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| author | Niklas Söderlund <niklas.soderlund@ericsson.com> | 2012-08-08 12:30:56 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-02-21 11:06:32 -0300 |
| commit | 52608ba20546139dc76cca8a46c1d901455d5450 (patch) | |
| tree | e200c6ae257abba4e4c57eea26784de577dc351b /drivers/edac | |
| parent | e7100478fa894c45ae33321b5721b5a8f956b814 (diff) | |
| download | linux-3.10-52608ba20546139dc76cca8a46c1d901455d5450.tar.gz linux-3.10-52608ba20546139dc76cca8a46c1d901455d5450.tar.bz2 linux-3.10-52608ba20546139dc76cca8a46c1d901455d5450.zip | |
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>
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/i5100_edac.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/edac/i5100_edac.c b/drivers/edac/i5100_edac.c index d6955b2cc99..33c5c8e663f 100644 --- a/drivers/edac/i5100_edac.c +++ b/drivers/edac/i5100_edac.c @@ -338,6 +338,7 @@ struct i5100_priv { 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 @@ static int i5100_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 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 @@ static int i5100_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 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 @@ static int i5100_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 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 @@ bail_scrub: 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 @@ static void i5100_remove_one(struct pci_dev *pdev) 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); } |