linux-kernel - Re: [PATCH v2 26/31] clk: mediatek: mtk: Implement error handling in register APIs

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Message-ID: <737f3fdd-9349-ce8e-be14-41f1378e163b@collabora.com>
Date:   Thu, 3 Feb 2022 10:47:31 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Chen-Yu Tsai <wenst@...omium.org>, Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     Chun-Jie Chen <chun-jie.chen@...iatek.com>,
        Miles Chen <miles.chen@...iatek.com>,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 26/31] clk: mediatek: mtk: Implement error handling in
 register APIs

Il 02/02/22 14:48, Chen-Yu Tsai ha scritto:
> The remaining clk registration functions do not stop or return errors
> if any clk failed to be registered, nor do they implement error
> handling paths. This may result in a partially working device if any
> step fails.
> 
> Make the register functions return proper error codes, and bail out if
> errors occur. Proper cleanup, i.e. unregister any clks that were
> successfully registered, is done in the new error path.
> 
> This also makes the |struct clk_data *| argument mandatory, as it is
> used to track the list of clks registered.
> 
> Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
> Reviewed-by: Miles Chen <miles.chen@...iatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>