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authorRoger Quadros <rogerq@kernel.org>2021-12-09 12:04:57 +0300
committerMiquel Raynal <miquel.raynal@bootlin.com>2021-12-17 13:26:03 +0300
commit4695a3cf004a44a8d196d7c2f23d46efca0f92e3 (patch)
tree91336e0031696cc5a2d2d02c2e8bfb2310790813 /drivers/mtd
parent0137c74ad87316305599df8ada54de5273d868ec (diff)
downloadlinux-4695a3cf004a44a8d196d7c2f23d46efca0f92e3.tar.xz
mtd: rawnand: omap2: fix force_8bit flag behaviour for DMA mode
In DMA mode we were not considering the force_8bit flag. Fix it by using regular non-DMA 8-bit I/O if force_8bit flag is set. Signed-off-by: Roger Quadros <rogerq@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20211209090458.24830-6-rogerq@kernel.org
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/raw/omap2.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/omap2.c b/drivers/mtd/nand/raw/omap2.c
index 0c7ee26171ad..2b58ddea3b01 100644
--- a/drivers/mtd/nand/raw/omap2.c
+++ b/drivers/mtd/nand/raw/omap2.c
@@ -447,6 +447,11 @@ static void omap_nand_data_in_dma_pref(struct nand_chip *chip, void *buf,
{
struct mtd_info *mtd = nand_to_mtd(chip);
+ if (force_8bit) {
+ omap_nand_data_in(chip, buf, len, force_8bit);
+ return;
+ }
+
if (len <= mtd->oobsize)
omap_nand_data_in_pref(chip, buf, len, false);
else
@@ -463,6 +468,11 @@ static void omap_nand_data_out_dma_pref(struct nand_chip *chip,
{
struct mtd_info *mtd = nand_to_mtd(chip);
+ if (force_8bit) {
+ omap_nand_data_out(chip, buf, len, force_8bit);
+ return;
+ }
+
if (len <= mtd->oobsize)
omap_nand_data_out_pref(chip, buf, len, false);
else