diff mbox series

[1/2] mtd: nand: raw: denali: Assert reset before deassert

Message ID 20200629101121.134871-1-ley.foon.tan@intel.com
State Accepted
Commit 3e57f879eee61df88c17ca447f1a9f6d7e598cde
Headers show
Series [1/2] mtd: nand: raw: denali: Assert reset before deassert | expand

Commit Message

Tan, Ley Foon June 29, 2020, 10:11 a.m. UTC 
Always put the controller in reset, then take it out of reset.
This is to make sure controller always in reset state in both SPL and
proper Uboot.

This is preparation for the next patch to poll for reset completion
(rst_comp) bit after reset.

Signed-off-by: Radu Bacrau <radu.bacrau at intel.com>
Signed-off-by: Ley Foon Tan <ley.foon.tan at intel.com>
---
 drivers/mtd/nand/raw/denali_dt.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c
index 2728e8098faa..75ad15b0758c 100644
--- a/drivers/mtd/nand/raw/denali_dt.c
+++ b/drivers/mtd/nand/raw/denali_dt.c
@@ -148,6 +148,8 @@  static int denali_dt_probe(struct udevice *dev)
 	if (ret) {
 		dev_warn(dev, "Can't get reset: %d\n", ret);
 	} else {
+		reset_assert_bulk(&resets);
+		udelay(2);
 		reset_deassert_bulk(&resets);
 
 		/*