[PATCH RFCv2 13/16] edac: move nr_pages to dimm struct

From: Mauro Carvalho Chehab
Date: Sat Jan 28 2012 - 10:36:28 EST

The number of pages is a dimm property. Move it to the dimm
struct. After this change, it is possible to add sysfs nodes
for the DIMM's that will properly represent the physical socket
characteristics.

Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
---
drivers/edac/amd64_edac.c | 12 +++------
drivers/edac/amd76x_edac.c | 6 ++--
drivers/edac/cell_edac.c | 8 ++++--
drivers/edac/cpc925_edac.c | 8 ++++--
drivers/edac/e752x_edac.c | 6 +++-
drivers/edac/e7xxx_edac.c | 5 ++-
drivers/edac/edac_mc.c | 29 +++++++++++++---------
drivers/edac/edac_mc_sysfs.c | 52 ++++++++++++++++++++++++++++++----------
drivers/edac/i3000_edac.c | 6 +++-
drivers/edac/i3200_edac.c | 3 +-
drivers/edac/i5000_edac.c | 14 ++++++----
drivers/edac/i5100_edac.c | 10 +-------
drivers/edac/i5400_edac.c | 3 +-
drivers/edac/i7300_edac.c | 17 ++----------
drivers/edac/i7core_edac.c | 9 +-----
drivers/edac/i82443bxgx_edac.c | 2 +-
drivers/edac/i82860_edac.c | 2 +-
drivers/edac/i82875p_edac.c | 5 ++-
drivers/edac/i82975x_edac.c | 6 +++-
drivers/edac/mpc85xx_edac.c | 3 +-
drivers/edac/mv64x60_edac.c | 3 +-
drivers/edac/pasemi_edac.c | 14 +++++-----
drivers/edac/ppc4xx_edac.c | 5 ++-
drivers/edac/r82600_edac.c | 3 +-
drivers/edac/sb_edac.c | 5 +---
drivers/edac/tile_edac.c | 2 +-
drivers/edac/x38_edac.c | 4 +-
include/linux/edac.h | 10 ++++---
28 files changed, 135 insertions(+), 117 deletions(-)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index b1b1551..613d5f1 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -2126,14 +2126,8 @@ static u32 amd64_csrow_nr_pages(struct amd64_pvt *pvt, u8 dct, int csrow_nr)

nr_pages = pvt->ops->dbam_to_cs(pvt, dct, cs_mode) << (20 - PAGE_SHIFT);

- /*
- * If dual channel then double the memory size of single channel.
- * Channel count is 1 or 2
- */
- nr_pages <<= (pvt->channel_count - 1);
-
debugf0(" (csrow=%d) DBAM map index= %d\n", csrow_nr, cs_mode);
- debugf0(" nr_pages= %u channel-count = %d\n",
+ debugf0(" nr_pages/dimm= %u channel-count = %d\n",
nr_pages, pvt->channel_count);

return nr_pages;
@@ -2174,7 +2168,7 @@ static int init_csrows(struct mem_ctl_info *mci)
i, pvt->mc_node_id);

empty = 0;
- csrow->nr_pages = amd64_csrow_nr_pages(pvt, 0, i);
+ nr_pages = amd64_csrow_nr_pages(pvt, 0, i);
get_cs_base_and_mask(pvt, i, 0, &base, &mask);
/* 8 bytes of resolution */

@@ -2192,6 +2186,8 @@ static int init_csrows(struct mem_ctl_info *mci)
for (j = 0; j < pvt->channel_count; j++) {
csrow->channels[j].dimm->mtype = mtype;
csrow->channels[j].dimm->edac_mode = edac_mode;
+ csrow->channels[j].dimm->n_pages = npages;
+
}

debugf1(" for MC node %d csrow %d:\n", pvt->mc_node_id, i);
diff --git a/drivers/edac/amd76x_edac.c b/drivers/edac/amd76x_edac.c
index 2a63ed0..1532750 100644
--- a/drivers/edac/amd76x_edac.c
+++ b/drivers/edac/amd76x_edac.c
@@ -205,10 +205,10 @@ static void amd76x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
mba_mask = ((mba & 0xff80) << 16) | 0x7fffffUL;
pci_read_config_dword(pdev, AMD76X_DRAM_MODE_STATUS, &dms);
csrow->first_page = mba_base >> PAGE_SHIFT;
- csrow->nr_pages = (mba_mask + 1) >> PAGE_SHIFT;
- csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
+ dimm->nr_pages = (mba_mask + 1) >> PAGE_SHIFT;
+ csrow->last_page = csrow->first_page + dimm->nr_pages - 1;
csrow->page_mask = mba_mask >> PAGE_SHIFT;
- dimm->grain = csrow->nr_pages << PAGE_SHIFT;
+ dimm->grain = dimm->nr_pages << PAGE_SHIFT;
dimm->mtype = MEM_RDDR;
dimm->dtype = ((dms >> index) & 0x1) ? DEV_X4 : DEV_UNKNOWN;
dimm->edac_mode = edac_mode;
diff --git a/drivers/edac/cell_edac.c b/drivers/edac/cell_edac.c
index 94fbb12..09e1b5d 100644
--- a/drivers/edac/cell_edac.c
+++ b/drivers/edac/cell_edac.c
@@ -128,6 +128,7 @@ static void __devinit cell_edac_init_csrows(struct mem_ctl_info *mci)
struct cell_edac_priv *priv = mci->pvt_info;
struct device_node *np;
int j;
+ u32 nr_pages;

for (np = NULL;
(np = of_find_node_by_name(np, "memory")) != NULL;) {
@@ -142,19 +143,20 @@ static void __devinit cell_edac_init_csrows(struct mem_ctl_info *mci)
if (of_node_to_nid(np) != priv->node)
continue;
csrow->first_page = r.start >> PAGE_SHIFT;
- csrow->nr_pages = resource_size(&r) >> PAGE_SHIFT;
- csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
+ nr_pages = resource_size(&r) >> PAGE_SHIFT;
+ csrow->last_page = csrow->first_page + nr_pages - 1;

for (j = 0; j < csrow->nr_channels; j++) {
dimm = csrow->channels[j].dimm;
dimm->mtype = MEM_XDR;
dimm->edac_mode = EDAC_SECDED;
+ dimm->nr_pages = nr_pages / csrow->nr_channels;
}
dev_dbg(mci->dev,
"Initialized on node %d, chanmask=0x%x,"
" first_page=0x%lx, nr_pages=0x%x\n",
priv->node, priv->chanmask,
- csrow->first_page, csrow->nr_pages);
+ csrow->first_page, dimm->nr_pages);
break;
}
}
diff --git a/drivers/edac/cpc925_edac.c b/drivers/edac/cpc925_edac.c
index ee90f3d..7b764a8 100644
--- a/drivers/edac/cpc925_edac.c
+++ b/drivers/edac/cpc925_edac.c
@@ -332,7 +332,7 @@ static void cpc925_init_csrows(struct mem_ctl_info *mci)
struct dimm_info *dimm;
int index, j;
u32 mbmr, mbbar, bba;
- unsigned long row_size, last_nr_pages = 0;
+ unsigned long row_size, nr_pages, last_nr_pages = 0;

get_total_mem(pdata);

@@ -351,12 +351,14 @@ static void cpc925_init_csrows(struct mem_ctl_info *mci)

row_size = bba * (1UL << 28); /* 256M */
csrow->first_page = last_nr_pages;
- csrow->nr_pages = row_size >> PAGE_SHIFT;
- csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
+ nr_pages = row_size >> PAGE_SHIFT;
+ csrow->last_page = csrow->first_page + nr_pages - 1;
last_nr_pages = csrow->last_page + 1;

for (j = 0; j < csrow->nr_channels; j++) {
dimm = csrow->channels[j].dimm;
+
+ dimm->nr_pages = nr_pages / csrow->nr_channels;
dimm->mtype = MEM_RDDR;
dimm->edac_mode = EDAC_SECDED;

diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index db291ea..310f657 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -1044,7 +1044,7 @@ static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
int drc_drbg; /* DRB granularity 0=64mb, 1=128mb */
int drc_ddim; /* DRAM Data Integrity Mode 0=none, 2=edac */
u8 value;
- u32 dra, drc, cumul_size, i;
+ u32 dra, drc, cumul_size, i, nr_pages;

dra = 0;
for (index = 0; index < 4; index++) {
@@ -1078,11 +1078,13 @@ static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,

csrow->first_page = last_cumul_size;
csrow->last_page = cumul_size - 1;
- csrow->nr_pages = cumul_size - last_cumul_size;
+ nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;

for (i = 0; i < drc_chan + 1; i++) {
struct dimm_info *dimm = csrow->channels[i].dimm;
+
+ dimm->nr_pages = nr_pages / drc_chan;
dimm->grain = 1 << 12; /* 4KiB - resolution of CELOG */
dimm->mtype = MEM_RDDR; /* only one type supported */
dimm->dtype = mem_dev ? DEV_X4 : DEV_X8;
diff --git a/drivers/edac/e7xxx_edac.c b/drivers/edac/e7xxx_edac.c
index 178d2af..2005d80 100644
--- a/drivers/edac/e7xxx_edac.c
+++ b/drivers/edac/e7xxx_edac.c
@@ -349,7 +349,7 @@ static void e7xxx_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
unsigned long last_cumul_size;
int index, j;
u8 value;
- u32 dra, cumul_size;
+ u32 dra, cumul_size, nr_pages;
int drc_chan, drc_drbg, drc_ddim, mem_dev;
struct csrow_info *csrow;
struct dimm_info *dimm;
@@ -380,12 +380,13 @@ static void e7xxx_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,

csrow->first_page = last_cumul_size;
csrow->last_page = cumul_size - 1;
- csrow->nr_pages = cumul_size - last_cumul_size;
+ nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;

for (j = 0; j < drc_chan + 1; j++) {
dimm = csrow->channels[j].dimm;

+ dimm->nr_pages = nr_pages / drc_chan;
dimm->grain = 1 << 12; /* 4KiB - resolution of CELOG */
dimm->mtype = MEM_RDDR; /* only one type supported */
dimm->dtype = mem_dev ? DEV_X4 : DEV_X8;
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 3ceddae..f33d603 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -47,22 +47,23 @@ static void edac_mc_dump_channel(struct csrow_channel_info *chan)
{
debugf4("\tchannel = %p\n", chan);
debugf4("\tchannel->chan_idx = %d\n", chan->chan_idx);
- debugf4("\tchannel->ce_count = %d\n", chan->dimm->ce_count);
- debugf4("\tchannel->label = '%s'\n", chan->dimm->label);
debugf4("\tchannel->csrow = %p\n\n", chan->csrow);
+
+ debugf4("\tdimm->ce_count = %d\n", chan->dimm->ce_count);
+ debugf4("\tdimm->label = '%s'\n", chan->dimm->label);
+ debugf4("\tdimm->nr_pages = 0x%x\n", chan->dimm->nr_pages);
}

static void edac_mc_dump_csrow(struct csrow_info *csrow)
{
debugf4("\tcsrow = %p\n", csrow);
debugf4("\tcsrow->csrow_idx = %d\n", csrow->csrow_idx);
- debugf4("\tcsrow->first_page = 0x%lx\n", csrow->first_page);
- debugf4("\tcsrow->last_page = 0x%lx\n", csrow->last_page);
- debugf4("\tcsrow->page_mask = 0x%lx\n", csrow->page_mask);
- debugf4("\tcsrow->nr_pages = 0x%x\n", csrow->nr_pages);
debugf4("\tcsrow->nr_channels = %d\n", csrow->nr_channels);
debugf4("\tcsrow->channels = %p\n", csrow->channels);
debugf4("\tcsrow->mci = %p\n\n", csrow->mci);
+ debugf4("\tcsrow->first_page = 0x%lx\n", csrow->first_page);
+ debugf4("\tcsrow->last_page = 0x%lx\n", csrow->last_page);
+ debugf4("\tcsrow->page_mask = 0x%lx\n", csrow->page_mask);
}

static void edac_mc_dump_mci(struct mem_ctl_info *mci)
@@ -663,15 +664,19 @@ static void edac_mc_scrub_block(unsigned long page, unsigned long offset,
int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci, unsigned long page)
{
struct csrow_info *csrows = mci->csrows;
- int row, i;
+ int row, i, j, n;

debugf1("MC%d: %s(): 0x%lx\n", mci->mc_idx, __func__, page);
row = -1;

for (i = 0; i < mci->nr_csrows; i++) {
struct csrow_info *csrow = &csrows[i];
-
- if (csrow->nr_pages == 0)
+ n = 0;
+ for (j = 0; j < csrow->nr_channels; j++) {
+ struct dimm_info *dimm = csrow->channels[j].dimm;
+ n += dimm->nr_pages;
+ }
+ if (n == 0)
continue;

debugf3("MC%d: %s(): first(0x%lx) page(0x%lx) last(0x%lx) "
@@ -680,9 +685,9 @@ int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci, unsigned long page)
csrow->page_mask);

if ((page >= csrow->first_page) &&
- (page <= csrow->last_page) &&
- ((page & csrow->page_mask) ==
- (csrow->first_page & csrow->page_mask))) {
+ (page <= csrow->last_page) &&
+ ((page & csrow->page_mask) ==
+ (csrow->first_page & csrow->page_mask))) {
row = i;
break;
}
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 1571d99..62b5029 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -144,7 +144,7 @@ static ssize_t csrow_ce_count_show(struct csrow_info *csrow, char *data,
static ssize_t csrow_size_show(struct csrow_info *csrow, char *data,
int private)
{
- return sprintf(data, "%u\n", PAGES_TO_MiB(csrow->nr_pages));
+ return sprintf(data, "%u\n", PAGES_TO_MiB(csrow->channels[0].dimm->nr_pages));
}

static ssize_t csrow_mem_type_show(struct csrow_info *csrow, char *data,
@@ -674,16 +674,17 @@ static ssize_t mci_ctl_name_show(struct mem_ctl_info *mci, char *data)

static ssize_t mci_size_mb_show(struct mem_ctl_info *mci, char *data)
{
- int total_pages, csrow_idx;
+ int total_pages, csrow_idx, j;

for (total_pages = csrow_idx = 0; csrow_idx < mci->nr_csrows;
- csrow_idx++) {
+ csrow_idx++) {
struct csrow_info *csrow = &mci->csrows[csrow_idx];

- if (!csrow->nr_pages)
- continue;
+ for (j = 0; j < csrow->nr_channels; j++) {
+ struct dimm_info *dimm = csrow->channels[j].dimm;

- total_pages += csrow->nr_pages;
+ total_pages += dimm->nr_pages;
+ }
}

return sprintf(data, "%u\n", PAGES_TO_MiB(total_pages));
@@ -1089,10 +1090,15 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
/* Make directories for each CSROW object under the mc<id> kobject
*/
for (i = 0; i < mci->nr_csrows; i++) {
+ int n = 0;
+
csrow = &mci->csrows[i];
+ for (j = 0; j < csrow->nr_channels; j++) {
+ struct dimm_info *dimm = csrow->channels[j].dimm;
+ n += dimm->nr_pages;
+ }

- /* Only expose populated CSROWs */
- if (csrow->nr_pages > 0) {
+ if (n > 0) {
err = edac_create_csrow_object(mci, csrow, i);
if (err) {
debugf1("%s() failure: create csrow %d obj\n",
@@ -1106,6 +1112,9 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
* Make directories for each DIMM object under the mc<id> kobject
*/
for (j = 0; j < mci->nr_dimms; j++) {
+ /* Only expose populated CSROWs */
+ if (mci->dimms[j].nr_pages == 0)
+ continue;
err = edac_create_dimm_object(mci, &mci->dimms[j] , j);
if (err) {
debugf1("%s() failure: create dimm %d obj\n",
@@ -1117,13 +1126,22 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
return 0;

fail2:
- for (j--; j >= 0; j--)
- kobject_put(&mci->dimms[i].kobj);
+ for (j--; j >= 0; j--) {
+ if (mci->dimms[j].nr_pages)
+ kobject_put(&mci->dimms[i].kobj);
+ }

/* CSROW error: backout what has already been registered, */
fail1:
for (i--; i >= 0; i--) {
- if (mci->csrows[i].nr_pages > 0) {
+ int n = 0;
+
+ csrow = &mci->csrows[i];
+ for (j = 0; j < csrow->nr_channels; j++) {
+ struct dimm_info *dimm = csrow->channels[j].dimm;
+ n += dimm->nr_pages;
+ }
+ if (n > 0) {
kobject_put(&mci->csrows[i].kobj);
}
}
@@ -1144,7 +1162,8 @@ fail0:
*/
void edac_remove_sysfs_mci_device(struct mem_ctl_info *mci)
{
- int i;
+ struct csrow_info *csrow;
+ int i, j;

debugf0("%s()\n", __func__);

@@ -1155,7 +1174,14 @@ void edac_remove_sysfs_mci_device(struct mem_ctl_info *mci)
kobject_put(&mci->dimms[i].kobj);
}
for (i = 0; i < mci->nr_csrows; i++) {
- if (mci->csrows[i].nr_pages > 0) {
+ int n = 0;
+
+ csrow = &mci->csrows[i];
+ for (j = 0; j < csrow->nr_channels; j++) {
+ struct dimm_info *dimm = csrow->channels[j].dimm;
+ n += dimm->nr_pages;
+ }
+ if (n > 0) {
debugf0("%s() unreg csrow-%d\n", __func__, i);
kobject_put(&mci->csrows[i].kobj);
}
diff --git a/drivers/edac/i3000_edac.c b/drivers/edac/i3000_edac.c
index 1498c5f..bf8a230 100644
--- a/drivers/edac/i3000_edac.c
+++ b/drivers/edac/i3000_edac.c
@@ -306,7 +306,7 @@ static int i3000_probe1(struct pci_dev *pdev, int dev_idx)
int rc;
int i, j;
struct mem_ctl_info *mci = NULL;
- unsigned long last_cumul_size;
+ unsigned long last_cumul_size, nr_pages;
int interleaved, nr_channels;
unsigned char dra[I3000_RANKS / 2], drb[I3000_RANKS];
unsigned char *c0dra = dra, *c1dra = &dra[I3000_RANKS_PER_CHANNEL / 2];
@@ -391,11 +391,13 @@ static int i3000_probe1(struct pci_dev *pdev, int dev_idx)

csrow->first_page = last_cumul_size;
csrow->last_page = cumul_size - 1;
- csrow->nr_pages = cumul_size - last_cumul_size;
+ nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;

for (j = 0; j < nr_channels; j++) {
struct dimm_info *dimm = csrow->channels[j].dimm;
+
+ dimm->nr_pages = nr_pages / nr_channels;
dimm->grain = I3000_DEAP_GRAIN;
dimm->mtype = MEM_DDR2;
dimm->dtype = DEV_UNKNOWN;
diff --git a/drivers/edac/i3200_edac.c b/drivers/edac/i3200_edac.c
index 8086693..b3dc867 100644
--- a/drivers/edac/i3200_edac.c
+++ b/drivers/edac/i3200_edac.c
@@ -387,11 +387,10 @@ static int i3200_probe1(struct pci_dev *pdev, int dev_idx)
if (nr_pages == 0)
continue;

- csrow->nr_pages = nr_pages;
-
for (j = 0; j < nr_channels; j++) {
struct dimm_info *dimm = csrow->channels[j].dimm;

+ dimm->nr_pages = nr_pages / nr_channels;
dimm->grain = nr_pages << PAGE_SHIFT;
dimm->mtype = MEM_DDR2;
dimm->dtype = DEV_UNKNOWN;
diff --git a/drivers/edac/i5000_edac.c b/drivers/edac/i5000_edac.c
index f00f684..e8d32e8 100644
--- a/drivers/edac/i5000_edac.c
+++ b/drivers/edac/i5000_edac.c
@@ -1236,6 +1236,7 @@ static int i5000_init_csrows(struct mem_ctl_info *mci)
{
struct i5000_pvt *pvt;
struct csrow_info *p_csrow;
+ struct dimm_info *dimm;
int empty, channel_count;
int max_csrows;
int mtr, mtr1;
@@ -1265,21 +1266,22 @@ static int i5000_init_csrows(struct mem_ctl_info *mci)

csrow_megs = 0;
for (channel = 0; channel < pvt->maxch; channel++) {
+ dimm = p_csrow->channels[channel].dimm;
csrow_megs += pvt->dimm_info[csrow][channel].megabytes;
- p_csrow->channels[channel].dimm->grain = 8;
+ dimm->grain = 8;

/* Assume DDR2 for now */
- p_csrow->channels[channel].dimm->mtype = MEM_FB_DDR2;
+ dimm->mtype = MEM_FB_DDR2;

/* ask what device type on this row */
if (MTR_DRAM_WIDTH(mtr))
- p_csrow->channels[channel].dimm->dtype = DEV_X8;
+ dimm->dtype = DEV_X8;
else
- p_csrow->channels[channel].dimm->dtype = DEV_X4;
+ dimm->dtype = DEV_X4;

- p_csrow->channels[channel].dimm->edac_mode = EDAC_S8ECD8ED;
+ dimm->edac_mode = EDAC_S8ECD8ED;
+ dimm->nr_pages = (csrow_megs << 8) / pvt->maxch;
}
- p_csrow->nr_pages = csrow_megs << 8;

empty = 0;
}
diff --git a/drivers/edac/i5100_edac.c b/drivers/edac/i5100_edac.c
index 76489dc..075d3c7 100644
--- a/drivers/edac/i5100_edac.c
+++ b/drivers/edac/i5100_edac.c
@@ -861,18 +861,10 @@ static void __devinit i5100_init_csrows(struct mem_ctl_info *mci)
if (!npages)
continue;

- /*
- * FIXME: these two are totally bogus -- I don't see how to
- * map them correctly to this structure...
- */
- mci->csrows[i].nr_pages = npages;
- mci->csrows[i].csrow_idx = i;
- mci->csrows[i].mci = mci;
- mci->csrows[i].nr_channels = 1;
- mci->csrows[i].channels[0].csrow = mci->csrows + i;
total_pages += npages;

mci->csrows[i].channels[0].dimm = dimm;
+ dimm->nr_pages = npages;
dimm->location.mc_channel = chan;
dimm->location.mc_dimm_number = rank;
dimm->grain = 32;
diff --git a/drivers/edac/i5400_edac.c b/drivers/edac/i5400_edac.c
index 015a368..cbba3df 100644
--- a/drivers/edac/i5400_edac.c
+++ b/drivers/edac/i5400_edac.c
@@ -1165,8 +1165,7 @@ static int i5400_init_csrows(struct mem_ctl_info *mci)
for (channel = 0; channel < pvt->maxch; channel++)
csrow_megs += pvt->dimm_info[csrow][channel].megabytes;

- p_csrow->nr_pages = csrow_megs << 8;
-
+ dimm->nr_pages = csrow_megs << 8;
dimm->location.mc_channel = channel;
dimm->location.mc_dimm_number = csrow / pvt->maxch;
dimm->grain = 8;
diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c
index 30453fa..73969d0 100644
--- a/drivers/edac/i7300_edac.c
+++ b/drivers/edac/i7300_edac.c
@@ -617,9 +617,7 @@ static void i7300_enable_error_reporting(struct mem_ctl_info *mci)
static int decode_mtr(struct i7300_pvt *pvt,
int slot, int ch, int branch,
struct i7300_dimm_info *dinfo,
- struct csrow_info *p_csrow,
- struct dimm_info *dimm,
- u32 *nr_pages)
+ struct dimm_info *dimm)
{
int mtr, ans, addrBits, channel;

@@ -651,7 +649,6 @@ 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));

@@ -664,8 +661,6 @@ static int decode_mtr(struct i7300_pvt *pvt,
debugf2("\t\tNUMCOL: %s\n", numcol_toString[MTR_DIMM_COLS(mtr)]);
debugf2("\t\tSIZE: %d MB\n", dinfo->megabytes);

- p_csrow->csrow_idx = slot;
-
/*
* The type of error detection actually depends of the
* mode of operation. When it is just one single memory chip, at
@@ -675,6 +670,7 @@ static int decode_mtr(struct i7300_pvt *pvt,
* See datasheet Sections 7.3.6 to 7.3.8
*/

+ dimm->nr_pages = MiB_TO_PAGES(dinfo->megabytes);
dimm->grain = 8;
dimm->mtype = MEM_FB_DDR2;
if (IS_SINGLE_MODE(pvt->mc_settings_a)) {
@@ -774,7 +770,6 @@ static int i7300_init_csrows(struct mem_ctl_info *mci)
{
struct i7300_pvt *pvt;
struct i7300_dimm_info *dinfo;
- struct csrow_info *p_csrow;
int rc = -ENODEV;
int mtr;
int ch, branch, slot, channel;
@@ -807,7 +802,6 @@ static int i7300_init_csrows(struct mem_ctl_info *mci)
dimm = mci->dimms;
mci->dimm_loc_type = DIMM_LOC_MC_CHANNEL;
mci->nr_dimms = 0;
- nr_pages = 0;
for (slot = 0; slot < MAX_SLOTS; slot++) {
int where = mtr_regs[slot];
for (branch = 0; branch < MAX_BRANCHES; branch++) {
@@ -818,21 +812,16 @@ static int i7300_init_csrows(struct mem_ctl_info *mci)
int channel = to_channel(ch, branch);

dinfo = &pvt->dimm_info[slot][channel];
- p_csrow = &mci->csrows[slot];

dimm->location.mc_channel = channel;
dimm->location.mc_dimm_number = slot;

mtr = decode_mtr(pvt, slot, ch, branch,
- dinfo, p_csrow, dimm,
- &nr_pages);
+ dinfo, dimm);
/* if no DIMMS on this row, continue */
if (!MTR_DIMMS_PRESENT(mtr))
continue;

- /* Update per_csrow memory count */
- p_csrow->nr_pages += nr_pages;
-
rc = 0;

mci->nr_dimms++;
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 4425ab9..cbee6ad 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -718,16 +718,11 @@ static int get_dimm_config(struct mem_ctl_info *mci)
npages = MiB_TO_PAGES(size);

csr = &mci->csrows[csrow];
- csr->nr_pages = npages;
-
- csr->csrow_idx = csrow;
- csr->nr_channels = 1;
-
- csr->channels[0].chan_idx = i;
- csr->channels[0].ce_count = 0;

pvt->csrow_map[i][j] = csrow;

+ dimm->nr_pages = npages;
+
switch (banks) {
case 4:
dimm->dtype = DEV_X4;
diff --git a/drivers/edac/i82443bxgx_edac.c b/drivers/edac/i82443bxgx_edac.c
index 1e19492..74166ae 100644
--- a/drivers/edac/i82443bxgx_edac.c
+++ b/drivers/edac/i82443bxgx_edac.c
@@ -220,7 +220,7 @@ static void i82443bxgx_init_csrows(struct mem_ctl_info *mci,
row_base = row_high_limit_last;
csrow->first_page = row_base >> PAGE_SHIFT;
csrow->last_page = (row_high_limit >> PAGE_SHIFT) - 1;
- csrow->nr_pages = csrow->last_page - csrow->first_page + 1;
+ dimm->nr_pages = csrow->last_page - csrow->first_page + 1;
/* EAP reports in 4kilobyte granularity [61] */
dimm->grain = 1 << 12;
dimm->mtype = mtype;
diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c
index acbd924..48e0ecd 100644
--- a/drivers/edac/i82860_edac.c
+++ b/drivers/edac/i82860_edac.c
@@ -167,7 +167,7 @@ static void i82860_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev)

csrow->first_page = last_cumul_size;
csrow->last_page = cumul_size - 1;
- csrow->nr_pages = cumul_size - last_cumul_size;
+ dimm->nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;
dimm->grain = 1 << 12; /* I82860_EAP has 4KiB reolution */
dimm->mtype = MEM_RMBS;
diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c
index 81f79e2..dc207dc 100644
--- a/drivers/edac/i82875p_edac.c
+++ b/drivers/edac/i82875p_edac.c
@@ -347,7 +347,7 @@ static void i82875p_init_csrows(struct mem_ctl_info *mci,
unsigned long last_cumul_size;
u8 value;
u32 drc_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */
- u32 cumul_size;
+ u32 cumul_size, nr_pages;
int index, j;

drc_ddim = (drc >> 18) & 0x1;
@@ -371,12 +371,13 @@ static void i82875p_init_csrows(struct mem_ctl_info *mci,

csrow->first_page = last_cumul_size;
csrow->last_page = cumul_size - 1;
- csrow->nr_pages = cumul_size - last_cumul_size;
+ nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;

for (j = 0; j < nr_chans; j++) {
dimm = csrow->channels[j].dimm;

+ dimm->nr_pages = nr_pages / nr_chans;
dimm->grain = 1 << 12; /* I82875P_EAP has 4KiB reolution */
dimm->mtype = MEM_DDR;
dimm->dtype = DEV_UNKNOWN;
diff --git a/drivers/edac/i82975x_edac.c b/drivers/edac/i82975x_edac.c
index 9e1bca5..b70ea1e 100644
--- a/drivers/edac/i82975x_edac.c
+++ b/drivers/edac/i82975x_edac.c
@@ -362,7 +362,7 @@ static void i82975x_init_csrows(struct mem_ctl_info *mci,
struct csrow_info *csrow;
unsigned long last_cumul_size;
u8 value;
- u32 cumul_size;
+ u32 cumul_size, nr_pages;
int index, chan;
struct dimm_info *dimm;
enum dev_type dtype;
@@ -397,6 +397,7 @@ static void i82975x_init_csrows(struct mem_ctl_info *mci,
debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index,
cumul_size);

+ nr_pages = cumul_size - last_cumul_size;
/*
* Initialise dram labels
* index values:
@@ -406,6 +407,8 @@ static void i82975x_init_csrows(struct mem_ctl_info *mci,
dtype = i82975x_dram_type(mch_window, index);
for (chan = 0; chan < csrow->nr_channels; chan++) {
mci->csrows[index].channels[chan].dimm = dimm;
+
+ dimm->nr_pages = nr_pages / csrow->nr_channels;
dimm->location.csrow = index;
dimm->location.csrow_channel = chan;
strncpy(csrow->channels[chan].dimm->label,
@@ -424,7 +427,6 @@ static void i82975x_init_csrows(struct mem_ctl_info *mci,

csrow->first_page = last_cumul_size;
csrow->last_page = cumul_size - 1;
- csrow->nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;
}
}
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index fb92916..c1d9e15 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -947,7 +947,8 @@ static void __devinit mpc85xx_init_csrows(struct mem_ctl_info *mci)

csrow->first_page = start;
csrow->last_page = end;
- csrow->nr_pages = end + 1 - start;
+
+ dimm->nr_pages = end + 1 - start;
dimm->grain = 8;
dimm->mtype = mtype;
dimm->dtype = DEV_UNKNOWN;
diff --git a/drivers/edac/mv64x60_edac.c b/drivers/edac/mv64x60_edac.c
index d2e3c39..281e245 100644
--- a/drivers/edac/mv64x60_edac.c
+++ b/drivers/edac/mv64x60_edac.c
@@ -667,7 +667,8 @@ static void mv64x60_init_csrows(struct mem_ctl_info *mci,

csrow = &mci->csrows[0];
dimm = csrow->channels[0].dimm;
- csrow->nr_pages = pdata->total_mem >> PAGE_SHIFT;
+
+ dimm->nr_pages = pdata->total_mem >> PAGE_SHIFT;
dimm->grain = 8;

dimm->mtype = (ctl & MV64X60_SDRAM_REGISTERED) ? MEM_RDDR : MEM_DDR;
diff --git a/drivers/edac/pasemi_edac.c b/drivers/edac/pasemi_edac.c
index 4e53270..3fcefda 100644
--- a/drivers/edac/pasemi_edac.c
+++ b/drivers/edac/pasemi_edac.c
@@ -153,20 +153,20 @@ static int pasemi_edac_init_csrows(struct mem_ctl_info *mci,
switch ((rankcfg & MCDRAM_RANKCFG_TYPE_SIZE_M) >>
MCDRAM_RANKCFG_TYPE_SIZE_S) {
case 0:
- csrow->nr_pages = 128 << (20 - PAGE_SHIFT);
+ dimm->nr_pages = 128 << (20 - PAGE_SHIFT);
break;
case 1:
- csrow->nr_pages = 256 << (20 - PAGE_SHIFT);
+ dimm->nr_pages = 256 << (20 - PAGE_SHIFT);
break;
case 2:
case 3:
- csrow->nr_pages = 512 << (20 - PAGE_SHIFT);
+ dimm->nr_pages = 512 << (20 - PAGE_SHIFT);
break;
case 4:
- csrow->nr_pages = 1024 << (20 - PAGE_SHIFT);
+ dimm->nr_pages = 1024 << (20 - PAGE_SHIFT);
break;
case 5:
- csrow->nr_pages = 2048 << (20 - PAGE_SHIFT);
+ dimm->nr_pages = 2048 << (20 - PAGE_SHIFT);
break;
default:
edac_mc_printk(mci, KERN_ERR,
@@ -176,8 +176,8 @@ static int pasemi_edac_init_csrows(struct mem_ctl_info *mci,
}

csrow->first_page = last_page_in_mmc;
- csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
- last_page_in_mmc += csrow->nr_pages;
+ csrow->last_page = csrow->first_page + dimm->nr_pages - 1;
+ last_page_in_mmc += dimm->nr_pages;
csrow->page_mask = 0;
dimm->grain = PASEMI_EDAC_ERROR_GRAIN;
dimm->mtype = MEM_DDR;
diff --git a/drivers/edac/ppc4xx_edac.c b/drivers/edac/ppc4xx_edac.c
index 6dc000e..0f06f14 100644
--- a/drivers/edac/ppc4xx_edac.c
+++ b/drivers/edac/ppc4xx_edac.c
@@ -896,7 +896,7 @@ ppc4xx_edac_init_csrows(struct mem_ctl_info *mci, u32 mcopt1)
enum dev_type dtype;
enum edac_type edac_mode;
int row, j;
- u32 mbxcf, size;
+ u32 mbxcf, size, nr_pages;

/* Establish the memory type and width */

@@ -947,7 +947,7 @@ ppc4xx_edac_init_csrows(struct mem_ctl_info *mci, u32 mcopt1)
case SDRAM_MBCF_SZ_2GB:
case SDRAM_MBCF_SZ_4GB:
case SDRAM_MBCF_SZ_8GB:
- csi->nr_pages = SDRAM_MBCF_SZ_TO_PAGES(size);
+ nr_pages = SDRAM_MBCF_SZ_TO_PAGES(size);
break;
default:
ppc4xx_edac_mc_printk(KERN_ERR, mci,
@@ -973,6 +973,7 @@ ppc4xx_edac_init_csrows(struct mem_ctl_info *mci, u32 mcopt1)
for (j = 0; j < csi->nr_channels; j++) {
struct dimm_info *dimm = csi->channels[j].dimm;

+ dimm->nr_pages = nr_pages;
dimm->grain = 1;

dimm->mtype = mtype;
diff --git a/drivers/edac/r82600_edac.c b/drivers/edac/r82600_edac.c
index c8b774d..a4b0626 100644
--- a/drivers/edac/r82600_edac.c
+++ b/drivers/edac/r82600_edac.c
@@ -249,7 +249,8 @@ static void r82600_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,

csrow->first_page = row_base >> PAGE_SHIFT;
csrow->last_page = (row_high_limit >> PAGE_SHIFT) - 1;
- csrow->nr_pages = csrow->last_page - csrow->first_page + 1;
+
+ dimm->nr_pages = csrow->last_page - csrow->first_page + 1;
/* Error address is top 19 bits - so granularity is *
* 14 bits */
dimm->grain = 1 << 14;
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 080ba3d..9266e3f 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -643,15 +643,12 @@ static int get_dimm_config(struct mem_ctl_info *mci)
* csrows.
*/
csr = &mci->csrows[csrow];
- csr->nr_pages = npages;
- csr->csrow_idx = csrow;
- csr->nr_channels = 1;
- csr->channels[0].chan_idx = i;
pvt->csrow_map[i][j] = csrow;
last_page += npages;
csrow++;

csr->channels[0].dimm = dimm;
+ dimm->nr_pages = npages;
dimm->location.mc_channel = i;
dimm->location.mc_dimm_number = j;
dimm->grain = 32;
diff --git a/drivers/edac/tile_edac.c b/drivers/edac/tile_edac.c
index ba0917b..6314ff9 100644
--- a/drivers/edac/tile_edac.c
+++ b/drivers/edac/tile_edac.c
@@ -110,7 +110,7 @@ static int __devinit tile_edac_init_csrows(struct mem_ctl_info *mci)
return -1;
}

- csrow->nr_pages = mem_info.mem_size >> PAGE_SHIFT;
+ dimm->nr_pages = mem_info.mem_size >> PAGE_SHIFT;
dimm->grain = TILE_EDAC_ERROR_GRAIN;
dimm->dtype = DEV_UNKNOWN;

diff --git a/drivers/edac/x38_edac.c b/drivers/edac/x38_edac.c
index 7be10dd..0de288f 100644
--- a/drivers/edac/x38_edac.c
+++ b/drivers/edac/x38_edac.c
@@ -373,10 +373,10 @@ static int x38_probe1(struct pci_dev *pdev, int dev_idx)
if (nr_pages == 0)
continue;

- csrow->nr_pages = nr_pages;
-
for (j = 0; j < x38_channel_num; j++) {
struct dimm_info *dimm = csrow->channels[j].dimm;
+
+ dimm->nr_pages = nr_pages / x38_channel_num;
dimm->grain = nr_pages << PAGE_SHIFT;
dimm->mtype = MEM_DDR2;
dimm->dtype = DEV_UNKNOWN;
diff --git a/include/linux/edac.h b/include/linux/edac.h
index afa6426..1e61df2 100644
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -276,6 +276,8 @@ struct dimm_info {
enum mem_type mtype; /* memory dimm type */
enum edac_type edac_mode; /* EDAC mode for this dimm */

+ u32 nr_pages; /* number of pages in csrow */
+
u32 ce_count; /* Correctable Errors for this dimm */
};

@@ -287,13 +289,13 @@ struct csrow_channel_info {
};

struct csrow_info {
+ int csrow_idx; /* the chip-select row */
+
+ /* Used only by edac_mc_find_csrow_by_page() */
unsigned long first_page; /* first page number in csrow */
unsigned long last_page; /* last page number in csrow */
- u32 nr_pages; /* number of pages in csrow */
unsigned long page_mask; /* used for interleaving -
- * 0UL for non intlv
- */
- int csrow_idx; /* the chip-select row */
+ * 0UL for non intlv */

u32 ue_count; /* Uncorrectable Errors for this csrow */
u32 ce_count; /* Correctable Errors for this csrow */
--
1.7.8

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/