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-rw-r--r--arch/blackfin/kernel/bfin_gpio.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index bcf8cf6fe41..16d7ebfa0db 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -118,6 +118,9 @@ static struct str_ident {
#if defined(CONFIG_PM)
static struct gpio_port_s gpio_bank_saved[GPIO_BANK_NUM];
+# ifdef BF538_FAMILY
+static unsigned short port_fer_saved[3];
+# endif
#endif
static void gpio_error(unsigned gpio)
@@ -604,6 +607,11 @@ void bfin_gpio_pm_hibernate_suspend(void)
{
int i, bank;
+#ifdef BF538_FAMILY
+ for (i = 0; i < ARRAY_SIZE(port_fer_saved); ++i)
+ port_fer_saved[i] = *port_fer[i];
+#endif
+
for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
bank = gpio_bank(i);
@@ -625,6 +633,10 @@ void bfin_gpio_pm_hibernate_suspend(void)
gpio_bank_saved[bank].maska = gpio_array[bank]->maska;
}
+#ifdef BFIN_SPECIAL_GPIO_BANKS
+ bfin_special_gpio_pm_hibernate_suspend();
+#endif
+
AWA_DUMMY_READ(maska);
}
@@ -632,6 +644,11 @@ void bfin_gpio_pm_hibernate_restore(void)
{
int i, bank;
+#ifdef BF538_FAMILY
+ for (i = 0; i < ARRAY_SIZE(port_fer_saved); ++i)
+ *port_fer[i] = port_fer_saved[i];
+#endif
+
for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
bank = gpio_bank(i);
@@ -653,6 +670,11 @@ void bfin_gpio_pm_hibernate_restore(void)
gpio_array[bank]->both = gpio_bank_saved[bank].both;
gpio_array[bank]->maska = gpio_bank_saved[bank].maska;
}
+
+#ifdef BFIN_SPECIAL_GPIO_BANKS
+ bfin_special_gpio_pm_hibernate_restore();
+#endif
+
AWA_DUMMY_READ(maska);
}