MIPS: detect presence of the FRE & UFR bits

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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>

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Paul Burton 2014-09-11 08:30:18 +01:00 • committed by Ralf Baechle

parent 5ff04a8433

commit adac5d535d

3 changed files with 7 additions and 0 deletions

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4

arch/mips/include/asm/cpu-features.h

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1

arch/mips/include/asm/cpu.h

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2

arch/mips/kernel/cpu-probe.c

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