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MIPS: loongson64: fix FTLB configuration

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[ Upstream commit 7db5e9e9e5 ]

It turns out that 'decode_configs' -> 'set_ftlb_enable' is called under
c->cputype unset, which leaves FTLB disabled on BOTH 3A2000 and 3A3000

Fix it by calling "decode_configs" after c->cputype is initialized

Fixes: da1bd29742 ("MIPS: Loongson64: Probe CPU features via CPUCFG")
Signed-off-by: Huang Pei <huangpei@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Huang Pei
2021-11-25 18:59:49 +08:00
committed by Greg Kroah-Hartman
parent 5e823dbee2
commit a6a5d853f1
1 changed files with 2 additions and 2 deletions
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4
arch/mips/kernel/cpu-probe.c
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@@ -1721,8 +1721,6 @@ static inline void decode_cpucfg(struct cpuinfo_mips *c)
static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu)
{
decode_configs(c);
/* All Loongson processors covered here define ExcCode 16 as GSExc. */
c->options |= MIPS_CPU_GSEXCEX;
@@ -1783,6 +1781,8 @@ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu)
panic("Unknown Loongson Processor ID!");
break;
}
decode_configs(c);
}
#else
static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu) { }