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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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21
drivers/char/synclink.c
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@@ -1695,20 +1695,16 @@ static void mgsl_isr_transmit_dma( struct mgsl_struct *info )
*
* Return Value: None
*/
static irqreturn_t mgsl_interrupt(int irq, void *dev_id)
static irqreturn_t mgsl_interrupt(int dummy, void *dev_id)
{
struct mgsl_struct * info;
struct mgsl_struct *info = dev_id;
u16 UscVector;
u16 DmaVector;
if ( debug_level >= DEBUG_LEVEL_ISR )
printk("%s(%d):mgsl_interrupt(%d)entry.\n",
__FILE__,__LINE__,irq);
printk(KERN_DEBUG "%s(%d):mgsl_interrupt(%d)entry.\n",
__FILE__, __LINE__, info->irq_level);
info = (struct mgsl_struct *)dev_id;
if (!info)
return IRQ_NONE;
spin_lock(&info->irq_spinlock);
for(;;) {
@@ -1732,8 +1728,8 @@ static irqreturn_t mgsl_interrupt(int irq, void *dev_id)
mgsl_isr_receive_dma(info);
if ( info->isr_overflow ) {
printk(KERN_ERR"%s(%d):%s isr overflow irq=%d\n",
__FILE__,__LINE__,info->device_name, irq);
printk(KERN_ERR "%s(%d):%s isr overflow irq=%d\n",
__FILE__, __LINE__, info->device_name, info->irq_level);
usc_DisableMasterIrqBit(info);
usc_DisableDmaInterrupts(info,DICR_MASTER);
break;
@@ -1755,8 +1751,9 @@ static irqreturn_t mgsl_interrupt(int irq, void *dev_id)
spin_unlock(&info->irq_spinlock);
if ( debug_level >= DEBUG_LEVEL_ISR )
printk("%s(%d):mgsl_interrupt(%d)exit.\n",
__FILE__,__LINE__,irq);
printk(KERN_DEBUG "%s(%d):mgsl_interrupt(%d)exit.\n",
__FILE__, __LINE__, info->irq_level);
return IRQ_HANDLED;
} /* end of mgsl_interrupt() */