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

Arnd Bergmann
2013-04-25T17:29:08Z

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

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-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