Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (91 commits)
  ARM: 6806/1: irq: introduce entry and exit functions for chained handlers
  ARM: 6781/1: Thumb-2: Work around buggy Thumb-2 short branch relocations in gas
  ARM: 6747/1: P2V: Thumb2 support
  ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump
  ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode
  ARM: 6784/1: errata: no automatic Store Buffer drain on Cortex-A9
  ARM: 6772/1: errata: possible fault MMU translations following an ASID switch
  ARM: 6776/1: mach-ux500: activate fix for errata 753970
  ARM: 6794/1: SPEAr: Append UL to device address macros.
  ARM: 6793/1: SPEAr: Remove unused *_SIZE macros from spear*.h files
  ARM: 6792/1: SPEAr: Replace SIZE macro's with SZ_4K macros
  ARM: 6791/1: SPEAr3xx: Declare device structures after shirq code
  ARM: 6790/1: SPEAr: Clock Framework: Rename usbd clock and align apb_clk entry
  ARM: 6789/1: SPEAr3xx: Rename sdio to sdhci
  ARM: 6788/1: SPEAr: Include mach/hardware.h instead of mach/spear.h
  ARM: 6787/1: SPEAr: Reorder #includes in .h & .c files.
  ARM: 6681/1: SPEAr: add debugfs support to clk API
  ARM: 6703/1: SPEAr: update clk API support
  ARM: 6679/1: SPEAr: make clk API functions more generic
  ARM: 6737/1: SPEAr: formalized timer support
  ...

1 files changed, 4 insertions, 53 deletions

diff --git a/arch/arm/plat-s3c24xx/sleep.S b/arch/arm/plat-s3c24xx/sleep.S
index e73e3b6e..fd7032f 100644
--- a/arch/arm/plat-s3c24xx/sleep.S
+++ b/arch/arm/plat-s3c24xx/sleep.S
@@ -44,23 +44,13 @@
 	/* s3c_cpu_save
 	 *
 	 * entry:
-	 *	r0 = save address (virtual addr of s3c_sleep_save_phys)
+	 *	r1 = v:p offset
 	*/
 
 ENTRY(s3c_cpu_save)
 	stmfd	sp!, { r4 - r12, lr }
-
-	@@ store co-processor registers
-
-	mrc	p15, 0, r4, c13, c0, 0	@ PID
-	mrc	p15, 0, r5, c3, c0, 0	@ Domain ID
-	mrc	p15, 0, r6, c2, c0, 0	@ translation table base address
-	mrc	p15, 0, r7, c1, c0, 0	@ control register
-
-	stmia	r0, { r4 - r13 }
-
-	@@ write our state back to RAM
-	bl	s3c_pm_cb_flushcache
+	ldr	r3, =resume_with_mmu
+	bl	cpu_suspend
 
 	@@ jump to final code to send system to sleep
 	ldr	r0, =pm_cpu_sleep
@@ -76,20 +66,6 @@ resume_with_mmu:
 
 	.ltorg
 
-	@@ the next bits sit in the .data segment, even though they
-	@@ happen to be code... the s3c_sleep_save_phys needs to be
-	@@ accessed by the resume code before it can restore the MMU.
-	@@ This means that the variable has to be close enough for the
-	@@ code to read it... since the .text segment needs to be RO,
-	@@ the data segment can be the only place to put this code.
-
-	.data
-
-	.global	s3c_sleep_save_phys
-s3c_sleep_save_phys:
-	.word	0
-
-
 	/* 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.
@@ -100,10 +76,6 @@ s3c_sleep_save_phys:
 	/* s3c_cpu_resume
 	 *
 	 * resume code entry for bootloader to call
-	 *
-	 * we must put this code here in the data segment as we have no
-	 * other way of restoring the stack pointer after sleep, and we
-	 * must not write to the code segment (code is read-only)
 	*/
 
 ENTRY(s3c_cpu_resume)
@@ -134,25 +106,4 @@ ENTRY(s3c_cpu_resume)
 	beq	1001b
 #endif /* CONFIG_DEBUG_RESUME */
 
-	mov	r1, #0
-	mcr	p15, 0, r1, c8, c7, 0		@@ invalidate I & D TLBs
-	mcr	p15, 0, r1, c7, c7, 0		@@ invalidate I & D caches
-
-	ldr	r0, s3c_sleep_save_phys		@ address of restore block
-	ldmia	r0, { r4 - r13 }
-
-	mcr	p15, 0, r4, c13, c0, 0		@ PID
-	mcr	p15, 0, r5, c3, c0, 0		@ Domain ID
-	mcr	p15, 0, r6, c2, c0, 0		@ translation table base
-
-#ifdef CONFIG_DEBUG_RESUME
-	mov	r3, #'R'
-	strb	r3, [ r2, #S3C2410_UTXH ]
-#endif
-
-	ldr	r2, =resume_with_mmu
-	mcr	p15, 0, r7, c1, c0, 0		@ turn on MMU, etc
-	nop					@ second-to-last before mmu
-	mov	pc, r2				@ go back to virtual address
-
-	.ltorg
+	b	cpu_resume