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usb: gadget: f_cdev: Call function wakeup if func_wakeup_pending is set

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Perform function wakeup from cser_resume if func_wakup_pending
flag is true. Set it again if the func_wakeup returns -EAGAIN.

Change-Id: If056327126e932911e3d832421b6171a50757e55
Signed-off-by: Prashanth K <quic_prashk@quicinc.com>
This commit is contained in:
Prashanth K 2024-04-18 12:20:22 +05:30
commit d44f01f447
1 changed files with 9 additions and 3 deletions
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12
drivers/usb/gadget/function/f_cdev.c
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@ -566,8 +566,13 @@ static void usb_cser_resume(struct usb_function *f)
* In that case resume is done by Function Resume request (write).
*/
if ((cdev->gadget->speed >= USB_SPEED_SUPER) &&
port->func_is_suspended)
port->func_is_suspended) {
if (port->func_wakeup_pending) {
ret = usb_func_wakeup(f);
port->func_wakeup_pending = (ret == -EAGAIN) ? true : false;
}
return;
}
pr_debug("%s\n", __func__);
port->is_suspended = false;
@ -1462,9 +1467,10 @@ ssize_t f_cdev_write(struct file *file,
spin_unlock_irqrestore(&port->port_lock, flags);
if (gadget->speed >= USB_SPEED_SUPER
&& port->func_is_suspended)
&& port->func_is_suspended) {
ret = usb_func_wakeup(func);
else
port->func_wakeup_pending = (ret == -EAGAIN) ? true : false;
} else
ret = usb_gadget_wakeup(gadget);
if (ret < 0 && ret != -EACCES && ret != -EAGAIN) {