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path: root/drivers/usb/gadget/function/f_fs.c
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Diffstat (limited to 'drivers/usb/gadget/function/f_fs.c')
-rw-r--r--drivers/usb/gadget/function/f_fs.c44
1 files changed, 9 insertions, 35 deletions
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 8f2cf3baa19c..c2592d883f67 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1855,44 +1855,20 @@ static int ffs_func_eps_enable(struct ffs_function *func)
spin_lock_irqsave(&func->ffs->eps_lock, flags);
while(count--) {
- struct usb_endpoint_descriptor *ds;
- struct usb_ss_ep_comp_descriptor *comp_desc = NULL;
- int needs_comp_desc = false;
- int desc_idx;
-
- if (ffs->gadget->speed == USB_SPEED_SUPER) {
- desc_idx = 2;
- needs_comp_desc = true;
- } else if (ffs->gadget->speed == USB_SPEED_HIGH)
- desc_idx = 1;
- else
- desc_idx = 0;
-
- /* fall-back to lower speed if desc missing for current speed */
- do {
- ds = ep->descs[desc_idx];
- } while (!ds && --desc_idx >= 0);
-
- if (!ds) {
- ret = -EINVAL;
- break;
- }
-
ep->ep->driver_data = ep;
- ep->ep->desc = ds;
- if (needs_comp_desc) {
- comp_desc = (struct usb_ss_ep_comp_descriptor *)(ds +
- USB_DT_ENDPOINT_SIZE);
- ep->ep->maxburst = comp_desc->bMaxBurst + 1;
- ep->ep->comp_desc = comp_desc;
+ ret = config_ep_by_speed(func->gadget, &func->function, ep->ep);
+ if (ret) {
+ pr_err("%s: config_ep_by_speed(%s) returned %d\n",
+ __func__, ep->ep->name, ret);
+ break;
}
ret = usb_ep_enable(ep->ep);
if (likely(!ret)) {
epfile->ep = ep;
- epfile->in = usb_endpoint_dir_in(ds);
- epfile->isoc = usb_endpoint_xfer_isoc(ds);
+ epfile->in = usb_endpoint_dir_in(ep->ep->desc);
+ epfile->isoc = usb_endpoint_xfer_isoc(ep->ep->desc);
} else {
break;
}
@@ -2979,10 +2955,8 @@ static int _ffs_func_bind(struct usb_configuration *c,
struct ffs_data *ffs = func->ffs;
const int full = !!func->ffs->fs_descs_count;
- const int high = gadget_is_dualspeed(func->gadget) &&
- func->ffs->hs_descs_count;
- const int super = gadget_is_superspeed(func->gadget) &&
- func->ffs->ss_descs_count;
+ const int high = !!func->ffs->hs_descs_count;
+ const int super = !!func->ffs->ss_descs_count;
int fs_len, hs_len, ss_len, ret, i;
struct ffs_ep *eps_ptr;