diff options
| author | Jiri Slaby <jirislaby@gmail.com> | 2007-07-17 13:05:19 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-17 19:23:10 +0200 |
| commit | 3e98cee717fb8e9f4ff15a70e357927c5f3c7793 (patch) | |
| tree | 3d37904e1d297631b4030f8c708d87df2a54b7f6 | |
| parent | Char: moxa, eliminate busy waiting (diff) | |
| download | linux-3e98cee717fb8e9f4ff15a70e357927c5f3c7793.tar.xz linux-3e98cee717fb8e9f4ff15a70e357927c5f3c7793.zip | |
Char: specialix, remove busy waiting
use msleep instead, because not in atomic
Cc: Roger Wolff <R.E.Wolff@BitWizard.nl>
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/char/specialix.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c index baf7234b6e66..455855631aef 100644 --- a/drivers/char/specialix.c +++ b/drivers/char/specialix.c @@ -345,18 +345,6 @@ static inline void sx_release_io_range(struct specialix_board * bp) } -/* Must be called with enabled interrupts */ -/* Ugly. Very ugly. Don't use this for anything else than initialization - code */ -static inline void sx_long_delay(unsigned long delay) -{ - unsigned long i; - - for (i = jiffies + delay; time_after(i, jiffies); ) ; -} - - - /* Set the IRQ using the RTS lines that run to the PAL on the board.... */ static int sx_set_irq ( struct specialix_board *bp) { @@ -397,7 +385,7 @@ static int sx_init_CD186x(struct specialix_board * bp) spin_lock_irqsave(&bp->lock, flags); sx_out_off(bp, CD186x_CCR, CCR_HARDRESET); /* Reset CD186x chip */ spin_unlock_irqrestore(&bp->lock, flags); - sx_long_delay(HZ/20); /* Delay 0.05 sec */ + msleep(50); /* Delay 0.05 sec */ spin_lock_irqsave(&bp->lock, flags); sx_out_off(bp, CD186x_GIVR, SX_ID); /* Set ID for this chip */ sx_out_off(bp, CD186x_GICR, 0); /* Clear all bits */ @@ -533,7 +521,7 @@ static int sx_probe(struct specialix_board *bp) sx_wait_CCR(bp); sx_out(bp, CD186x_CCR, CCR_TXEN); /* Enable transmitter */ sx_out(bp, CD186x_IER, IER_TXRDY); /* Enable tx empty intr */ - sx_long_delay(HZ/20); + msleep(50); irqs = probe_irq_off(irqs); dprintk (SX_DEBUG_INIT, "SRSR = %02x, ", sx_in(bp, CD186x_SRSR)); |