1 files changed, 22 insertions, 27 deletions

diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 96cf274ec7cb..46a951c3e5a0 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -16,6 +16,7 @@
 #include <linux/init.h>
 #include <linux/suspend.h>
 #include <linux/platform_device.h>
+#include <linux/sysdev.h>
 
 #include <asm/hardware.h>
 #include <asm/irq.h>
@@ -171,11 +172,6 @@ static struct clk pxa27x_clks[] = {
 #define SAVE(x)         sleep_save[SLEEP_SAVE_##x] = x
 #define RESTORE(x)      x = sleep_save[SLEEP_SAVE_##x]
 
-#define RESTORE_GPLEVEL(n) do { \
-        GPSR##n = sleep_save[SLEEP_SAVE_GPLR##n]; \
-        GPCR##n = ~sleep_save[SLEEP_SAVE_GPLR##n]; \
-} while (0)
-
 /*
  * List of global PXA peripheral registers to preserve.
  * More ones like CP and general purpose register values are preserved
@@ -183,10 +179,6 @@ static struct clk pxa27x_clks[] = {
  */
 enum {  SLEEP_SAVE_START = 0,
 
-        SLEEP_SAVE_GPLR0, SLEEP_SAVE_GPLR1, SLEEP_SAVE_GPLR2, SLEEP_SAVE_GPLR3,
-        SLEEP_SAVE_GPDR0, SLEEP_SAVE_GPDR1, SLEEP_SAVE_GPDR2, SLEEP_SAVE_GPDR3,
-        SLEEP_SAVE_GRER0, SLEEP_SAVE_GRER1, SLEEP_SAVE_GRER2, SLEEP_SAVE_GRER3,
-        SLEEP_SAVE_GFER0, SLEEP_SAVE_GFER1, SLEEP_SAVE_GFER2, SLEEP_SAVE_GFER3,
         SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2, SLEEP_SAVE_PGSR3,
 
         SLEEP_SAVE_GAFR0_L, SLEEP_SAVE_GAFR0_U,
@@ -196,7 +188,6 @@ enum {	SLEEP_SAVE_START = 0,
 
         SLEEP_SAVE_PSTR,
 
-        SLEEP_SAVE_ICMR,
         SLEEP_SAVE_CKEN,
 
         SLEEP_SAVE_MDREFR,
@@ -208,10 +199,6 @@ enum {	SLEEP_SAVE_START = 0,
 
 void pxa27x_cpu_pm_save(unsigned long *sleep_save)
 {
-        SAVE(GPLR0); SAVE(GPLR1); SAVE(GPLR2); SAVE(GPLR3);
-        SAVE(GPDR0); SAVE(GPDR1); SAVE(GPDR2); SAVE(GPDR3);
-        SAVE(GRER0); SAVE(GRER1); SAVE(GRER2); SAVE(GRER3);
-        SAVE(GFER0); SAVE(GFER1); SAVE(GFER2); SAVE(GFER3);
         SAVE(PGSR0); SAVE(PGSR1); SAVE(PGSR2); SAVE(PGSR3);
 
         SAVE(GAFR0_L); SAVE(GAFR0_U);
@@ -223,12 +210,8 @@ void pxa27x_cpu_pm_save(unsigned long *sleep_save)
         SAVE(PWER); SAVE(PCFR); SAVE(PRER);
         SAVE(PFER); SAVE(PKWR);
 
-        SAVE(ICMR); ICMR = 0;
         SAVE(CKEN);
         SAVE(PSTR);
-
-        /* Clear GPIO transition detect bits */
-        GEDR0 = GEDR0; GEDR1 = GEDR1; GEDR2 = GEDR2; GEDR3 = GEDR3;
 }
 
 void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
@@ -237,15 +220,10 @@ void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
         PSPR = 0;
 
         /* restore registers */
-        RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1);
-        RESTORE_GPLEVEL(2); RESTORE_GPLEVEL(3);
-        RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2); RESTORE(GPDR3);
         RESTORE(GAFR0_L); RESTORE(GAFR0_U);
         RESTORE(GAFR1_L); RESTORE(GAFR1_U);
         RESTORE(GAFR2_L); RESTORE(GAFR2_U);
         RESTORE(GAFR3_L); RESTORE(GAFR3_U);
-        RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2); RESTORE(GRER3);
-        RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2); RESTORE(GFER3);
         RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2); RESTORE(PGSR3);
 
         RESTORE(MDREFR);
@@ -256,9 +234,6 @@ void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
 
         RESTORE(CKEN);
 
-        ICLR = 0;
-        ICCR = 1;
-        RESTORE(ICMR);
         RESTORE(PSTR);
 }
 
@@ -409,9 +384,22 @@ static struct platform_device *devices[] __initdata = {
         &pxa27x_device_ssp3,
 };
 
+static struct sys_device pxa27x_sysdev[] = {
+        {
+                .id     = 0,
+                .cls    = &pxa_irq_sysclass,
+        }, {
+                .id     = 1,
+                .cls    = &pxa_irq_sysclass,
+        }, {
+                .cls    = &pxa_gpio_sysclass,
+        },
+};
+
 static int __init pxa27x_init(void)
 {
-        int ret = 0;
+        int i, ret = 0;
+
         if (cpu_is_pxa27x()) {
                 clks_register(pxa27x_clks, ARRAY_SIZE(pxa27x_clks));
 
@@ -420,8 +408,15 @@ static int __init pxa27x_init(void)
 
                 pxa27x_init_pm();
 
+                for (i = 0; i < ARRAY_SIZE(pxa27x_sysdev); i++) {
+                        ret = sysdev_register(&pxa27x_sysdev[i]);
+                        if (ret)
+                                pr_err("failed to register sysdev[%d]\n", i);
+                }
+
                 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
         }
+
         return ret;
 }