Messages in this thread | | | Date | Tue, 30 Aug 2022 11:46:05 +0200 | Subject | Re: [PATCH 2/4] spi: mt7621: Use the devm_clk_get_enabled() helper to simplify error handling | From | AngeloGioacchino Del Regno <> |
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Il 27/08/22 13:42, Christophe JAILLET ha scritto: > The devm_clk_get_enabled() helper: > - calls devm_clk_get() > - calls clk_prepare_enable() and registers what is needed in order to > call clk_disable_unprepare() when needed, as a managed resource. > > This helper is well suited for cases where the clock would be kept > prepared or enabled for the whole lifetime of the driver. > > This simplifies the error handling a lot. > > The order between spi_unregister_controller() (in the remove function) and > the clk_disable_unprepare() (now handle by a managed resource) is kept > the same. > (see commit 46b5c4fb87ce ("spi: mt7621: Don't leak SPI master in probe > error path") to see why it matters) > > Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> > Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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