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authorMark Brown <broonie@opensource.wolfsonmicro.com>2013-04-15 17:27:12 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-04-15 17:27:12 +0100
commitcd2d95d97c8d1b66467507400c63d707ddb1deba (patch)
tree7ad5223ba88110ca6735637c9eef327515e9bb96 /arch/mips/kernel/Makefile
parent88dd75af0e49e1dabef6f7c7f7f4fa0234b9b988 (diff)
parent41ef2d5678d83af030125550329b6ae8b74618fa (diff)
Merge tag 'v3.9-rc7' into regulator-fix-core
Linux 3.9-rc7 Trivial context overlap conflicts: MAINTAINERS
Diffstat (limited to 'arch/mips/kernel/Makefile')
-rw-r--r--arch/mips/kernel/Makefile25
1 files changed, 6 insertions, 19 deletions
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index f81d98f6184c..de75fb50562b 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -100,29 +100,16 @@ obj-$(CONFIG_HW_PERF_EVENTS) += perf_event_mipsxx.o
obj-$(CONFIG_JUMP_LABEL) += jump_label.o
#
-# DSP ASE supported for MIPS32 or MIPS64 Release 2 cores only. It is safe
-# to enable DSP assembler support here even if the MIPS Release 2 CPU we
-# are targetting does not support DSP because all code-paths making use of
-# it properly check that the running CPU *actually does* support these
-# instructions.
+# DSP ASE supported for MIPS32 or MIPS64 Release 2 cores only. It is not
+# safe to unconditionnaly use the assembler -mdsp / -mdspr2 switches
+# here because the compiler may use DSP ASE instructions (such as lwx) in
+# code paths where we cannot check that the CPU we are running on supports it.
+# Proper abstraction using HAVE_AS_DSP and macros is done in
+# arch/mips/include/asm/mipsregs.h.
#
ifeq ($(CONFIG_CPU_MIPSR2), y)
CFLAGS_DSP = -DHAVE_AS_DSP
-#
-# Check if assembler supports DSP ASE
-#
-ifeq ($(call cc-option-yn,-mdsp), y)
-CFLAGS_DSP += -mdsp
-endif
-
-#
-# Check if assembler supports DSP ASE Rev2
-#
-ifeq ($(call cc-option-yn,-mdspr2), y)
-CFLAGS_DSP += -mdspr2
-endif
-
CFLAGS_signal.o = $(CFLAGS_DSP)
CFLAGS_signal32.o = $(CFLAGS_DSP)
CFLAGS_process.o = $(CFLAGS_DSP)