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-rw-r--r--drivers/pci/pci-sysfs.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 37897a8c95e..bc405c035ce 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,
};