ASoC: au1x: psc-i2s: 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 (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.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20230315150745.67084-38-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/au1x/psc-i2s.c b/sound/soc/au1x/psc-i2s.c
index 79b5ae4e494cb6410350cbc0e9331674193cbadc..52734dec8247215455bfb1adc4eb52f685e16944 100644 (file)
--- a/sound/soc/au1x/psc-i2s.c
+++ b/sound/soc/au1x/psc-i2s.c
@@ -344,7 +344,7 @@ static int au1xpsc_i2s_drvprobe(struct platform_device *pdev)
                                &au1xpsc_i2s_component, &wd->dai_drv, 1);
 }
 
-static int au1xpsc_i2s_drvremove(struct platform_device *pdev)
+static void au1xpsc_i2s_drvremove(struct platform_device *pdev)
 {
        struct au1xpsc_audio_data *wd = platform_get_drvdata(pdev);
 
@@ -352,8 +352,6 @@ static int au1xpsc_i2s_drvremove(struct platform_device *pdev)
        wmb(); /* drain writebuffer */
        __raw_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd));
        wmb(); /* drain writebuffer */
-
-       return 0;
 }
 
 #ifdef CONFIG_PM
@@ -406,7 +404,7 @@ static struct platform_driver au1xpsc_i2s_driver = {
                .pm     = AU1XPSCI2S_PMOPS,
        },
        .probe          = au1xpsc_i2s_drvprobe,
-       .remove         = au1xpsc_i2s_drvremove,
+       .remove_new     = au1xpsc_i2s_drvremove,
 };
 
 module_platform_driver(au1xpsc_i2s_driver);