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MIPS: Don't build MSA support unless it can be used 

MSA requires that Status.FR == 1, so for MIPS32 tasks MSA can only be
used if CONFIG_MIPS_O32_FP64_SUPPORT is enabled. If it is not & the
kernel is 32bit, there's no point including support for MSA.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7310/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Paul Burton 2014-07-11 16:47:14 +01:00 committed by Ralf Baechle
parent 7daef8f261
commit 2a6cb6690f
1 changed files with 1 additions and 0 deletions
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arch/mips/Kconfig
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@ -2117,6 +2117,7 @@ config CPU_MICROMIPS
config CPU_HAS_MSA
bool "Support for the MIPS SIMD Architecture"
depends on CPU_SUPPORTS_MSA
depends on 64BIT || MIPS_O32_FP64_SUPPORT
default y
help
MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers