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path: root/drivers/usb/gadget/legacy/zero.c
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Diffstat (limited to 'drivers/usb/gadget/legacy/zero.c')
-rw-r--r--drivers/usb/gadget/legacy/zero.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/usb/gadget/legacy/zero.c b/drivers/usb/gadget/legacy/zero.c
index a05785bdeb30..08a21bd0c2ba 100644
--- a/drivers/usb/gadget/legacy/zero.c
+++ b/drivers/usb/gadget/legacy/zero.c
@@ -147,6 +147,12 @@ static struct usb_gadget_strings *dev_strings[] = {
NULL,
};
+static struct usb_function *func_lb;
+static struct usb_function_instance *func_inst_lb;
+
+static struct usb_function *func_ss;
+static struct usb_function_instance *func_inst_ss;
+
/*-------------------------------------------------------------------------*/
static struct timer_list autoresume_timer;
@@ -156,6 +162,7 @@ static void zero_autoresume(struct timer_list *unused)
{
struct usb_composite_dev *cdev = autoresume_cdev;
struct usb_gadget *g = cdev->gadget;
+ int status;
/* unconfigured devices can't issue wakeups */
if (!cdev->config)
@@ -165,10 +172,18 @@ static void zero_autoresume(struct timer_list *unused)
* more significant than just a timer firing; likely
* because of some direct user request.
*/
- if (g->speed != USB_SPEED_UNKNOWN) {
- int status = usb_gadget_wakeup(g);
- INFO(cdev, "%s --> %d\n", __func__, status);
+ if (g->speed == USB_SPEED_UNKNOWN)
+ return;
+
+ if (g->speed >= USB_SPEED_SUPER) {
+ if (loopdefault)
+ status = usb_func_wakeup(func_lb);
+ else
+ status = usb_func_wakeup(func_ss);
+ } else {
+ status = usb_gadget_wakeup(g);
}
+ INFO(cdev, "%s --> %d\n", __func__, status);
}
static void zero_suspend(struct usb_composite_dev *cdev)
@@ -206,9 +221,6 @@ static struct usb_configuration loopback_driver = {
/* .iConfiguration = DYNAMIC */
};
-static struct usb_function *func_ss;
-static struct usb_function_instance *func_inst_ss;
-
static int ss_config_setup(struct usb_configuration *c,
const struct usb_ctrlrequest *ctrl)
{
@@ -248,9 +260,6 @@ module_param_named(isoc_maxburst, gzero_options.isoc_maxburst, uint,
S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(isoc_maxburst, "0 - 15 (ss only)");
-static struct usb_function *func_lb;
-static struct usb_function_instance *func_inst_lb;
-
module_param_named(qlen, gzero_options.qlen, uint, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(qlen, "depth of loopback queue");