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mtd: lpddr2_nvm: Convert to platform remove callback returning void

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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>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/linux-mtd/20231008200143.196369-12-u.kleine-koenig@pengutronix.de
This commit is contained in:
Uwe Kleine-König 2023-10-08 22:01:34 +02:00 committed by Miquel Raynal
parent baaa90c1c9
commit 54600e4024
1 changed files with 2 additions and 4 deletions
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6
drivers/mtd/lpddr/lpddr2_nvm.c
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@ -476,11 +476,9 @@ static int lpddr2_nvm_probe(struct platform_device *pdev)
/*
* lpddr2_nvm driver remove method
*/
static int lpddr2_nvm_remove(struct platform_device *pdev)
static void lpddr2_nvm_remove(struct platform_device *pdev)
{
WARN_ON(mtd_device_unregister(dev_get_drvdata(&pdev->dev)));
return 0;
}
/* Initialize platform_driver data structure for lpddr2_nvm */
@ -489,7 +487,7 @@ static struct platform_driver lpddr2_nvm_drv = {
.name = "lpddr2_nvm",
},
.probe = lpddr2_nvm_probe,
.remove = lpddr2_nvm_remove,
.remove_new = lpddr2_nvm_remove,
};
module_platform_driver(lpddr2_nvm_drv);