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Commit ea7864bf authored by Lee Jones's avatar Lee Jones Committed by Brian Norris
Browse files

mtd: st_spi_fsm: Allow loop to run at least once before giving up CPU 



Reported-by: default avatarBrian Norris <computersforpeace@gmail.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
parent f1919cb8

drivers/mtd/devices/st_spi_fsm.c

+2 −2
Original line number Diff line number Diff line
@@ -861,8 +861,6 @@ static uint8_t stfsm_wait_busy(struct stfsm *fsm) 
	 */

	deadline = jiffies + FLASH_MAX_BUSY_WAIT;

	while (!timeout) {

		cond_resched();



		if (time_after_eq(jiffies, deadline))

			timeout = 1;
@@ -881,6 +879,8 @@ static uint8_t stfsm_wait_busy(struct stfsm *fsm) 
		if (!timeout)

			/* Restart */

			writel(seq->seq_cfg, fsm->base + SPI_FAST_SEQ_CFG);



		cond_resched();

	}



	dev_err(fsm->dev, "timeout on wait_busy\n");