[Blackfin] arch: hook up set_irq_wake in Blackfin's irq code

 - Add support for irq_wake on system and gpio interrupts
 - Remove outdated kernel options
 - Add option to select default PM mode
 - Fix various places where SIC_IWRx was only handled partially

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

1 files changed, 8 insertions, 12 deletions

diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index 6bbe0a2fccb8..08788f7bbfba 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -186,7 +186,7 @@ static struct str_ident {
         char name[RESOURCE_LABEL_SIZE];
 } str_ident[MAX_RESOURCES];
 
-#ifdef CONFIG_PM
+#if defined(CONFIG_PM) && !defined(CONFIG_BF54x)
 static unsigned short wakeup_map[gpio_bank(MAX_BLACKFIN_GPIOS)];
 static unsigned char wakeup_flags_map[MAX_BLACKFIN_GPIOS];
 static struct gpio_port_s gpio_bank_saved[gpio_bank(MAX_BLACKFIN_GPIOS)];
@@ -696,9 +696,8 @@ static int bfin_gpio_wakeup_type(unsigned gpio, unsigned char type)
         return 0;
 }
 
-u32 gpio_pm_setup(void)
+u32 bfin_pm_setup(void)
 {
-        u32 sic_iwr = 0;
         u16 bank, mask, i, gpio;
 
         for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
@@ -723,7 +722,8 @@ u32 gpio_pm_setup(void)
                         gpio = i;
 
                         while (mask) {
-                                if (mask & 1) {
+                                if ((mask & 1) && (wakeup_flags_map[gpio] !=
+                                        PM_WAKE_IGNORE)) {
                                         reserved_gpio_map[gpio_bank(gpio)] |=
                                                         gpio_bit(gpio);
                                         bfin_gpio_wakeup_type(gpio,
@@ -734,21 +734,17 @@ u32 gpio_pm_setup(void)
                                 mask >>= 1;
                         }
 
-                        sic_iwr |= 1 <<
-                                (sic_iwr_irqs[bank] - (IRQ_CORETMR + 1));
+                        bfin_internal_set_wake(sic_iwr_irqs[bank], 1);
                         gpio_bankb[bank]->maskb_set = wakeup_map[gpio_bank(i)];
                 }
         }
 
         AWA_DUMMY_READ(maskb_set);
 
-        if (sic_iwr)
-                return sic_iwr;
-        else
-                return IWR_ENABLE_ALL;
+        return 0;
 }
 
-void gpio_pm_restore(void)
+void bfin_pm_restore(void)
 {
         u16 bank, mask, i;
 
@@ -768,7 +764,7 @@ void gpio_pm_restore(void)
 
                         reserved_gpio_map[bank] =
                                         gpio_bank_saved[bank].reserved;
-
+                        bfin_internal_set_wake(sic_iwr_irqs[bank], 0);
                 }
 
                 gpio_bankb[bank]->maskb = gpio_bank_saved[bank].maskb;