[ARM] pxa: move GPIO sysdev outside of generic.c into gpio.c

Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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);

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);