1 files changed, 11 insertions, 5 deletions

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 8e6c62b4f512..d45d1e1c40a4 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -50,6 +50,7 @@ struct firmware_priv {
         int page_array_size;
         const char *vdata;
         struct timer_list timeout;
+        bool nowait;
 };
 
 #ifdef CONFIG_FW_LOADER
@@ -112,6 +113,8 @@ static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env)
                 return -ENOMEM;
         if (add_uevent_var(env, "TIMEOUT=%i", loading_timeout))
                 return -ENOMEM;
+        if (add_uevent_var(env, "ASYNC=%d", fw_priv->nowait))
+                return -ENOMEM;
 
         return 0;
 }
@@ -441,7 +444,7 @@ error_kfree:
 
 static int fw_setup_device(struct firmware *fw, struct device **dev_p,
                            const char *fw_name, struct device *device,
-                           int uevent)
+                           int uevent, bool nowait)
 {
         struct device *f_dev;
         struct firmware_priv *fw_priv;
@@ -457,6 +460,8 @@ static int fw_setup_device(struct firmware *fw, struct device **dev_p,
 
         fw_priv = dev_get_drvdata(f_dev);
 
+        fw_priv->nowait = nowait;
+
         fw_priv->fw = fw;
         sysfs_bin_attr_init(&fw_priv->attr_data);
         retval = sysfs_create_bin_file(&f_dev->kobj, &fw_priv->attr_data);
@@ -484,7 +489,7 @@ out:
 
 static int
 _request_firmware(const struct firmware **firmware_p, const char *name,
-                 struct device *device, int uevent)
+                 struct device *device, int uevent, bool nowait)
 {
         struct device *f_dev;
         struct firmware_priv *fw_priv;
@@ -516,7 +521,8 @@ _request_firmware(const struct firmware **firmware_p, const char *name,
         if (uevent)
                 dev_dbg(device, "firmware: requesting %s\n", name);
 
-        retval = fw_setup_device(firmware, &f_dev, name, device, uevent);
+        retval = fw_setup_device(firmware, &f_dev, name, device,
+                                 uevent, nowait);
         if (retval)
                 goto error_kfree_fw;
 
@@ -573,7 +579,7 @@ request_firmware(const struct firmware **firmware_p, const char *name,
                  struct device *device)
 {
         int uevent = 1;
-        return _request_firmware(firmware_p, name, device, uevent);
+        return _request_firmware(firmware_p, name, device, uevent, false);
 }
 
 /**
@@ -619,7 +625,7 @@ request_firmware_work_func(void *arg)
                 return 0;
         }
         ret = _request_firmware(&fw, fw_work->name, fw_work->device,
-                fw_work->uevent);
+                fw_work->uevent, true);
 
         fw_work->cont(fw, fw_work->context);