powerpc: partly merge iseries do_IRQ
Hide some of the iseries details in iSeries_get_irq.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 5a71ed9..9540c45 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -78,10 +78,6 @@
static int ppc_spurious_interrupts;
-#if defined(CONFIG_PPC_ISERIES) && defined(CONFIG_SMP)
-extern void iSeries_smp_message_recv(struct pt_regs *);
-#endif
-
#ifdef CONFIG_PPC32
#define NR_MASK_WORDS ((NR_IRQS + 31) / 32)
@@ -195,49 +191,6 @@
}
#endif
-#ifdef CONFIG_PPC_ISERIES
-void do_IRQ(struct pt_regs *regs)
-{
- struct paca_struct *lpaca;
-
- irq_enter();
-
-#ifdef CONFIG_DEBUG_STACKOVERFLOW
- /* Debugging check for stack overflow: is there less than 2KB free? */
- {
- long sp;
-
- sp = __get_SP() & (THREAD_SIZE-1);
-
- if (unlikely(sp < (sizeof(struct thread_info) + 2048))) {
- printk("do_IRQ: stack overflow: %ld\n",
- sp - sizeof(struct thread_info));
- dump_stack();
- }
- }
-#endif
-
- lpaca = get_paca();
-#ifdef CONFIG_SMP
- if (lpaca->lppaca.int_dword.fields.ipi_cnt) {
- lpaca->lppaca.int_dword.fields.ipi_cnt = 0;
- iSeries_smp_message_recv(regs);
- }
-#endif /* CONFIG_SMP */
- if (hvlpevent_is_pending())
- process_hvlpevents(regs);
-
- irq_exit();
-
- if (lpaca->lppaca.int_dword.fields.decr_int) {
- lpaca->lppaca.int_dword.fields.decr_int = 0;
- /* Signal a fake decrementer interrupt */
- timer_interrupt(regs);
- }
-}
-
-#else /* CONFIG_PPC_ISERIES */
-
void do_IRQ(struct pt_regs *regs)
{
int irq;
@@ -286,16 +239,24 @@
} else
#endif
__do_IRQ(irq, regs);
- } else
-#ifdef CONFIG_PPC32
- if (irq != -2)
-#endif
- /* That's not SMP safe ... but who cares ? */
- ppc_spurious_interrupts++;
- irq_exit();
-}
+ } else if (irq != -2)
+ /* That's not SMP safe ... but who cares ? */
+ ppc_spurious_interrupts++;
-#endif /* CONFIG_PPC_ISERIES */
+ irq_exit();
+
+#ifdef CONFIG_PPC_ISERIES
+ {
+ struct paca_struct *lpaca = get_paca();
+
+ if (lpaca->lppaca.int_dword.fields.decr_int) {
+ lpaca->lppaca.int_dword.fields.decr_int = 0;
+ /* Signal a fake decrementer interrupt */
+ timer_interrupt(regs);
+ }
+ }
+#endif
+}
void __init init_IRQ(void)
{
