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| author | Lingling Xu <ling_ling.xu@unisoc.com> | 2020-06-02 16:24:15 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-06-02 11:45:11 +0100 |
| commit | 8bdd79dae1ff5397351b95e249abcae126572617 (patch) | |
| tree | 636fc751546ba1b47c6d5207593e0cb8bf734ed1 /drivers/spi | |
| parent | 263b81dc6c932c8bc550d5e7bfc178d2b3fc491e (diff) | |
| download | linux-8bdd79dae1ff5397351b95e249abcae126572617.tar.bz2 | |
spi: sprd: switch the sequence of setting WDG_LOAD_LOW and _HIGH
The watchdog counter consists of WDG_LOAD_LOW and WDG_LOAD_HIGH,
which would be loaded to watchdog counter once writing WDG_LOAD_LOW.
Fixes: ac1775012058 ("spi: sprd: Add the support of restarting the system")
Signed-off-by: Lingling Xu <ling_ling.xu@unisoc.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Link: https://lore.kernel.org/r/20200602082415.5848-1-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.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi-sprd-adi.c b/drivers/spi/spi-sprd-adi.c index 88e6543648cb..bd23c4689b46 100644 --- a/drivers/spi/spi-sprd-adi.c +++ b/drivers/spi/spi-sprd-adi.c @@ -389,9 +389,9 @@ static int sprd_adi_restart_handler(struct notifier_block *this, sprd_adi_write(sadi, sadi->slave_pbase + REG_WDG_CTRL, val); /* Load the watchdog timeout value, 50ms is always enough. */ + sprd_adi_write(sadi, sadi->slave_pbase + REG_WDG_LOAD_HIGH, 0); sprd_adi_write(sadi, sadi->slave_pbase + REG_WDG_LOAD_LOW, WDG_LOAD_VAL & WDG_LOAD_MASK); - sprd_adi_write(sadi, sadi->slave_pbase + REG_WDG_LOAD_HIGH, 0); /* Start the watchdog to reset system */ sprd_adi_read(sadi, sadi->slave_pbase + REG_WDG_CTRL, &val); |