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MIPS: CPS: Fix r1 .set mt assembler warning

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MIPS CPS has a build warning on kernels configured for MIPS32R1 or
MIPS64R1, due to the use of .set mt without a prior .set mips{32,64}r2:

arch/mips/kernel/cps-vec.S Assembler messages:
arch/mips/kernel/cps-vec.S:238: Warning: the `mt' extension requires MIPS32 revision 2 or greater

Add .set MIPS_ISA_LEVEL_RAW before .set mt to silence the warning.

Fixes: 245a7868d2 ("MIPS: smp-cps: rework core/VPE initialisation")
Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <james.hogan@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17699/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
James Hogan 2017-11-14 12:01:20 +00:00 committed by Ralf Baechle
parent 50c4c4e268
commit 17278a91e0
1 changed files with 2 additions and 0 deletions
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2
arch/mips/kernel/cps-vec.S
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@ -235,6 +235,7 @@ LEAF(mips_cps_core_init)
has_mt t0, 3f
.set push
.set MIPS_ISA_LEVEL_RAW
.set mt
/* Only allow 1 TC per VPE to execute... */
@ -388,6 +389,7 @@ LEAF(mips_cps_boot_vpes)
#elif defined(CONFIG_MIPS_MT)
.set push
.set MIPS_ISA_LEVEL_RAW
.set mt
/* If the core doesn't support MT then return */