[MIPS] Rewrite spurious_interrupt from assembler to C.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

2 files changed, 5 insertions, 26 deletions

diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index 83c87fe4ee4f..371571f4f280 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -119,29 +119,3 @@ syscall_exit_work:
         li      a1, 1
         jal     do_syscall_trace
         b       resume_userspace
-
-/*
- * Common spurious interrupt handler.
- */
-LEAF(spurious_interrupt)
-        /*
-         * Someone tried to fool us by sending an interrupt but we
-         * couldn't find a cause for it.
-         */
-        PTR_LA  t1, irq_err_count
-#ifdef CONFIG_SMP
-1:      ll      t0, (t1)
-        addiu   t0, 1
-        sc      t0, (t1)
-#if R10000_LLSC_WAR
-        beqzl   t0, 1b
-#else
-        beqz    t0, 1b
-#endif
-#else
-        lw      t0, (t1)
-        addiu   t0, 1
-        sw      t0, (t1)
-#endif
-        j       ret_from_irq
-        END(spurious_interrupt)
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index 3dd76b3d2967..e0efc4f2f93e 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -101,6 +101,11 @@ skip:
         return 0;
 }
 
+asmlinkage void spurious_interrupt(struct pt_regs *regs)
+{
+        atomic_inc(&irq_err_count);
+}
+
 #ifdef CONFIG_KGDB
 extern void breakpoint(void);
 extern void set_debug_traps(void);