diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/pci-sysfs.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 37897a8c95e0..bc405c035ce3 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -45,6 +45,28 @@ pci_config_attr(class, "0x%06x\n"); pci_config_attr(irq, "%u\n"); pci_config_attr(is_enabled, "%u\n"); +static ssize_t broken_parity_status_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct pci_dev *pdev = to_pci_dev(dev); + return sprintf (buf, "%u\n", pdev->broken_parity_status); +} + +static ssize_t broken_parity_status_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct pci_dev *pdev = to_pci_dev(dev); + ssize_t consumed = -EINVAL; + + if ((count > 0) && (*buf == '0' || *buf == '1')) { + pdev->broken_parity_status = *buf == '1' ? 1 : 0; + consumed = count; + } + return consumed; +} + static ssize_t local_cpus_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -122,6 +144,8 @@ struct device_attribute pci_dev_attrs[] = { __ATTR_RO(local_cpus), __ATTR_RO(modalias), __ATTR(enable, 0600, is_enabled_show, is_enabled_store), + __ATTR(broken_parity_status,(S_IRUGO|S_IWUSR), + broken_parity_status_show,broken_parity_status_store), __ATTR_NULL, }; |