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authorAlex Shi <alex.shi@linaro.org>2018-02-28 12:01:09 +0800
committerAlex Shi <alex.shi@linaro.org>2018-02-28 12:01:09 +0800
commit6e49b7fa3083c30688b7fff1b37ed891cd1c30af (patch)
tree3054864f2e58bcd86000567ce99e25753ddc794a /arch/powerpc/include/asm/plpar_wrappers.h
parent2ba51c6d36ee1b43c1f898c6c48ddf3d33e9ab30 (diff)
parentbe42cd02846a611af533103a3f4b6a7d8c592f49 (diff)
Merge remote-tracking branch 'rt-stable/v4.9-rt' into linux-linaro-lsk-v4.9-rtlsk-v4.9-18.03-rt
Diffstat (limited to 'arch/powerpc/include/asm/plpar_wrappers.h')
-rw-r--r--arch/powerpc/include/asm/plpar_wrappers.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/plpar_wrappers.h b/arch/powerpc/include/asm/plpar_wrappers.h
index 1b394247afc2..4e53b8570d1f 100644
--- a/arch/powerpc/include/asm/plpar_wrappers.h
+++ b/arch/powerpc/include/asm/plpar_wrappers.h
@@ -340,4 +340,18 @@ static inline long plapr_set_watchpoint0(unsigned long dawr0, unsigned long dawr
return plpar_set_mode(0, H_SET_MODE_RESOURCE_SET_DAWR, dawr0, dawrx0);
}
+static inline long plpar_get_cpu_characteristics(struct h_cpu_char_result *p)
+{
+ unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
+ long rc;
+
+ rc = plpar_hcall(H_GET_CPU_CHARACTERISTICS, retbuf);
+ if (rc == H_SUCCESS) {
+ p->character = retbuf[0];
+ p->behaviour = retbuf[1];
+ }
+
+ return rc;
+}
+
#endif /* _ASM_POWERPC_PLPAR_WRAPPERS_H */