This is a note to let you know that I've just added the patch titled
spi: sprd: Fix the wrong WDG_LOAD_VAL
to the 5.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
spi-sprd-fix-the-wrong-wdg_load_val.patch
and it can be found in the queue-5.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 9faff4ef400fb739954184d9495ad1efb2c9a4d8
Author: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>
Date: Thu Aug 26 17:15:46 2021 +0800
spi: sprd: Fix the wrong WDG_LOAD_VAL
[ Upstream commit 245ca2cc212bb2a078332ec99afbfbb202f44c2d ]
Use 50ms as default timeout value and the time clock is 32768HZ.
The original value of WDG_LOAD_VAL is not correct, so this patch
fixes it.
Fixes: ac1775012058 ("spi: sprd: Add the support of restarting the system")
Signed-off-by: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210826091549.2138125-2-zhang.lyra@xxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/spi/spi-sprd-adi.c b/drivers/spi/spi-sprd-adi.c
index ab19068be867..98ef17389952 100644
--- a/drivers/spi/spi-sprd-adi.c
+++ b/drivers/spi/spi-sprd-adi.c
@@ -103,7 +103,7 @@
#define HWRST_STATUS_WATCHDOG 0xf0
/* Use default timeout 50 ms that converts to watchdog values */
-#define WDG_LOAD_VAL ((50 * 1000) / 32768)
+#define WDG_LOAD_VAL ((50 * 32768) / 1000)
#define WDG_LOAD_MASK GENMASK(15, 0)
#define WDG_UNLOCK_KEY 0xe551
