amd64_edac: Fix DRAM base macros

Return unsigned u8 values only.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>

drivers/edac/amd64_edac.c

@@ -621,7 +621,6 @@ static u64 input_addr_to_dram_addr(struct mem_ctl_info *mci, u64 input_addr)
 	BUG_ON(node_id > 7);
 
 	intlv_shift = num_node_interleave_bits(dram_intlv_en(pvt, 0));
-
 	if (intlv_shift == 0) {
 		debugf1("    InputAddr 0x%lx translates to DramAddr of "
 			"same value\n",	(unsigned long)input_addr);
@@ -1192,7 +1191,7 @@ static void read_dram_ctl_register(struct amd64_pvt *pvt)
 static u8 f1x_determine_channel(struct amd64_pvt *pvt, u64 sys_addr,
 				bool hi_range_sel, u8 intlv_en)
 {
-	u32 dct_sel_high = (pvt->dct_sel_lo >> 1) & 1;
+	u8 dct_sel_high = (pvt->dct_sel_lo >> 1) & 1;
 
 	if (dct_ganging_enabled(pvt))
 		return 0;

drivers/edac/amd64_edac.h

@@ -180,10 +180,10 @@
 #define DRAM_BASE_LO			0x40
 #define DRAM_LIMIT_LO			0x44
 
-#define dram_intlv_en(pvt, i)		((pvt->ranges[i].base.lo >> 8) & 0x7)
-#define dram_rw(pvt, i)			(pvt->ranges[i].base.lo & 0x3)
-#define dram_intlv_sel(pvt, i)		((pvt->ranges[i].lim.lo >> 8) & 0x7)
-#define dram_dst_node(pvt, i)		(pvt->ranges[i].lim.lo & 0x7)
+#define dram_intlv_en(pvt, i)		((u8)((pvt->ranges[i].base.lo >> 8) & 0x7))
+#define dram_rw(pvt, i)			((u8)(pvt->ranges[i].base.lo & 0x3))
+#define dram_intlv_sel(pvt, i)		((u8)((pvt->ranges[i].lim.lo >> 8) & 0x7))
+#define dram_dst_node(pvt, i)		((u8)(pvt->ranges[i].lim.lo & 0x7))
 
 #define DHAR				0xf0
 #define dhar_valid(pvt)			((pvt)->dhar & BIT(0))