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path: root/drivers/nvdimm/bus.c
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Diffstat (limited to 'drivers/nvdimm/bus.c')
-rw-r--r--drivers/nvdimm/bus.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index df41f3571dc9..798c5c4aea9c 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -26,7 +26,7 @@
int nvdimm_major;
static int nvdimm_bus_major;
-static struct class *nd_class;
+struct class *nd_class;
static DEFINE_IDA(nd_ida);
static int to_nd_device_type(struct device *dev)
@@ -91,7 +91,10 @@ static int nvdimm_bus_probe(struct device *dev)
dev->driver->name, dev_name(dev));
nvdimm_bus_probe_start(nvdimm_bus);
+ debug_nvdimm_lock(dev);
rc = nd_drv->probe(dev);
+ debug_nvdimm_unlock(dev);
+
if (rc == 0)
nd_region_probe_success(nvdimm_bus, dev);
else
@@ -113,8 +116,11 @@ static int nvdimm_bus_remove(struct device *dev)
struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev);
int rc = 0;
- if (nd_drv->remove)
+ if (nd_drv->remove) {
+ debug_nvdimm_lock(dev);
rc = nd_drv->remove(dev);
+ debug_nvdimm_unlock(dev);
+ }
nd_region_disable(nvdimm_bus, dev);
dev_dbg(&nvdimm_bus->dev, "%s.remove(%s) = %d\n", dev->driver->name,
@@ -140,7 +146,7 @@ static void nvdimm_bus_shutdown(struct device *dev)
void nd_device_notify(struct device *dev, enum nvdimm_event event)
{
- device_lock(dev);
+ nd_device_lock(dev);
if (dev->driver) {
struct nd_device_driver *nd_drv;
@@ -148,7 +154,7 @@ void nd_device_notify(struct device *dev, enum nvdimm_event event)
if (nd_drv->notify)
nd_drv->notify(dev, event);
}
- device_unlock(dev);
+ nd_device_unlock(dev);
}
EXPORT_SYMBOL(nd_device_notify);
@@ -296,7 +302,7 @@ static void nvdimm_bus_release(struct device *dev)
kfree(nvdimm_bus);
}
-static bool is_nvdimm_bus(struct device *dev)
+bool is_nvdimm_bus(struct device *dev)
{
return dev->release == nvdimm_bus_release;
}
@@ -575,9 +581,9 @@ void nd_device_unregister(struct device *dev, enum nd_async_mode mode)
* or otherwise let the async path handle it if the
* unregistration was already queued.
*/
- device_lock(dev);
+ nd_device_lock(dev);
killed = kill_device(dev);
- device_unlock(dev);
+ nd_device_unlock(dev);
if (!killed)
return;
@@ -888,10 +894,10 @@ void wait_nvdimm_bus_probe_idle(struct device *dev)
if (nvdimm_bus->probe_active == 0)
break;
nvdimm_bus_unlock(dev);
- device_unlock(dev);
+ nd_device_unlock(dev);
wait_event(nvdimm_bus->wait,
nvdimm_bus->probe_active == 0);
- device_lock(dev);
+ nd_device_lock(dev);
nvdimm_bus_lock(dev);
} while (true);
}
@@ -1107,7 +1113,7 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm,
goto out;
}
- device_lock(dev);
+ nd_device_lock(dev);
nvdimm_bus_lock(dev);
rc = nd_cmd_clear_to_send(nvdimm_bus, nvdimm, func, buf);
if (rc)
@@ -1129,7 +1135,7 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm,
out_unlock:
nvdimm_bus_unlock(dev);
- device_unlock(dev);
+ nd_device_unlock(dev);
out:
kfree(in_env);
kfree(out_env);