mtd: st_spi_fsm: Allow loop to run at least once before giving up CPU
Reported-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c
index ef9f9b8..4d6b58c 100644
--- a/drivers/mtd/devices/st_spi_fsm.c
+++ b/drivers/mtd/devices/st_spi_fsm.c
@@ -861,8 +861,6 @@
*/
deadline = jiffies + FLASH_MAX_BUSY_WAIT;
while (!timeout) {
- cond_resched();
-
if (time_after_eq(jiffies, deadline))
timeout = 1;
@@ -881,6 +879,8 @@
if (!timeout)
/* Restart */
writel(seq->seq_cfg, fsm->base + SPI_FAST_SEQ_CFG);
+
+ cond_resched();
}
dev_err(fsm->dev, "timeout on wait_busy\n");