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mtd: mchp23k256: Warn about failure to unregister mtd device

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mtd_device_unregister() shouldn't fail. Wail loudly if it does anyhow.

This matches how other drivers (e.g. nand/raw/nandsim.c) use
mtd_device_unregister().

By returning 0 in the spi remove callback a generic error message by the
spi framework (and nothing else) is suppressed.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20211108093153.63792-2-u.kleine-koenig@pengutronix.de
This commit is contained in:
Uwe Kleine-König 2021-11-08 10:31:50 +01:00 committed by Miquel Raynal
parent 4fea96afff
commit 367cefbaed
1 changed files with 3 additions and 1 deletions
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4
drivers/mtd/devices/mchp23k256.c
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@ -213,7 +213,9 @@ static int mchp23k256_remove(struct spi_device *spi)
{
struct mchp23k256_flash *flash = spi_get_drvdata(spi);
return mtd_device_unregister(&flash->mtd);
WARN_ON(mtd_device_unregister(&flash->mtd));
return 0;
}
static const struct of_device_id mchp23k256_of_table[] = {