[1/3] mtd: rawnand: qcom: Update read_loc size to 512

Message ID 20230818145101.23825-2-quic_mdalam@quicinc.com
State New
Headers
Series [1/3] mtd: rawnand: qcom: Update read_loc size to 512 |

Commit Message

Md Sadre Alam Aug. 18, 2023, 2:50 p.m. UTC
  For parameter page read upper layer is passing len
as 256 bytes and if we try to configure 256 bytes
size in read loaction register then subsequent bam
transaction is getting timed out for 4K nand devices.
So update this length as one step size if its
less than NANDC_STEP_SIZE.

Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com>
Signed-off-by: Md Sadre Alam <quic_mdalam@quicinc.com>
---
 drivers/mtd/nand/raw/qcom_nandc.c | 3 +++
 1 file changed, 3 insertions(+)
  

Patch

diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c
index d4ba0d04c970..413e214c8e87 100644
--- a/drivers/mtd/nand/raw/qcom_nandc.c
+++ b/drivers/mtd/nand/raw/qcom_nandc.c
@@ -2885,6 +2885,9 @@  static int qcom_param_page_type_exec(struct nand_chip *chip,  const struct nand_
 	op_id = q_op.data_instr_idx;
 	len = nand_subop_get_data_len(subop, op_id);
 
+	if (len < NANDC_STEP_SIZE)
+		len = NANDC_STEP_SIZE;
+
 	nandc_set_read_loc(chip, 0, 0, 0, len, 1);
 
 	if (!nandc->props->qpic_v2) {