Re: [PATCH v3] ARC: [plat-hsdk]: Add reset controller node to manage ethernet reset
From: Eugeniy Paltsev
Date: Thu Oct 05 2017 - 09:26:35 EST
On Thu, 2017-10-05 at 06:04 -0700, Vineet Gupta wrote:
> Hi Eugeniy,
> On 09/22/2017 09:49 AM, Eugeniy Paltsev wrote:
> > DW ethernet controller on HSDK hangs sometimes after SW reset, so
> > add reset node to make possible to reset DW ethernet controller HW.
> > Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@xxxxxxxxxxxx>
> > ---
> > Changes v2 -> v3:
> > ÂÂÂ* Remove v1 suffix as we finaly got rid of v1 suffix in reset
> > ÂÂÂÂÂdriver and docs.
> > ÂÂÂ* Rename reset node to "reset-controller" for consistency with
> > ÂÂÂÂÂthe other bindings.
> > Changes v1 -> v2:
> > ÂÂÂ* Enable HSDK reset driver in hsdk_defconfig
> Revisiting this given that changes to driver have been merged upstream: weÂ
> currently carry a reset workaround for axs+ethernet, i.e. your patch
> ÂÂÂÂÂARC: [plat-axs103] Add temporary quirk to reset ethernet IP
> But there's nothing similar for HSDK. IOW, we don't need to revert anything foroÂ
> hsdk, after this gets applied ?
Thatâs correct. We don't need to revert anything for hsdk.
We only need to apply this patch.