[PATCH 2/2] MIPS: Decode config3 register on Ingenic SoCs
From: Paul Cercueil
Date: Tue May 07 2019 - 18:45:22 EST
XBurst misses a config2 register, so config3 decode was skipped in
decode_configs().
Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
arch/mips/kernel/cpu-probe.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index fdb73c1b0cd7..ed240cdfef46 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -1960,9 +1960,17 @@ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu)
static inline void cpu_probe_ingenic(struct cpuinfo_mips *c, unsigned int cpu)
{
decode_configs(c);
+
+ /*
+ * XBurst misses a config2 register, so config3 decode was skipped in
+ * decode_configs().
+ */
+ decode_config3(c);
+
/* XBurst does not implement the CP0 counter. */
c->options &= ~MIPS_CPU_COUNTER;
BUG_ON(!__builtin_constant_p(cpu_has_counter) || cpu_has_counter);
+
switch (c->processor_id & PRID_IMP_MASK) {
case PRID_IMP_XBURST:
c->cputype = CPU_XBURST;
--
2.21.0.593.g511ec345e18