From: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Date: Mon, 26 Sep 2016 09:15:22 +0000 (+0100)
Subject: ASoC: wm_adsp: Use usleep_range for short delay
X-Git-Tag: v4.9-rc1~120^2^2~10^4~4
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=1fa96f3fdad7cef5d043a502682580d2bc3d5ace;p=linux.git

ASoC: wm_adsp: Use usleep_range for short delay

Replace the 1ms msleep in wm_adsp2_ena with a usleep_range, as per
normal guidance on delay functions. Also tighten up the delay a little
as 1ms was quite generous.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 24485ec5866f..4188c3763bc3 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -2237,7 +2237,7 @@ static int wm_adsp2_ena(struct wm_adsp *dsp)
 		if (val & ADSP2_RAM_RDY)
 			break;
 
-		msleep(1);
+		usleep_range(250, 500);
 	}
 
 	if (!(val & ADSP2_RAM_RDY)) {