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authorMark Chen <Mark-YW.Chen@mediatek.com>2021-02-02 18:26:17 +0800
committerMarcel Holtmann <marcel@holtmann.org>2021-02-02 17:21:52 +0100
commit48c13301e6baba5fd0960b412af519c0baa98011 (patch)
treecd16f3d696c673980339783d0cd3975bee1472c3 /drivers/bluetooth
parent1bb0c66332babc5cbc4581d962da0b03af9f23e8 (diff)
downloadlinux-48c13301e6baba5fd0960b412af519c0baa98011.tar.bz2
Bluetooth: btusb: Fine-tune mt7663 mechanism.
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@mediatek.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/btusb.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index b14102fba601..fd33a3193b50 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3139,6 +3139,7 @@ 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,
@@ -3154,7 +3155,7 @@ 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 {
@@ -3253,7 +3254,7 @@ err_free_skb:
* 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);
@@ -3556,9 +3557,9 @@ err_free_buf:
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)
@@ -3576,7 +3577,7 @@ 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;