This is a note to let you know that I've just added the patch titled mtd: nand: qcom: fix config error for BCH to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: mtd-nand-qcom-fix-config-error-for-bch.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 10777de570016471fd929869c7830a7772893e39 Mon Sep 17 00:00:00 2001 From: Abhishek Sahu <absahu@xxxxxxxxxxxxxx> Date: Thu, 3 Aug 2017 17:56:39 +0200 Subject: mtd: nand: qcom: fix config error for BCH From: Abhishek Sahu <absahu@xxxxxxxxxxxxxx> 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 <absahu@xxxxxxxxxxxxxx> Reviewed-by: Archit Taneja <architt@xxxxxxxxxxxxxx> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/mtd/nand/qcom_nandc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- 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 q | 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 Patches currently in stable-queue which might be from absahu@xxxxxxxxxxxxxx are queue-4.9/mtd-nand-qcom-fix-config-error-for-bch.patch queue-4.9/mtd-nand-qcom-fix-read-failure-without-complete-bootchain.patch