[ARM] Fix SMP booting

Processor support files now use r6 in their CPU setup code, so
we can't rely on r6 being preserved.  Use r7 instead.

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

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 2242f5f7cb7d..4fe386eea4b4 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -114,9 +114,9 @@ ENTRY(secondary_startup)
          * Use the page tables supplied from  __cpu_up.
          */
         adr     r4, __secondary_data
-        ldmia   r4, {r5, r6, r13}               @ address to jump to after
+        ldmia   r4, {r5, r7, r13}               @ address to jump to after
         sub     r4, r4, r5                      @ mmu has been enabled
-        ldr     r4, [r6, r4]                    @ get secondary_data.pgdir
+        ldr     r4, [r7, r4]                    @ get secondary_data.pgdir
         adr     lr, __enable_mmu                @ return address
         add     pc, r10, #12                    @ initialise processor
                                                 @ (return control reg)
@@ -125,7 +125,7 @@ ENTRY(secondary_startup)
          * r6  = &secondary_data
          */
 ENTRY(__secondary_switched)
-        ldr     sp, [r6, #4]                    @ get secondary_data.stack
+        ldr     sp, [r7, #4]                    @ get secondary_data.stack
         mov     fp, #0
         b       secondary_start_kernel