diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel_pmc_core.c
index 125461ca2927f6928c460fbc93e4c3030ace5bbc..835ed6d333bfacd89fdf422d1f59ceeaa78f37bb 100644
--- a/drivers/platform/x86/intel_pmc_core.c
+++ b/drivers/platform/x86/intel_pmc_core.c
@@ -108,6 +108,7 @@ static const struct pmc_bit_map spt_ltr_show_map[] = {
 	{"SATA",		SPT_PMC_LTR_SATA},
 	{"GIGABIT_ETHERNET",	SPT_PMC_LTR_GBE},
 	{"XHCI",		SPT_PMC_LTR_XHCI},
+	{"Reserved",		SPT_PMC_LTR_RESERVED},
 	{"ME",			SPT_PMC_LTR_ME},
 	/* EVA is Enterprise Value Add, doesn't really exist on PCH */
 	{"EVA",			SPT_PMC_LTR_EVA},
@@ -276,6 +277,7 @@ static const struct pmc_bit_map cnp_ltr_show_map[] = {
 	{"SATA",		CNP_PMC_LTR_SATA},
 	{"GIGABIT_ETHERNET",	CNP_PMC_LTR_GBE},
 	{"XHCI",		CNP_PMC_LTR_XHCI},
+	{"Reserved",		CNP_PMC_LTR_RESERVED},
 	{"ME",			CNP_PMC_LTR_ME},
 	/* EVA is Enterprise Value Add, doesn't really exist on PCH */
 	{"EVA",			CNP_PMC_LTR_EVA},
diff --git a/drivers/platform/x86/intel_pmc_core.h b/drivers/platform/x86/intel_pmc_core.h
index 1a0104d2cbf01eb9550573c97002be1d9636c1be..0680ca397b57b73a484d41ffb51b02d58e6535be 100644
--- a/drivers/platform/x86/intel_pmc_core.h
+++ b/drivers/platform/x86/intel_pmc_core.h
@@ -46,6 +46,7 @@
 #define SPT_PMC_LTR_SATA			0x368
 #define SPT_PMC_LTR_GBE				0x36C
 #define SPT_PMC_LTR_XHCI			0x370
+#define SPT_PMC_LTR_RESERVED			0x374
 #define SPT_PMC_LTR_ME				0x378
 #define SPT_PMC_LTR_EVA				0x37C
 #define SPT_PMC_LTR_SPC				0x380
@@ -156,6 +157,7 @@ enum ppfear_regs {
 #define CNP_PMC_LTR_SATA			0x1B68
 #define CNP_PMC_LTR_GBE				0x1B6C
 #define CNP_PMC_LTR_XHCI			0x1B70
+#define CNP_PMC_LTR_RESERVED			0x1B74
 #define CNP_PMC_LTR_ME				0x1B78
 #define CNP_PMC_LTR_EVA				0x1B7C
 #define CNP_PMC_LTR_SPC				0x1B80