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authorJeff Garzik <jeff@garzik.org>2007-10-31 05:20:49 -0400
committerJeff Garzik <jgarzik@redhat.com>2008-04-20 19:03:43 -0400
commita6f97b293b08877d945ea3f28926aa446dd7ca2e (patch)
tree8e2c2e585ef056d36023dfb384b2806bebf312d3 /drivers/char/synclinkmp.c
parente8f39549580e04e0b8edd11bae834ae7f8322fc8 (diff)
downloadop-kernel-dev-a6f97b293b08877d945ea3f28926aa446dd7ca2e.zip
op-kernel-dev-a6f97b293b08877d945ea3f28926aa446dd7ca2e.tar.gz
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/synclinkmp.c')
-rw-r--r--drivers/char/synclinkmp.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index f3e7807..c96062e 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -2586,9 +2586,9 @@ void isr_io_pin( SLMP_INFO *info, u16 status )
* dev_id device ID supplied during interrupt registration
* regs interrupted processor context
*/
-static irqreturn_t synclinkmp_interrupt(int irq, void *dev_id)
+static irqreturn_t synclinkmp_interrupt(int dummy, void *dev_id)
{
- SLMP_INFO * info;
+ SLMP_INFO *info = dev_id;
unsigned char status, status0, status1=0;
unsigned char dmastatus, dmastatus0, dmastatus1=0;
unsigned char timerstatus0, timerstatus1=0;
@@ -2597,12 +2597,8 @@ static irqreturn_t synclinkmp_interrupt(int irq, void *dev_id)
unsigned short tmp;
if ( debug_level >= DEBUG_LEVEL_ISR )
- printk("%s(%d): synclinkmp_interrupt(%d)entry.\n",
- __FILE__,__LINE__,irq);
-
- info = (SLMP_INFO *)dev_id;
- if (!info)
- return IRQ_NONE;
+ printk(KERN_DEBUG "%s(%d): synclinkmp_interrupt(%d)entry.\n",
+ __FILE__, __LINE__, info->irq_level);
spin_lock(&info->lock);
@@ -2615,9 +2611,9 @@ static irqreturn_t synclinkmp_interrupt(int irq, void *dev_id)
timerstatus0 = read_reg(info, ISR2);
if ( debug_level >= DEBUG_LEVEL_ISR )
- printk("%s(%d):%s status0=%02x, dmastatus0=%02x, timerstatus0=%02x\n",
- __FILE__,__LINE__,info->device_name,
- status0,dmastatus0,timerstatus0);
+ printk(KERN_DEBUG "%s(%d):%s status0=%02x, dmastatus0=%02x, timerstatus0=%02x\n",
+ __FILE__, __LINE__, info->device_name,
+ status0, dmastatus0, timerstatus0);
if (info->port_count == 4) {
/* get status for SCA1 (ports 2-3) */
@@ -2702,8 +2698,8 @@ static irqreturn_t synclinkmp_interrupt(int irq, void *dev_id)
spin_unlock(&info->lock);
if ( debug_level >= DEBUG_LEVEL_ISR )
- printk("%s(%d):synclinkmp_interrupt(%d)exit.\n",
- __FILE__,__LINE__,irq);
+ printk(KERN_DEBUG "%s(%d):synclinkmp_interrupt(%d)exit.\n",
+ __FILE__, __LINE__, info->irq_level);
return IRQ_HANDLED;
}
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