From: Maciej Andrzejewski Date: Mon, 2 Dec 2024 18:58:36 +0000 (+0100) Subject: mtd: rawnand: arasan: Fix missing de-registration of NAND X-Git-Tag: v5.15.176~100 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f8a50745358b24eacbaaec4bc922f8948204209;p=thirdparty%2Fkernel%2Fstable.git mtd: rawnand: arasan: Fix missing de-registration of NAND 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: 197b88fecc50 ("mtd: rawnand: arasan: Add new Arasan NAND controller") Cc: stable@vger.kernel.org Signed-off-by: Maciej Andrzejewski ICEYE Signed-off-by: Miquel Raynal Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/mtd/nand/raw/arasan-nand-controller.c b/drivers/mtd/nand/raw/arasan-nand-controller.c index f0b74e88a3d02..42e6ccd58f5d6 100644 --- a/drivers/mtd/nand/raw/arasan-nand-controller.c +++ b/drivers/mtd/nand/raw/arasan-nand-controller.c @@ -1510,8 +1510,15 @@ disable_controller_clk: static int 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); clk_disable_unprepare(nfc->bus_clk);