linux-kernel - [PATCH 5.14 080/334] spi: sprd: Fix the wrong WDG_LOAD

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Message-Id: <20210913131116.102633675@linuxfoundation.org>
Date:   Mon, 13 Sep 2021 15:12:14 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Chunyan Zhang <chunyan.zhang@...soc.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.14 080/334] spi: sprd: Fix the wrong WDG_LOAD_VAL

From: Chunyan Zhang <chunyan.zhang@...soc.com>

[ 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@...soc.com>
Link: https://lore.kernel.org/r/20210826091549.2138125-2-zhang.lyra@gmail.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/spi/spi-sprd-adi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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
 
-- 
2.30.2