[PATCH v4 1/2] Bluetooth: btusb: Fine-tune mt7663 mechanism.
From: <hidden>
Date: 2021-02-02 10:35:19
Subsystem:
bluetooth drivers, the rest · Maintainers:
Marcel Holtmann, Luiz Augusto von Dentz, Linus Torvalds
From: "mark-yw.chen" <redacted> 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 <redacted> --- 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
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