Re: [PATCH 2/2] stmmac: intel: Honor phy LED set by system firmware on a Dell hardware

From: Kai-Heng Feng
Date: Fri Jan 14 2022 - 01:48:07 EST


On Fri, Jan 14, 2022 at 12:35 PM Jakub Kicinski <kuba@xxxxxxxxxx> wrote:
>
> On Fri, 14 Jan 2022 12:07:54 +0800 Kai-Heng Feng wrote:
> > BIOS on Dell Edge Gateway 3200 already makes its own phy LED setting, so
> > instead of setting another value, keep it untouched and restore the saved
> > value on system resume.
> >
> > Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
>
> I defer to PHY experts for review. Coincidentally the first Marvell
> flag appears dead, nobody sets it:
>
> $ git grep MARVELL_PHY_M1145_FLAGS_RESISTANCE
> drivers/net/phy/marvell.c: if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
> include/linux/marvell_phy.h:#define MARVELL_PHY_M1145_FLAGS_RESISTANCE 0x00000001
> $
>
> unless it's read from DT under different name or something.

It was introduced by 95d21ff4c645 without any user. Should we keep it?

>
>
> Once you get some reviews please wait for net-next to open:
>
> http://vger.kernel.org/~davem/net-next.html
>
> and repost. It should happen the week of Jan 24th. When you repost
> please drop the first patch, I believe Russell does not like the BIT()
> macro, his opinion overrides checkpatch.

Of course. I'll wait for the review and resubmit the 2nd patch.

Kai-Heng

>
> Thanks!