diff options
| -rw-r--r-- | arch/arm/mach-pxa/generic.c | 62 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/gpio.c | 57 |
2 files changed, 57 insertions, 62 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c index 80721c610d41..331f29b2d0cd 100644 --- a/arch/arm/mach-pxa/generic.c +++ b/arch/arm/mach-pxa/generic.c @@ -19,14 +19,8 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/delay.h> -#include <linux/ioport.h> -#include <linux/pm.h> -#include <linux/string.h> -#include <linux/sysdev.h> #include <asm/hardware.h> -#include <asm/irq.h> #include <asm/system.h> #include <asm/pgtable.h> #include <asm/mach/map.h> @@ -134,59 +128,3 @@ void __init pxa_map_io(void) iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc)); get_clk_frequency_khz(1); } - -#ifdef CONFIG_PM - -static unsigned long saved_gplr[4]; -static unsigned long saved_gpdr[4]; -static unsigned long saved_grer[4]; -static unsigned long saved_gfer[4]; - -static int pxa_gpio_suspend(struct sys_device *dev, pm_message_t state) -{ - int i, gpio; - - for (gpio = 0, i = 0; gpio < pxa_last_gpio; gpio += 32, i++) { - saved_gplr[i] = GPLR(gpio); - saved_gpdr[i] = GPDR(gpio); - saved_grer[i] = GRER(gpio); - saved_gfer[i] = GFER(gpio); - - /* Clear GPIO transition detect bits */ - GEDR(gpio) = GEDR(gpio); - } - return 0; -} - -static int pxa_gpio_resume(struct sys_device *dev) -{ - int i, gpio; - - for (gpio = 0, i = 0; gpio < pxa_last_gpio; gpio += 32, i++) { - /* restore level with set/clear */ - GPSR(gpio) = saved_gplr[i]; - GPCR(gpio) = ~saved_gplr[i]; - - GRER(gpio) = saved_grer[i]; - GFER(gpio) = saved_gfer[i]; - GPDR(gpio) = saved_gpdr[i]; - } - return 0; -} -#else -#define pxa_gpio_suspend NULL -#define pxa_gpio_resume NULL -#endif - -struct sysdev_class pxa_gpio_sysclass = { - .name = "gpio", - .suspend = pxa_gpio_suspend, - .resume = pxa_gpio_resume, -}; - -static int __init pxa_gpio_init(void) -{ - return sysdev_class_register(&pxa_gpio_sysclass); -} - -core_initcall(pxa_gpio_init); diff --git a/arch/arm/mach-pxa/gpio.c b/arch/arm/mach-pxa/gpio.c index bf4c08408f2e..a98b2da4c962 100644 --- a/arch/arm/mach-pxa/gpio.c +++ b/arch/arm/mach-pxa/gpio.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/irq.h> +#include <linux/sysdev.h> #include <asm/gpio.h> #include <asm/hardware.h> @@ -338,3 +339,59 @@ void __init pxa_init_gpio(int gpio_nr, set_wake_t fn) gpiochip_add(&pxa_gpio_chip[i].chip); } } + +#ifdef CONFIG_PM + +static unsigned long saved_gplr[4]; +static unsigned long saved_gpdr[4]; +static unsigned long saved_grer[4]; +static unsigned long saved_gfer[4]; + +static int pxa_gpio_suspend(struct sys_device *dev, pm_message_t state) +{ + int i, gpio; + + for (gpio = 0, i = 0; gpio < pxa_last_gpio; gpio += 32, i++) { + saved_gplr[i] = GPLR(gpio); + saved_gpdr[i] = GPDR(gpio); + saved_grer[i] = GRER(gpio); + saved_gfer[i] = GFER(gpio); + + /* Clear GPIO transition detect bits */ + GEDR(gpio) = GEDR(gpio); + } + return 0; +} + +static int pxa_gpio_resume(struct sys_device *dev) +{ + int i, gpio; + + for (gpio = 0, i = 0; gpio < pxa_last_gpio; gpio += 32, i++) { + /* restore level with set/clear */ + GPSR(gpio) = saved_gplr[i]; + GPCR(gpio) = ~saved_gplr[i]; + + GRER(gpio) = saved_grer[i]; + GFER(gpio) = saved_gfer[i]; + GPDR(gpio) = saved_gpdr[i]; + } + return 0; +} +#else +#define pxa_gpio_suspend NULL +#define pxa_gpio_resume NULL +#endif + +struct sysdev_class pxa_gpio_sysclass = { + .name = "gpio", + .suspend = pxa_gpio_suspend, + .resume = pxa_gpio_resume, +}; + +static int __init pxa_gpio_init(void) +{ + return sysdev_class_register(&pxa_gpio_sysclass); +} + +core_initcall(pxa_gpio_init); |