--- zzzz-none-000/linux-3.10.107/arch/arm/mm/proc-feroceon.S	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/mm/proc-feroceon.S	2021-02-04 17:41:59.000000000 +0000
@@ -69,7 +69,7 @@
 	movne	r2, r2, lsr #2			@ turned into # of sets
 	sub	r2, r2, #(1 << 5)
 	stmia	r1, {r2, r3}
-	mov	pc, lr
+	ret	lr
 
 /*
  * cpu_feroceon_proc_fin()
@@ -86,7 +86,7 @@
 	bic	r0, r0, #0x1000			@ ...i............
 	bic	r0, r0, #0x000e			@ ............wca.
 	mcr	p15, 0, r0, c1, c0, 0		@ disable caches
-	mov	pc, lr
+	ret	lr
 
 /*
  * cpu_feroceon_reset(loc)
@@ -110,7 +110,7 @@
 	bic	ip, ip, #0x000f			@ ............wcam
 	bic	ip, ip, #0x1100			@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
-	mov	pc, r0
+	ret	r0
 ENDPROC(cpu_feroceon_reset)
 	.popsection
 
@@ -124,7 +124,7 @@
 	mov	r0, #0
 	mcr	p15, 0, r0, c7, c10, 4		@ Drain write buffer
 	mcr	p15, 0, r0, c7, c0, 4		@ Wait for interrupt
-	mov	pc, lr
+	ret	lr
 
 /*
  *	flush_icache_all()
@@ -134,7 +134,7 @@
 ENTRY(feroceon_flush_icache_all)
 	mov	r0, #0
 	mcr	p15, 0, r0, c7, c5, 0		@ invalidate I cache
-	mov	pc, lr
+	ret	lr
 ENDPROC(feroceon_flush_icache_all)
 
 /*
@@ -169,7 +169,7 @@
 	mov	ip, #0
 	mcrne	p15, 0, ip, c7, c5, 0		@ invalidate I cache
 	mcrne	p15, 0, ip, c7, c10, 4		@ drain WB
-	mov	pc, lr
+	ret	lr
 
 /*
  *	flush_user_cache_range(start, end, flags)
@@ -198,7 +198,7 @@
 	tst	r2, #VM_EXEC
 	mov	ip, #0
 	mcrne	p15, 0, ip, c7, c10, 4		@ drain WB
-	mov	pc, lr
+	ret	lr
 
 /*
  *	coherent_kern_range(start, end)
@@ -233,7 +233,7 @@
 	blo	1b
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
 	mov	r0, #0
-	mov	pc, lr
+	ret	lr
 
 /*
  *	flush_kern_dcache_area(void *addr, size_t size)
@@ -254,7 +254,7 @@
 	mov	r0, #0
 	mcr	p15, 0, r0, c7, c5, 0		@ invalidate I cache
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
-	mov	pc, lr
+	ret	lr
 
 	.align	5
 ENTRY(feroceon_range_flush_kern_dcache_area)
@@ -268,7 +268,7 @@
 	mov	r0, #0
 	mcr	p15, 0, r0, c7, c5, 0		@ invalidate I cache
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
-	mov	pc, lr
+	ret	lr
 
 /*
  *	dma_inv_range(start, end)
@@ -295,7 +295,7 @@
 	cmp	r0, r1
 	blo	1b
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
-	mov	pc, lr
+	ret	lr
 
 	.align	5
 feroceon_range_dma_inv_range:
@@ -311,7 +311,7 @@
 	mcr	p15, 5, r0, c15, c14, 0		@ D inv range start
 	mcr	p15, 5, r1, c15, c14, 1		@ D inv range top
 	msr	cpsr_c, r2			@ restore interrupts
-	mov	pc, lr
+	ret	lr
 
 /*
  *	dma_clean_range(start, end)
@@ -331,7 +331,7 @@
 	cmp	r0, r1
 	blo	1b
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
-	mov	pc, lr
+	ret	lr
 
 	.align	5
 feroceon_range_dma_clean_range:
@@ -344,7 +344,7 @@
 	mcr	p15, 5, r1, c15, c13, 1		@ D clean range top
 	msr	cpsr_c, r2			@ restore interrupts
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
-	mov	pc, lr
+	ret	lr
 
 /*
  *	dma_flush_range(start, end)
@@ -362,7 +362,7 @@
 	cmp	r0, r1
 	blo	1b
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
-	mov	pc, lr
+	ret	lr
 
 	.align	5
 ENTRY(feroceon_range_dma_flush_range)
@@ -375,7 +375,7 @@
 	mcr	p15, 5, r1, c15, c15, 1		@ D clean/inv range top
 	msr	cpsr_c, r2			@ restore interrupts
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
-	mov	pc, lr
+	ret	lr
 
 /*
  *	dma_map_area(start, size, dir)
@@ -412,7 +412,7 @@
  *	- dir	- DMA direction
  */
 ENTRY(feroceon_dma_unmap_area)
-	mov	pc, lr
+	ret	lr
 ENDPROC(feroceon_dma_unmap_area)
 
 	.globl	feroceon_flush_kern_cache_louis
@@ -461,7 +461,7 @@
 	bhi	1b
 #endif
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
-	mov	pc, lr
+	ret	lr
 
 /* =============================== PageTable ============================== */
 
@@ -490,9 +490,9 @@
 
 	mcr	p15, 0, r0, c2, c0, 0		@ load page table pointer
 	mcr	p15, 0, ip, c8, c7, 0		@ invalidate I & D TLBs
-	mov	pc, r2
+	ret	r2
 #else
-	mov	pc, lr
+	ret	lr
 #endif
 
 /*
@@ -512,9 +512,33 @@
 #endif
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
 #endif
-	mov	pc, lr
+	ret	lr
 
-	__CPUINIT
+/* Suspend/resume support: taken from arch/arm/mm/proc-arm926.S */
+.globl	cpu_feroceon_suspend_size
+.equ	cpu_feroceon_suspend_size, 4 * 3
+#ifdef CONFIG_ARM_CPU_SUSPEND
+ENTRY(cpu_feroceon_do_suspend)
+	stmfd	sp!, {r4 - r6, lr}
+	mrc	p15, 0, r4, c13, c0, 0	@ PID
+	mrc	p15, 0, r5, c3, c0, 0	@ Domain ID
+	mrc	p15, 0, r6, c1, c0, 0	@ Control register
+	stmia	r0, {r4 - r6}
+	ldmfd	sp!, {r4 - r6, pc}
+ENDPROC(cpu_feroceon_do_suspend)
+
+ENTRY(cpu_feroceon_do_resume)
+	mov	ip, #0
+	mcr	p15, 0, ip, c8, c7, 0	@ invalidate I+D TLBs
+	mcr	p15, 0, ip, c7, c7, 0	@ invalidate I+D caches
+	ldmia	r0, {r4 - r6}
+	mcr	p15, 0, r4, c13, c0, 0	@ PID
+	mcr	p15, 0, r5, c3, c0, 0	@ Domain ID
+	mcr	p15, 0, r1, c2, c0, 0	@ TTB address
+	mov	r0, r6			@ control register
+	b	cpu_resume_mmu
+ENDPROC(cpu_feroceon_do_resume)
+#endif
 
 	.type	__feroceon_setup, #function
 __feroceon_setup:
@@ -530,7 +554,7 @@
 	mrc	p15, 0, r0, c1, c0		@ get control register v4
 	bic	r0, r0, r5
 	orr	r0, r0, r6
-	mov	pc, lr
+	ret	lr
 	.size	__feroceon_setup, . - __feroceon_setup
 
 	/*
@@ -560,7 +584,7 @@
 
 	.align
 
-	.section ".proc.info.init", #alloc, #execinstr
+	.section ".proc.info.init", #alloc
 
 .macro feroceon_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, cache:req
 	.type	__\name\()_proc_info,#object
@@ -577,7 +601,7 @@
 		PMD_BIT4 | \
 		PMD_SECT_AP_WRITE | \
 		PMD_SECT_AP_READ
-	b	__feroceon_setup
+	initfn	__feroceon_setup, __\name\()_proc_info
 	.long	cpu_arch_name
 	.long	cpu_elf_name
 	.long	HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP