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authorIngo Molnar <mingo@kernel.org>2013-01-24 12:47:48 +0100
committerIngo Molnar <mingo@kernel.org>2013-01-24 12:47:48 +0100
commitbefddb21c845f8fb49e637997891ef97c6a869dc (patch)
tree0e7629123184f2dd50291ad6d477b894175f0f26 /arch/arm/include/asm/assembler.h
parente716efde75267eab919cdb2bef5b2cb77f305326 (diff)
parent7d1f9aeff1ee4a20b1aeb377dd0f579fe9647619 (diff)
Merge tag 'v3.8-rc4' into irq/core
Merge Linux 3.8-rc4 before pulling in new commits - we were on an old v3.7 base. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/include/asm/assembler.h')
-rw-r--r--arch/arm/include/asm/assembler.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 2ef95813fce..eb87200aa4b 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -250,6 +250,7 @@
* Beware, it also clobers LR.
*/
.macro safe_svcmode_maskall reg:req
+#if __LINUX_ARM_ARCH__ >= 6
mrs \reg , cpsr
mov lr , \reg
and lr , lr , #MODE_MASK
@@ -266,6 +267,13 @@ THUMB( orr \reg , \reg , #PSR_T_BIT )
__ERET
1: msr cpsr_c, \reg
2:
+#else
+/*
+ * workaround for possibly broken pre-v6 hardware
+ * (akita, Sharp Zaurus C-1000, PXA270-based)
+ */
+ setmode PSR_F_BIT | PSR_I_BIT | SVC_MODE, \reg
+#endif
.endm
/*