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authorArseniy Krasnov <avkrasnov@sberdevices.ru>2023-03-29 10:47:26 +0300
committerMiquel Raynal <miquel.raynal@bootlin.com>2023-04-03 18:58:01 +0300
commit93942b70461574ca7fc3d91494ca89b16a4c64c7 (patch)
tree29ec4af593ae7a613efce02c8e26547a632cdef8 /drivers/mtd
parent0c3089601f064d80b3838eceb711fcac04bceaad (diff)
downloadlinux-93942b70461574ca7fc3d91494ca89b16a4c64c7.tar.xz
mtd: rawnand: meson: fix bitmask for length in command word
Valid mask is 0x3FFF, without this patch the following problems were found: 1) [ 0.938914] Could not find a valid ONFI parameter page, trying bit-wise majority to recover it [ 0.947384] ONFI parameter recovery failed, aborting 2) Read with disabled ECC mode was broken. Fixes: 8fae856c5350 ("mtd: rawnand: meson: add support for Amlogic NAND flash controller") Cc: <Stable@vger.kernel.org> Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/3794ffbf-dfea-e96f-1f97-fe235b005e19@sberdevices.ru
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/raw/meson_nand.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c
index a28574c00900..074e14225c06 100644
--- a/drivers/mtd/nand/raw/meson_nand.c
+++ b/drivers/mtd/nand/raw/meson_nand.c
@@ -280,7 +280,7 @@ static void meson_nfc_cmd_access(struct nand_chip *nand, int raw, bool dir,
if (raw) {
len = mtd->writesize + mtd->oobsize;
- cmd = (len & GENMASK(5, 0)) | scrambler | DMA_DIR(dir);
+ cmd = (len & GENMASK(13, 0)) | scrambler | DMA_DIR(dir);
writel(cmd, nfc->reg_base + NFC_REG_CMD);
return;
}
@@ -544,7 +544,7 @@ static int meson_nfc_read_buf(struct nand_chip *nand, u8 *buf, int len)
if (ret)
goto out;
- cmd = NFC_CMD_N2M | (len & GENMASK(5, 0));
+ cmd = NFC_CMD_N2M | (len & GENMASK(13, 0));
writel(cmd, nfc->reg_base + NFC_REG_CMD);
meson_nfc_drain_cmd(nfc);
@@ -568,7 +568,7 @@ static int meson_nfc_write_buf(struct nand_chip *nand, u8 *buf, int len)
if (ret)
return ret;
- cmd = NFC_CMD_M2N | (len & GENMASK(5, 0));
+ cmd = NFC_CMD_M2N | (len & GENMASK(13, 0));
writel(cmd, nfc->reg_base + NFC_REG_CMD);
meson_nfc_drain_cmd(nfc);