From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Abhishek Sahu <absahu@codeaurora.org>
Cc: Boris Brezillon <boris.brezillon@bootlin.com>,
David Woodhouse <dwmw2@infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
Marek Vasut <marek.vasut@gmail.com>,
Richard Weinberger <richard@nod.at>,
Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mtd@lists.infradead.org, Andy Gross <andy.gross@linaro.org>,
Archit Taneja <architt@codeaurora.org>
Subject: Re: [PATCH v3 05/16] mtd: rawnand: qcom: remove dt property nand-ecc-step-size
Date: Sat, 26 May 2018 10:42:59 +0200 [thread overview]
Message-ID: <20180526104259.210d96fc@xps13> (raw)
In-Reply-To: <1527250904-21988-6-git-send-email-absahu@codeaurora.org>
Hi Abhishek,
On Fri, 25 May 2018 17:51:33 +0530, Abhishek Sahu
<absahu@codeaurora.org> wrote:
> QCOM NAND controller supports only one step size (512) so
> nand-ecc-step-size DT property is redundant. This property
> can be removed and ecc step size can be assigned with 512 value.
>
> Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
> ---
> * Changes from v2:
>
> NEW CHANGE
>
> 1. Removed the custom logic and used the helper fuction.
> drivers/mtd/nand/raw/qcom_nandc.c | 11 ++---------
> 1 file changed, 2 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c
> index b554fb6..b538390 100644
> --- a/drivers/mtd/nand/raw/qcom_nandc.c
> +++ b/drivers/mtd/nand/raw/qcom_nandc.c
> @@ -2325,15 +2325,8 @@ static int qcom_nand_host_setup(struct qcom_nand_host *host)
> bool wide_bus;
> int ecc_mode = 1;
>
> - /*
> - * the controller requires each step consists of 512 bytes of data.
> - * bail out if DT has populated a wrong step size.
> - */
> - if (ecc->size != NANDC_STEP_SIZE) {
> - dev_err(nandc->dev, "invalid ecc size\n");
> - return -EINVAL;
> - }
> -
> + /* controller only supports 512 bytes of data in each step */
"512 bytes data steps"
> + ecc->size = NANDC_STEP_SIZE;
> wide_bus = chip->options & NAND_BUSWIDTH_16 ? true : false;
>
> if (ecc->strength >= 8) {
Once corrected:
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
next prev parent reply other threads:[~2018-05-26 8:43 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-25 12:21 [PATCH v3 00/16] Update for QCOM NAND driver Abhishek Sahu
2018-05-25 12:21 ` [PATCH v3 01/16] mtd: rawnand: helper function for setting up ECC configuration Abhishek Sahu
2018-05-26 8:42 ` Miquel Raynal
2018-05-28 5:46 ` Abhishek Sahu
2018-06-07 12:37 ` Miquel Raynal
2018-06-11 9:16 ` Abhishek Sahu
2018-06-18 10:04 ` Miquel Raynal
2018-05-29 19:30 ` Boris Brezillon
2018-05-30 0:28 ` Masahiro Yamada
2018-05-30 6:21 ` Abhishek Sahu
2018-05-30 7:38 ` Masahiro Yamada
2018-05-30 8:53 ` Abhishek Sahu
2018-05-25 12:21 ` [PATCH v3 02/16] mtd: rawnand: denali: use helper function for ecc setup Abhishek Sahu
2018-05-27 9:26 ` Masahiro Yamada
2018-05-25 12:21 ` [PATCH v3 03/16] dt-bindings: qcom_nandc: make nand-ecc-strength optional Abhishek Sahu
2018-05-26 8:42 ` Miquel Raynal
2018-05-28 5:53 ` Abhishek Sahu
2018-05-25 12:21 ` [PATCH v3 04/16] dt-bindings: qcom_nandc: remove nand-ecc-step-size Abhishek Sahu
2018-05-25 12:21 ` [PATCH v3 05/16] mtd: rawnand: qcom: remove dt property nand-ecc-step-size Abhishek Sahu
2018-05-26 8:42 ` Miquel Raynal [this message]
2018-05-28 5:55 ` Abhishek Sahu
2018-05-25 12:21 ` [PATCH v3 06/16] mtd: rawnand: qcom: use the ecc strength from device parameter Abhishek Sahu
2018-05-26 8:43 ` Miquel Raynal
2018-05-28 6:01 ` Abhishek Sahu
2018-05-25 12:21 ` [PATCH v3 07/16] mtd: rawnand: qcom: wait for desc completion in all BAM channels Abhishek Sahu
2018-05-26 8:43 ` Miquel Raynal
2018-05-25 12:21 ` [PATCH v3 08/16] mtd: rawnand: qcom: erased page detection for uncorrectable errors only Abhishek Sahu
2018-05-25 12:21 ` [PATCH v3 09/16] mtd: rawnand: qcom: fix null pointer access for erased page detection Abhishek Sahu
2018-05-25 12:21 ` [PATCH v3 10/16] mtd: rawnand: qcom: parse read errors for read oob also Abhishek Sahu
2018-05-25 12:21 ` [PATCH v3 11/16] mtd: rawnand: qcom: modify write_oob to remove read codeword part Abhishek Sahu
2018-05-25 12:21 ` [PATCH v3 12/16] mtd: rawnand: qcom: fix return value for raw page read Abhishek Sahu
2018-05-26 8:43 ` Miquel Raynal
2018-05-25 12:21 ` [PATCH v3 13/16] mtd: rawnand: qcom: minor code reorganization for bad block check Abhishek Sahu
2018-05-26 8:46 ` Miquel Raynal
2018-05-28 6:12 ` Abhishek Sahu
2018-05-28 7:03 ` Miquel Raynal
2018-05-28 10:10 ` Abhishek Sahu
2018-06-07 12:53 ` Miquel Raynal
2018-06-11 13:22 ` Abhishek Sahu
2018-06-18 11:35 ` Miquel Raynal
2018-06-20 7:04 ` Abhishek Sahu
2018-05-26 8:58 ` Miquel Raynal
2018-05-28 6:16 ` Abhishek Sahu
2018-05-28 7:09 ` Miquel Raynal
2018-05-25 12:21 ` [PATCH v3 14/16] mtd: rawnand: qcom: check for operation errors in case of raw read Abhishek Sahu
2018-05-26 8:58 ` Miquel Raynal
2018-05-25 12:21 ` [PATCH v3 15/16] mtd: rawnand: qcom: helper function for " Abhishek Sahu
2018-05-27 13:53 ` Miquel Raynal
2018-05-28 7:34 ` Abhishek Sahu
2018-06-07 12:43 ` Miquel Raynal
2018-06-11 9:19 ` Abhishek Sahu
2018-05-25 12:21 ` [PATCH v3 16/16] mtd: rawnand: qcom: erased page bitflips detection Abhishek Sahu
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