return 0;
}
+static ssize_t reset_store(struct device *dev,
+ struct device_attribute *attr, const char *buf,
+ size_t count)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ unsigned long val;
+ ssize_t result = strict_strtoul(buf, 0, &val);
+
+ if (result < 0)
+ return result;
+
+ if (val != 1)
+ return -EINVAL;
+ return pci_reset_function(pdev);
+}
+
+static struct device_attribute reset_attr = __ATTR(reset, 0200, NULL, reset_store);
+
static int pci_create_capabilities_sysfs(struct pci_dev *dev)
{
int retval;
/* Active State Power Management */
pcie_aspm_create_sysfs_dev_files(dev);
+ if (!pci_probe_reset_function(dev)) {
+ retval = device_create_file(&dev->dev, &reset_attr);
+ if (retval)
+ goto error;
+ dev->reset_fn = 1;
+ }
return 0;
+
+error:
+ pcie_aspm_remove_sysfs_dev_files(dev);
+ if (dev->vpd && dev->vpd->attr) {
+ sysfs_remove_bin_file(&dev->dev.kobj, dev->vpd->attr);
+ kfree(dev->vpd->attr);
+ }
+
+ return retval;
}
int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
}
pcie_aspm_remove_sysfs_dev_files(dev);
+ if (dev->reset_fn) {
+ device_remove_file(&dev->dev, &reset_attr);
+ dev->reset_fn = 0;
+ }
}
/**