i7300_edac: Properly initialize per-csrow memory size

Due to the current edac-core limits, we cannot represent a per-channel
memory size, for FB-DIMM drivers. So, we need to sum-up all values
for each slot, in order to properly represent the total amount of
memory found by the i7300 driver.

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

1 files changed, 10 insertions, 7 deletions

diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c
index 38d9cb8fad7c..05523b504271 100644
--- a/drivers/edac/i7300_edac.c
+++ b/drivers/edac/i7300_edac.c
@@ -617,7 +617,7 @@ static int decode_mtr(struct i7300_pvt *pvt,
                       int slot, int ch, int branch,
                       struct i7300_dimm_info *dinfo,
                       struct csrow_info *p_csrow,
-                      u32 *last_page)
+                      u32 *nr_pages)
 {
         int mtr, ans, addrBits, channel;
 
@@ -649,6 +649,7 @@ static int decode_mtr(struct i7300_pvt *pvt,
         addrBits -= 3;  /* 8 bits per bytes */
 
         dinfo->megabytes = 1 << addrBits;
+        *nr_pages = dinfo->megabytes << 8;
 
         debugf2("\t\tWIDTH: x%d\n", MTR_DRAM_WIDTH(mtr));
 
@@ -662,12 +663,8 @@ static int decode_mtr(struct i7300_pvt *pvt,
         debugf2("\t\tSIZE: %d MB\n", dinfo->megabytes);
 
         p_csrow->grain = 8;
-        p_csrow->nr_pages = dinfo->megabytes << 8;
         p_csrow->mtype = MEM_FB_DDR2;
         p_csrow->csrow_idx = slot;
-        p_csrow->first_page = *last_page;
-        *last_page += p_csrow->nr_pages;
-        p_csrow->last_page = *last_page;
         p_csrow->page_mask = 0;
 
         /*
@@ -780,7 +777,7 @@ static int i7300_init_csrows(struct mem_ctl_info *mci)
         int rc = -ENODEV;
         int mtr;
         int ch, branch, slot, channel;
-        u32 last_page = 0;
+        u32 last_page = 0, nr_pages;
 
         pvt = mci->pvt_info;
 
@@ -818,11 +815,17 @@ static int i7300_init_csrows(struct mem_ctl_info *mci)
                                 p_csrow = &mci->csrows[slot];
 
                                 mtr = decode_mtr(pvt, slot, ch, branch,
-                                                 dinfo, p_csrow, &last_page);
+                                                 dinfo, p_csrow, &nr_pages);
                                 /* if no DIMMS on this row, continue */
                                 if (!MTR_DIMMS_PRESENT(mtr))
                                         continue;
 
+                                /* Update per_csrow memory count */
+                                p_csrow->nr_pages += nr_pages;
+                                p_csrow->first_page = last_page;
+                                last_page += nr_pages;
+                                p_csrow->last_page = last_page;
+
                                 rc = 0;
                         }
                 }