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path: root/drivers/pci/pci-sysfs.c
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Diffstat (limited to 'drivers/pci/pci-sysfs.c')
-rw-r--r--drivers/pci/pci-sysfs.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index c91e6c18debc..276ef9c18802 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -297,7 +297,6 @@ msi_bus_store(struct device *dev, struct device_attribute *attr,
297} 297}
298static DEVICE_ATTR_RW(msi_bus); 298static DEVICE_ATTR_RW(msi_bus);
299 299
300static DEFINE_MUTEX(pci_remove_rescan_mutex);
301static ssize_t bus_rescan_store(struct bus_type *bus, const char *buf, 300static ssize_t bus_rescan_store(struct bus_type *bus, const char *buf,
302 size_t count) 301 size_t count)
303{ 302{
@@ -308,10 +307,10 @@ static ssize_t bus_rescan_store(struct bus_type *bus, const char *buf,
308 return -EINVAL; 307 return -EINVAL;
309 308
310 if (val) { 309 if (val) {
311 mutex_lock(&pci_remove_rescan_mutex); 310 pci_lock_rescan_remove();
312 while ((b = pci_find_next_bus(b)) != NULL) 311 while ((b = pci_find_next_bus(b)) != NULL)
313 pci_rescan_bus(b); 312 pci_rescan_bus(b);
314 mutex_unlock(&pci_remove_rescan_mutex); 313 pci_unlock_rescan_remove();
315 } 314 }
316 return count; 315 return count;
317} 316}
@@ -342,9 +341,9 @@ dev_rescan_store(struct device *dev, struct device_attribute *attr,
342 return -EINVAL; 341 return -EINVAL;
343 342
344 if (val) { 343 if (val) {
345 mutex_lock(&pci_remove_rescan_mutex); 344 pci_lock_rescan_remove();
346 pci_rescan_bus(pdev->bus); 345 pci_rescan_bus(pdev->bus);
347 mutex_unlock(&pci_remove_rescan_mutex); 346 pci_unlock_rescan_remove();
348 } 347 }
349 return count; 348 return count;
350} 349}
@@ -354,11 +353,7 @@ static struct device_attribute dev_rescan_attr = __ATTR(rescan,
354 353
355static void remove_callback(struct device *dev) 354static void remove_callback(struct device *dev)
356{ 355{
357 struct pci_dev *pdev = to_pci_dev(dev); 356 pci_stop_and_remove_bus_device_locked(to_pci_dev(dev));
358
359 mutex_lock(&pci_remove_rescan_mutex);
360 pci_stop_and_remove_bus_device(pdev);
361 mutex_unlock(&pci_remove_rescan_mutex);
362} 357}
363 358
364static ssize_t 359static ssize_t
@@ -395,12 +390,12 @@ dev_bus_rescan_store(struct device *dev, struct device_attribute *attr,
395 return -EINVAL; 390 return -EINVAL;
396 391
397 if (val) { 392 if (val) {
398 mutex_lock(&pci_remove_rescan_mutex); 393 pci_lock_rescan_remove();
399 if (!pci_is_root_bus(bus) && list_empty(&bus->devices)) 394 if (!pci_is_root_bus(bus) && list_empty(&bus->devices))
400 pci_rescan_bus_bridge_resize(bus->self); 395 pci_rescan_bus_bridge_resize(bus->self);
401 else 396 else
402 pci_rescan_bus(bus); 397 pci_rescan_bus(bus);
403 mutex_unlock(&pci_remove_rescan_mutex); 398 pci_unlock_rescan_remove();
404 } 399 }
405 return count; 400 return count;
406} 401}