Re: [PATCH v1] Bluetooth: hci_qca: Give enough time to ROME controller to bootup.

[rjliao]

å 2019-03-07 00:21ïBalakrishna Godavarthi åéï
> This patch enables enough time to ROME controller to bootup
> after we bring the enable ping out of reset.
>
> Signed-off-by: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx>
> ---
>  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 <rjliao@xxxxxxxxxxxxxx>
Tested-by: Rocky Liao <rjliao@xxxxxxxxxxxxxx>