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path: root/drivers/base/dd.c
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Diffstat (limited to 'drivers/base/dd.c')
-rw-r--r--drivers/base/dd.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 169412ee4ae8..8ac10af17c00 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -179,7 +179,7 @@ static void driver_deferred_probe_trigger(void)
}
/**
- * device_block_probing() - Block/defere device's probes
+ * device_block_probing() - Block/defer device's probes
*
* It will disable probing of devices and defer their probes instead.
*/
@@ -223,7 +223,10 @@ DEFINE_SHOW_ATTRIBUTE(deferred_devs);
static int deferred_probe_timeout = -1;
static int __init deferred_probe_timeout_setup(char *str)
{
- deferred_probe_timeout = simple_strtol(str, NULL, 10);
+ int timeout;
+
+ if (!kstrtoint(str, 10, &timeout))
+ deferred_probe_timeout = timeout;
return 1;
}
__setup("deferred_probe_timeout=", deferred_probe_timeout_setup);
@@ -453,7 +456,7 @@ static int really_probe(struct device *dev, struct device_driver *drv)
if (defer_all_probes) {
/*
* Value of defer_all_probes can be set only by
- * device_defer_all_probes_enable() which, in turn, will call
+ * device_block_probing() which, in turn, will call
* wait_for_device_probe() right after that to avoid any races.
*/
dev_dbg(dev, "Driver %s force probe deferral\n", drv->name);
@@ -928,16 +931,13 @@ static void __device_release_driver(struct device *dev, struct device *parent)
drv = dev->driver;
if (drv) {
- if (driver_allows_async_probing(drv))
- async_synchronize_full();
-
while (device_links_busy(dev)) {
device_unlock(dev);
- if (parent)
+ if (parent && dev->bus->need_parent_lock)
device_unlock(parent);
device_links_unbind_consumers(dev);
- if (parent)
+ if (parent && dev->bus->need_parent_lock)
device_lock(parent);
device_lock(dev);
@@ -1036,6 +1036,9 @@ void driver_detach(struct device_driver *drv)
struct device_private *dev_prv;
struct device *dev;
+ if (driver_allows_async_probing(drv))
+ async_synchronize_full();
+
for (;;) {
spin_lock(&drv->p->klist_devices.k_lock);
if (list_empty(&drv->p->klist_devices.k_list)) {