Re: [PATCH v2] ARM: dts: ZII: Disable HW Ethernet switch reset GPIOs

From: Shawn Guo
Date: Mon Aug 17 2020 - 09:29:17 EST


On Wed, Jul 22, 2020 at 01:33:41PM -0700, Chris Healy wrote:
> From: Chris Healy <cphealy@xxxxxxxxx>
>
> Disable Ethernet switch reset GPIO with ZII platforms that have it
> enabled. HW switch reset results in a reset of the copper PHYs
> inside of the switch. We want to avoid this reset of the copper PHYs
> in the switch as this results in unnecessary broader network disruption on
> a soft reboot of the application processor.
>
> With the HW GPIO removed, the switch driver still performs a soft reset of
> the switch core which has been shown to sufficiently meet our needs with
> other ZII platforms that do not have the HW switch reset GPIO defined.
>
> Signed-off-by: Chris Healy <cphealy@xxxxxxxxx>

Applied, thanks.