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Diffstat (limited to 'drivers/edac/edac_mce_amd.h')
-rw-r--r--drivers/edac/edac_mce_amd.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/edac/edac_mce_amd.h b/drivers/edac/edac_mce_amd.h
index 8920133075e..2ee499d7f89 100644
--- a/drivers/edac/edac_mce_amd.h
+++ b/drivers/edac/edac_mce_amd.h
@@ -20,13 +20,14 @@
#define II_MSG(x) ii_msgs[II(x)]
#define LL(x) (((x) >> 0) & 0x3)
#define LL_MSG(x) ll_msgs[LL(x)]
-#define RRRR(x) (((x) >> 4) & 0xf)
-#define RRRR_MSG(x) rrrr_msgs[RRRR(x)]
#define TO(x) (((x) >> 8) & 0x1)
#define TO_MSG(x) to_msgs[TO(x)]
#define PP(x) (((x) >> 9) & 0x3)
#define PP_MSG(x) pp_msgs[PP(x)]
+#define RRRR(x) (((x) >> 4) & 0xf)
+#define RRRR_MSG(x) ((RRRR(x) < 9) ? rrrr_msgs[RRRR(x)] : "Wrong R4!")
+
#define K8_NBSH 0x4C
#define K8_NBSH_VALID_BIT BIT(31)