linux-kernel - Re: forcedeth: option to disable 100Hz timer

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Message-ID: <20080902014058.0253cae2@lxorguk.ukuu.org.uk>
Date:	Tue, 2 Sep 2008 01:40:58 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Mikhail Kshevetskiy <mikhail.kshevetskiy@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: forcedeth: option to disable 100Hz timer

On Tue, 2 Sep 2008 02:47:48 +0400
Mikhail Kshevetskiy <mikhail.kshevetskiy@...il.com> wrote:

> On some hardware no TX done interrupts are generated, thus special
> 100Hz timer interrupt is required to handle this situation properly.
> Other device do not require that timer interrupt feature.
> 
> Patch add a "disable_timerirq" option to disable interrupt timer 
> mentioned above. This may be extremely usefull for laptop users.

Is it not possible to detect this case. Do the problem devices just miss
some TX interrupts or generate most but not all ?

Alan
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