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SubjectRe: [PATCH v1] Bluetooth: hci_qca: Give enough time to ROME controller to bootup.
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 <bgodavar@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 <rjliao@codeaurora.org>
Tested-by: Rocky Liao <rjliao@codeaurora.org>

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