Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm

[~andy/linux] / arch / powerpc / sysdev / mpic.c

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 0e166ed4cd16b7452f2656501de27c4f085e02da..8209744b28290b8a2466cf2a8600f0f34d920708 100644 (file)
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -886,25 +886,25 @@ int mpic_set_irq_type(struct irq_data *d, unsigned int flow_type)
 
        /* Default: read HW settings */
        if (flow_type == IRQ_TYPE_DEFAULT) {
-               switch(vold & (MPIC_INFO(VECPRI_POLARITY_MASK) |
-                              MPIC_INFO(VECPRI_SENSE_MASK))) {
-                       case MPIC_INFO(VECPRI_SENSE_EDGE) |
-                            MPIC_INFO(VECPRI_POLARITY_POSITIVE):
-                               flow_type = IRQ_TYPE_EDGE_RISING;
-                               break;
-                       case MPIC_INFO(VECPRI_SENSE_EDGE) |
-                            MPIC_INFO(VECPRI_POLARITY_NEGATIVE):
-                               flow_type = IRQ_TYPE_EDGE_FALLING;
-                               break;
-                       case MPIC_INFO(VECPRI_SENSE_LEVEL) |
-                            MPIC_INFO(VECPRI_POLARITY_POSITIVE):
-                               flow_type = IRQ_TYPE_LEVEL_HIGH;
-                               break;
-                       case MPIC_INFO(VECPRI_SENSE_LEVEL) |
-                            MPIC_INFO(VECPRI_POLARITY_NEGATIVE):
-                               flow_type = IRQ_TYPE_LEVEL_LOW;
-                               break;
-               }
+               int vold_ps;
+
+               vold_ps = vold & (MPIC_INFO(VECPRI_POLARITY_MASK) |
+                                 MPIC_INFO(VECPRI_SENSE_MASK));
+
+               if (vold_ps == (MPIC_INFO(VECPRI_SENSE_EDGE) |
+                               MPIC_INFO(VECPRI_POLARITY_POSITIVE)))
+                       flow_type = IRQ_TYPE_EDGE_RISING;
+               else if (vold_ps == (MPIC_INFO(VECPRI_SENSE_EDGE) |
+                                    MPIC_INFO(VECPRI_POLARITY_NEGATIVE)))
+                       flow_type = IRQ_TYPE_EDGE_FALLING;
+               else if (vold_ps == (MPIC_INFO(VECPRI_SENSE_LEVEL) |
+                                    MPIC_INFO(VECPRI_POLARITY_POSITIVE)))
+                       flow_type = IRQ_TYPE_LEVEL_HIGH;
+               else if (vold_ps == (MPIC_INFO(VECPRI_SENSE_LEVEL) |
+                                    MPIC_INFO(VECPRI_POLARITY_NEGATIVE)))
+                       flow_type = IRQ_TYPE_LEVEL_LOW;
+               else
+                       WARN_ONCE(1, "mpic: unknown IRQ type %d\n", vold);
        }
 
        /* Apply to irq desc */