linux-kernel - Re: [PATCH 1/2] phy: qcom-qusb2: New driver for QUSB2 PHY on Qcom chips

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Message-ID: <CAFp+6iFzUQsNjoVohDDvrgNm_DJdUTOyeUx28r0c_3g3Uz8Nyw@mail.gmail.com>
Date:   Thu, 20 Oct 2016 09:43:40 +0530
From:   Vivek Gautam <vivek.gautam@...eaurora.org>
To:     kishon <kishon@...com>, "robh+dt" <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-arm-msm@...r.kernel.org,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        fengguang.wu@...el.com, kbuild-all@...org
Subject: Re: [PATCH 1/2] phy: qcom-qusb2: New driver for QUSB2 PHY on Qcom chips

On Wed, Oct 19, 2016 at 4:13 PM, Vivek Gautam
<vivek.gautam@...eaurora.org> wrote:
> PHY transceiver driver for QUSB2 phy controller that provides
> HighSpeed functionality for DWC3 controller present on
> Qualcomm chipsets.
>
> This driver is based on phy-msm-qusb driver available in
> msm-4.4 kernel @codeaurora[1]
>
> [1] https://source.codeaurora.org/quic/la/kernel/msm-4.4/log/?h=caf/3.18/msm-3.18
>
> Signed-off-by: Vivek Gautam <vivek.gautam@...eaurora.org>
> Cc: Kishon Vijay Abraham I <kishon@...com>
> ---

[snip]

> +       qphy->ref_clk_src = devm_clk_get(dev, "ref_clk_src");
> +       if (IS_ERR(qphy->ref_clk_src)) {
> +               qphy->ref_clk_src = NULL;
> +               ret = PTR_ERR(qphy->ref_clk_src);

Pointed out by Kbuild test: ERROR: PTR_ERR applied after
initialization to constant on line

Will correct this in the next patch version.

Same for ref_clk and iface_clk.

> +               if (ret != -EPROBE_DEFER)
> +                       dev_dbg(dev, "clk get failed for ref_clk_src\n");
> +       }
> +
> +       qphy->ref_clk = devm_clk_get(dev, "ref_clk");
> +       if (IS_ERR(qphy->ref_clk)) {
> +               qphy->ref_clk = NULL;
> +               ret = PTR_ERR(qphy->ref_clk);

[snip]


Thanks
Vivek


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