linux-kernel - Re: [PATCH v7 3/3] Bluetooth: NXP: Add protocol support for NXP Bluetooth chipsets

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Message-ID: <ZAjdtRQEEycCw+52@francesco-nb.int.toradex.com>
Date:   Wed, 8 Mar 2023 20:10:45 +0100
From:   Francesco Dolcini <francesco@...cini.it>
To:     Neeraj Sanjay Kale <neeraj.sanjaykale@....com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, marcel@...tmann.org,
        johan.hedberg@...il.com, luiz.dentz@...il.com,
        gregkh@...uxfoundation.org, jirislaby@...nel.org,
        alok.a.tiwari@...cle.com, hdanton@...a.com,
        ilpo.jarvinen@...ux.intel.com, leon@...nel.org,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        linux-serial@...r.kernel.org, amitkumar.karwar@....com,
        rohit.fule@....com, sherry.sun@....com
Subject: Re: [PATCH v7 3/3] Bluetooth: NXP: Add protocol support for NXP
 Bluetooth chipsets

On Mon, Mar 06, 2023 at 10:35:25PM +0530, Neeraj Sanjay Kale wrote:
> This adds a driver based on serdev driver for the NXP BT serial protocol
> based on running H:4, which can enable the built-in Bluetooth device
> inside an NXP BT chip.
> 
> This driver has Power Save feature that will put the chip into sleep state
> whenever there is no activity for 2000ms, and will be woken up when any
> activity is to be initiated over UART.
> 
> This driver enables the power save feature by default by sending the vendor
> specific commands to the chip during setup.
> 
> During setup, the driver checks if a FW is already running on the chip
> by waiting for the bootloader signature, and downloads device specific FW
> file into the chip over UART if bootloader signature is received..
> 
> Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@....com>

Hello Neeraj Sanjay Kale,
please do not forget to have a look at the questions [0] I send on v6.

Thanks,
Francesco

[0] https://lore.kernel.org/all/ZAX%2FHHyy2yL76N0K@francesco-nb.int.toradex.com/