ARM: pm: samsung: move cpu_suspend into C code

Move the call to cpu_suspend into C code, and noticing that all the
s3c_cpu_save implementations are now identical, we can move this
into the common samsung code.

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

11 files changed, 10 insertions, 83 deletions

diff --git a/arch/arm/mach-exynos4/pm.c b/arch/arm/mach-exynos4/pm.c
index 8755ca8dd48d..5c01c6076645 100644
--- a/arch/arm/mach-exynos4/pm.c
+++ b/arch/arm/mach-exynos4/pm.c
@@ -280,7 +280,7 @@ static struct sleep_save exynos4_l2cc_save[] = {
         SAVE_ITEM(S5P_VA_L2CC + L2X0_AUX_CTRL),
 };
 
-void exynos4_cpu_suspend(void)
+void exynos4_cpu_suspend(unsigned long arg)
 {
         unsigned long tmp;
         unsigned long mask = 0xFFFFFFFF;
diff --git a/arch/arm/mach-exynos4/sleep.S b/arch/arm/mach-exynos4/sleep.S
index b56a4914985c..0984078f1eba 100644
--- a/arch/arm/mach-exynos4/sleep.S
+++ b/arch/arm/mach-exynos4/sleep.S
@@ -33,24 +33,6 @@
         .text
 
         /*
-         * s3c_cpu_save
-         *
-         * entry:
-         *      r1 = v:p offset
-         */
-
-ENTRY(s3c_cpu_save)
-        adr     r3, BSYM(exynos4_finish_suspend)
-        b       cpu_suspend
-
-exynos4_finish_suspend:
-        ldr     r0, =pm_cpu_sleep
-        ldr     r0, [ r0 ]
-        mov     pc, r0
-
-        .ltorg
-
-        /*
          * sleep magic, to allow the bootloader to check for an valid
          * image to resume to. Must be the first word before the
          * s3c_cpu_resume entry.
diff --git a/arch/arm/mach-s3c2412/pm.c b/arch/arm/mach-s3c2412/pm.c
index 752b13a7b3db..fecd85489e51 100644
--- a/arch/arm/mach-s3c2412/pm.c
+++ b/arch/arm/mach-s3c2412/pm.c
@@ -37,7 +37,7 @@
 
 extern void s3c2412_sleep_enter(void);
 
-static void s3c2412_cpu_suspend(void)
+static void s3c2412_cpu_suspend(unsigned long arg)
 {
         unsigned long tmp;
 
diff --git a/arch/arm/mach-s3c2416/pm.c b/arch/arm/mach-s3c2416/pm.c
index 41db2b21e213..268fda744201 100644
--- a/arch/arm/mach-s3c2416/pm.c
+++ b/arch/arm/mach-s3c2416/pm.c
@@ -24,7 +24,7 @@
 
 extern void s3c2412_sleep_enter(void);
 
-static void s3c2416_cpu_suspend(void)
+static void s3c2416_cpu_suspend(unsigned long arg)
 {
         flush_cache_all();
 
diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c
index bc1c470b7de6..7cc1879af722 100644
--- a/arch/arm/mach-s3c64xx/pm.c
+++ b/arch/arm/mach-s3c64xx/pm.c
@@ -112,7 +112,7 @@ void s3c_pm_save_core(void)
  * this.
  */
 
-static void s3c64xx_cpu_suspend(void)
+static void s3c64xx_cpu_suspend(unsigned long arg)
 {
         unsigned long tmp;
 
diff --git a/arch/arm/mach-s3c64xx/sleep.S b/arch/arm/mach-s3c64xx/sleep.S
index 2fd343332838..34313f9c8792 100644
--- a/arch/arm/mach-s3c64xx/sleep.S
+++ b/arch/arm/mach-s3c64xx/sleep.S
@@ -25,24 +25,6 @@
 
         .text
 
-        /* s3c_cpu_save
-         *
-         * Save enough processor state to allow the restart of the pm.c
-         * code after resume.
-         *
-         * entry:
-         *      r1 = v:p offset
-        */
-
-ENTRY(s3c_cpu_save)
-        adr     r3, BSYM(s3c64xx_finish_suspend)
-        b       cpu_suspend
-
-s3c64xx_finish_suspend:
-        @@ call final suspend code
-        ldr     r0, =pm_cpu_sleep
-        ldr     pc, [r0]
-        
         /* Sleep magic, the word before the resume entry point so that the
          * bootloader can check for a resumeable image. */
 
diff --git a/arch/arm/mach-s5pv210/pm.c b/arch/arm/mach-s5pv210/pm.c
index 24febae3d4c0..309e388a8a83 100644
--- a/arch/arm/mach-s5pv210/pm.c
+++ b/arch/arm/mach-s5pv210/pm.c
@@ -88,7 +88,7 @@ static struct sleep_save s5pv210_core_save[] = {
         SAVE_ITEM(S3C2410_TCNTO(0)),
 };
 
-void s5pv210_cpu_suspend(void)
+void s5pv210_cpu_suspend(unsigned long arg)
 {
         unsigned long tmp;
 
diff --git a/arch/arm/mach-s5pv210/sleep.S b/arch/arm/mach-s5pv210/sleep.S
index 28dfeff342b8..e3452ccd4b08 100644
--- a/arch/arm/mach-s5pv210/sleep.S
+++ b/arch/arm/mach-s5pv210/sleep.S
@@ -32,23 +32,6 @@
 
         .text
 
-        /* s3c_cpu_save
-         *
-         * entry:
-         *      r1 = v:p offset
-        */
-
-ENTRY(s3c_cpu_save)
-        adr     r3, BSYM(s5pv210_finish_suspend)
-        b       cpu_suspend
-
-s5pv210_finish_suspend:
-        ldr     r0, =pm_cpu_sleep
-        ldr     r0, [ r0 ]
-        mov     pc, r0
-
-        .ltorg
-
         /* sleep magic, to allow the bootloader to check for an valid
          * image to resume to. Must be the first word before the
          * s3c_cpu_resume entry.
diff --git a/arch/arm/plat-s3c24xx/sleep.S b/arch/arm/plat-s3c24xx/sleep.S
index 6ada459498a8..c56612569b40 100644
--- a/arch/arm/plat-s3c24xx/sleep.S
+++ b/arch/arm/plat-s3c24xx/sleep.S
@@ -41,25 +41,6 @@
 
         .text
 
-        /* s3c_cpu_save
-         *
-         * entry:
-         *      r1 = v:p offset
-        */
-
-ENTRY(s3c_cpu_save)
-        adr     r3, BSYM(s3c24xx_finish_suspend)
-        b       cpu_suspend
-
-s3c24xx_finish_suspend:
-        @@ jump to final code to send system to sleep
-        ldr     r0, =pm_cpu_sleep
-        @@ldr   pc, [ r0 ]
-        ldr     r0, [ r0 ]
-        mov     pc, r0
-        
-        .ltorg
-
         /* sleep magic, to allow the bootloader to check for an valid
          * image to resume to. Must be the first word before the
          * s3c_cpu_resume entry.
diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h
index 7fb6f6be8c81..0a5b7faca836 100644
--- a/arch/arm/plat-samsung/include/plat/pm.h
+++ b/arch/arm/plat-samsung/include/plat/pm.h
@@ -42,7 +42,7 @@ extern unsigned long s3c_irqwake_eintallow;
 /* per-cpu sleep functions */
 
 extern void (*pm_cpu_prep)(void);
-extern void (*pm_cpu_sleep)(void);
+extern void (*pm_cpu_sleep)(unsigned long);
 
 /* Flags for PM Control */
 
@@ -52,10 +52,9 @@ extern unsigned char pm_uart_udivslot;  /* true to save UART UDIVSLOT */
 
 /* from sleep.S */
 
-extern int  s3c_cpu_save(unsigned long *saveblk, long);
 extern void s3c_cpu_resume(void);
 
-extern void s3c2410_cpu_suspend(void);
+extern void s3c2410_cpu_suspend(unsigned long);
 
 /* sleep save info */
 
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index 3828191416b5..3a6d0768ba0c 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -231,7 +231,7 @@ static void __maybe_unused s3c_pm_show_resume_irqs(int start,
 
 
 void (*pm_cpu_prep)(void);
-void (*pm_cpu_sleep)(void);
+void (*pm_cpu_sleep)(unsigned long);
 
 #define any_allowed(mask, allow) (((mask) & (allow)) != (allow))
 
@@ -294,11 +294,11 @@ static int s3c_pm_enter(suspend_state_t state)
 
         s3c_pm_arch_stop_clocks();
 
-        /* s3c_cpu_save will also act as our return point from when
+        /* this will also act as our return point from when
          * we resume as it saves its own register state and restores it
          * during the resume.  */
 
-        s3c_cpu_save(0, PLAT_PHYS_OFFSET - PAGE_OFFSET);
+        cpu_suspend(0, PHYS_OFFSET - PAGE_OFFSET, 0, pm_cpu_sleep);
 
         /* restore the system state */