[PATCH v2 5/6] mtd: rawnand: omap2: fix force_8bit flag behaviour for DMA mode
From: Roger Quadros <rogerq@kernel.org>
Date: 2021-12-09 09:06:03
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Subsystem:
memory technology devices (mtd), nand flash subsystem, the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Linus Torvalds
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> --- drivers/mtd/nand/raw/omap2.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
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
--
2.17.1