linux-kernel - Re: [PATCH 3/3] Drop platform sysfs support

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Date:	Tue, 18 Aug 2009 12:48:46 -0500
From:	Mario Limonciello <mario_limonciello@...l.com>
To:	Alan Jenkins <sourcejedi.lkml@...glemail.com>
CC:	Marcel Holtmann <marcel@...tmann.org>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, cezary.jackiewicz@...il.com
Subject: Re: [PATCH 3/3] Drop platform sysfs support

Hi Alan:

Alan Jenkins wrote:
>
> Ok.  I wasn't sure that userspace was allowed to rely on that, but I
> re-read Documentation/ABI/testing/sysfs-devices and I see now that it
> can be allowed.
>
> Some of these issues with the compal-laptop work may come from copying
> dell-laptop.  dell-laptop is the only driver which creates rfkill
> devices without a parent device.  In fact, it doesn't even create a
> platform device :-).
>
> I'll try sending a patch or two to clean up dell-laptop.  I don't have
> the hardware but it should be pretty mechanical, almost a copy+paste
> job from a "good" driver.
>
>   
Yeah, a lot of  the source for the design issues here were from copying
bits out of dell-laptop.  I've made adjustments to this third patch to
only drop the sysfs attributes but still create the platform device.
-- 
Mario Limonciello
*Dell | Linux Engineering*
mario_limonciello@...l.com

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