在 2019-03-07 00:21，Balakrishna Godavarthi 写道：
This patch enables enough time to ROME controller to bootup after we bring the enable ping out of reset.Signed-off-by: Balakrishna Godavarthi <bgoda...@codeaurora.org> --- drivers/bluetooth/hci_qca.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 237aea34b69f..1953b13511e7 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -508,6 +508,8 @@ static int qca_open(struct hci_uart *hu) qcadev = serdev_device_get_drvdata(hu->serdev); if (qcadev->btsoc_type != QCA_WCN3990) { gpiod_set_value_cansleep(qcadev->bt_en, 1); + /* Controller needs time to bootup. */ + msleep(150); } else { hu->init_speed = qcadev->init_speed; hu->oper_speed = qcadev->oper_speed;
Reviewed-by: Rocky Liao <rjl...@codeaurora.org> Tested-by: Rocky Liao <rjl...@codeaurora.org>
