linux-kernel - Re: [PATCH 42/43] phy: qcom-qmp-pcie-msm8996: drop reset lane suffix

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Message-ID: <1fc88380-1960-6ed7-0933-d97bfa820dcb@linaro.org>
Date:   Tue, 5 Jul 2022 12:21:27 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Johan Hovold <johan+linaro@...nel.org>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 42/43] phy: qcom-qmp-pcie-msm8996: drop reset lane suffix

On 05/07/2022 11:42, Johan Hovold wrote:
> The lane reset is defined in the "lane" node so there's no need to keep
> adding a redundant lane-number suffix to the reset name.
> 
> Drop the lane-number suffix from the lane reset name, but continue
> supporting the legacy name as a fall back.
> 
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> ---
>  drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
> index b8481dab54db..9ddb42fa5f7a 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
> @@ -915,9 +915,12 @@ int qcom_qmp_phy_pcie_msm8996_create(struct device *dev, struct device_node *np,
>  				     "failed to get lane%d pipe clock\n", id);
>  	}
>  
> -	/* Get lane reset, if any */
> -	snprintf(prop_name, sizeof(prop_name), "lane%d", id);
> -	qphy->lane_rst = of_reset_control_get_exclusive(np, prop_name);
> +	qphy->lane_rst = of_reset_control_get_exclusive(np, "lane");

As well, just grab first entry and ABI is kept stable.

Best regards,
Krzysztof