linux-kernel - Re: [PATCH 1/2] Bluetooth: hci_qca: Rename STATE_<flags> to QCA

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Message-ID: <9500f5a6edd2ecb9b376e3ba1a5ac4bd@codeaurora.org>
Date:   Thu, 07 Mar 2019 07:51:33 +0530
From:   Balakrishna Godavarthi <bgodavar@...eaurora.org>
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
        Hemantg <hemantg@...eaurora.org>
Subject: Re: [PATCH 1/2] Bluetooth: hci_qca: Rename STATE_<flags> to
 QCA_<flags>

On 2019-03-07 06:10, Matthias Kaehlcke wrote:
> Rename STATE_IN_BAND_SLEEP_ENABLED to QCA_IN_BAND_SLEEP_ENABLED.
> The constant represents a flag (multiple flags can be set at once),
> not a unique state of the controller or driver. Also use the BIT()
> macro to specify the position of the flag instead of an integer
> literal.
> 
> Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
> ---
>  drivers/bluetooth/hci_qca.c | 11 +++++------
>  1 file changed, 5 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
> index 237aea34b69f1..ab8e59419dbc4 100644
> --- a/drivers/bluetooth/hci_qca.c
> +++ b/drivers/bluetooth/hci_qca.c
> @@ -54,8 +54,7 @@
>  #define HCI_IBS_WAKE_ACK	0xFC
>  #define HCI_MAX_IBS_SIZE	10
> 
> -/* Controller states */
> -#define STATE_IN_BAND_SLEEP_ENABLED	1
> +#define QCA_IN_BAND_SLEEP_ENABLED	BIT(0)
> 
>  #define IBS_WAKE_RETRANS_TIMEOUT_MS	100
>  #define IBS_TX_IDLE_TIMEOUT_MS		2000
> @@ -775,7 +774,7 @@ static int qca_enqueue(struct hci_uart *hu, struct
> sk_buff *skb)
>  	/* Don't go to sleep in middle of patch download or
>  	 * Out-Of-Band(GPIOs control) sleep is selected.
>  	 */
> -	if (!test_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags)) {
> +	if (!test_bit(QCA_IN_BAND_SLEEP_ENABLED, &qca->flags)) {
>  		skb_queue_tail(&qca->txq, skb);
>  		spin_unlock_irqrestore(&qca->hci_ibs_lock, flags);
>  		return 0;
> @@ -1192,7 +1191,7 @@ static int qca_setup(struct hci_uart *hu)
>  		return ret;
> 
>  	/* Patch downloading has to be done without IBS mode */
> -	clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
> +	clear_bit(QCA_IN_BAND_SLEEP_ENABLED, &qca->flags);
> 
>  	if (qcadev->btsoc_type == QCA_WCN3990) {
>  		bt_dev_info(hdev, "setting up wcn3990");
> @@ -1236,7 +1235,7 @@ static int qca_setup(struct hci_uart *hu)
>  	/* Setup patch / NVM configurations */
>  	ret = qca_uart_setup(hdev, qca_baudrate, qcadev->btsoc_type, 
> soc_ver);
>  	if (!ret) {
> -		set_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
> +		set_bit(QCA_IN_BAND_SLEEP_ENABLED, &qca->flags);
>  		qca_debugfs_init(hdev);
>  	} else if (ret == -ENOENT) {
>  		/* No patch/nvm-config found, run with original fw/config */
> @@ -1294,7 +1293,7 @@ static void qca_power_shutdown(struct hci_uart 
> *hu)
>  	 * data in skb's.
>  	 */
>  	spin_lock_irqsave(&qca->hci_ibs_lock, flags);
> -	clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
> +	clear_bit(QCA_IN_BAND_SLEEP_ENABLED, &qca->flags);
>  	qca_flush(hu);
>  	spin_unlock_irqrestore(&qca->hci_ibs_lock, flags);


Reviewed-by: Balakrishna Godavarthi <bgodavar@...eaurora.org>
-- 
Regards
Balakrishna.