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MIPS: Use current_cpu_type() in m4kc_tlbp_war()

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Use current_cpu_type() to check for 4Kc processors instead of checking
the PRID directly. This will allow for the 4Kc case to be optimised out
of kernels that can't run on 4KC processors, thanks to __get_cpu_type()
and its unreachable() call.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/16205/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Paul Burton 2017-06-02 15:38:04 -07:00 committed by Ralf Baechle
parent cebf8c0f4f
commit 5f930860e7
1 changed files with 1 additions and 2 deletions
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3
arch/mips/mm/tlbex.c
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@ -153,8 +153,7 @@ static int scratchpad_offset(int i)
*/
static int m4kc_tlbp_war(void)
{
return (current_cpu_data.processor_id & 0xffff00) ==
(PRID_COMP_MIPS | PRID_IMP_4KC);
return current_cpu_type() == CPU_4KC;
}
/* Handle labels (which must be positive integers). */