diff options
| author | Paul Burton <paul.burton@imgtec.com> | 2014-09-11 11:30:18 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-11-24 09:45:06 +0300 |
| commit | adac5d535d4e364324b92798bfb68336197e815e (patch) | |
| tree | 221874e584f0e401bdce8cd10066307779bd5277 /arch/mips/include/asm/cpu-features.h | |
| parent | 5ff04a8433b0ff396c4adcc03fe7787e22f57cb1 (diff) | |
| download | linux-adac5d535d4e364324b92798bfb68336197e815e.tar.xz | |
MIPS: detect presence of the FRE & UFR bits
Detect the presence of the Config5 FRE & UFE bits, as indicated by the
FREP bit in FPIR. Record this as a CPU option bit, and provide a
cpu_has_fre macro to ease checking of that option bit.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/7678/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/cpu-features.h')
| -rw-r--r-- | arch/mips/include/asm/cpu-features.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index 3325f3eb248c..2897cfafcaf0 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -344,4 +344,8 @@ # define cpu_has_msa 0 #endif +#ifndef cpu_has_fre +# define cpu_has_fre (cpu_data[0].options & MIPS_CPU_FRE) +#endif + #endif /* __ASM_CPU_FEATURES_H */ |