mt76: mt76u: introduce mt76u_alloc_mcu_queue utility routine

Add mt76u_alloc_mcu_queue  utility routine to allocate mcu hw rx queue.
This is a preliminary patch to support new devices (e.g. mt7663u) that
rely on a hw queue for mcu messages

Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 0f98050..afcee5a 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -885,6 +885,7 @@ void mt76u_single_wr(struct mt76_dev *dev, const u8 req,
                     const u16 offset, const u32 val);
 int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf);
 void mt76u_deinit(struct mt76_dev *dev);
+int mt76u_alloc_mcu_queue(struct mt76_dev *dev);
 int mt76u_alloc_queues(struct mt76_dev *dev);
 void mt76u_stop_tx(struct mt76_dev *dev);
 void mt76u_stop_rx(struct mt76_dev *dev);

diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c
index d85268c..4e0a115 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/usb.c
@@ -629,6 +629,12 @@ mt76u_alloc_rx_queue(struct mt76_dev *dev, enum mt76_rxq_id qid)
        return mt76u_submit_rx_buffers(dev, qid);
 }
 
+int mt76u_alloc_mcu_queue(struct mt76_dev *dev)
+{
+       return mt76u_alloc_rx_queue(dev, MT_RXQ_MCU);
+}
+EXPORT_SYMBOL_GPL(mt76u_alloc_mcu_queue);
+
 static void
 mt76u_free_rx_queue(struct mt76_dev *dev, struct mt76_queue *q)
 {