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mtd: rawnand: arasan: Fix missing de-registration of NAND

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commit 11e6831fd81468cf48155b9b3c11295c391da723 upstream.

The NAND chip-selects are registered for the Arasan driver during
initialization but are not de-registered when the driver is unloaded. As a
result, if the driver is loaded again, the chip-selects remain registered
and busy, making them unavailable for use.

Fixes: 197b88fecc ("mtd: rawnand: arasan: Add new Arasan NAND controller")
Cc: stable@vger.kernel.org
Signed-off-by: Maciej Andrzejewski ICEYE <maciej.andrzejewski@m-works.net>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Maciej Andrzejewski
2024-12-02 19:58:36 +01:00
committed by Greg Kroah-Hartman
parent acb13fcf75
commit 464b493ac4
1 changed files with 7 additions and 0 deletions
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drivers/mtd/nand/raw/arasan-nand-controller.c
+7
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@@ -1478,8 +1478,15 @@ static int anfc_probe(struct platform_device *pdev)
static void anfc_remove(struct platform_device *pdev)
{
int i;
struct arasan_nfc *nfc = platform_get_drvdata(pdev);
for (i = 0; i < nfc->ncs; i++) {
if (nfc->cs_array[i]) {
gpiod_put(nfc->cs_array[i]);
}
}
anfc_chips_cleanup(nfc);
}