diff mbox series

[2/3] mtd: rawnand: qcom: Clear buf_count and buf_start in raw read

Message ID 20230818145101.23825-3-quic_mdalam@quicinc.com (mailing list archive)
State Not Applicable
Headers show
Series mtd: rawnand: qcom: Fixes for exec_op | expand

Commit Message

Md Sadre Alam Aug. 18, 2023, 2:51 p.m. UTC 
Initialize buf_count and buf_start to 0 before starting the
raw read. If we will not initialize then read staus will get
updated with wrong value and we will see failure for even
successful raw read transaction.

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(+)

Comments

Miquel Raynal Aug. 18, 2023, 8:02 p.m. UTC | #1 
On Fri, 2023-08-18 at 14:51:00 UTC, Md Sadre Alam wrote:
> Initialize buf_count and buf_start to 0 before starting the
> raw read. If we will not initialize then read staus will get
> updated with wrong value and we will see failure for even
> successful raw read transaction.
> 
> Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com>
> Signed-off-by: Md Sadre Alam <quic_mdalam@quicinc.com>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel
diff mbox series

Patch

diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c
index 413e214c8e87..73dd1b4e4e31 100644
--- a/drivers/mtd/nand/raw/qcom_nandc.c
+++ b/drivers/mtd/nand/raw/qcom_nandc.c
@@ -1471,6 +1471,9 @@  qcom_nandc_read_cw_raw(struct mtd_info *mtd, struct nand_chip *chip,
 	int raw_cw = cw;
 
 	nand_read_page_op(chip, page, 0, NULL, 0);
+	nandc->buf_count = 0;
+	nandc->buf_start = 0;
+	clear_read_regs(nandc);
 	host->use_ecc = false;
 
 	if (nandc->props->qpic_v2)