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Blackfin arch: Functional power management support

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Merge VR Regulator Hibernate wakeups into set_irq_wake for internal
interrupts.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Michael Hennerich
2008-08-05 17:38:41 +08:00
committed by Bryan Wu
parent 5400c5aa2d
commit 4a88d0ce49
4 changed files with 45 additions and 56 deletions
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46
arch/blackfin/mach-common/ints-priority.c
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@@ -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);