/* Set system reset function */
>   	reg = readl(wdt_base + regs->wdt_cfg);
>   	reg &= ~(regs->wdt_reset_mask);
> -	reg |= ~(regs->wdt_reset_val);
> +	reg |= regs->wdt_reset_val;
>   	writel(reg, wdt_base + regs->wdt_cfg);
>
>   	/* Enable watchdog */
>




More information about the linux-arm-kernel mailing list