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usb: gadget: f_fs: Fix enumeration in fullspeed mode

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ffs_func_eps_enable always take the highspeed usb_endpoint_descriptor
if it is available. Choose the correct usb_endpoint_descriptor
depending on the gadget speed instead.

Change-Id: I5b8444cfdf1b6fe1eef25525fb7a0a0f617a353e
Signed-off-by: Benoit Goby <benoit@android.com>
This commit is contained in:
Benoit Goby
2012-09-19 17:03:34 -07:00
committed by Arve Hjønnevåg
parent df974627d4
commit 95f0d8bddc
1 changed files with 6 additions and 1 deletions
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7
drivers/usb/gadget/f_fs.c
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@@ -1569,7 +1569,12 @@ static int ffs_func_eps_enable(struct ffs_function *func)
spin_lock_irqsave(&func->ffs->eps_lock, flags);
do {
struct usb_endpoint_descriptor *ds;
ds = ep->descs[ep->descs[1] ? 1 : 0];
int desc_idx = ffs->gadget->speed == USB_SPEED_HIGH ? 1 : 0;
ds = ep->descs[desc_idx];
if (!ds) {
ret = -EINVAL;
break;
}
ep->ep->driver_data = ep;
ep->ep->desc = ds;