[IA64] minor irq handler cleanups

- remove unused 'irq' argument from pfm_do_interrupt_handler()

- remove pointless cast to void*

- add KERN_xxx prefix to printk()

- remove braces around singleton C statement

- in tioce_provider.c, start tioce_dma_consistent() and
  tioce_error_intr_handler() function declarations in column 0

This change's main purpose is to prepare for the patchset in
jgarzik/misc-2.6.git#irq-remove, that explores removal of the
never-used 'irq' argument in each interrupt handler.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

arch/ia64/kernel/perfmon.c

@@ -5511,7 +5511,7 @@ stop_monitoring:
 }
 
 static int
-pfm_do_interrupt_handler(int irq, void *arg, struct pt_regs *regs)
+pfm_do_interrupt_handler(void *arg, struct pt_regs *regs)
 {
 	struct task_struct *task;
 	pfm_context_t *ctx;
@@ -5591,7 +5591,7 @@ pfm_interrupt_handler(int irq, void *arg)
 
 		start_cycles = ia64_get_itc();
 
-		ret = pfm_do_interrupt_handler(irq, arg, regs);
+		ret = pfm_do_interrupt_handler(arg, regs);
 
 		total_cycles = ia64_get_itc();