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authorMauro Carvalho Chehab <mchehab@redhat.com>2010-06-30 01:42:21 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-07-02 18:04:29 -0300
commit2d95d8158b5ab51339f8482c98c01469c45ff6d7 (patch)
tree59d8edd1e277112baee013d185792a0d79a1d3c4
parentbda142890e6bdd9b1115715e50b0276ea4b9978a (diff)
i7core_edac: Avoid doing multiple probes for the same card
As Nehalem/Nehalem-EP/Westmere devices uses several devices for the same functionality (memory controller), the default way of proping devices doesn't work. So, instead of a per-device probe, all devices should be probed at once. This means that we should block any new attempt of probe, otherwise, it will try to register the same device several times. Acked-by: Doug Thompson <dougthompson@xmission.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/edac/i7core_edac.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index d7c76800988e..cc9357da0e34 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1947,21 +1947,26 @@ fail:
* 0 for FOUND a device
* < 0 for error code
*/
+
+static int probed = 0;
+
static int __devinit i7core_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
- int dev_idx = id->driver_data;
int rc;
struct i7core_dev *i7core_dev;
+ /* get the pci devices we want to reserve for our use */
+ mutex_lock(&i7core_edac_lock);
+
/*
* All memory controllers are allocated at the first pass.
*/
- if (unlikely(dev_idx >= 1))
+ if (unlikely(probed >= 1)) {
+ mutex_unlock(&i7core_edac_lock);
return -EINVAL;
-
- /* get the pci devices we want to reserve for our use */
- mutex_lock(&i7core_edac_lock);
+ }
+ probed++;
rc = i7core_get_devices(pci_dev_table);
if (unlikely(rc < 0))
@@ -2033,6 +2038,8 @@ static void __devexit i7core_remove(struct pci_dev *pdev)
i7core_dev->socket);
}
}
+ probed--;
+
mutex_unlock(&i7core_edac_lock);
}

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