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path: root/drivers/pci/pci-driver.c
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Diffstat (limited to 'drivers/pci/pci-driver.c')
-rw-r--r--drivers/pci/pci-driver.c74
1 files changed, 10 insertions, 64 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index d6fd6b6d9d4b..94c6e2aa03d6 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -139,7 +139,6 @@ store_new_id(struct device_driver *driver, const char *buf, size_t count)
return retval;
return count;
}
-static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
/**
* store_remove_id - remove a PCI device ID from this driver
@@ -185,38 +184,16 @@ store_remove_id(struct device_driver *driver, const char *buf, size_t count)
return retval;
return count;
}
-static DRIVER_ATTR(remove_id, S_IWUSR, NULL, store_remove_id);
-static int
-pci_create_newid_files(struct pci_driver *drv)
-{
- int error = 0;
-
- if (drv->probe != NULL) {
- error = driver_create_file(&drv->driver, &driver_attr_new_id);
- if (error == 0) {
- error = driver_create_file(&drv->driver,
- &driver_attr_remove_id);
- if (error)
- driver_remove_file(&drv->driver,
- &driver_attr_new_id);
- }
- }
- return error;
-}
+static struct driver_attribute pci_drv_attrs[] = {
+ __ATTR(new_id, S_IWUSR, NULL, store_new_id),
+ __ATTR(remove_id, S_IWUSR, NULL, store_remove_id),
+ __ATTR_NULL,
+};
-static void pci_remove_newid_files(struct pci_driver *drv)
-{
- driver_remove_file(&drv->driver, &driver_attr_remove_id);
- driver_remove_file(&drv->driver, &driver_attr_new_id);
-}
-#else /* !CONFIG_HOTPLUG */
-static inline int pci_create_newid_files(struct pci_driver *drv)
-{
- return 0;
-}
-static inline void pci_remove_newid_files(struct pci_driver *drv) {}
-#endif
+#else
+#define pci_drv_attrs NULL
+#endif /* CONFIG_HOTPLUG */
/**
* pci_match_id - See if a pci device matches a given pci_id table
@@ -630,21 +607,6 @@ static int pci_pm_prepare(struct device *dev)
int error = 0;
/*
- * If a PCI device configured to wake up the system from sleep states
- * has been suspended at run time and there's a resume request pending
- * for it, this is equivalent to the device signaling wakeup, so the
- * system suspend operation should be aborted.
- */
- pm_runtime_get_noresume(dev);
- if (pm_runtime_barrier(dev) && device_may_wakeup(dev))
- pm_wakeup_event(dev, 0);
-
- if (pm_wakeup_pending()) {
- pm_runtime_put_sync(dev);
- return -EBUSY;
- }
-
- /*
* PCI devices suspended at run time need to be resumed at this
* point, because in general it is necessary to reconfigure them for
* system suspend. Namely, if the device is supposed to wake up the
@@ -667,8 +629,6 @@ static void pci_pm_complete(struct device *dev)
if (drv && drv->pm && drv->pm->complete)
drv->pm->complete(dev);
-
- pm_runtime_put_sync(dev);
}
#else /* !CONFIG_PM_SLEEP */
@@ -1162,8 +1122,6 @@ const struct dev_pm_ops pci_dev_pm_ops = {
int __pci_register_driver(struct pci_driver *drv, struct module *owner,
const char *mod_name)
{
- int error;
-
/* initialize common driver fields */
drv->driver.name = drv->name;
drv->driver.bus = &pci_bus_type;
@@ -1174,19 +1132,7 @@ int __pci_register_driver(struct pci_driver *drv, struct module *owner,
INIT_LIST_HEAD(&drv->dynids.list);
/* register with core */
- error = driver_register(&drv->driver);
- if (error)
- goto out;
-
- error = pci_create_newid_files(drv);
- if (error)
- goto out_newid;
-out:
- return error;
-
-out_newid:
- driver_unregister(&drv->driver);
- goto out;
+ return driver_register(&drv->driver);
}
/**
@@ -1202,7 +1148,6 @@ out_newid:
void
pci_unregister_driver(struct pci_driver *drv)
{
- pci_remove_newid_files(drv);
driver_unregister(&drv->driver);
pci_free_dynids(drv);
}
@@ -1302,6 +1247,7 @@ struct bus_type pci_bus_type = {
.shutdown = pci_device_shutdown,
.dev_attrs = pci_dev_attrs,
.bus_attrs = pci_bus_attrs,
+ .drv_attrs = pci_drv_attrs,
.pm = PCI_PM_OPS_PTR,
};