linux-kernel - Re: [PATCH v8 2/2] clk: intel: Add CGU clock driver for a new SoC

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Message-ID: <c91ec0e0-5a16-2e28-dae0-4219f5f5340f@linux.intel.com>
Date:   Wed, 27 May 2020 11:53:14 +0800
From:   "Tanwar, Rahul" <rahul.tanwar@...ux.intel.com>
To:     Stephen Boyd <sboyd@...nel.org>, linux-clk@...r.kernel.org,
        mturquette@...libre.com
Cc:     robh@...nel.org, mark.rutland@....com,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        andriy.shevchenko@...el.com, qi-ming.wu@...el.com,
        yixin.zhu@...ux.intel.com, cheol.yong.kim@...el.com,
        rtanwar <rahul.tanwar@...el.com>
Subject: Re: [PATCH v8 2/2] clk: intel: Add CGU clock driver for a new SoC


Hi Stephen,

On 27/5/2020 10:10 am, Stephen Boyd wrote:
> Quoting Rahul Tanwar (2020-04-16 22:54:47)
>> diff --git a/drivers/clk/x86/clk-cgu.c b/drivers/clk/x86/clk-cgu.c
>> new file mode 100644
>> index 000000000000..802a7fa88535
>> --- /dev/null
>> +++ b/drivers/clk/x86/clk-cgu.c
>> @@ -0,0 +1,636 @@
> [...]
>> +       ctx->membase = devm_platform_ioremap_resource(pdev, 0);
>> +       if (IS_ERR(ctx->membase))
>> +               return PTR_ERR(ctx->membase);
>> +
>> +       ctx->np = np;
>> +       ctx->dev = dev;
>> +       spin_lock_init(&ctx->lock);
>> +
>> +       ret = lgm_clk_register_plls(ctx, lgm_pll_clks,
>> +                                   ARRAY_SIZE(lgm_pll_clks));
>> +       if (ret)
>> +               return ret;
>> +
>> +       ret = lgm_clk_register_branches(ctx, lgm_branch_clks,
>> +                                       ARRAY_SIZE(lgm_branch_clks));
>> +       if (ret)
>> +               return ret;
>> +
>> +       ret = lgm_clk_register_ddiv(ctx, lgm_ddiv_clks,
>> +                                   ARRAY_SIZE(lgm_ddiv_clks));
>> +       if (ret)
>> +               return ret;
>> +
>> +       ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
>> +                                         &ctx->clk_data);
>> +       if (ret)
>> +               return ret;
> Are any of the clks unregistered on failure? It looks like devm_ isn't
> used for registration so nothing can be undone? Please fix this in a
> future patch.

Thanks a lot for accepting the patch series. I went through all of your
comments and i agree with all of them. Will fix it & address other
review concerns in a future patch once 5.8 is released.

Regards,
Rahul