linux-kernel - Re: [PATCH] Bluetooth: hci_qca: fix in-band sleep enablement

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Message-ID: <238f01ec4b49fee4c0d08a0b8da7e95f@codeaurora.org>
Date:   Fri, 11 Oct 2019 12:31:33 +0530
From:   Harish Bandi <c-hbandi@...eaurora.org>
To:     Claire Chang <tientzu@...omium.org>
Cc:     marcel@...tmann.org, johan.hedberg@...il.com,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
        rjliao@...eaurora.org, rongchi@...eaurora.org,
        linux-bluetooth-owner@...r.kernel.org,
        Balakrishna Godavarthi <bgodavar@...eaurora.org>
Subject: Re: [PATCH] Bluetooth: hci_qca: fix in-band sleep enablement

++ Balakrishna

On 2019-10-09 14:21, Claire Chang wrote:
> Enabling in-band sleep when there is no patch/nvm-config found and
> bluetooth is running with the original fw/config.
> 
> Fixes: ba8f35979002 ("Bluetooth: hci_qca: Avoid setup failure on
> missing rampatch")
> Fixes: 7dc5fe0814c3 ("Bluetooth: hci_qca: Avoid missing rampatch
> failure with userspace fw loader")
> Signed-off-by: Claire Chang <tientzu@...omium.org>
> ---
>  drivers/bluetooth/hci_qca.c | 11 +++++++----
>  1 file changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
> index e3164c200eac..367eef893a11 100644
> --- a/drivers/bluetooth/hci_qca.c
> +++ b/drivers/bluetooth/hci_qca.c
> @@ -1291,10 +1291,8 @@ static int qca_setup(struct hci_uart *hu)
>  	/* Setup patch / NVM configurations */
>  	ret = qca_uart_setup(hdev, qca_baudrate, soc_type, soc_ver,
>  			firmware_name);
> -	if (!ret) {
> -		set_bit(QCA_IBS_ENABLED, &qca->flags);
> -		qca_debugfs_init(hdev);
> -	} else if (ret == -ENOENT) {
> +
> +	if (ret == -ENOENT) {
>  		/* No patch/nvm-config found, run with original fw/config */
>  		ret = 0;
>  	} else if (ret == -EAGAIN) {
> @@ -1305,6 +1303,11 @@ static int qca_setup(struct hci_uart *hu)
>  		ret = 0;
>  	}
> 
> +	if (!ret) {
> +		set_bit(QCA_IBS_ENABLED, &qca->flags);
> +		qca_debugfs_init(hdev);
> +	}
> +
>  	/* Setup bdaddr */
>  	if (qca_is_wcn399x(soc_type))
>  		hu->hdev->set_bdaddr = qca_set_bdaddr;