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Diffstat (limited to 'arch/blackfin/kernel/bfin_gpio.c')
-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 bcf8cf6fe412..16d7ebfa0db1 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -118,6 +118,9 @@ static struct str_ident {
118 118
119#if defined(CONFIG_PM) 119#if defined(CONFIG_PM)
120static struct gpio_port_s gpio_bank_saved[GPIO_BANK_NUM]; 120static struct gpio_port_s gpio_bank_saved[GPIO_BANK_NUM];
121# ifdef BF538_FAMILY
122static unsigned short port_fer_saved[3];
123# endif
121#endif 124#endif
122 125
123static void gpio_error(unsigned gpio) 126static void gpio_error(unsigned gpio)
@@ -604,6 +607,11 @@ void bfin_gpio_pm_hibernate_suspend(void)
604{ 607{
605 int i, bank; 608 int i, bank;
606 609
610#ifdef BF538_FAMILY
611 for (i = 0; i < ARRAY_SIZE(port_fer_saved); ++i)
612 port_fer_saved[i] = *port_fer[i];
613#endif
614
607 for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) { 615 for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
608 bank = gpio_bank(i); 616 bank = gpio_bank(i);
609 617
@@ -625,6 +633,10 @@ void bfin_gpio_pm_hibernate_suspend(void)
625 gpio_bank_saved[bank].maska = gpio_array[bank]->maska; 633 gpio_bank_saved[bank].maska = gpio_array[bank]->maska;
626 } 634 }
627 635
636#ifdef BFIN_SPECIAL_GPIO_BANKS
637 bfin_special_gpio_pm_hibernate_suspend();
638#endif
639
628 AWA_DUMMY_READ(maska); 640 AWA_DUMMY_READ(maska);
629} 641}
630 642
@@ -632,6 +644,11 @@ void bfin_gpio_pm_hibernate_restore(void)
632{ 644{
633 int i, bank; 645 int i, bank;
634 646
647#ifdef BF538_FAMILY
648 for (i = 0; i < ARRAY_SIZE(port_fer_saved); ++i)
649 *port_fer[i] = port_fer_saved[i];
650#endif
651
635 for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) { 652 for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
636 bank = gpio_bank(i); 653 bank = gpio_bank(i);
637 654
@@ -653,6 +670,11 @@ void bfin_gpio_pm_hibernate_restore(void)
653 gpio_array[bank]->both = gpio_bank_saved[bank].both; 670 gpio_array[bank]->both = gpio_bank_saved[bank].both;
654 gpio_array[bank]->maska = gpio_bank_saved[bank].maska; 671 gpio_array[bank]->maska = gpio_bank_saved[bank].maska;
655 } 672 }
673
674#ifdef BFIN_SPECIAL_GPIO_BANKS
675 bfin_special_gpio_pm_hibernate_restore();
676#endif
677
656 AWA_DUMMY_READ(maska); 678 AWA_DUMMY_READ(maska);
657} 679}
658 680