From: Maciej W. Rozycki <macro@linux-mips.org>
Date: Fri, 3 Apr 2015 22:27:21 +0000 (+0100)
Subject: MIPS: Correct ISA masking in FPU feature determination
X-Git-Tag: omap-for-v4.1/fixes-rc1~111^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9cb60e202631d71b7b8d38fa84ae7663805244b6;p=pandora-kernel.git

MIPS: Correct ISA masking in FPU feature determination

Correct an ISA level determination problem introduced with 8b8aa636
[MIPS: kernel: cpu-probe.c: Add support for MIPS R6], reverting explicit
masking against individual `MIPS_CPU_ISA_*' macros in FPU feature
determination.

Feature macros such as `cpu_has_mips_r' cannot be used here, because
they operate on CPU #0 and we want to refer to the current CPU instead.
They cannot be used for masking against the current CPU either because
they mask against CPU #0 too, e.g.:

# define cpu_has_mips32r1	(cpu_data[0].isa_level & MIPS_CPU_ISA_M32R1)

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9706/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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