Re: [PATCH] Bluetooth: hci_qca: Replace open-coded msleep()

From: Stephen Boyd
Date: Fri Sep 28 2018 - 12:10:54 EST


Quoting Stephen Boyd (2018-06-26 10:06:54)
> These three lines make up what msleep() already does, i.e. setting the
> task to uninterruptible, sleeping for so many jiffies, and then
> schedule() already puts the task state back to TASK_RUNNING when it
> returns. Make things clearer by just calling msleep() instead.
>
> Cc: Thierry Escande <thierry.escande@xxxxxxxxxx>
> Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> ---

Marcel, can you pick this patch up?

> drivers/bluetooth/hci_qca.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
> index 51790dd02afb..ef2b00bdf06d 100644
> --- a/drivers/bluetooth/hci_qca.c
> +++ b/drivers/bluetooth/hci_qca.c
> @@ -908,9 +908,7 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
> * controller will come back after they receive this HCI command
> * then host can communicate with new baudrate to controller
> */
> - set_current_state(TASK_UNINTERRUPTIBLE);
> - schedule_timeout(msecs_to_jiffies(BAUDRATE_SETTLE_TIMEOUT_MS));
> - set_current_state(TASK_RUNNING);
> + msleep(BAUDRATE_SETTLE_TIMEOUT_MS);
>
> return 0;
> }