amd64_edac: cleanup amd64_decode_bus_error

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

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 75842f0..82f48ee 100644 (file)
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -2283,42 +2283,26 @@ static void amd64_handle_ue(struct mem_ctl_info *mci,
 }
 
 static void amd64_decode_bus_error(struct mem_ctl_info *mci,
-                                  struct err_regs *info)
+                                  struct err_regs *info, int ecc_type)
 {
        u32 ec  = ERROR_CODE(info->nbsl);
        u32 xec = EXT_ERROR_CODE(info->nbsl);
 
-       amd64_mc_printk(mci, KERN_ERR,
-               "BUS ERROR:\n"
-               "  time-out(%s) mem or i/o(%s)\n"
-               "  participating processor(%s)\n"
-               "  memory transaction type(%s)\n"
-               "  cache level(%s) Error Found by: %s\n",
-               TO_MSG(ec), II_MSG(ec), PP_MSG(ec), RRRR_MSG(ec), LL_MSG(ec),
-               (info->nbsh & K8_NBSH_ERR_SCRUBER) ?
-                       "Scrubber" : "Normal Operation");
+       pr_emerg(" Transaction type: %s(%s), %s, Cache Level: %s, %s\n",
+                RRRR_MSG(ec), II_MSG(ec), TO_MSG(ec), LL_MSG(ec), PP_MSG(ec));
 
 
        /* Bail early out if this was an 'observed' error */
        if (PP(ec) == K8_NBSL_PP_OBS)
                return;
 
-       /* Parse out the extended error code for ECC events */
-       switch (xec) {
-       /* F10 changed to one Extended ECC error code */
-       case F10_NBSL_EXT_ERR_RES:              /* Reserved field */
-       case F10_NBSL_EXT_ERR_ECC:              /* F10 ECC ext err code */
-               break;
-
-       default:
-               amd64_mc_printk(mci, KERN_ERR, "NOT ECC: no special error "
-                                              "handling for this error\n");
+       /* Do only ECC errors */
+       if (xec && xec != F10_NBSL_EXT_ERR_ECC)
                return;
-       }
 
-       if (info->nbsh & K8_NBSH_CECC)
+       if (ecc_type == 2)
                amd64_handle_ce(mci, info);
-       else if (info->nbsh & K8_NBSH_UECC)
+       else if (ecc_type == 1)
                amd64_handle_ue(mci, info);
 
        /*
@@ -2329,8 +2313,7 @@ static void amd64_decode_bus_error(struct mem_ctl_info *mci,
         * catastrophic.
         */
        if (info->nbsh & K8_NBSH_OVERFLOW)
-               edac_mc_handle_ce_no_info(mci, EDAC_MOD_STR
-                                         "Error Overflow set");
+               edac_mc_handle_ce_no_info(mci, EDAC_MOD_STR "Error Overflow");
 }
 
 void amd64_decode_nb_mce(struct mem_ctl_info *mci, struct err_regs *regs,
@@ -2397,7 +2380,7 @@ void amd64_decode_nb_mce(struct mem_ctl_info *mci, struct err_regs *regs,
                         RRRR_MSG(ec), TT_MSG(ec), LL_MSG(ec));
        } else if (BUS_ERROR(ec)) {
                pr_emerg(" Bus (Link/DRAM) error\n");
-               amd64_decode_bus_error(mci, regs);
+               amd64_decode_bus_error(mci, regs, ecc);
        } else {
                /* shouldn't reach here! */
                amd64_mc_printk(mci, KERN_WARNING,