The multi-reg write function uses udelay(), which is a busy-loop based delaying function that is not suitable for a long delays. Hence let's replace the udelay() with fsleep(), which is flexible sleep function that selects best delay function based on the delay-time. Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx> --- drivers/base/regmap/regmap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index e93700af7e6e..a417cb1a11dc 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -2231,7 +2231,7 @@ static int _regmap_range_multi_paged_reg_write(struct regmap *map, return ret; if (regs[i].delay_us) - udelay(regs[i].delay_us); + fsleep(regs[i].delay_us); base += n; n = 0; @@ -2268,7 +2268,7 @@ static int _regmap_multi_reg_write(struct regmap *map, return ret; if (regs[i].delay_us) - udelay(regs[i].delay_us); + fsleep(regs[i].delay_us); } return 0; } -- 2.27.0
