i7300_edac: convert driver to use the new edac ABI

The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 30 insertions, 48 deletions

diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c
index d6f3a2d0f70a..c2cf9771692a 100644
--- a/drivers/edac/i7300_edac.c
+++ b/drivers/edac/i7300_edac.c
@@ -464,17 +464,14 @@ static void i7300_process_fbd_error(struct mem_ctl_info *mci)
                                 FERR_FAT_FBD, error_reg);
 
                 snprintf(pvt->tmp_prt_buffer, PAGE_SIZE,
-                        "FATAL (Branch=%d DRAM-Bank=%d %s "
-                        "RAS=%d CAS=%d Err=0x%lx (%s))",
-                        branch, bank,
-                        is_wr ? "RDWR" : "RD",
-                        ras, cas,
-                        errors, specific);
-
-                /* Call the helper to output message */
-                edac_mc_handle_fbd_ue(mci, rank, branch << 1,
-                                      (branch << 1) + 1,
-                                      pvt->tmp_prt_buffer);
+                         "Bank=%d RAS=%d CAS=%d Err=0x%lx (%s))",
+                         bank, ras, cas, errors, specific);
+
+                edac_mc_handle_error(HW_EVENT_ERR_FATAL, mci, 0, 0, 0,
+                                     branch, -1, rank,
+                                     is_wr ? "Write error" : "Read error",
+                                     pvt->tmp_prt_buffer, NULL);
+
         }
 
         /* read in the 1st NON-FATAL error register */
@@ -513,23 +510,14 @@ static void i7300_process_fbd_error(struct mem_ctl_info *mci)
 
                 /* Form out message */
                 snprintf(pvt->tmp_prt_buffer, PAGE_SIZE,
-                        "Corrected error (Branch=%d, Channel %d), "
-                        " DRAM-Bank=%d %s "
-                        "RAS=%d CAS=%d, CE Err=0x%lx, Syndrome=0x%08x(%s))",
-                        branch, channel,
-                        bank,
-                        is_wr ? "RDWR" : "RD",
-                        ras, cas,
-                        errors, syndrome, specific);
-
-                /*
-                 * Call the helper to output message
-                 * NOTE: Errors are reported per-branch, and not per-channel
-                 *       Currently, we don't know how to identify the right
-                 *       channel.
-                 */
-                edac_mc_handle_fbd_ce(mci, rank, channel,
-                                      pvt->tmp_prt_buffer);
+                         "DRAM-Bank=%d RAS=%d CAS=%d, Err=0x%lx (%s))",
+                         bank, ras, cas, errors, specific);
+
+                edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 0, 0,
+                                     syndrome,
+                                     branch >> 1, channel % 2, rank,
+                                     is_wr ? "Write error" : "Read error",
+                                     pvt->tmp_prt_buffer, NULL);
         }
         return;
 }
@@ -807,9 +795,10 @@ static int i7300_init_csrows(struct mem_ctl_info *mci)
                         for (ch = 0; ch < MAX_CH_PER_BRANCH; ch++) {
                                 int channel = to_channel(ch, branch);
 
-                                dinfo = &pvt->dimm_info[slot][channel];
+                                dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms,
+                                               mci->n_layers, branch, ch, slot);
 
-                                dimm = mci->csrows[slot].channels[branch * MAX_CH_PER_BRANCH + ch].dimm;
+                                dinfo = &pvt->dimm_info[slot][channel];
 
                                 mtr = decode_mtr(pvt, slot, ch, branch,
                                                  dinfo, dimm);
@@ -1034,10 +1023,8 @@ static int __devinit i7300_init_one(struct pci_dev *pdev,
                                     const struct pci_device_id *id)
 {
         struct mem_ctl_info *mci;
+        struct edac_mc_layer layers[3];
         struct i7300_pvt *pvt;
-        int num_channels;
-        int num_dimms_per_channel;
-        int num_csrows;
         int rc;
 
         /* wake up device */
@@ -1054,22 +1041,17 @@ static int __devinit i7300_init_one(struct pci_dev *pdev,
         if (PCI_FUNC(pdev->devfn) != 0)
                 return -ENODEV;
 
-        /* As we don't have a motherboard identification routine to determine
-         * actual number of slots/dimms per channel, we thus utilize the
-         * resource as specified by the chipset. Thus, we might have
-         * have more DIMMs per channel than actually on the mobo, but this
-         * allows the driver to support up to the chipset max, without
-         * some fancy mobo determination.
-         */
-        num_dimms_per_channel = MAX_SLOTS;
-        num_channels = MAX_CHANNELS;
-        num_csrows = MAX_SLOTS * MAX_CHANNELS;
-
-        debugf0("MC: %s(): Number of - Channels= %d  DIMMS= %d  CSROWS= %d\n",
-                __func__, num_channels, num_dimms_per_channel, num_csrows);
-
         /* allocate a new MC control structure */
-        mci = edac_mc_alloc(sizeof(*pvt), num_csrows, num_channels, 0);
+        layers[0].type = EDAC_MC_LAYER_BRANCH;
+        layers[0].size = MAX_BRANCHES;
+        layers[0].is_virt_csrow = false;
+        layers[1].type = EDAC_MC_LAYER_CHANNEL;
+        layers[1].size = MAX_CH_PER_BRANCH;
+        layers[1].is_virt_csrow = true;
+        layers[2].type = EDAC_MC_LAYER_SLOT;
+        layers[2].size = MAX_SLOTS;
+        layers[2].is_virt_csrow = true;
+        mci = new_edac_mc_alloc(0, ARRAY_SIZE(layers), layers, sizeof(*pvt));
 
         if (mci == NULL)
                 return -ENOMEM;