From: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
[ 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@xxxxxxxxxxx>
Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Link: https://lore.kernel.org/linux-mtd/20230525003154.2303012-1-chris.packham@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 3034916d2e252..52342f2c126da 100644
--- a/drivers/mtd/nand/raw/marvell_nand.c
+++ b/drivers/mtd/nand/raw/marvell_nand.c
@@ -2457,6 +2457,12 @@ 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;
}
--
2.39.2
