linux-kernel - Re: [PATCH] usb: misc: Add driver for Motorola Solutions security accessories

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Message-ID: <2023121712-gigabyte-oppressed-b8f4@gregkh>
Date: Sun, 17 Dec 2023 09:29:18 +0100
From: Greg KH <gregkh@...uxfoundation.org>
To: Yinghua Yang Yang <yinghua.yang@...orolasolutions.com>
Cc: Alan Stern <stern@...land.harvard.edu>,
	zachary.zuzzio@...orolasolutions.com,
	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
	Oliver Neukum <oneukum@...e.com>,
	Lukas Bulwahn <lukas.bulwahn@...il.com>,
	Wentong Wu <wentong.wu@...el.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH] usb: misc: Add driver for Motorola Solutions security
 accessories

On Sat, Dec 16, 2023 at 12:15:35PM -0600, Yinghua Yang Yang wrote:
> I would prefer an easier way too. On a linux platform where udev
> is supported, a udev rule can be used to set the power/control flag. But on
> the platform I am using, the udev is not available and I don't have
> root access.
> If this driver is accepted by the Linux kernel, we hope the driver will
> subsequently be picked up by the platform's hardware vendor. With that, any
> USB device that is specified by this driver when plugged into the platform,
> auto suspend will be enabled on it.
> 
> Any suggestions will be appreciated.

As Alan says, please just fix your userspace to properly enable the
correct setting, no need for a kernel change at all.

You have the contacts and interactions to work with the hardware vendor,
don't use the kernel community as a "back door" to circumvent that.

thanks,

greg k-h