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.

Acked-by: Miquel Raynal <miquel.ray...@bootlin.com>
Signed-off-by: Abhishek Sahu <abs...@codeaurora.org>
---
* Changes from v3:

 1. Minor change in comment
    (s/512 bytes of data in each step/512 bytes data steps)

* 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 6a5519f..bf80a61 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 data steps */
+       ecc->size = NANDC_STEP_SIZE;
        wide_bus = chip->options & NAND_BUSWIDTH_16 ? true : false;
 
        if (ecc->strength >= 8) {
-- 
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