ab8500_fg: Replace msleep() with usleep_range() for greater accuracy

Doing so provides a greater degree of accuracy when dealing with
time-frames between 1us and 20ms. msleep() is only accurate for
wake-ups greater than 20ms.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonas ABERG <jonas.aberg@stericsson.com>
Reviewed-by: Johan BJORNSTEDT <johan.bjornstedt@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>

diff --git a/drivers/power/ab8500_fg.c b/drivers/power/ab8500_fg.c
index 0f40c96..f3dbba8 100644 (file)
--- a/drivers/power/ab8500_fg.c
+++ b/drivers/power/ab8500_fg.c
@@ -956,7 +956,7 @@ static int ab8500_fg_load_comp_volt_to_capacity(struct ab8500_fg *di)
        do {
                vbat += ab8500_fg_bat_voltage(di);
                i++;
-               msleep(5);
+               usleep_range(5000, 6000);
        } while (!ab8500_fg_inst_curr_done(di));
 
        ab8500_fg_inst_curr_finalize(di, &di->inst_curr);