linux-kernel - Re: [PATCH v8 3/3] Bluetooth: NXP: Add protocol support for NXP Bluetooth chipsets

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Message-ID: <52e8d148-8b0-c0f7-5f27-716ec2d247e0@linux.intel.com>
Date:   Mon, 13 Mar 2023 11:01:47 +0200 (EET)
From:   Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
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,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>, alok.a.tiwari@...cle.com,
        hdanton@...a.com, leon@...nel.org, Netdev <netdev@...r.kernel.org>,
        devicetree@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        linux-bluetooth@...r.kernel.org,
        linux-serial <linux-serial@...r.kernel.org>,
        amitkumar.karwar@....com, rohit.fule@....com, sherry.sun@....com
Subject: Re: [PATCH v8 3/3] Bluetooth: NXP: Add protocol support for NXP
 Bluetooth chipsets

On Fri, 10 Mar 2023, 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>
> ---

> v8: Move bootloader signature handling to a separate function. Add
> select CRC32 to Kconfig file. (Ilpo Järvinen)

> +config BT_NXPUART
> +	tristate "NXP protocol support"
> +	depends on SERIAL_DEV_BUS
> +	help
> +	  NXP is serial driver required for NXP Bluetooth
> +	  devices with UART interface.
> +
> +	  Say Y here to compile support for NXP Bluetooth UART device into
> +	  the kernel, or say M here to compile as a module (btnxpuart).
> +
> +

The select change in not there.


-- 
 i.