When dpt_i2o is loaded first, i2o being loaded would cause it to call
pci_device_disable, thus breaking dpt_i2o's use of the device. Based on
similar usage of pci_disable_device in other drivers.
Signed-off-by: Ben Collins <[email protected]>
diff --git a/drivers/message/i2o/pci.c b/drivers/message/i2o/pci.c
index 81ef306..8859c8a 100644
--- a/drivers/message/i2o/pci.c
+++ b/drivers/message/i2o/pci.c
@@ -303,6 +303,7 @@ static int __devinit i2o_pci_probe(struc
struct i2o_controller *c;
int rc;
struct pci_dev *i960 = NULL;
+ int pci_dev_busy = 0;
printk(KERN_INFO "i2o: Checking for PCI I2O controllers...\n");
@@ -395,6 +396,8 @@ static int __devinit i2o_pci_probe(struc
if ((rc = i2o_pci_alloc(c))) {
printk(KERN_ERR "%s: DMA / IO allocation for I2O controller "
" failed\n", c->name);
+ if (rc == -ENODEV)
+ pci_dev_busy = 1;
goto free_controller;
}
@@ -425,7 +428,8 @@ static int __devinit i2o_pci_probe(struc
i2o_iop_free(c);
disable:
- pci_disable_device(pdev);
+ if (!pci_dev_busy)
+ pci_disable_device(pdev);
return rc;
}
-
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