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

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Date:   Wed, 2 Aug 2017 10:39:51 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Vivek Gautam <vivek.gautam@...eaurora.org>,
        "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>
Subject: Re: [PATCH] phy: qcom-qmp: Fix failure path in phy_init functions

Vivek,

On Monday 31 July 2017 10:58 AM, Vivek Gautam wrote:
> 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?

merged now, thanks!

-Kishon
> 
> 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
>>
> 
> 
>