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| author | Krzysztof Helt <krzysztof.h1@wp.pl> | 2009-01-12 21:25:04 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-01-13 07:52:24 +0100 |
| commit | 554b91edec1c588b889a7357ff201c0a450e31ff (patch) | |
| tree | c400b840e11a9799dc4d3ea4c304ac41cb545e87 /sound | |
| parent | 199f7978730a4bbd88038fd84212b30759579f1a (diff) | |
| download | linux-stable-554b91edec1c588b889a7357ff201c0a450e31ff.tar.gz linux-stable-554b91edec1c588b889a7357ff201c0a450e31ff.tar.bz2 linux-stable-554b91edec1c588b889a7357ff201c0a450e31ff.zip | |
ALSA: sscape: fix incorrect timeout after microcode upload
A comment states that one should wait up to 5 secs
while a waiting loop waits only 5 system ticks.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/isa/sscape.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c index bc449166d18d..6a7f842b9627 100644 --- a/sound/isa/sscape.c +++ b/sound/isa/sscape.c @@ -393,20 +393,20 @@ static int sscape_wait_dma_unsafe(unsigned io_base, enum GA_REG reg, unsigned ti */ static int obp_startup_ack(struct soundscape *s, unsigned timeout) { - while (timeout != 0) { + unsigned long end_time = jiffies + msecs_to_jiffies(timeout); + + do { unsigned long flags; unsigned char x; - schedule_timeout_uninterruptible(1); - spin_lock_irqsave(&s->lock, flags); x = inb(HOST_DATA_IO(s->io_base)); spin_unlock_irqrestore(&s->lock, flags); if ((x & 0xfe) == 0xfe) return 1; - --timeout; - } /* while */ + msleep(10); + } while (time_before(jiffies, end_time)); return 0; } @@ -420,20 +420,20 @@ static int obp_startup_ack(struct soundscape *s, unsigned timeout) */ static int host_startup_ack(struct soundscape *s, unsigned timeout) { - while (timeout != 0) { + unsigned long end_time = jiffies + msecs_to_jiffies(timeout); + + do { unsigned long flags; unsigned char x; - schedule_timeout_uninterruptible(1); - spin_lock_irqsave(&s->lock, flags); x = inb(HOST_DATA_IO(s->io_base)); spin_unlock_irqrestore(&s->lock, flags); if (x == 0xfe) return 1; - --timeout; - } /* while */ + msleep(10); + } while (time_before(jiffies, end_time)); return 0; } @@ -529,10 +529,10 @@ static int upload_dma_data(struct soundscape *s, * give it 5 seconds (max) ... */ ret = 0; - if (!obp_startup_ack(s, 5)) { + if (!obp_startup_ack(s, 5000)) { snd_printk(KERN_ERR "sscape: No response from on-board processor after upload\n"); ret = -EAGAIN; - } else if (!host_startup_ack(s, 5)) { + } else if (!host_startup_ack(s, 5000)) { snd_printk(KERN_ERR "sscape: SoundScape failed to initialise\n"); ret = -EAGAIN; } |