At this stage of system shutdown procedure the jiffies may not be updated anymore, so just use udelay instead. Cc: Dmitry Eremin-Solenikov <dbaryshkov@xxxxxxxxx> Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx> Signed-off-by: Pawel Moll <pawel.moll@xxxxxxx> --- drivers/power/reset/vexpress-poweroff.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/power/reset/vexpress-poweroff.c b/drivers/power/reset/vexpress-poweroff.c index 37e7799..195235c 100644 --- a/drivers/power/reset/vexpress-poweroff.c +++ b/drivers/power/reset/vexpress-poweroff.c @@ -11,7 +11,7 @@ * Copyright (C) 2012 ARM Limited */ -#include <linux/jiffies.h> +#include <linux/delay.h> #include <linux/of.h> #include <linux/of_device.h> #include <linux/platform_device.h> @@ -26,13 +26,9 @@ static void vexpress_reset_do(struct device *dev, const char *what) struct regmap *reg = dev_get_drvdata(dev); if (reg) { - unsigned long timeout; - err = regmap_write(reg, 0, 0); - - timeout = jiffies + HZ; - while (time_before(jiffies, timeout)) - cpu_relax(); + if (!err) + mdelay(1000); } dev_emerg(dev, "Unable to %s (%d)\n", what, err); -- 1.8.3.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-arm-kernel