riscom8, eliminate busy loop
Signed-off-by: Jiri Slaby <[email protected]>
---
commit 221eebee5eedfa7c2463dcbfb545b92595512310
tree ea667b3ef038cff3a0e86266d37d364766a17303
parent a677db846e7951118d0409956f4197cc01194f99
author Jiri Slaby <[email protected]> Wed, 23 May 2007 17:30:19 +0200
committer Jiri Slaby <[email protected]> Wed, 23 May 2007 17:30:19 +0200
drivers/char/riscom8.c | 12 ++----------
1 files changed, 2 insertions(+), 10 deletions(-)
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index 3494e3f..8ea231f 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -213,14 +213,6 @@ static inline void rc_release_io_range(struct riscom_board * const bp)
release_region(RC_TO_ISA(rc_ioport[i]) + bp->base, 1);
}
-/* Must be called with enabled interrupts */
-static inline void rc_long_delay(unsigned long delay)
-{
- unsigned long i;
-
- for (i = jiffies + delay; time_after(i,jiffies); ) ;
-}
-
/* Reset and setup CD180 chip */
static void __init rc_init_CD180(struct riscom_board const * bp)
{
@@ -231,7 +223,7 @@ static void __init rc_init_CD180(struct riscom_board const * bp)
rc_wait_CCR(bp); /* Wait for CCR ready */
rc_out(bp, CD180_CCR, CCR_HARDRESET); /* Reset CD180 chip */
sti();
- rc_long_delay(HZ/20); /* Delay 0.05 sec */
+ msleep(50); /* Delay 0.05 sec */
cli();
rc_out(bp, CD180_GIVR, RC_ID); /* Set ID for this chip */
rc_out(bp, CD180_GICR, 0); /* Clear all bits */
@@ -280,7 +272,7 @@ static int __init rc_probe(struct riscom_board *bp)
rc_wait_CCR(bp);
rc_out(bp, CD180_CCR, CCR_TXEN); /* Enable transmitter */
rc_out(bp, CD180_IER, IER_TXRDY); /* Enable tx empty intr */
- rc_long_delay(HZ/20);
+ msleep(50);
irqs = probe_irq_off(irqs);
val1 = rc_in(bp, RC_BSR); /* Get Board Status reg */
val2 = rc_in(bp, RC_ACK_TINT); /* ACK interrupt */
-
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