This is a note to let you know that I've just added the patch titled
mtd: rawnand: marvell: ensure timing values are written
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mtd-rawnand-marvell-ensure-timing-values-are-written.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 1c68b7eddde836e994fd6fd3195177d44c116702
Author: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
Date: Thu May 25 12:31:52 2023 +1200
mtd: rawnand: marvell: ensure timing values are written
[ 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>
diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c
index 36cb0db02bbb0..7ab9e9920c06e 100644
--- a/drivers/mtd/nand/raw/marvell_nand.c
+++ b/drivers/mtd/nand/raw/marvell_nand.c
@@ -2401,6 +2401,12 @@ static int marvell_nfc_setup_data_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;
}
