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-rw-r--r--drivers/base/firmware_class.c16
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);