XGE_HAL_CHANNEL_FLAG_USE_RX_POLLING
if (!(channel->flags & XGE_HAL_CHANNEL_FLAG_USE_RX_POLLING)) {
channel->flags |= XGE_HAL_CHANNEL_FLAG_USE_RX_POLLING;
channel->flags &= ~XGE_HAL_CHANNEL_FLAG_USE_RX_POLLING;