linux-kernel - Re: [RFC PATCH 1/3] clk: add clk_bulk

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Date:   Tue, 11 Apr 2017 20:19:19 +0300
From:   Leonard Crestez <leonard.crestez@....com>
To:     Dong Aisheng <aisheng.dong@....com>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <kernel@...gutronix.de>,
        <broonie@...nel.org>, <yibin.gong@....com>, <rjw@...ysocki.net>,
        <viresh.kumar@...aro.org>, <mturquette@...libre.com>,
        <sboyd@...eaurora.org>, <shawnguo@...nel.org>,
        <fabio.estevam@....com>, <anson.huang@....com>, <ping.bai@....com>,
        <octavian.purdila@....com>, <linux-clk@...r.kernel.org>
Subject: Re: [RFC PATCH 1/3] clk: add clk_bulk_get accessories

On Wed, 2017-04-12 at 12:03 +0800, Dong Aisheng wrote:
> +/**
> + * clk_bulk_enable - ungate a bulk of clocks
> + * @num_clks: the number of clk_bulk_data
> + * @clks: the clk_bulk_data table being ungated
> + *
> + * clk_bulk_enable must not sleep
> + * Returns 0 on success, -EERROR otherwise.
> + */
> +int clk_bulk_enable(int num_clks, struct clk_bulk_data *clks)
> +{
> +       int ret;
> +       int i;
> +
> +       for (i = 0; i < num_clks; i++) {
> +               ret = clk_enable(clks[i].clk);
> +               if (ret) {
> +                       pr_err("Failed to enable clk '%s': %d\n",
> +                               clks[i].id, ret);
> +                       goto err;
> +               }
> +       }
> +
> +       return 0;
> +
> +err:
> +       while (--i >= 0)
> +               clk_put(clks[i].clk);

Shouldn't this be clk_disable?

And you can probably use clk_bulk_disable(i, clks) instead