From 0c2f4551df3880083e4733b5d928d2758b71162c Mon Sep 17 00:00:00 2001 From: David Daney Date: Mon, 26 Jul 2010 14:29:37 -0700 Subject: [PATCH] MIPS: Decode core number for R2 CPUs. 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 To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1505/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/cpu-probe.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 9b6633171a1f..b1b304ea2128 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -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) -- 2.20.1