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authorChuanhong Guo <gch981213@gmail.com>2023-01-21 10:47:59 +0800
committerChuanhong Guo <gch981213@gmail.com>2023-01-21 10:54:23 +0800
commitf183ce35b8ea2fd991ac489fb223b09a1ecb4db0 (patch)
tree228f18c4ba684f051d90b2dffa48d6741d3640cc /target/linux/generic/files
parent5d409062a30ce39c0f80252ca3f2bcecb1443de5 (diff)
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kernel: mtk-bmt: fix usage of _oob_read
_oob_read returns number of bitflips on success while bbt_nand_read should return 0. Fixes: 2d49e49b18 ("mediatek: bmt: use generic mtd api") Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Diffstat (limited to 'target/linux/generic/files')
-rw-r--r--target/linux/generic/files/drivers/mtd/nand/mtk_bmt.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/target/linux/generic/files/drivers/mtd/nand/mtk_bmt.h b/target/linux/generic/files/drivers/mtd/nand/mtk_bmt.h
index dff1f28c81..517ff7414f 100644
--- a/target/linux/generic/files/drivers/mtd/nand/mtk_bmt.h
+++ b/target/linux/generic/files/drivers/mtd/nand/mtk_bmt.h
@@ -95,8 +95,14 @@ bbt_nand_read(u32 page, unsigned char *dat, int dat_len,
.datbuf = dat,
.len = dat_len,
};
-
- return bmtd._read_oob(bmtd.mtd, page << bmtd.pg_shift, &ops);
+ int ret;
+
+ ret = bmtd._read_oob(bmtd.mtd, page << bmtd.pg_shift, &ops);
+ if (ret < 0)
+ return ret;
+ if (ret)
+ pr_info("%s: %d bitflips\n", __func__, ret);
+ return 0;
}
static inline int bbt_nand_erase(u16 block)