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path: root/drivers/usb/gadget/f_serial.c
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Diffstat (limited to 'drivers/usb/gadget/f_serial.c')
-rw-r--r--drivers/usb/gadget/f_serial.c38
1 files changed, 10 insertions, 28 deletions
diff --git a/drivers/usb/gadget/f_serial.c b/drivers/usb/gadget/f_serial.c
index 07197d63d9b..98fa7795df5 100644
--- a/drivers/usb/gadget/f_serial.c
+++ b/drivers/usb/gadget/f_serial.c
@@ -213,34 +213,20 @@ gser_bind(struct usb_configuration *c, struct usb_function *f)
gser->port.out = ep;
ep->driver_data = cdev; /* claim */
- /* copy descriptors, and track endpoint copies */
- f->descriptors = usb_copy_descriptors(gser_fs_function);
-
/* support all relevant hardware speeds... we expect that when
* hardware is dual speed, all bulk-capable endpoints work at
* both speeds
*/
- if (gadget_is_dualspeed(c->cdev->gadget)) {
- gser_hs_in_desc.bEndpointAddress =
- gser_fs_in_desc.bEndpointAddress;
- gser_hs_out_desc.bEndpointAddress =
- gser_fs_out_desc.bEndpointAddress;
-
- /* copy descriptors, and track endpoint copies */
- f->hs_descriptors = usb_copy_descriptors(gser_hs_function);
- }
- if (gadget_is_superspeed(c->cdev->gadget)) {
- gser_ss_in_desc.bEndpointAddress =
- gser_fs_in_desc.bEndpointAddress;
- gser_ss_out_desc.bEndpointAddress =
- gser_fs_out_desc.bEndpointAddress;
-
- /* copy descriptors, and track endpoint copies */
- f->ss_descriptors = usb_copy_descriptors(gser_ss_function);
- if (!f->ss_descriptors)
- goto fail;
- }
+ gser_hs_in_desc.bEndpointAddress = gser_fs_in_desc.bEndpointAddress;
+ gser_hs_out_desc.bEndpointAddress = gser_fs_out_desc.bEndpointAddress;
+ gser_ss_in_desc.bEndpointAddress = gser_fs_in_desc.bEndpointAddress;
+ gser_ss_out_desc.bEndpointAddress = gser_fs_out_desc.bEndpointAddress;
+
+ status = usb_assign_descriptors(f, gser_fs_function, gser_hs_function,
+ gser_ss_function);
+ if (status)
+ goto fail;
DBG(cdev, "generic ttyGS%d: %s speed IN/%s OUT/%s\n",
gser->port_num,
gadget_is_superspeed(c->cdev->gadget) ? "super" :
@@ -263,11 +249,7 @@ fail:
static void
gser_unbind(struct usb_configuration *c, struct usb_function *f)
{
- if (gadget_is_dualspeed(c->cdev->gadget))
- usb_free_descriptors(f->hs_descriptors);
- if (gadget_is_superspeed(c->cdev->gadget))
- usb_free_descriptors(f->ss_descriptors);
- usb_free_descriptors(f->descriptors);
+ usb_free_all_descriptors(f);
kfree(func_to_gser(f));
}