On 2018-05-26 14:12, Miquel Raynal wrote:
Hi Abhishek,

On Fri, 25 May 2018 17:51:33 +0530, Abhishek Sahu
<abs...@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 <abs...@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"


 Thanks Miquel.
 Will update that.

 Regards,
 Abhishek

+       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.ray...@bootlin.com>

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