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: ac17750 ("spi: sprd: Add the support of restarting the system")
Signed-off-by: Lingling Xu <[email protected]>
Signed-off-by: Chunyan Zhang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: Lingling Xu

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);