[ARM] 3201/1: PXA27x: Prevent hangup during resume due to inadvertedly enabling MBREQ...

[karo-tx-linux.git] / arch / arm / mach-pxa / pm.c

diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c
index ac4dd4336160bc2d202f7059e639d83836f52bda..852ea72d8c80bfbc87a2b9741a1a53c371f60a04 100644 (file)
--- a/arch/arm/mach-pxa/pm.c
+++ b/arch/arm/mach-pxa/pm.c
@@ -12,6 +12,7 @@
  */
 #include <linux/config.h>
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/suspend.h>
 #include <linux/errno.h>
 #include <linux/time.h>
@@ -19,6 +20,7 @@
 #include <asm/hardware.h>
 #include <asm/memory.h>
 #include <asm/system.h>
+#include <asm/arch/pm.h>
 #include <asm/arch/pxa-regs.h>
 #include <asm/arch/lubbock.h>
 #include <asm/mach/time.h>
@@ -72,7 +74,7 @@ enum {        SLEEP_SAVE_START = 0,
 };
 
 
-static int pxa_pm_enter(suspend_state_t state)
+int pxa_pm_enter(suspend_state_t state)
 {
        unsigned long sleep_save[SLEEP_SAVE_SIZE];
        unsigned long checksum = 0;
@@ -153,19 +155,20 @@ static int pxa_pm_enter(suspend_state_t state)
        PSPR = 0;
 
        /* restore registers */
+       RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
+       RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
        RESTORE(GAFR0_L); RESTORE(GAFR0_U);
        RESTORE(GAFR1_L); RESTORE(GAFR1_U);
        RESTORE(GAFR2_L); RESTORE(GAFR2_U);
-       RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
-       RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
        RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2);
        RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2);
        RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2);
 
 #ifdef CONFIG_PXA27x
        RESTORE(MDREFR);
-       RESTORE(GAFR3_L); RESTORE(GAFR3_U); RESTORE_GPLEVEL(3);
-       RESTORE(GPDR3); RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
+       RESTORE_GPLEVEL(3); RESTORE(GPDR3);
+       RESTORE(GAFR3_L); RESTORE(GAFR3_U);
+       RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
        RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER);
        RESTORE(PFER); RESTORE(PKWR);
 #endif
@@ -191,6 +194,8 @@ static int pxa_pm_enter(suspend_state_t state)
        return 0;
 }
 
+EXPORT_SYMBOL_GPL(pxa_pm_enter);
+
 unsigned long sleep_phys_sp(void *sp)
 {
        return virt_to_phys(sp);
@@ -199,21 +204,25 @@ unsigned long sleep_phys_sp(void *sp)
 /*
  * Called after processes are frozen, but before we shut down devices.
  */
-static int pxa_pm_prepare(suspend_state_t state)
+int pxa_pm_prepare(suspend_state_t state)
 {
        extern int pxa_cpu_pm_prepare(suspend_state_t state);
 
        return pxa_cpu_pm_prepare(state);
 }
 
+EXPORT_SYMBOL_GPL(pxa_pm_prepare);
+
 /*
  * Called after devices are re-setup, but before processes are thawed.
  */
-static int pxa_pm_finish(suspend_state_t state)
+int pxa_pm_finish(suspend_state_t state)
 {
        return 0;
 }
 
+EXPORT_SYMBOL_GPL(pxa_pm_finish);
+
 /*
  * Set to PM_DISK_FIRMWARE so we can quickly veto suspend-to-disk.
  */
@@ -230,4 +239,4 @@ static int __init pxa_pm_init(void)
        return 0;
 }
 
-late_initcall(pxa_pm_init);
+device_initcall(pxa_pm_init);