linux-kernel - Re: [PATCH v3 02/16] phy: qcom-qmp: Adapt to clk_bulk

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Date:   Wed, 20 Dec 2017 08:07:14 +0530
From:   Vivek Gautam <vivek.gautam@...eaurora.org>
To:     Manu Gautam <mgautam@...eaurora.org>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Linux USB Mailing List <linux-usb@...r.kernel.org>,
        Varadarajan Narayanan <varada@...eaurora.org>,
        Wei Yongjun <weiyongjun1@...wei.com>,
        Fengguang Wu <fengguang.wu@...el.com>,
        "open list:GENERIC PHY FRAMEWORK" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 02/16] phy: qcom-qmp: Adapt to clk_bulk_* APIs

Hi Manu,


On Tue, Nov 21, 2017 at 2:53 PM, Manu Gautam <mgautam@...eaurora.org> wrote:
> From: Vivek Gautam <vivek.gautam@...eaurora.org>
>
> Move from using array of clocks to clk_bulk_* APIs that
> are available now.
>
> Signed-off-by: Vivek Gautam <vivek.gautam@...eaurora.org>
> Signed-off-by: Manu Gautam <mgautam@...eaurora.org>
> ---
>  drivers/phy/qualcomm/phy-qcom-qmp.c | 50 ++++++++++++-------------------------
>  1 file changed, 16 insertions(+), 34 deletions(-)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
> index 76acaec..90794dd 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c

[snip]

> @@ -998,29 +992,17 @@ static int qcom_qmp_phy_reset_init(struct device *dev)
>  static int qcom_qmp_phy_clk_init(struct device *dev)
>  {
>         struct qcom_qmp *qmp = dev_get_drvdata(dev);
> -       int ret, i;
> +       int num = qmp->cfg->num_clks;
> +       int i;
>
> -       qmp->clks = devm_kcalloc(dev, qmp->cfg->num_clks,
> -                                sizeof(*qmp->clks), GFP_KERNEL);
> +       qmp->clks = devm_kcalloc(dev, num, sizeof(*qmp->clks), GFP_KERNEL);
>         if (!qmp->clks)
>                 return -ENOMEM;
>
> -       for (i = 0; i < qmp->cfg->num_clks; i++) {
> -               struct clk *_clk;
> -               const char *name = qmp->cfg->clk_list[i];
> -
> -               _clk = devm_clk_get(dev, name);
> -               if (IS_ERR(_clk)) {
> -                       ret = PTR_ERR(_clk);
> -                       if (ret != -EPROBE_DEFER)
> -                               dev_err(dev, "failed to get %s clk, %d\n",
> -                                       name, ret);
> -                       return ret;
> -               }
> -               qmp->clks[i] = _clk;
> -       }
> +       for (i = 0; i < num; i++)
> +               qmp->clks->id = qmp->cfg->clk_list[i];

I think i missed this one while rebasing.
We need to use index with this. Should be:
qmp->clks[i]->id = qmp->cfg->clk_list[i];


Regards
Vivek


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