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i7core_edac: Don't enable memory scrubbing for Xeon 35xx 

Xeon 35xx doesn't mention memory scrub. It seems that only Xeon 55xx
and above supports it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2011-08-04 21:35:27 -03:00
parent e8b6a12710
commit 27100db0e0
1 changed files with 39 additions and 7 deletions
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46
drivers/edac/i7core_edac.c
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@ -263,7 +263,7 @@ struct i7core_pvt {
unsigned long rdimm_ce_count[NUM_CHANS][MAX_DIMMS];
int rdimm_last_ce_count[NUM_CHANS][MAX_DIMMS];
unsigned int is_registered;
bool is_registered, enable_scrub;
/* mcelog glue */
struct edac_mce edac_mce;
@ -1487,8 +1487,10 @@ static int mci_bind_devs(struct mem_ctl_info *mci,
struct i7core_pvt *pvt = mci->pvt_info;
struct pci_dev *pdev;
int i, func, slot;
char *family;
pvt->is_registered = 0;
pvt->is_registered = false;
pvt->enable_scrub = false;
for (i = 0; i < i7core_dev->n_devs; i++) {
pdev = i7core_dev->pdev[i];
if (!pdev)
@ -1504,9 +1506,37 @@ static int mci_bind_devs(struct mem_ctl_info *mci,
if (unlikely(func > MAX_CHAN_FUNC))
goto error;
pvt->pci_ch[slot - 4][func] = pdev;
} else if (!slot && !func)
} else if (!slot && !func) {
pvt->pci_noncore = pdev;
else
/* Detect the processor family */
switch (pdev->device) {
case PCI_DEVICE_ID_INTEL_I7_NONCORE:
family = "Xeon 35xx/ i7core";
pvt->enable_scrub = false;
break;
case PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE_ALT:
family = "i7-800/i5-700";
pvt->enable_scrub = false;
break;
case PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE:
family = "Xeon 34xx";
pvt->enable_scrub = false;
break;
case PCI_DEVICE_ID_INTEL_I7_NONCORE_ALT:
family = "Xeon 55xx";
pvt->enable_scrub = true;
break;
case PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE_REV2:
family = "Xeon 56xx / i7-900";
pvt->enable_scrub = true;
break;
default:
family = "unknown";
pvt->enable_scrub = false;
}
debugf0("Detected a processor type %s\n", family);
} else
goto error;
debugf0("Associated fn %d.%d, dev = %p, socket %d\n",
@ -1515,7 +1545,7 @@ static int mci_bind_devs(struct mem_ctl_info *mci,
if (PCI_SLOT(pdev->devfn) == 3 &&
PCI_FUNC(pdev->devfn) == 2)
pvt->is_registered = 1;
pvt->is_registered = true;
}
return 0;
@ -2060,7 +2090,8 @@ static void i7core_unregister_mci(struct i7core_dev *i7core_dev)
__func__, mci, &i7core_dev->pdev[0]->dev);
/* Disable scrubrate setting */
disable_sdram_scrub_setting(mci);
if (pvt->enable_scrub)
disable_sdram_scrub_setting(mci);
/* Disable MCE NMI handler */
edac_mce_unregister(&pvt->edac_mce);
@ -2136,7 +2167,8 @@ static int i7core_register_mci(struct i7core_dev *i7core_dev)
mci->edac_check = i7core_check_error;
/* Enable scrubrate setting */
enable_sdram_scrub_setting(mci);
if (pvt->enable_scrub)
enable_sdram_scrub_setting(mci);
/* add this new MC control structure to EDAC's list of MCs */
if (unlikely(edac_mc_add_mc(mci))) {