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Diffstat (limited to 'arch/blackfin/mach-common/ints-priority.c')
-rw-r--r--arch/blackfin/mach-common/ints-priority.c72
1 files changed, 54 insertions, 18 deletions
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 9c7d65aee27..1aac5ebaace 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -396,24 +396,6 @@ void handle_sec_fault(unsigned int irq, struct irq_desc *desc)
raw_spin_unlock(&desc->lock);
}
-static int sec_suspend(void)
-{
- return 0;
-}
-
-static void sec_resume(void)
-{
- bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_RESET);
- udelay(100);
- bfin_write_SEC_GCTL(SEC_GCTL_EN);
- bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_EN | SEC_CCTL_NMI_EN);
-}
-
-static struct syscore_ops sec_pm_syscore_ops = {
- .suspend = sec_suspend,
- .resume = sec_resume,
-};
-
#endif
#ifdef CONFIG_SMP
@@ -1093,6 +1075,9 @@ static int bfin_gpio_irq_type(struct irq_data *d, unsigned int type)
}
#ifdef CONFIG_PM
+static struct bfin_pm_pint_save save_pint_reg[NR_PINT_SYS_IRQS];
+static u32 save_pint_sec_ctl[NR_PINT_SYS_IRQS];
+
static int bfin_gpio_set_wake(struct irq_data *d, unsigned int state)
{
u32 pint_irq;
@@ -1128,6 +1113,57 @@ static int bfin_gpio_set_wake(struct irq_data *d, unsigned int state)
return 0;
}
+
+void bfin_pint_suspend(void)
+{
+ u32 bank;
+
+ for (bank = 0; bank < NR_PINT_SYS_IRQS; bank++) {
+ save_pint_reg[bank].mask_set = pint[bank]->mask_set;
+ save_pint_reg[bank].assign = pint[bank]->assign;
+ save_pint_reg[bank].edge_set = pint[bank]->edge_set;
+ save_pint_reg[bank].invert_set = pint[bank]->invert_set;
+ }
+}
+
+void bfin_pint_resume(void)
+{
+ u32 bank;
+
+ for (bank = 0; bank < NR_PINT_SYS_IRQS; bank++) {
+ pint[bank]->mask_set = save_pint_reg[bank].mask_set;
+ pint[bank]->assign = save_pint_reg[bank].assign;
+ pint[bank]->edge_set = save_pint_reg[bank].edge_set;
+ pint[bank]->invert_set = save_pint_reg[bank].invert_set;
+ }
+}
+
+static int sec_suspend(void)
+{
+ u32 bank;
+
+ for (bank = 0; bank < NR_PINT_SYS_IRQS; bank++)
+ save_pint_sec_ctl[bank] = bfin_read_SEC_SCTL(bank + SIC_SYSIRQ(IRQ_PINT0));
+ return 0;
+}
+
+static void sec_resume(void)
+{
+ u32 bank;
+
+ bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_RESET);
+ udelay(100);
+ bfin_write_SEC_GCTL(SEC_GCTL_EN);
+ bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_EN | SEC_CCTL_NMI_EN);
+
+ for (bank = 0; bank < NR_PINT_SYS_IRQS; bank++)
+ bfin_write_SEC_SCTL(bank + SIC_SYSIRQ(IRQ_PINT0), save_pint_sec_ctl[bank]);
+}
+
+static struct syscore_ops sec_pm_syscore_ops = {
+ .suspend = sec_suspend,
+ .resume = sec_resume,
+};
#else
# define bfin_gpio_set_wake NULL
#endif