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Diffstat (limited to 'arch/x86/cpu/intel_common/microcode.c')
-rw-r--r--arch/x86/cpu/intel_common/microcode.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/cpu/intel_common/microcode.c b/arch/x86/cpu/intel_common/microcode.c
index 3054fab..daf0d69 100644
--- a/arch/x86/cpu/intel_common/microcode.c
+++ b/arch/x86/cpu/intel_common/microcode.c
@@ -64,8 +64,12 @@ static int microcode_decode_node(const void *blob, int node,
return 0;
}
-static inline uint32_t microcode_read_rev(void)
+int microcode_read_rev(void)
{
+ /* Quark does not have microcode MSRs */
+#ifdef CONFIG_INTEL_QUARK
+ return 0;
+#else
/*
* Some Intel CPUs can be very finicky about the CPUID sequence used.
* So this is implemented in assembly so that it works reliably.
@@ -90,6 +94,7 @@ static inline uint32_t microcode_read_rev(void)
);
return high;
+#endif
}
static void microcode_read_cpu(struct microcode_update *cpu)