]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
[ARM] 3113/1: PXA: Allow machines to override (and also reuse) pxa pm functions
authorRichard Purdie <rpurdie@rpsys.net>
Sun, 6 Nov 2005 15:03:23 +0000 (15:03 +0000)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Sun, 6 Nov 2005 15:03:23 +0000 (15:03 +0000)
Patch from Richard Purdie

Update the PXA pm.c file to allow machines (such as the Sharp
Zaurus) to override the standard pm functions but reuse/wrap them
where needed.

The init call is made slightly earlier to give machine code an init
level to override them in removing any race.

Signed-off-by: Richard Purdie
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/mach-pxa/pm.c
include/asm-arm/arch-pxa/pm.h [new file with mode: 0644]

index ac4dd4336160bc2d202f7059e639d83836f52bda..f74b9af112dcbefdb7c05456465b6bb766ba31a7 100644 (file)
@@ -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;
@@ -191,6 +193,8 @@ 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 +203,25 @@ 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 +238,4 @@ static int __init pxa_pm_init(void)
        return 0;
 }
 
-late_initcall(pxa_pm_init);
+device_initcall(pxa_pm_init);
diff --git a/include/asm-arm/arch-pxa/pm.h b/include/asm-arm/arch-pxa/pm.h
new file mode 100644 (file)
index 0000000..7a8a1cd
--- /dev/null
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2005 Richard Purdie
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+extern int pxa_pm_prepare(suspend_state_t state);
+extern int pxa_pm_enter(suspend_state_t state);
+extern int pxa_pm_finish(suspend_state_t state);