linux-kernel - Re: [PATCH] phy: qcom-qmp: Fix failure path in phy

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Date:   Mon, 31 Jul 2017 10:58:47 +0530
From:   Vivek Gautam <vivek.gautam@...eaurora.org>
To:     kishon <kishon@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:     linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Linux USB Mailing List <linux-usb@...r.kernel.org>,
        Greg KH <gregkh@...uxfoundation.org>,
        Vivek Gautam <vivek.gautam@...eaurora.org>
Subject: Re: [PATCH] phy: qcom-qmp: Fix failure path in phy_init functions

Hi Kishon,


On Tue, Jun 20, 2017 at 11:27 AM, Vivek Gautam
<vivek.gautam@...eaurora.org> wrote:
> Fixing the clk enable failure path in qcom_qmp_phy_init()
> and cleanup the reset control deassertion failure path in
> qcom_qmp_phy_com_init().
>
> Fixes: e78f3d15e115 ("phy: qcom-qmp: new qmp phy driver for qcom-chipsets")
>
> Cc: Kishon Vijay Abraham I <kishon@...com>
> Signed-off-by: Vivek Gautam <vivek.gautam@...eaurora.org>

This patch got missed. Can you please pull this in?

regards
Vivek

> ---
>  drivers/phy/qualcomm/phy-qcom-qmp.c | 15 ++++++---------
>  1 file changed, 6 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
> index 78ca62897784..7b739571b301 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
> @@ -654,8 +654,6 @@ static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp)
>                 if (ret) {
>                         dev_err(qmp->dev, "%s reset deassert failed\n",
>                                 qmp->cfg->reset_list[i]);
> -                       while (--i >= 0)
> -                               reset_control_assert(qmp->resets[i]);
>                         goto err_rst;
>                 }
>         }
> @@ -684,7 +682,7 @@ static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp)
>                 if (ret) {
>                         dev_err(qmp->dev,
>                                 "phy common block init timed-out\n");
> -                       goto err_com_init;
> +                       goto err_rst;
>                 }
>         }
>
> @@ -692,11 +690,11 @@ static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp)
>
>         return 0;
>
> -err_com_init:
> +err_rst:
>         while (--i >= 0)
>                 reset_control_assert(qmp->resets[i]);
> -err_rst:
>         mutex_unlock(&qmp->phy_mutex);
> +
>         return ret;
>  }
>
> @@ -749,14 +747,13 @@ static int qcom_qmp_phy_init(struct phy *phy)
>                 if (ret) {
>                         dev_err(qmp->dev, "failed to enable %s clk, err=%d\n",
>                                 qmp->cfg->clk_list[i], ret);
> -                       while (--i >= 0)
> -                               clk_disable_unprepare(qmp->clks[i]);
> +                       goto err_clk;
>                 }
>         }
>
>         ret = qcom_qmp_phy_com_init(qmp);
>         if (ret)
> -               goto err_com_init;
> +               goto err_clk;
>
>         if (cfg->has_lane_rst) {
>                 ret = reset_control_deassert(qphy->lane_rst);
> @@ -804,7 +801,7 @@ static int qcom_qmp_phy_init(struct phy *phy)
>                 reset_control_assert(qphy->lane_rst);
>  err_lane_rst:
>         qcom_qmp_phy_com_exit(qmp);
> -err_com_init:
> +err_clk:
>         while (--i >= 0)
>                 clk_disable_unprepare(qmp->clks[i]);
>
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>



-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project