redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

e752x_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.

Cc: Mark Gross <mark.gross@intel.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Mauro Carvalho Chehab 2012-04-16 15:06:59 -03:00
parent df62b1e663
commit ce11ce1710
1 changed files with 34 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/edac/e752x_edac.c
View File

@ -6,6 +6,9 @@
*
* See "enum e752x_chips" below for supported chipsets
*
* Datasheet:
* http://www.intel.in/content/www/in/en/chipsets/e7525-memory-controller-hub-datasheet.html
*
* Written by Tom Zimmerman
*
* Contributors:
@ -350,8 +353,10 @@ static void do_process_ce(struct mem_ctl_info *mci, u16 error_one,
channel = !(error_one & 1);
/* e752x mc reads 34:6 of the DRAM linear address */
edac_mc_handle_ce(mci, page, offset_in_page(sec1_add << 4),
sec1_syndrome, row, channel, "e752x CE");
edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci,
page, offset_in_page(sec1_add << 4), sec1_syndrome,
row, channel, -1,
"e752x CE", "", NULL);
}
static inline void process_ce(struct mem_ctl_info *mci, u16 error_one,
@ -385,9 +390,12 @@ static void do_process_ue(struct mem_ctl_info *mci, u16 error_one,
edac_mc_find_csrow_by_page(mci, block_page);
/* e752x mc reads 34:6 of the DRAM linear address */
edac_mc_handle_ue(mci, block_page,
offset_in_page(error_2b << 4),
row, "e752x UE from Read");
edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci,
block_page,
offset_in_page(error_2b << 4), 0,
row, -1, -1,
"e752x UE from Read", "", NULL);
}
if (error_one & 0x0404) {
error_2b = scrb_add;
@ -401,9 +409,11 @@ static void do_process_ue(struct mem_ctl_info *mci, u16 error_one,
edac_mc_find_csrow_by_page(mci, block_page);
/* e752x mc reads 34:6 of the DRAM linear address */
edac_mc_handle_ue(mci, block_page,
offset_in_page(error_2b << 4),
row, "e752x UE from Scruber");
edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci,
block_page,
offset_in_page(error_2b << 4), 0,
row, -1, -1,
"e752x UE from Scruber", "", NULL);
}
}
@ -426,7 +436,9 @@ static inline void process_ue_no_info_wr(struct mem_ctl_info *mci,
return;
debugf3("%s()\n", __func__);
edac_mc_handle_ue_no_info(mci, "e752x UE log memory write");
edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 0, 0, 0,
-1, -1, -1,
"e752x UE log memory write", "", NULL);
}
static void do_process_ded_retry(struct mem_ctl_info *mci, u16 error,
@ -1081,10 +1093,11 @@ static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;
for (i = 0; i < drc_chan + 1; i++) {
for (i = 0; i < csrow->nr_channels; i++) {
struct dimm_info *dimm = csrow->channels[i].dimm;
dimm->nr_pages = nr_pages / (drc_chan + 1);
debugf3("Initializing rank at (%i,%i)\n", index, i);
dimm->nr_pages = nr_pages / csrow->nr_channels;
dimm->grain = 1 << 12; /* 4KiB - resolution of CELOG */
dimm->mtype = MEM_RDDR; /* only one type supported */
dimm->dtype = mem_dev ? DEV_X4 : DEV_X8;
@ -1232,6 +1245,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
u16 pci_data;
u8 stat8;
struct mem_ctl_info *mci;
struct edac_mc_layer layers[2];
struct e752x_pvt *pvt;
u16 ddrcsr;
int drc_chan; /* Number of channels 0=1chan,1=2chan */
@ -1258,11 +1272,16 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
/* Dual channel = 1, Single channel = 0 */
drc_chan = dual_channel_active(ddrcsr);
mci = edac_mc_alloc(sizeof(*pvt), E752X_NR_CSROWS, drc_chan + 1, 0);
if (mci == NULL) {
layers[0].type = EDAC_MC_LAYER_CHIP_SELECT;
layers[0].size = E752X_NR_CSROWS;
layers[0].is_virt_csrow = true;
layers[1].type = EDAC_MC_LAYER_CHANNEL;
layers[1].size = drc_chan + 1;
layers[1].is_virt_csrow = false;
mci = new_edac_mc_alloc(0, ARRAY_SIZE(layers), layers,
sizeof(*pvt));
if (mci == NULL)
return -ENOMEM;
}
debugf3("%s(): init mci\n", __func__);
mci->mtype_cap = MEM_FLAG_RDDR;