sb_edac: make RANK_CFG_A value part of sbridge_info

This is in preparation of Ivy Bridge support.

Signed-off-by: Aristeu Rozanski <arozansk@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index e04462b..3f8c890 100644 (file)
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -262,7 +262,7 @@ static const u32 correrrthrsld[] = {
 
 /* Device 17, function 0 */
 
-#define RANK_CFG_A             0x0328
+#define SB_RANK_CFG_A          0x0328
 
 #define IS_RDIMM_ENABLED(reg)          GET_BITFIELD(reg, 11, 11)
 
@@ -275,6 +275,7 @@ static const u32 correrrthrsld[] = {
 
 struct sbridge_info {
        u32     mcmtr;
+       u32     rankcfgr;
 };
 
 struct sbridge_channel {
@@ -520,6 +521,8 @@ static int get_dimm_config(struct mem_ctl_info *mci)
        enum edac_type mode;
        enum mem_type mtype;
 
+       pvt->info.rankcfgr = SB_RANK_CFG_A;
+
        pci_read_config_dword(pvt->pci_br, SAD_TARGET, &reg);
        pvt->sbridge_dev->source_id = SOURCE_ID(reg);
 
@@ -558,7 +561,8 @@ static int get_dimm_config(struct mem_ctl_info *mci)
        }
 
        if (pvt->pci_ddrio) {
-               pci_read_config_dword(pvt->pci_ddrio, RANK_CFG_A, &reg);
+               pci_read_config_dword(pvt->pci_ddrio, pvt->info.rankcfgr,
+                                     &reg);
                if (IS_RDIMM_ENABLED(reg)) {
                        /* FIXME: Can also be LRDIMM */
                        edac_dbg(0, "Memory is registered\n");