From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: wei.fang@nxp.com, andrew@lunn.ch, hkallweit1@gmail.com,
linux@armlinux.org.uk, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, f.fainelli@gmail.com,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2 net 1/2] dt-bindings: net: ar803x: add disable-hibernation-mode propetry
Date: Wed, 17 Aug 2022 08:52:18 +0300 [thread overview]
Message-ID: <d2b28def-28d8-1a7b-8971-e13eb35e43fa@linaro.org> (raw)
In-Reply-To: <20220817020322.454369-2-wei.fang@nxp.com>
On 17/08/2022 05:03, wei.fang@nxp.com wrote:
> From: Wei Fang <wei.fang@nxp.com>
>
> The hibernation mode of Atheros AR803x PHYs defaults to be
> enabled after hardware reset. When the cable is unplugged,
> the PHY will enter hibernation mode after about 10 seconds
> and the PHY clocks will be stopped to save power.
> However, some MACs need the phy output clock for proper
> functioning of their logic. For instance, stmmac needs the
> RX_CLK of PHY for software reset to complete.
> Therefore, add a DT property to configure the PHY to disable
> this hardware hibernation mode.
>
> Signed-off-by: Wei Fang <wei.fang@nxp.com>
> ---
> V2 change:
> 1. Add subject prefix.
> 2. Modify the property name and description to make them
> clear.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards,
Krzysztof
next prev parent reply other threads:[~2022-08-17 5:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-17 2:03 [PATCH V2 net 0/2] Add DT property to disable hibernation mode wei.fang
2022-08-17 2:03 ` [PATCH V2 net 1/2] dt-bindings: net: ar803x: add disable-hibernation-mode propetry wei.fang
2022-08-17 5:52 ` Krzysztof Kozlowski [this message]
2022-08-17 2:03 ` [PATCH V2 net 2/2] net: phy: at803x: add disable hibernation mode support wei.fang
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