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| author | Felix Fietkau <nbd@nbd.name> | 2022-01-09 20:18:27 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2022-01-13 18:33:06 +0100 |
| commit | 0ddead089778e399d01a744d91eed3d665922bd4 (patch) | |
| tree | c76fc1b65451f1cd48dff6990ad50213a6f72384 /target/linux/generic/files/drivers | |
| parent | b86452f8414d921058d800922849691a0fcfe2a6 (diff) | |
| download | upstream-0ddead089778e399d01a744d91eed3d665922bd4.tar.gz upstream-0ddead089778e399d01a744d91eed3d665922bd4.tar.bz2 upstream-0ddead089778e399d01a744d91eed3d665922bd4.zip | |
kernel: mtk_bmt: pass number of bitflips on read to the caller
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/generic/files/drivers')
| -rw-r--r-- | target/linux/generic/files/drivers/mtd/nand/mtk_bmt.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/target/linux/generic/files/drivers/mtd/nand/mtk_bmt.c b/target/linux/generic/files/drivers/mtd/nand/mtk_bmt.c index 14fbd246d7..84538f9180 100644 --- a/target/linux/generic/files/drivers/mtd/nand/mtk_bmt.c +++ b/target/linux/generic/files/drivers/mtd/nand/mtk_bmt.c @@ -497,6 +497,7 @@ mtk_bmt_read(struct mtd_info *mtd, loff_t from, int retry_count = 0; loff_t cur_from; int ret = 0; + int max_bitflips = 0; ops->retlen = 0; ops->oobretlen = 0; @@ -518,12 +519,14 @@ mtk_bmt_read(struct mtd_info *mtd, loff_t from, cur_ret = bmtd._read_oob(mtd, cur_from, &cur_ops); if (cur_ret < 0) ret = cur_ret; + else + max_bitflips = max_t(int, max_bitflips, cur_ret); if (cur_ret < 0 && !mtd_is_bitflip(cur_ret)) { update_bmt(block, mtd->erasesize); if (retry_count++ < 10) continue; - return ret; + goto out; } ops->retlen += cur_ops.retlen; @@ -541,7 +544,11 @@ mtk_bmt_read(struct mtd_info *mtd, loff_t from, retry_count = 0; } - return ret; +out: + if (ret < 0) + return ret; + + return max_bitflips; } static int |