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drivers/char: minor irq handler cleanups

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- 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>
This commit is contained in:
Jeff Garzik
2007-10-31 05:20:49 -04:00
committed by Jeff Garzik
parent e8f3954958
commit a6f97b293b
8 changed files with 42 additions and 52 deletions
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22
drivers/char/synclinkmp.c
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@ -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;
}