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-rw-r--r--arch/mips/include/asm/mipsregs.h1
-rw-r--r--arch/mips/include/uapi/asm/hwcap.h1
-rw-r--r--arch/mips/kernel/cpu-probe.c3
3 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 858752dac337..f65859784a4c 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -664,6 +664,7 @@
#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
#define MIPS_CONF5_CA2 (_ULCAST_(1) << 14)
+#define MIPS_CONF5_CRCP (_ULCAST_(1) << 18)
#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
diff --git a/arch/mips/include/uapi/asm/hwcap.h b/arch/mips/include/uapi/asm/hwcap.h
index 600ad8fd6835..a2aba4b059e6 100644
--- a/arch/mips/include/uapi/asm/hwcap.h
+++ b/arch/mips/include/uapi/asm/hwcap.h
@@ -5,5 +5,6 @@
/* HWCAP flags */
#define HWCAP_MIPS_R6 (1 << 0)
#define HWCAP_MIPS_MSA (1 << 1)
+#define HWCAP_MIPS_CRC32 (1 << 2)
#endif /* _UAPI_ASM_HWCAP_H */
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index cf3fd549e16d..6b07b739f914 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -848,6 +848,9 @@ static inline unsigned int decode_config5(struct cpuinfo_mips *c)
if (config5 & MIPS_CONF5_CA2)
c->ases |= MIPS_ASE_MIPS16E2;
+ if (config5 & MIPS_CONF5_CRCP)
+ elf_hwcap |= HWCAP_MIPS_CRC32;
+
return config5 & MIPS_CONF_M;
}
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