[MIPS] Yosemite: Fix warning.

arch/mips/pmc-sierra/yosemite/smp.c: In function 'titan_mailbox_irq':
arch/mips/pmc-sierra/yosemite/smp.c:112: warning: 'status' may be used uninitialized in this function

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

diff --git a/arch/mips/pmc-sierra/yosemite/smp.c b/arch/mips/pmc-sierra/yosemite/smp.c
index 4f830f99a8742a6029c30721f2dae3752bad10df..1c852d6a7654174c1462f60bc4575c8e92e362c0 100644 (file)
--- a/arch/mips/pmc-sierra/yosemite/smp.c
+++ b/arch/mips/pmc-sierra/yosemite/smp.c
@@ -111,18 +111,23 @@ void titan_mailbox_irq(void)
        int cpu = smp_processor_id();
        unsigned long status;
 
-       if (cpu == 0) {
+       switch (cpu) {
+       case 0:
                status = OCD_READ(RM9000x2_OCD_INTP0STATUS3);
                OCD_WRITE(RM9000x2_OCD_INTP0CLEAR3, status);
-       }
 
-       if (cpu == 1) {
+               if (status & 0x2)
+                       smp_call_function_interrupt();
+               break;
+
+       case 1:
                status = OCD_READ(RM9000x2_OCD_INTP1STATUS3);
                OCD_WRITE(RM9000x2_OCD_INTP1CLEAR3, status);
-       }
 
-       if (status & 0x2)
-               smp_call_function_interrupt();
+               if (status & 0x2)
+                       smp_call_function_interrupt();
+               break;
+       }
 }
 
 /*