[] [Change tick_delay for spi work safety]
[Description]
Add tick_delay to fix spi sampling point errors which caused
by different board PCB layout. Since the board of Panther/Cheetah
customers are more complicated than our demo version, a safer
value is required to meet the requirements.
[Release-log]
N/A
Change-Id: I06b6eacfdc807d542b2e92549b5b0d51025f1fb9
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5980598
diff --git a/target/linux/mediatek/patches-5.4/9011-Modify-tick_delay-for-spi-work-safety.patch b/target/linux/mediatek/patches-5.4/9011-Modify-tick_delay-for-spi-work-safety.patch
new file mode 100644
index 0000000..dd73f82
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/9011-Modify-tick_delay-for-spi-work-safety.patch
@@ -0,0 +1,25 @@
+From 02205bef8a645d4374d2869e3a5a5a1d7c2e693a Mon Sep 17 00:00:00 2001
+From: Qii Wang <qii.wang@mediatek.com>
+Date: Sat, 14 May 2022 14:18:13 +0800
+Subject: [PATCH] [Modify tick_delay for spi work safety]
+
+---
+ drivers/spi/spi-mt65xx.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
+index bef03bd8c..c19e2d4d7 100644
+--- a/drivers/spi/spi-mt65xx.c
++++ b/drivers/spi/spi-mt65xx.c
+@@ -195,7 +195,7 @@ static const struct mtk_spi_compatible mt8183_compat = {
+ */
+ static const struct mtk_chip_config mtk_default_chip_info = {
+ .sample_sel = 0,
+- .get_tick_dly = 1,
++ .get_tick_dly = 2,
+ };
+
+ static const struct of_device_id mtk_spi_of_match[] = {
+--
+2.18.0
+