[PATCH v2 01/25] mtd: nand: qcom: fix config error for BCH
Abhishek Sahu
absahu at codeaurora.org
Thu Aug 3 10:52:37 PDT 2017
On 2017-08-03 21:26, Boris Brezillon wrote:
> On Wed, 19 Jul 2017 17:17:49 +0530
> Abhishek Sahu <absahu at codeaurora.org> 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 at vger.kernel.org
>> Signed-off-by: Abhishek Sahu <absahu at codeaurora.org>
>> ---
>> 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?
>
The idea was to change the copyright year since we are making
the changes in this file. If it requires separate patch, then I
will do the same.
Also I need to change 'assined' -> assigned in commit text. I can
update the patch and fix this. I am planning to send the v3 patches
tomorrow which incorporates all the review comments.
>> *
>> * 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
--
Abhishek Sahu
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