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b8e346bd |
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27-Dec-2023 |
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> |
mailbox: sun6i-msgbox: Convert to platform remove callback returning void The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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25831c44 |
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22-Feb-2020 |
Samuel Holland <samuel@sholland.org> |
mailbox: sun6i-msgbox: Add a new mailbox driver Allwinner sun6i, sun8i, sun9i, and sun50i SoCs contain a hardware message box used for communication between the ARM CPUs and the ARISC management coprocessor. This mailbox contains 8 unidirectional 4-message FIFOs. Add a driver for it, so it can be used with the Linux mailbox framework. Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Samuel Holland <samuel@sholland.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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