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

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Date:   Wed, 2 Aug 2017 11:05:07 +0530
From:   Vivek Gautam <vivek.gautam@...eaurora.org>
To:     Kishon Vijay Abraham I <kishon@...com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        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

On Wed, Aug 2, 2017 at 10:39 AM, Kishon Vijay Abraham I <kishon@...com> wrote:
> 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!

Thanks Kishon.

regards
Vivek

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