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authorDavid S. Miller <davem@davemloft.net>2013-08-03 21:36:46 -0700
committerDavid S. Miller <davem@davemloft.net>2013-08-03 21:36:46 -0700
commit0e76a3a587fc7abda2badf249053b427baad255e (patch)
tree646a1da67dc25654552028225ca4b7a0a8043cc9 /arch/powerpc/kernel/eeh_sysfs.c
parentfba3679d34511c42bf452e89dda457a1219eb43a (diff)
parent72a67a94bcba71a5fddd6b3596a20604d2b5dcd6 (diff)
downloadblackbird-op-linux-0e76a3a587fc7abda2badf249053b427baad255e.tar.gz
blackbird-op-linux-0e76a3a587fc7abda2badf249053b427baad255e.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Merge net into net-next to setup some infrastructure Eric Dumazet needs for usbnet changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/powerpc/kernel/eeh_sysfs.c')
-rw-r--r--arch/powerpc/kernel/eeh_sysfs.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/eeh_sysfs.c b/arch/powerpc/kernel/eeh_sysfs.c
index e7ae3484918c..5d753d4f2c75 100644
--- a/arch/powerpc/kernel/eeh_sysfs.c
+++ b/arch/powerpc/kernel/eeh_sysfs.c
@@ -56,19 +56,40 @@ EEH_SHOW_ATTR(eeh_pe_config_addr, pe_config_addr, "0x%x");
void eeh_sysfs_add_device(struct pci_dev *pdev)
{
+ struct eeh_dev *edev = pci_dev_to_eeh_dev(pdev);
int rc=0;
+ if (edev && (edev->mode & EEH_DEV_SYSFS))
+ return;
+
rc += device_create_file(&pdev->dev, &dev_attr_eeh_mode);
rc += device_create_file(&pdev->dev, &dev_attr_eeh_config_addr);
rc += device_create_file(&pdev->dev, &dev_attr_eeh_pe_config_addr);
if (rc)
printk(KERN_WARNING "EEH: Unable to create sysfs entries\n");
+ else if (edev)
+ edev->mode |= EEH_DEV_SYSFS;
}
void eeh_sysfs_remove_device(struct pci_dev *pdev)
{
+ struct eeh_dev *edev = pci_dev_to_eeh_dev(pdev);
+
+ /*
+ * The parent directory might have been removed. We needn't
+ * continue for that case.
+ */
+ if (!pdev->dev.kobj.sd) {
+ if (edev)
+ edev->mode &= ~EEH_DEV_SYSFS;
+ return;
+ }
+
device_remove_file(&pdev->dev, &dev_attr_eeh_mode);
device_remove_file(&pdev->dev, &dev_attr_eeh_config_addr);
device_remove_file(&pdev->dev, &dev_attr_eeh_pe_config_addr);
+
+ if (edev)
+ edev->mode &= ~EEH_DEV_SYSFS;
}
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