netdev - Re: [PATCH v2 3/4] bluetooth: hci_uart: add LL protocol serdev driver support

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Message-Id: <1EF987AA-8426-43BF-B92B-62AFF554FAA1@holtmann.org>
Date:   Wed, 12 Apr 2017 22:20:26 +0200
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Rob Herring <robh@...nel.org>
Cc:     linux-bluetooth@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        "Gustavo F. Padovan" <gustavo@...ovan.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Wei Xu <xuwei5@...ilicon.com>, Eyal Reizer <eyalr@...com>,
        Satish Patel <satish.patel@...aro.org>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v2 3/4] bluetooth: hci_uart: add LL protocol serdev driver
 support

Hi Rob,

> Turns out that the LL protocol and the TI-ST are the same thing AFAICT.
> The TI-ST adds firmware loading, GPIO control, and shared access for
> NFC, FM radio, etc. For now, we're only implementing what is needed for
> BT. This mirrors other drivers like BCM and Intel, but uses the new
> serdev bus.
> 
> The firmware loading is greatly simplified by using existing
> infrastructure to send commands. It may be a bit slower than the
> original code using synchronous functions, but the real bottleneck is
> likely doing firmware load at 115.2kbps.
> 
> Signed-off-by: Rob Herring <robh@...nel.org>
> Cc: Marcel Holtmann <marcel@...tmann.org>
> Cc: Gustavo Padovan <gustavo@...ovan.org>
> Cc: Johan Hedberg <johan.hedberg@...il.com>
> Cc: linux-bluetooth@...r.kernel.org
> ---
> v2:
> - Use IS_ENABLED() to fix module build
> 
> drivers/bluetooth/hci_ll.c | 261 ++++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 260 insertions(+), 1 deletion(-)

can you re-send any missing patch on top of today's bluetooth-next tree.

Regards

Marcel