i5100_edac: probe for device 19 function 0
Probe and store the device handle for the device 19 function 0 during
driver initialization. The device is used during fault injection.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ericsson.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/edac/i5100_edac.c b/drivers/edac/i5100_edac.c
index d6955b2..33c5c8e 100644
--- a/drivers/edac/i5100_edac.c
+++ b/drivers/edac/i5100_edac.c
@@ -338,6 +338,7 @@
unsigned ranksperchan; /* number of ranks per channel */
struct pci_dev *mc; /* device 16 func 1 */
+ struct pci_dev *einj; /* device 19 func 0 */
struct pci_dev *ch0mm; /* device 21 func 0 */
struct pci_dev *ch1mm; /* device 22 func 0 */
@@ -869,7 +870,7 @@
struct mem_ctl_info *mci;
struct edac_mc_layer layers[2];
struct i5100_priv *priv;
- struct pci_dev *ch0mm, *ch1mm;
+ struct pci_dev *ch0mm, *ch1mm, *einj;
int ret = 0;
u32 dw;
int ranksperch;
@@ -941,6 +942,22 @@
goto bail_disable_ch1;
}
+
+ /* device 19, func 0, Error injection */
+ einj = pci_get_device_func(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_5100_19, 0);
+ if (!einj) {
+ ret = -ENODEV;
+ goto bail_einj;
+ }
+
+ rc = pci_enable_device(einj);
+ if (rc < 0) {
+ ret = rc;
+ goto bail_disable_einj;
+ }
+
+
mci->pdev = &pdev->dev;
priv = mci->pvt_info;
@@ -948,6 +965,7 @@
priv->mc = pdev;
priv->ch0mm = ch0mm;
priv->ch1mm = ch1mm;
+ priv->einj = einj;
INIT_DELAYED_WORK(&(priv->i5100_scrubbing), i5100_refresh_scrubbing);
@@ -999,6 +1017,12 @@
cancel_delayed_work_sync(&(priv->i5100_scrubbing));
edac_mc_free(mci);
+bail_disable_einj:
+ pci_disable_device(einj);
+
+bail_einj:
+ pci_dev_put(einj);
+
bail_disable_ch1:
pci_disable_device(ch1mm);
@@ -1036,8 +1060,10 @@
pci_disable_device(pdev);
pci_disable_device(priv->ch0mm);
pci_disable_device(priv->ch1mm);
+ pci_disable_device(priv->einj);
pci_dev_put(priv->ch0mm);
pci_dev_put(priv->ch1mm);
+ pci_dev_put(priv->einj);
edac_mc_free(mci);
}