[PATCH v4 1/2] Bluetooth: btusb: Fine-tune mt7663 mechanism.

[mark-yw.chen at mediatek.com]

From: "mark-yw.chen" <mark-yw.chen at mediatek.com>

Fine-tune read register for mt7663/mt7921.
For mediatek chip spcific wmt protocol, we add more delay to send EP0
In-Token.

Signed-off-by: Mark Chen <Mark-YW.Chen at mediatek.com>
---
 drivers/bluetooth/btusb.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 03b83aa91277..2ba8dd6d3d2d 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3138,6 +3138,7 @@ enum {
 enum {
 	BTMTK_WMT_INVALID,
 	BTMTK_WMT_PATCH_UNDONE,
+	BTMTK_WMT_PATCH_PROGRESS,
 	BTMTK_WMT_PATCH_DONE,
 	BTMTK_WMT_ON_UNDONE,
 	BTMTK_WMT_ON_DONE,
@@ -3153,7 +3154,7 @@ struct btmtk_wmt_hdr {
 
 struct btmtk_hci_wmt_cmd {
 	struct btmtk_wmt_hdr hdr;
-	u8 data[256];
+	u8 data[1000];
 } __packed;
 
 struct btmtk_hci_wmt_evt {
@@ -3252,7 +3253,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb)
 	 * to generate the event. Otherwise, the WMT event cannot return from
 	 * the device successfully.
 	 */
-	udelay(100);
+	udelay(500);
 
 	usb_anchor_urb(urb, &data->ctrl_anchor);
 	err = usb_submit_urb(urb, GFP_ATOMIC);
@@ -3555,9 +3556,9 @@ static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val)
 	return err;
 }
 
-static int btusb_mtk_id_get(struct btusb_data *data, u32 *id)
+static int btusb_mtk_id_get(struct btusb_data *data, u32 reg, u32 *id)
 {
-	return btusb_mtk_reg_read(data, 0x80000008, id);
+	return btusb_mtk_reg_read(data, reg, id);
 }
 
 static int btusb_mtk_setup(struct hci_dev *hdev)
@@ -3575,7 +3576,7 @@ static int btusb_mtk_setup(struct hci_dev *hdev)
 
 	calltime = ktime_get();
 
-	err = btusb_mtk_id_get(data, &dev_id);
+	err = btusb_mtk_id_get(data, 0x80000008, &dev_id);
 	if (err < 0) {
 		bt_dev_err(hdev, "Failed to get device id (%d)", err);
 		return err;
-- 
2.18.0