On Fri, Jul 20, 2018 at 07:02:40PM +0530, Balakrishna Godavarthi wrote:
> In function qca_setup, we set initial and operating speeds for Qualcomm
> Bluetooth SoC's. This block of code is common across different
> Qualcomm Bluetooth SoC's. Instead of duplicating the code, created
> a wrapper function to set the speeds. So that future coming SoC's
> can use these wrapper functions to set speeds.
>
> Signed-off-by: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx>
> Reviewed-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
> ---
> drivers/bluetooth/hci_qca.c | 93 ++++++++++++++++++++++++++++---------
> 1 file changed, 70 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
> index 5f1c0a8fd5cd..5f8a74d65bec 100644
> --- a/drivers/bluetooth/hci_qca.c
> +++ b/drivers/bluetooth/hci_qca.c
> @@ -119,6 +119,11 @@ struct qca_data {
> u64 votes_off;
> };
>
> +enum qca_speed_type {
> + QCA_INIT_SPEED = 1,
> + QCA_OPER_SPEED
> +};
> +
> struct qca_serdev {
> struct hci_uart serdev_hu;
> struct gpio_desc *bt_en;
> @@ -923,6 +928,61 @@ static inline void host_set_baudrate(struct hci_uart *hu, unsigned int speed)
> hci_uart_set_baudrate(hu, speed);
> }
>
> +static unsigned int qca_get_speed(struct hci_uart *hu,
> + enum qca_speed_type speed_type)
> +{
> + unsigned int speed = 0;
> +
> + if (speed_type == QCA_INIT_SPEED) {
> + if (hu->init_speed)
> + speed = hu->init_speed;
> + else if (hu->proto->init_speed)
> + speed = hu->proto->init_speed;
> + } else {
> + if (hu->oper_speed)
> + speed = hu->oper_speed;
> + else if (hu->proto->oper_speed)
> + speed = hu->proto->oper_speed;
> + }
> +
> + return speed;
> +}
> +
> +static int qca_check_speeds(struct hci_uart *hu)
> +{
> + if (!qca_get_speed(hu, QCA_INIT_SPEED) ||
> + !qca_get_speed(hu, QCA_OPER_SPEED))
> + return -EINVAL;
You changed this from:
/* One or the other speeds should be non zero. */
if (!qca_get_speed(hu, QCA_INIT_SPEED) &&
!qca_get_speed(hu, QCA_OPER_SPEED))
return -EINVAL;
There is no entry in the change log. What is the reason for this
change?
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