linux-kernel - Re: [PATCH 05/11] net: stmmac: dwmac-rk: Add internal phy support

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Message-ID: <24bc9102-d37f-1a63-ad7b-f69e8e38d848@rock-chips.com>
Date:   Thu, 27 Jul 2017 20:44:42 +0800
From:   "David.Wu" <david.wu@...k-chips.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     davem@...emloft.net, heiko@...ech.de, robh+dt@...nel.org,
        mark.rutland@....com, catalin.marinas@....com, will.deacon@....com,
        olof@...om.net, linux@...linux.org.uk, arnd@...db.de,
        f.fainelli@...il.com, peppe.cavallaro@...com,
        alexandre.torgue@...com, huangtao@...k-chips.com,
        hwg@...k-chips.com, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 05/11] net: stmmac: dwmac-rk: Add internal phy support

Hi Andrew,

在 2017/6/24 10:29, Andrew Lunn 写道:
> If this is the PHY clock, should it actually be specified in the PHY
> binding? Can you read the PHY ID registers with this clock off?
If the phy clock is closed, we can not read the PHYID.