Unverified Commit 2b32d2f7 authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Mark Brown
Browse files

regmap: Use flexible sleep 



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: default avatarDmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20200830185356.5365-3-digetx@gmail.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 7f9fb673

drivers/base/regmap/regmap.c

+2 −2
Original line number Diff line number Diff line
@@ -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;

	}