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MIPS: Decode core number for R2 CPUs.

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The struct cpuinfo_mips.core field should be populated with the
physical core number.  For R2 CPUs, this is carried in the low 10 bits
of Ebase.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1505/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
David Daney 2010-07-26 14:29:37 -07:00 committed by Ralf Baechle
parent fa90c87297
commit 0c2f4551df
1 changed files with 3 additions and 0 deletions
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3
arch/mips/kernel/cpu-probe.c
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@ -761,6 +761,9 @@ static void __cpuinit decode_configs(struct cpuinfo_mips *c)
ok = decode_config4(c);
mips_probe_watch_registers(c);
if (cpu_has_mips_r2)
c->core = read_c0_ebase() & 0x3ff;
}
static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu)