linux-kernel - Re: [RFC PATCH 4/4] usb: core: Add Kconfig option to compile usb authorization

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Message-ID: <2025062104-debate-compactly-9aee@gregkh>
Date: Sat, 21 Jun 2025 09:22:36 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: nicolas.bouchinet@....cyber.gouv.fr
Cc: Alan Stern <stern@...land.harvard.edu>,
	Kannappan R <r.kannappan@...el.com>,
	Sabyrzhan Tasbolatov <snovitoll@...il.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Stefan Eichenberger <stefan.eichenberger@...adex.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Pawel Laszczak <pawell@...ence.com>, Ma Ke <make_ruc2021@....com>,
	Jeff Johnson <jeff.johnson@....qualcomm.com>,
	Luc Bonnafoux <luc.bonnafoux@....gouv.fr>,
	Luc Bonnafoux <luc.bonnafoux@....cyber.gouv.fr>,
	Nicolas Bouchinet <nicolas.bouchinet@....gouv.fr>,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [RFC PATCH 4/4] usb: core: Add Kconfig option to compile usb
 authorization

On Fri, Jun 20, 2025 at 04:27:19PM +0200, nicolas.bouchinet@....cyber.gouv.fr wrote:
> From: Nicolas Bouchinet <nicolas.bouchinet@....gouv.fr>
> 
> This enables the usb authentication protocol implementation.
> 
> Co-developed-by: Luc Bonnafoux <luc.bonnafoux@....gouv.fr>
> Signed-off-by: Luc Bonnafoux <luc.bonnafoux@....gouv.fr>
> Signed-off-by: Nicolas Bouchinet <nicolas.bouchinet@....gouv.fr>
> ---
>  drivers/usb/core/Kconfig  | 8 ++++++++
>  drivers/usb/core/Makefile | 4 ++++
>  2 files changed, 12 insertions(+)
> 
> diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
> index 58e3ca7e479392112f656384c664efc36bb1151a..07ba67137b7fe16ecb1e993a51dbbfd4dd3ada88 100644
> --- a/drivers/usb/core/Kconfig
> +++ b/drivers/usb/core/Kconfig
> @@ -143,3 +143,11 @@ config USB_DEFAULT_AUTHORIZATION_MODE
>  	  ACPI selecting value 2 is analogous to selecting value 0.
>  
>  	  If unsure, keep the default value.
> +
> +config USB_AUTHENTICATION
> +	bool "Enable USB authentication function"
> +	default n

Nit, "default n" is the default, no need to ever list it.

thanks,

greg k-h