Blackfin arch: Functional power management support

[mirror_ubuntu-artful-kernel.git] / arch / blackfin / mach-common / ints-priority.c

diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 64d746114e4b2897ee28cc6c4a4d0091d0b5a6b3..e713b9db867d91849602b7ad12f9793995e93824 100644 (file)
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -71,6 +71,7 @@ atomic_t num_spurious;
 
 #ifdef CONFIG_PM
 unsigned long bfin_sic_iwr[3]; /* Up to 3 SIC_IWRx registers */
+unsigned vr_wakeup;
 #endif
 
 struct ivgx {
@@ -184,17 +185,56 @@ static void bfin_internal_unmask_irq(unsigned int irq)
 #ifdef CONFIG_PM
 int bfin_internal_set_wake(unsigned int irq, unsigned int state)
 {
-       unsigned bank, bit;
+       unsigned bank, bit, wakeup = 0;
        unsigned long flags;
        bank = SIC_SYSIRQ(irq) / 32;
        bit = SIC_SYSIRQ(irq) % 32;
 
+       switch (irq) {
+#ifdef IRQ_RTC
+       case IRQ_RTC:
+       wakeup |= WAKE;
+       break;
+#endif
+#ifdef IRQ_CAN0_RX
+       case IRQ_CAN0_RX:
+       wakeup |= CANWE;
+       break;
+#endif
+#ifdef IRQ_CAN1_RX
+       case IRQ_CAN1_RX:
+       wakeup |= CANWE;
+       break;
+#endif
+#ifdef IRQ_USB_INT0
+       case IRQ_USB_INT0:
+       wakeup |= USBWE;
+       break;
+#endif
+#ifdef IRQ_KEY
+       case IRQ_KEY:
+       wakeup |= KPADWE;
+       break;
+#endif
+#ifdef IRQ_CNT
+       case IRQ_CNT:
+       wakeup |= ROTWE;
+       break;
+#endif
+       default:
+       break;
+       }
+
        local_irq_save(flags);
 
-       if (state)
+       if (state) {
                bfin_sic_iwr[bank] |= (1 << bit);
-       else
+               vr_wakeup  |= wakeup;
+
+       } else {
                bfin_sic_iwr[bank] &= ~(1 << bit);
+               vr_wakeup  &= ~wakeup;
+       }
 
        local_irq_restore(flags);