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Diffstat (limited to 'drivers/pci/pci-sysfs.c')
| -rw-r--r-- | drivers/pci/pci-sysfs.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 7b282f4ba8dc..eb6bee8724cc 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -278,6 +278,16 @@ static ssize_t subordinate_bus_number_show(struct device *dev, } static DEVICE_ATTR_RO(subordinate_bus_number); +static ssize_t ari_enabled_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct pci_dev *pci_dev = to_pci_dev(dev); + + return sprintf(buf, "%u\n", pci_ari_enabled(pci_dev->bus)); +} +static DEVICE_ATTR_RO(ari_enabled); + static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -786,6 +796,7 @@ static struct attribute *pci_dev_attrs[] = { &dev_attr_devspec.attr, #endif &dev_attr_driver_override.attr, + &dev_attr_ari_enabled.attr, NULL, }; |