From: Chris Packham chris.packham@alliedtelesis.co.nz
[ Upstream commit 8a6f4d346f3bad9c68b4a87701eb3f7978542d57 ]
When new timing values are calculated in marvell_nfc_setup_interface() ensure that they will be applied in marvell_nfc_select_target() by clearing the selected_chip pointer.
Fixes: b25251414f6e ("mtd: rawnand: marvell: Stop implementing ->select_chip()") Suggested-by: Miquel Raynal miquel.raynal@bootlin.com Signed-off-by: Chris Packham chris.packham@alliedtelesis.co.nz Signed-off-by: Miquel Raynal miquel.raynal@bootlin.com Link: https://lore.kernel.org/linux-mtd/20230525003154.2303012-1-chris.packham@all... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/mtd/nand/raw/marvell_nand.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c index b9d1e96e33345..72069a8643563 100644 --- a/drivers/mtd/nand/raw/marvell_nand.c +++ b/drivers/mtd/nand/raw/marvell_nand.c @@ -2449,6 +2449,12 @@ static int marvell_nfc_setup_interface(struct nand_chip *chip, int chipnr, NDTR1_WAIT_MODE; }
+ /* + * Reset nfc->selected_chip so the next command will cause the timing + * registers to be updated in marvell_nfc_select_target(). + */ + nfc->selected_chip = NULL; + return 0; }