amd64_edac: remove early hw support check

The .probe_valid_hardware low_ops member checked whether the DCTs are in
DDR3 mode and bailed out if so. Now that all the needed changes for DDR3
support is in place, remove it.

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

2 files changed, 1 insertions, 47 deletions

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index d9cde7132e89..351334ead69d 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1739,42 +1739,6 @@ static void amd64_debug_display_dimm_sizes(int ctrl, struct amd64_pvt *pvt)
 }
 
 /*
- * Very early hardware probe on pci_probe thread to determine if this module
- * supports the hardware.
- *
- * Return:
- *      0 for OK
- *      1 for error
- */
-static int f10_probe_valid_hardware(struct amd64_pvt *pvt)
-{
-        int ret = 0;
-
-        /*
-         * If we are on a DDR3 machine, we don't know yet if
-         * we support that properly at this time
-         */
-        if ((pvt->dchr0 & DDR3_MODE) ||
-            (pvt->dchr1 & DDR3_MODE)) {
-
-                amd64_printk(KERN_WARNING,
-                        "%s() This machine is running with DDR3 memory. "
-                        "This is not currently supported. "
-                        "DCHR0=0x%x DCHR1=0x%x\n",
-                        __func__, pvt->dchr0, pvt->dchr1);
-
-                amd64_printk(KERN_WARNING,
-                        "   Contact '%s' module MAINTAINER to help add"
-                        " support.\n",
-                        EDAC_MOD_STR);
-
-                ret = 1;
-
-        }
-        return ret;
-}
-
-/*
  * There currently are 3 types type of MC devices for AMD Athlon/Opterons
  * (as per PCI DEVICE_IDs):
  *
@@ -1803,7 +1767,6 @@ static struct amd64_family_type amd64_family_types[] = {
                 .addr_f1_ctl = PCI_DEVICE_ID_AMD_10H_NB_MAP,
                 .misc_f3_ctl = PCI_DEVICE_ID_AMD_10H_NB_MISC,
                 .ops = {
-                        .probe_valid_hardware   = f10_probe_valid_hardware,
                         .early_channel_count    = f10_early_channel_count,
                         .get_error_address      = f10_get_error_address,
                         .read_dram_base_limit   = f10_read_dram_base_limit,
@@ -1817,7 +1780,6 @@ static struct amd64_family_type amd64_family_types[] = {
                 .addr_f1_ctl = PCI_DEVICE_ID_AMD_11H_NB_MAP,
                 .misc_f3_ctl = PCI_DEVICE_ID_AMD_11H_NB_MISC,
                 .ops = {
-                        .probe_valid_hardware   = f10_probe_valid_hardware,
                         .early_channel_count    = f10_early_channel_count,
                         .get_error_address      = f10_get_error_address,
                         .read_dram_base_limit   = f10_read_dram_base_limit,
@@ -2851,17 +2813,10 @@ static int amd64_init_2nd_stage(struct amd64_pvt *pvt)
 {
         int node_id = pvt->mc_node_id;
         struct mem_ctl_info *mci;
-        int ret, err = 0;
+        int ret;
 
         amd64_read_mc_registers(pvt);
 
-        ret = -ENODEV;
-        if (pvt->ops->probe_valid_hardware) {
-                err = pvt->ops->probe_valid_hardware(pvt);
-                if (err)
-                        goto err_exit;
-        }
-
         /*
          * We need to determine how many memory channels there are. Then use
          * that information for calculating the size of the dynamic instance
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index f8c187ea6e38..e84f164034dd 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -526,7 +526,6 @@ extern struct mcidev_sysfs_attribute amd64_dbg_attrs[NUM_DBG_ATTRS],
  * functions and per device encoding/decoding logic.
  */
 struct low_ops {
-        int (*probe_valid_hardware)     (struct amd64_pvt *pvt);
         int (*early_channel_count)      (struct amd64_pvt *pvt);
 
         u64 (*get_error_address)        (struct mem_ctl_info *mci,