diff mbox

ASoC: rsnd: ssi: wait maximum 5ms for status check

Message ID 87r2ngc7k1.wl%kuninori.morimoto.gx@renesas.com (mailing list archive)
State Accepted
Commit 3fd391fb7c97ab6dfb9e44926a265566d1d1ab79
Headers show

Commit Message

Kuninori Morimoto April 16, 2018, 12:38 a.m. UTC 
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

It is waiting udelay(50) x 1024 (= 50ms) for status check
in worst case, but it is overkill.
And we shouldn't use udelay() for 50us
(linux/Documentation/timers/timers-howto.txt)

Waiting maximum udelay(5) x 1024 (= 5ms) is very enough
for status check.
This patch fixes these issue.

Reported-by: Hiromitsu Yamasaki <hiromitsu.yamasaki.ym@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
 sound/soc/sh/rcar/ssi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index 31ffe3f..9538f76 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -171,7 +171,7 @@  static void rsnd_ssi_status_check(struct rsnd_mod *mod,
 		if (status & bit)
 			return;
 
-		udelay(50);
+		udelay(5);
 	}
 
 	dev_warn(dev, "%s[%d] status check failed\n",