Re: [PATCH v2 2/2] watchdog: Add new arm_smd_wdt watchdog driver

[Guenter Roeck]

On Fri, Apr 03, 2020 at 04:29:00PM +1100, Evan Benn wrote:
> From: Julius Werner <jwerner@xxxxxxxxxxxx>
> 
> This patch adds a watchdog driver that can be used on ARM systems
> with the appropriate watchdog implemented in Secure Monitor firmware.
> The driver communicates with firmware via a Secure Monitor Call.
> This may be useful for platforms using TrustZone that want
> the Secure Monitor firmware to have the final control over the watchdog.
> 
> This is implemented on mt8173 chromebook devices oak, elm and hana in
> arm trusted firmware file plat/mediatek/mt8173/drivers/wdt/wdt.c.
> 
> Signed-off-by: Julius Werner <jwerner@xxxxxxxxxxxx>
> Signed-off-by: Evan Benn <evanbenn@xxxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

Guenter