netdev - Re: [PATCH netdev] net: stmmac: dwmac-rk: Don't fail if phy regulator is absent

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Date:   Fri, 30 Aug 2019 14:17:28 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     wens@...nel.org
Cc:     peppe.cavallaro@...com, alexandre.torgue@...com,
        joabreu@...opsys.com, heiko@...ech.de, wens@...e.org,
        linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH netdev] net: stmmac: dwmac-rk: Don't fail if phy
 regulator is absent

From: Chen-Yu Tsai <wens@...nel.org>
Date: Thu, 29 Aug 2019 11:17:24 +0800

> From: Chen-Yu Tsai <wens@...e.org>
> 
> The devicetree binding lists the phy phy as optional. As such, the
> driver should not bail out if it can't find a regulator. Instead it
> should just skip the remaining regulator related code and continue
> on normally.
> 
> Skip the remainder of phy_power_on() if a regulator supply isn't
> available. This also gets rid of the bogus return code.
> 
> Fixes: 2e12f536635f ("net: stmmac: dwmac-rk: Use standard devicetree property for phy regulator")
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>

Applied and queued up for -stable.

> On a separate note, maybe we should add this file to the Rockchip
> entry in MAINTAINERS?

Yes, probably.

Thanks.