4 files changed, 15 insertions, 13 deletions

diff --git a/arch/arm/boot/compressed/efi-header.S b/arch/arm/boot/compressed/efi-header.S
index 9d5dc4fda3c1..3f7d1b74c5e0 100644
--- a/arch/arm/boot/compressed/efi-header.S
+++ b/arch/arm/boot/compressed/efi-header.S
@@ -17,14 +17,12 @@
                 @ there.
                 .inst   'M' | ('Z' << 8) | (0x1310 << 16)   @ tstne r0, #0x4d000
 #else
-                mov     r0, r0
+                W(mov)  r0, r0
 #endif
                 .endm
 
                 .macro  __EFI_HEADER
 #ifdef CONFIG_EFI_STUB
-                b       __efi_start
-
                 .set    start_offset, __efi_start - start
                 .org    start + 0x3c
                 @
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 7c711ba61417..8a756870c238 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -130,19 +130,22 @@ start:
                 .rept   7
                 __nop
                 .endr
-   ARM(         mov     r0, r0          )
-   ARM(         b       1f              )
- THUMB(         badr    r12, 1f         )
- THUMB(         bx      r12             )
+#ifndef CONFIG_THUMB2_KERNEL
+                mov     r0, r0
+#else
+ AR_CLASS(      sub     pc, pc, #3      )       @ A/R: switch to Thumb2 mode
+  M_CLASS(      nop.w                   )       @ M: already in Thumb2 mode
+                .thumb
+#endif
+                W(b)    1f
 
                 .word   _magic_sig      @ Magic numbers to help the loader
                 .word   _magic_start    @ absolute load/run zImage address
                 .word   _magic_end      @ zImage end address
                 .word   0x04030201      @ endianness flag
 
- THUMB(         .thumb                  )
-1:              __EFI_HEADER
-
+                __EFI_HEADER
+1:
  ARM_BE8(       setend  be              )       @ go BE8 if compiled for BE8
  AR_CLASS(      mrs     r9, cpsr        )
 #ifdef CONFIG_ARM_VIRT_EXT
diff --git a/arch/arm/common/mcpm_entry.c b/arch/arm/common/mcpm_entry.c
index cf062472e07b..2b913f17d50f 100644
--- a/arch/arm/common/mcpm_entry.c
+++ b/arch/arm/common/mcpm_entry.c
@@ -235,7 +235,7 @@ int mcpm_cpu_power_up(unsigned int cpu, unsigned int cluster)
         return ret;
 }
 
-typedef void (*phys_reset_t)(unsigned long);
+typedef typeof(cpu_reset) phys_reset_t;
 
 void mcpm_cpu_power_down(void)
 {
@@ -300,7 +300,7 @@ void mcpm_cpu_power_down(void)
          * on the CPU.
          */
         phys_reset = (phys_reset_t)(unsigned long)__pa_symbol(cpu_reset);
-        phys_reset(__pa_symbol(mcpm_entry_point));
+        phys_reset(__pa_symbol(mcpm_entry_point), false);
 
         /* should never get here */
         BUG();
@@ -389,7 +389,7 @@ static int __init nocache_trampoline(unsigned long _arg)
         __mcpm_cpu_down(cpu, cluster);
 
         phys_reset = (phys_reset_t)(unsigned long)__pa_symbol(cpu_reset);
-        phys_reset(__pa_symbol(mcpm_entry_point));
+        phys_reset(__pa_symbol(mcpm_entry_point), false);
         BUG();
 }
 
diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h
index 302240c19a5a..a0d726a47c8a 100644
--- a/arch/arm/include/asm/pgtable-nommu.h
+++ b/arch/arm/include/asm/pgtable-nommu.h
@@ -66,6 +66,7 @@ typedef pte_t *pte_addr_t;
 #define pgprot_noncached(prot)  (prot)
 #define pgprot_writecombine(prot) (prot)
 #define pgprot_dmacoherent(prot) (prot)
+#define pgprot_device(prot)     (prot)
 
 
 /*