diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 8521401bbd751406e6f2752e10868f63c7e3b48a..eca9ba193e94a914aa64740f0b4262b8f7c99b81 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1572,7 +1572,7 @@ static int f10_match_to_this_node(struct amd64_pvt *pvt, int dram_range,
 	debugf1("   HoleOffset=0x%x  HoleValid=0x%x IntlvSel=0x%x\n",
 			hole_off, hole_valid, intlv_sel);
 
-	if (intlv_en ||
+	if (intlv_en &&
 	    (intlv_sel != ((sys_addr >> 12) & intlv_en)))
 		return -EINVAL;
 
diff --git a/drivers/edac/edac_core.h b/drivers/edac/edac_core.h
index d7ca43a828bd3fe57b3de1341d7e75d1bed84f0a..251440cd50a3b41ea47f4511365909b707ebf0e8 100644
--- a/drivers/edac/edac_core.h
+++ b/drivers/edac/edac_core.h
@@ -41,10 +41,10 @@
 #define MC_PROC_NAME_MAX_LEN	7
 
 #if PAGE_SHIFT < 20
-#define PAGES_TO_MiB( pages )	( ( pages ) >> ( 20 - PAGE_SHIFT ) )
-#define MiB_TO_PAGES(mb)	((mb) >> (20 - PAGE_SHIFT))
+#define PAGES_TO_MiB(pages)	((pages) >> (20 - PAGE_SHIFT))
+#define MiB_TO_PAGES(mb)	((mb) << (20 - PAGE_SHIFT))
 #else				/* PAGE_SHIFT > 20 */
-#define PAGES_TO_MiB( pages )	( ( pages ) << ( PAGE_SHIFT - 20 ) )
+#define PAGES_TO_MiB(pages)	((pages) << (PAGE_SHIFT - 20))
 #define MiB_TO_PAGES(mb)	((mb) >> (PAGE_SHIFT - 20))
 #endif
 
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index ba6586a69ccce3b000fb22ee21512ab4673b44ac..795ea69c4d8f5fb6149c62fba8e085bd83363309 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -586,14 +586,16 @@ struct mem_ctl_info *edac_mc_del_mc(struct device *dev)
 		return NULL;
 	}
 
-	/* marking MCI offline */
-	mci->op_state = OP_OFFLINE;
-
 	del_mc_from_global_list(mci);
 	mutex_unlock(&mem_ctls_mutex);
 
-	/* flush workq processes and remove sysfs */
+	/* flush workq processes */
 	edac_mc_workq_teardown(mci);
+
+	/* marking MCI offline */
+	mci->op_state = OP_OFFLINE;
+
+	/* remove from sysfs */
 	edac_remove_sysfs_mci_device(mci);
 
 	edac_printk(KERN_INFO, EDAC_MC,