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Subject: Re: [PATCH v2 1/2] Bluetooth: Bluetooth: btmtksdio: handle runtime pm
 only when sdio_func is available
From:   Marcel Holtmann <marcel@holtmann.org>
In-Reply-To: <73960845c299e2cd22c11b84014ff6ba4758e9bb.1638381385.git.objelf@gmail.com>
Date:   Fri, 3 Dec 2021 22:08:06 +0100
Cc:     Johan Hedberg <johan.hedberg@gmail.com>,
        =?utf-8?B?Ik1hcmstWVcgQ2hlbiAo6Zmz5o+a5paHKSI=?= 
        <Mark-YW.Chen@mediatek.com>, Soul.Huang@mediatek.com,
        YN.Chen@mediatek.com, Leon.Yen@mediatek.com,
        Eric-SY.Chang@mediatek.com, Deren.Wu@mediatek.com,
        km.lin@mediatek.com, robin.chiu@mediatek.com,
        Eddie.Chen@mediatek.com, ch.yeh@mediatek.com,
        posh.sun@mediatek.com, ted.huang@mediatek.com,
        Eric.Liang@mediatek.com, Stella.Chang@mediatek.com,
        Tom.Chou@mediatek.com, steve.lee@mediatek.com, jsiuda@google.com,
        frankgor@google.com, jemele@google.com, abhishekpandit@google.com,
        michaelfsun@google.com, mcchou@chromium.org, shawnku@google.com,
        linux-bluetooth@vger.kernel.org,
        linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
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Message-Id: <D82A5F07-0E51-444C-9179-17AD75F7107D@holtmann.org>
References: <73960845c299e2cd22c11b84014ff6ba4758e9bb.1638381385.git.objelf@gmail.com>
To:     Sean Wang <sean.wang@mediatek.com>
Precedence: bulk

Hi Sean,

> Runtime pm ops is not aware the sdio_func status that is probably
> being disabled by btmtksdio_close. Thus, we are only able to access the
> sdio_func for the runtime pm operations only when the sdio_func is
> available.
> 
> Fixes: 7f3c563c575e7 ("Bluetooth: btmtksdio: Add runtime PM support to SDIO based Bluetooth")
> Co-developed-by: Mark-yw Chen <mark-yw.chen@mediatek.com>
> Signed-off-by: Mark-yw Chen <mark-yw.chen@mediatek.com>
> Signed-off-by: Sean Wang <sean.wang@mediatek.com>
> ---
> v2: not check HCI_RUNNING from a driver, use an internal flag instead
> ---
> drivers/bluetooth/btmtksdio.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)

patch has been applied to bluetooth-next tree.

Regards

Marcel