The read_page hook shall return the number of bitflips. Implement that. Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- drivers/mtd/nand/nand_mxs.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/nand_mxs.c b/drivers/mtd/nand/nand_mxs.c index b06b558..d5428bc 100644 --- a/drivers/mtd/nand/nand_mxs.c +++ b/drivers/mtd/nand/nand_mxs.c @@ -661,6 +661,7 @@ static int mxs_nand_ecc_read_page(struct mtd_info *mtd, struct nand_chip *nand, uint32_t channel = nand_info->dma_channel_base + nand_info->cur_chip; uint32_t corrected = 0, failed = 0; uint8_t *status; + unsigned int max_bitflips = 0; int i, ret; /* Compile the DMA descriptor - wait for ready. */ @@ -766,6 +767,7 @@ static int mxs_nand_ecc_read_page(struct mtd_info *mtd, struct nand_chip *nand, } corrected += status[i]; + max_bitflips = max_t(unsigned int, max_bitflips, status[i]); } /* Propagate ECC status to the owning MTD. */ @@ -787,10 +789,11 @@ static int mxs_nand_ecc_read_page(struct mtd_info *mtd, struct nand_chip *nand, memcpy(buf, nand_info->data_buf, mtd->writesize); + ret = 0; rtn: mxs_nand_return_dma_descs(nand_info); - return ret; + return ret ? ret : max_bitflips; } /* -- 1.9.1 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
