linux-kernel - Re: [PATCH v2 0/4] toshiba_acpi: Add support for USB Sleep functions

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Date:	Tue, 20 Jan 2015 12:15:26 +0100
From:	Oliver Neukum <oneukum@...e.de>
To:	Azael Avalos <coproscefalo@...il.com>
Cc:	Darren Hart <dvhart@...radead.org>,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH v2 0/4] toshiba_acpi: Add support for USB Sleep functions

On Sun, 2015-01-18 at 18:30 -0700, Azael Avalos wrote:
> The following patches add support to several USB Sleep functions
> found on newer Toshiba laptops, allowing to use the USB ports while
> the laptop is asleep or turned off.

Hi,

this is most interesting. But the interface is terrible. If
possible we would like to have a generic interface for this,
which should not depend on the specific platform in use and would
have to be per bus or even per port (for example the ports on a
Thunderbolt dock would not work with your module).
Do you think we could provide a hook from generic code into
platform code to detect the capability for power control?

	Regards
		Oliver

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