linux-kernel - [PATCH 06/21] ALSA: ali5451: use mdelay instead of large udelay constants

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Message-Id: <1366910944-3033663-7-git-send-email-arnd@arndb.de>
Date:	Thu, 25 Apr 2013 19:28:49 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	Takashi Iwai <tiwai@...e.de>, alsa-devel@...a-project.org
Subject: [PATCH 06/21] ALSA: ali5451: use mdelay instead of large udelay constants

ARM cannot handle udelay for more than 2 miliseconds, so we
should use mdelay instead for those.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Cc: Takashi Iwai <tiwai@...e.de>
Cc: alsa-devel@...a-project.org
---
 sound/pci/ali5451/ali5451.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index e760af9..53754f5 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -451,10 +451,10 @@ static int snd_ali_reset_5451(struct snd_ali *codec)
 	if (pci_dev) {
 		pci_read_config_dword(pci_dev, 0x7c, &dwVal);
 		pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
-		udelay(5000);
+		mdelay(5);
 		pci_read_config_dword(pci_dev, 0x7c, &dwVal);
 		pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
-		udelay(5000);
+		mdelay(5);
 	}
 	
 	pci_dev = codec->pci;
@@ -463,14 +463,14 @@ static int snd_ali_reset_5451(struct snd_ali *codec)
 	udelay(500);
 	pci_read_config_dword(pci_dev, 0x44, &dwVal);
 	pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
-	udelay(5000);
+	mdelay(5);
 	
 	wCount = 200;
 	while(wCount--) {
 		wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN);
 		if ((wReg & 0x000f) == 0x000f)
 			return 0;
-		udelay(5000);
+		mdelay(5);
 	}
 
 	/* non-fatal if you have a non PM capable codec */
-- 
1.8.1.2

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