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authorChunyan Zhang <chunyan.zhang@unisoc.com>2021-08-26 11:15:46 +0200
committerMark Brown <broonie@kernel.org>2021-08-26 13:09:37 +0200
commit245ca2cc212bb2a078332ec99afbfbb202f44c2d (patch)
treefbbec96915965340fc69ca2f9470f6c916d66a1d /drivers/spi
parentspi: sprd: fill offset only to RD_CMD register for reading from slave device (diff)
downloadlinux-245ca2cc212bb2a078332ec99afbfbb202f44c2d.tar.xz
linux-245ca2cc212bb2a078332ec99afbfbb202f44c2d.zip
spi: sprd: Fix the wrong WDG_LOAD_VAL
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@unisoc.com> Link: https://lore.kernel.org/r/20210826091549.2138125-2-zhang.lyra@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-sprd-adi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi-sprd-adi.c b/drivers/spi/spi-sprd-adi.c
index 07f11b17bf20..d392dc6db927 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