| Message ID | 20230727070051.17778-56-frank.li@vivo.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v3,01/62] mmc: sunxi: Convert to platform remove callback returning void | expand |
On Thu, Jul 27, 2023 at 03:00:45PM +0800, Yangtao Li wrote: > 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 (mostly) ignored > 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. > > Trivially convert this driver from always returning zero in the remove > callback to the void returning variant. > > Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> > Signed-off-by: Yangtao Li <frank.li@vivo.com> > Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Builds fine, boots fine, rebind works: Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
diff --git a/drivers/mmc/host/renesas_sdhi.h b/drivers/mmc/host/renesas_sdhi.h index 68da3da9e2e5..c1fb9740eab0 100644 --- a/drivers/mmc/host/renesas_sdhi.h +++ b/drivers/mmc/host/renesas_sdhi.h @@ -101,5 +101,5 @@ int renesas_sdhi_probe(struct platform_device *pdev, const struct tmio_mmc_dma_ops *dma_ops, const struct renesas_sdhi_of_data *of_data, const struct renesas_sdhi_quirks *quirks); -int renesas_sdhi_remove(struct platform_device *pdev); +void renesas_sdhi_remove(struct platform_device *pdev); #endif diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c index 10dbdb4abc93..c675dec587ef 100644 --- a/drivers/mmc/host/renesas_sdhi_core.c +++ b/drivers/mmc/host/renesas_sdhi_core.c @@ -1149,15 +1149,13 @@ int renesas_sdhi_probe(struct platform_device *pdev, } EXPORT_SYMBOL_GPL(renesas_sdhi_probe); -int renesas_sdhi_remove(struct platform_device *pdev) +void renesas_sdhi_remove(struct platform_device *pdev) { struct tmio_mmc_host *host = platform_get_drvdata(pdev); tmio_mmc_host_remove(host); renesas_sdhi_clk_disable(host); tmio_mmc_host_free(host); - - return 0; } EXPORT_SYMBOL_GPL(renesas_sdhi_remove); diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c index 9ab813903b2c..d8efb8035b1f 100644 --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c @@ -609,7 +609,7 @@ static struct platform_driver renesas_internal_dmac_sdhi_driver = { .of_match_table = renesas_sdhi_internal_dmac_of_match, }, .probe = renesas_sdhi_internal_dmac_probe, - .remove = renesas_sdhi_remove, + .remove_new = renesas_sdhi_remove, }; module_platform_driver(renesas_internal_dmac_sdhi_driver); diff --git a/drivers/mmc/host/renesas_sdhi_sys_dmac.c b/drivers/mmc/host/renesas_sdhi_sys_dmac.c index b559ad38b667..248dfeef942a 100644 --- a/drivers/mmc/host/renesas_sdhi_sys_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_sys_dmac.c @@ -470,7 +470,7 @@ static struct platform_driver renesas_sys_dmac_sdhi_driver = { .of_match_table = renesas_sdhi_sys_dmac_of_match, }, .probe = renesas_sdhi_sys_dmac_probe, - .remove = renesas_sdhi_remove, + .remove_new = renesas_sdhi_remove, }; module_platform_driver(renesas_sys_dmac_sdhi_driver);