From: Pengpeng Hou Date: Fri, 3 Jul 2026 07:42:33 +0000 (+0800) Subject: mtd: rawnand: fsl_ifc: return errors for failed page reads X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f9a13e05a327080c3a1c8165adf9e678fb68fef2;p=thirdparty%2Fkernel%2Flinux.git mtd: rawnand: fsl_ifc: return errors for failed page reads fsl_ifc_run_command() logs controller timeout and other non-OPC completion states in ctrl->nand_stat. fsl_ifc_read_page() then only increments the ECC failure counter for non-OPC status and still returns max_bitflips, which can be zero. Return -ETIMEDOUT when the command did not complete at all and -EIO for other non-OPC read completions so the NAND core does not treat a failed page read as a clean page. Fixes: 82771882d960 ("NAND Machine support for Integrated Flash Controller") Cc: stable@vger.kernel.org Signed-off-by: Pengpeng Hou Signed-off-by: Miquel Raynal --- diff --git a/drivers/mtd/nand/raw/fsl_ifc_nand.c b/drivers/mtd/nand/raw/fsl_ifc_nand.c index fad0334f759d..a88ac2cfaccd 100644 --- a/drivers/mtd/nand/raw/fsl_ifc_nand.c +++ b/drivers/mtd/nand/raw/fsl_ifc_nand.c @@ -684,8 +684,15 @@ static int fsl_ifc_read_page(struct nand_chip *chip, uint8_t *buf, return check_erased_page(chip, buf); } - if (ctrl->nand_stat != IFC_NAND_EVTER_STAT_OPC) + if (!ctrl->nand_stat) { mtd->ecc_stats.failed++; + return -ETIMEDOUT; + } + + if (ctrl->nand_stat != IFC_NAND_EVTER_STAT_OPC) { + mtd->ecc_stats.failed++; + return -EIO; + } return nctrl->max_bitflips; }