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authorMarkus Lidel <Markus.Lidel@shadowconnect.com>2006-02-03 03:04:28 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-03 08:32:07 -0800
commit15d8ec7d08fbb7876e292b42bc92da8d82df7ea9 (patch)
tree7e9f217d0022728ed3205abc403e05620993ff9e /drivers/message/i2o
parent35dc8161d0a6fa5e654bcb3d6240acc9ecb0a259 (diff)
[PATCH] I2O: don't disable PCI device if it is enabled before probing
If PCI device is enabled before probing, it will not be disabled at exit. Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/message/i2o')
-rw-r--r--drivers/message/i2o/pci.c29
1 files changed, 14 insertions, 15 deletions
diff --git a/drivers/message/i2o/pci.c b/drivers/message/i2o/pci.c
index d698d7709c3..e2e3fc79c78 100644
--- a/drivers/message/i2o/pci.c
+++ b/drivers/message/i2o/pci.c
@@ -88,6 +88,11 @@ static int __devinit i2o_pci_alloc(struct i2o_controller *c)
struct device *dev = &pdev->dev;
int i;
+ if (pci_request_regions(pdev, OSM_DESCRIPTION)) {
+ printk(KERN_ERR "%s: device already claimed\n", c->name);
+ return -ENODEV;
+ }
+
for (i = 0; i < 6; i++) {
/* Skip I/O spaces */
if (!(pci_resource_flags(pdev, i) & IORESOURCE_IO)) {
@@ -298,7 +303,7 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
struct i2o_controller *c;
int rc;
struct pci_dev *i960 = NULL;
- int pci_dev_busy = 0;
+ int enabled = pdev->is_enabled;
printk(KERN_INFO "i2o: Checking for PCI I2O controllers...\n");
@@ -308,16 +313,12 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
return -ENODEV;
}
- if ((rc = pci_enable_device(pdev))) {
- printk(KERN_WARNING "i2o: couldn't enable device %s\n",
- pci_name(pdev));
- return rc;
- }
-
- if (pci_request_regions(pdev, OSM_DESCRIPTION)) {
- printk(KERN_ERR "i2o: device already claimed\n");
- return -ENODEV;
- }
+ if (!enabled)
+ if ((rc = pci_enable_device(pdev))) {
+ printk(KERN_WARNING "i2o: couldn't enable device %s\n",
+ pci_name(pdev));
+ return rc;
+ }
if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
printk(KERN_WARNING "i2o: no suitable DMA found for %s\n",
@@ -395,9 +396,7 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
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;
+ "failed\n", c->name);
goto free_controller;
}
@@ -425,7 +424,7 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
i2o_iop_free(c);
disable:
- if (!pci_dev_busy)
+ if (!enabled)
pci_disable_device(pdev);
return rc;