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authorJeff Garzik <jeff@garzik.org>2007-10-31 12:20:49 +0300
committerJeff Garzik <jgarzik@redhat.com>2008-04-21 03:03:43 +0400
commita6f97b293b08877d945ea3f28926aa446dd7ca2e (patch)
tree8e2c2e585ef056d36023dfb384b2806bebf312d3 /drivers/char/specialix.c
parente8f39549580e04e0b8edd11bae834ae7f8322fc8 (diff)
downloadlinux-a6f97b293b08877d945ea3f28926aa446dd7ca2e.tar.xz
drivers/char: minor irq handler cleanups
- remove always-false tests - don't overload 'irq' argument, pass data properly via dev_id - remove pointless casts from void* Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/char/specialix.c')
-rw-r--r--drivers/char/specialix.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index 5ff83df67b44..4b5b5b78acb4 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -443,8 +443,7 @@ void missed_irq (unsigned long data)
spin_unlock_irqrestore(&bp->lock, flags);
if (irq) {
printk (KERN_INFO "Missed interrupt... Calling int from timer. \n");
- sx_interrupt (((struct specialix_board *)data)->irq,
- (void*)data);
+ sx_interrupt (-1, bp);
}
mod_timer(&missed_irq_timer, jiffies + sx_poll);
}
@@ -862,23 +861,22 @@ static inline void sx_check_modem(struct specialix_board * bp)
/* The main interrupt processing routine */
-static irqreturn_t sx_interrupt(int irq, void *dev_id)
+static irqreturn_t sx_interrupt(int dummy, void *dev_id)
{
unsigned char status;
unsigned char ack;
- struct specialix_board *bp;
+ struct specialix_board *bp = dev_id;
unsigned long loop = 0;
int saved_reg;
unsigned long flags;
func_enter();
- bp = dev_id;
spin_lock_irqsave(&bp->lock, flags);
dprintk (SX_DEBUG_FLOW, "enter %s port %d room: %ld\n", __FUNCTION__, port_No(sx_get_port(bp, "INT")), SERIAL_XMIT_SIZE - sx_get_port(bp, "ITN")->xmit_cnt - 1);
if (!(bp->flags & SX_BOARD_ACTIVE)) {
- dprintk (SX_DEBUG_IRQ, "sx: False interrupt. irq %d.\n", irq);
+ dprintk (SX_DEBUG_IRQ, "sx: False interrupt. irq %d.\n", bp->irq);
spin_unlock_irqrestore(&bp->lock, flags);
func_exit();
return IRQ_NONE;