Date: Mon, 22 Nov 2004 14:24:39 -0800
From: Andrew Morton <akpm@osdl.org>
To: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: rmk+lkml@arm.linux.org.uk, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] pcmcia: Add disable_clkrun option
Message-Id: <20041122142439.45d5f439.akpm@osdl.org>
In-Reply-To: <87brdqxjn1.fsf@devron.myhome.or.jp>
References: <87brdqxjn1.fsf@devron.myhome.or.jp>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1027
Lines: 28

OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> wrote:
>
> Hi,
> 
> I received report that transmission of Realtek 8139 doesn't work.  The
> cause of this problem was CLKRUN protocols of laptop's TI 12xx CardBus
> bridge.
> 
> And I remember that this problem had happened on Thinkpad before. In
> the case, problem seems solved by similar workaround of sound/oss/cs46xx.c.

What is a CLKRUN protocol and why do we need to disable it?  Is it a
hardware bug, or is the kernel malfunctioning in some way?

> This patch adds "disable_clkrun" option as workaround of problem to
> yenta_socket.

We should add a MODULE_PARM_DESC as well, so users have some hope of finding
this option.

But what are the symptoms of the problem?  How would a user know that he
should try using this option?

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/