The error handling functions have the pos[] array argument for
determing the dimm handle. Rework those functions to use the dimm
handle directly.

Signed-off-by: Robert Richter <rrich...@marvell.com>
---
 drivers/edac/edac_mc.c   | 28 +++++++++++++---------------
 drivers/edac/edac_mc.h   |  2 ++
 drivers/edac/ghes_edac.c |  6 +++++-
 3 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 6d880cf4d599..cdfb383f7a35 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -925,11 +925,9 @@ const char *edac_layer_name[] = {
 EXPORT_SYMBOL_GPL(edac_layer_name);
 
 static void edac_inc_ce_error(struct mem_ctl_info *mci,
-                             const int pos[EDAC_MAX_LAYERS],
+                             struct dimm_info *dimm,
                              const u16 count)
 {
-       struct dimm_info *dimm = edac_get_dimm(mci, pos[0], pos[1], pos[2]);
-
        mci->ce_mc += count;
 
        if (dimm)
@@ -939,11 +937,9 @@ static void edac_inc_ce_error(struct mem_ctl_info *mci,
 }
 
 static void edac_inc_ue_error(struct mem_ctl_info *mci,
-                                   const int pos[EDAC_MAX_LAYERS],
-                                   const u16 count)
+                             struct dimm_info *dimm,
+                             const u16 count)
 {
-       struct dimm_info *dimm = edac_get_dimm(mci, pos[0], pos[1], pos[2]);
-
        mci->ue_mc += count;
 
        if (dimm)
@@ -953,8 +949,8 @@ static void edac_inc_ue_error(struct mem_ctl_info *mci,
 }
 
 static void edac_ce_error(struct mem_ctl_info *mci,
+                         struct dimm_info *dimm,
                          const u16 error_count,
-                         const int pos[EDAC_MAX_LAYERS],
                          const char *msg,
                          const char *location,
                          const char *label,
@@ -982,7 +978,7 @@ static void edac_ce_error(struct mem_ctl_info *mci,
                                       error_count, msg, msg_aux, label,
                                       location, detail);
        }
-       edac_inc_ce_error(mci, pos, error_count);
+       edac_inc_ce_error(mci, dimm, error_count);
 
        if (mci->scrub_mode == SCRUB_SW_SRC) {
                /*
@@ -1006,8 +1002,8 @@ static void edac_ce_error(struct mem_ctl_info *mci,
 }
 
 static void edac_ue_error(struct mem_ctl_info *mci,
+                         struct dimm_info *dimm,
                          const u16 error_count,
-                         const int pos[EDAC_MAX_LAYERS],
                          const char *msg,
                          const char *location,
                          const char *label,
@@ -1041,15 +1037,15 @@ static void edac_ue_error(struct mem_ctl_info *mci,
                              msg, msg_aux, label, location, detail);
        }
 
-       edac_inc_ue_error(mci, pos, error_count);
+       edac_inc_ue_error(mci, dimm, error_count);
 }
 
 void edac_raw_mc_handle_error(const enum hw_event_mc_err_type type,
                              struct mem_ctl_info *mci,
+                             struct dimm_info *dimm,
                              struct edac_raw_error_desc *e)
 {
        char detail[80];
-       int pos[EDAC_MAX_LAYERS] = { e->top_layer, e->mid_layer, e->low_layer };
 
        /* Memory type dependent details about the error */
        if (type == HW_EVENT_ERR_CORRECTED) {
@@ -1057,7 +1053,7 @@ void edac_raw_mc_handle_error(const enum 
hw_event_mc_err_type type,
                        "page:0x%lx offset:0x%lx grain:%ld syndrome:0x%lx",
                        e->page_frame_number, e->offset_in_page,
                        e->grain, e->syndrome);
-               edac_ce_error(mci, e->error_count, pos, e->msg, e->location,
+               edac_ce_error(mci, dimm, e->error_count, e->msg, e->location,
                              e->label, detail, e->other_detail,
                              e->page_frame_number, e->offset_in_page, 
e->grain);
        } else {
@@ -1065,7 +1061,7 @@ void edac_raw_mc_handle_error(const enum 
hw_event_mc_err_type type,
                        "page:0x%lx offset:0x%lx grain:%ld",
                        e->page_frame_number, e->offset_in_page, e->grain);
 
-               edac_ue_error(mci, e->error_count, pos, e->msg, e->location,
+               edac_ue_error(mci, dimm, e->error_count, e->msg, e->location,
                              e->label, detail, e->other_detail);
        }
 
@@ -1245,6 +1241,8 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type 
type,
                               (e->page_frame_number << PAGE_SHIFT) | 
e->offset_in_page,
                               grain_bits, e->syndrome, e->other_detail);
 
-       edac_raw_mc_handle_error(type, mci, e);
+       dimm = edac_get_dimm(mci, top_layer, mid_layer, low_layer);
+
+       edac_raw_mc_handle_error(type, mci, dimm, e);
 }
 EXPORT_SYMBOL_GPL(edac_mc_handle_error);
diff --git a/drivers/edac/edac_mc.h b/drivers/edac/edac_mc.h
index 02aac5c61d00..2c3e2fbcedc4 100644
--- a/drivers/edac/edac_mc.h
+++ b/drivers/edac/edac_mc.h
@@ -214,6 +214,7 @@ extern int edac_mc_find_csrow_by_page(struct mem_ctl_info 
*mci,
  *
  * @type:              severity of the error (CE/UE/Fatal)
  * @mci:               a struct mem_ctl_info pointer
+ * @dimm:              a struct dimm_info pointer
  * @e:                 error description
  *
  * This raw function is used internally by edac_mc_handle_error(). It should
@@ -222,6 +223,7 @@ extern int edac_mc_find_csrow_by_page(struct mem_ctl_info 
*mci,
  */
 void edac_raw_mc_handle_error(const enum hw_event_mc_err_type type,
                              struct mem_ctl_info *mci,
+                             struct dimm_info *dimm,
                              struct edac_raw_error_desc *e);
 
 /**
diff --git a/drivers/edac/ghes_edac.c b/drivers/edac/ghes_edac.c
index e0b90c6d7d63..4f5721cf4380 100644
--- a/drivers/edac/ghes_edac.c
+++ b/drivers/edac/ghes_edac.c
@@ -193,6 +193,7 @@ static void ghes_edac_dmidecode(const struct dmi_header 
*dh, void *arg)
 
 void ghes_edac_report_mem_error(int sev, struct cper_sec_mem_err *mem_err)
 {
+       struct dimm_info *dimm;
        enum hw_event_mc_err_type type;
        struct edac_raw_error_desc *e;
        struct mem_ctl_info *mci;
@@ -437,7 +438,10 @@ void ghes_edac_report_mem_error(int sev, struct 
cper_sec_mem_err *mem_err)
                       (e->page_frame_number << PAGE_SHIFT) | e->offset_in_page,
                       grain_bits, e->syndrome, pvt->detail_location);
 
-       edac_raw_mc_handle_error(type, mci, e);
+       dimm = edac_get_dimm_by_index(mci, e->top_layer);
+
+       edac_raw_mc_handle_error(type, mci, dimm, e);
+
        spin_unlock_irqrestore(&ghes_lock, flags);
 }
 
-- 
2.20.1

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