linux-kernel - Re: [patch 1/2] input: introduce a tougher i8042.reset

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Message-Id: <20090205135229.e4d5efc3.akpm@linux-foundation.org>
Date:	Thu, 5 Feb 2009 13:52:29 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-input@...r.kernel.org, arjan@...radead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 1/2] input: introduce a tougher i8042.reset

On Wed, 4 Feb 2009 19:16:31 -0800
Arjan van de Ven <arjan@...radead.org> wrote:

> Some touchpads don't reset right the first time (MSI Wind U-100 for
> example). This patch will retry the reset up to 5 times.

Sigh, real life sucks.  I wonder what the windows driver does.

> In addition, this patch also adds a module parameter to not treat
> reset failures as fatal to the usage of the device. This prevents
> a touchpad failure from also disabling the keyboard....
> 

Is there any reason why we shouldn't just do this all the time?

IOW, is there any benefit in marking the 8042 as dead?

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