clk: mediatek: mtk: Implement error handling in register APIs

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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@chromium.org>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220208124034.414635-27-wenst@chromium.org
Reviewed-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

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Chen-Yu Tsai 2022-02-08 20:40:29 +08:00 • committed by Stephen Boyd

parent 6ae34f2b7b

commit 3c3ba2ab02

2 changed files with 103 additions and 35 deletions

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118

drivers/clk/mediatek/clk-mtk.c

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20

drivers/clk/mediatek/clk-mtk.h

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