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-rw-r--r--arch/mips/kernel/cpu-probe.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 9be68091bdf2..5465dc183e5a 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -291,6 +291,17 @@ static inline unsigned int decode_config4(struct cpuinfo_mips *c)
return config4 & MIPS_CONF_M;
}
+static inline unsigned int decode_config5(struct cpuinfo_mips *c)
+{
+ unsigned int config5;
+
+ config5 = read_c0_config5();
+ config5 &= ~MIPS_CONF5_UFR;
+ write_c0_config5(config5);
+
+ return config5 & MIPS_CONF_M;
+}
+
static void decode_configs(struct cpuinfo_mips *c)
{
int ok;
@@ -311,6 +322,8 @@ static void decode_configs(struct cpuinfo_mips *c)
ok = decode_config3(c);
if (ok)
ok = decode_config4(c);
+ if (ok)
+ ok = decode_config5(c);
mips_probe_watch_registers(c);