[Linaro-uefi] [PATCH] arm: efi: use instr_sync macro instead of isb

Fix assembler error when building for older targets with unsupported isb.

Signed-off-by: Varad Gautam varadgautam@gmail.com --- arch/arm/kernel/efi_phys.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/kernel/efi_phys.S b/arch/arm/kernel/efi_phys.S index e808b57..6dd3f67 100644 --- a/arch/arm/kernel/efi_phys.S +++ b/arch/arm/kernel/efi_phys.S @@ -39,7 +39,7 @@ ENTRY(uefi_phys_call) @ Disable MMU ldr r5, =(CR_M) update_sctlr r12, , r5 - isb + instr_sync

@ Make call blx lr @@ -47,7 +47,7 @@ ENTRY(uefi_phys_call) @ Enable MMU + Caches ldr r4, =(CR_I | CR_C | CR_M) update_sctlr r12, r4 - isb + instr_sync

ldr sp, =tmpstack_top ldmfd sp, {r4-r5, r12, lr}