From: Abhishek Sahu Date: Thu, 3 Aug 2017 15:56:39 +0000 (+0200) Subject: mtd: nand: qcom: fix config error for BCH X-Git-Tag: v4.12.13~19 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=02c54b35cad8146087b6f6fd790428c915e91449;p=thirdparty%2Fkernel%2Fstable.git mtd: nand: qcom: fix config error for BCH commit 10777de570016471fd929869c7830a7772893e39 upstream. The configuration for BCH is not correct in the current driver. The ECC_CFG_ECC_DISABLE bit defines whether to enable or disable the BCH ECC in which 0x1 : BCH_DISABLED 0x0 : BCH_ENABLED But currently host->bch_enabled is being assigned to BCH_DISABLED. Fixes: c76b78d8ec05a ("mtd: nand: Qualcomm NAND controller driver") Signed-off-by: Abhishek Sahu Reviewed-by: Archit Taneja Signed-off-by: Boris Brezillon Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c index a45e61fe0a663..6f0fd1512ad29 100644 --- a/drivers/mtd/nand/qcom_nandc.c +++ b/drivers/mtd/nand/qcom_nandc.c @@ -1900,7 +1900,7 @@ static int qcom_nand_host_setup(struct qcom_nand_host *host) | wide_bus << WIDE_FLASH | 1 << DEV0_CFG1_ECC_DISABLE; - host->ecc_bch_cfg = host->bch_enabled << ECC_CFG_ECC_DISABLE + host->ecc_bch_cfg = !host->bch_enabled << ECC_CFG_ECC_DISABLE | 0 << ECC_SW_RESET | host->cw_data << ECC_NUM_DATA_BYTES | 1 << ECC_FORCE_CLK_OPEN