linux-kernel - Re: [RFCv1 1/8] phy: amlogic: meson8b-usb2: Use clock bulk to get clocks for phy

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Message-ID: <CANAwSgSbr-NZknhQXjhNQiDcz9FNOdFjZKsHhBk3bbEt_UCCEw@mail.gmail.com>
Date:   Fri, 18 Jun 2021 21:02:59 +0530
From:   Anand Moon <linux.amoon@...il.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-phy@...ts.infradead.org,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-amlogic@...ts.infradead.org,
        Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RFCv1 1/8] phy: amlogic: meson8b-usb2: Use clock bulk to get
 clocks for phy

Hi Martin,

On Fri, 18 Jun 2021 at 04:03, Martin Blumenstingl
<martin.blumenstingl@...glemail.com> wrote:
>
> Hi Anand,
>
> On Thu, Jun 17, 2021 at 9:42 PM Anand Moon <linux.amoon@...il.com> wrote:
> [...]
> > +       int                                             num_clks;
> > +       struct clk_bulk_data                            *clks;
> personally I'd get rid of the num_clks as this value is static
> instead I would add a #define with the number of clocks and then...
>
> >         struct reset_control                            *reset;
> ... use something like:
> struct clk_bulk_data                            clks[MESON8B_USB2_PHY_NUM_CLKS];
>
> [...]
> > +               dev_err(&phy->dev, "Failed to enable USB clock\n");
> clock -> clocks
>
> [...]
> > +       priv->num_clks = ARRAY_SIZE(meson_phy_clks);
> > +       priv->clks = devm_kcalloc(&pdev->dev, priv->num_clks,
> > +                                 sizeof(*priv->clks), GFP_KERNEL);
> > +       if (!priv->clks)
> > +               return -ENOMEM;
> by using a fixed-size array as suggested above you don't need to
> dynamically allocate memory anymore
>
>

Thanks for this tip.It works for me.

> Best regards,
> Martin

Thanks

-Anand