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Date: Mon, 20 Nov 2023 15:22:08 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Luo Jie <quic_luoj@...cinc.com>, agross@...nel.org, andersson@...nel.org,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
 conor+dt@...nel.org, andrew@...n.ch, hkallweit1@...il.com,
 linux@...linux.org.uk, robert.marko@...tura.hr
Cc: linux-arm-msm@...r.kernel.org, netdev@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 quic_srichara@...cinc.com
Subject: Re: [PATCH 2/9] net: mdio: ipq4019: Enable the clocks for ipq5332
 platform

On 15.11.2023 04:25, Luo Jie wrote:
> For the platform ipq5332, the related GCC clocks need to be enabled
> to make the GPIO reset of the MDIO slave devices taking effect.
> 
> Signed-off-by: Luo Jie <quic_luoj@...cinc.com>
[...]

>  static int ipq4019_mdio_wait_busy(struct mii_bus *bus)
> @@ -212,6 +231,38 @@ static int ipq_mdio_reset(struct mii_bus *bus)
>  	u32 val;
>  	int ret;
>  
> +	/* For the platform ipq5332, there are two uniphy available to connect the
> +	 * ethernet devices, the uniphy gcc clock should be enabled for resetting
> +	 * the connected device such as qca8386 switch or qca8081 PHY effectively.
> +	 */
> +	if (of_device_is_compatible(bus->parent->of_node, "qcom,ipq5332-mdio")) {
Would that not also be taken care of in the phy driver?

Konrad

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