On Wed, 19 Jul 2017 17:17:49 +0530
Abhishek Sahu <absahu@xxxxxxxxxxxxxx> wrote:
> 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 assined to BCH_DISABLED.
>
> Fixes: c76b78d8ec05a ("mtd: nand: Qualcomm NAND controller driver")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Abhishek Sahu <absahu@xxxxxxxxxxxxxx>
> ---
> drivers/mtd/nand/qcom_nandc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c
> index 57d483a..bc0408c 100644
> --- a/drivers/mtd/nand/qcom_nandc.c
> +++ b/drivers/mtd/nand/qcom_nandc.c
> @@ -1,5 +1,5 @@
> /*
> - * Copyright (c) 2016, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
Hm, this copyright update is not really related to the changes you're
describing in the commit message. I'll drop this line from the commit
(no need to resend it) and ask you to send a separate patch updating the
copyright. Is that ok?
> *
> * This software is licensed under the terms of the GNU General Public
> * License version 2, as published by the Free Software Foundation, and
> @@ -1893,7 +1893,7 @@ 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
--
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