amd64_edac: Cleanup NBCTL code

Remove family names from macro names, drop single bit defines and
comment their meaning instead.

No functional change.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>

2 files changed, 8 insertions, 14 deletions

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 495b4d506671..9a8a31317071 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -2196,21 +2196,20 @@ static bool enable_ecc_error_reporting(struct ecc_settings *s, u8 nid,
                                        struct pci_dev *F3)
 {
         bool ret = true;
-        u32 value, mask = K8_NBCTL_CECCEn | K8_NBCTL_UECCEn;
+        u32 value, mask = 0x3;          /* UECC/CECC enable */
 
         if (toggle_ecc_err_reporting(s, nid, ON)) {
                 amd64_warn("Error enabling ECC reporting over MCGCTL!\n");
                 return false;
         }
 
-        amd64_read_pci_cfg(F3, K8_NBCTL, &value);
+        amd64_read_pci_cfg(F3, NBCTL, &value);
 
-        /* turn on UECCEn and CECCEn bits */
         s->old_nbctl   = value & mask;
         s->nbctl_valid = true;
 
         value |= mask;
-        amd64_write_pci_cfg(F3, K8_NBCTL, value);
+        amd64_write_pci_cfg(F3, NBCTL, value);
 
         amd64_read_pci_cfg(F3, K8_NBCFG, &value);
 
@@ -2250,16 +2249,17 @@ static bool enable_ecc_error_reporting(struct ecc_settings *s, u8 nid,
 static void restore_ecc_error_reporting(struct ecc_settings *s, u8 nid,
                                         struct pci_dev *F3)
 {
-        u32 value, mask = K8_NBCTL_CECCEn | K8_NBCTL_UECCEn;
+        u32 value, mask = 0x3;          /* UECC/CECC enable */
+
 
         if (!s->nbctl_valid)
                 return;
 
-        amd64_read_pci_cfg(F3, K8_NBCTL, &value);
+        amd64_read_pci_cfg(F3, NBCTL, &value);
         value &= ~mask;
         value |= s->old_nbctl;
 
-        amd64_write_pci_cfg(F3, K8_NBCTL, value);
+        amd64_write_pci_cfg(F3, NBCTL, value);
 
         /* restore previous BIOS DRAM ECC "off" setting we force-enabled */
         if (!s->flags.nb_ecc_prev) {
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 0244c612b3f2..fc609d1164a8 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -244,13 +244,7 @@
 /*
  * Function 3 - Misc Control
  */
-#define K8_NBCTL                        0x40
-
-/* Correctable ECC error reporting enable */
-#define K8_NBCTL_CECCEn                 BIT(0)
-
-/* UnCorrectable ECC error reporting enable */
-#define K8_NBCTL_UECCEn                 BIT(1)
+#define NBCTL                           0x40
 
 #define K8_NBCFG                        0x44
 #define K8_NBCFG_CHIPKILL               BIT(23)