From: "David S. Miller" <davem@davemloft.net>
To: benh@kernel.crashing.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sungem: Make PM of PHYs more reliable (#2)
Date: Mon, 23 Jan 2006 16:30:37 -0800 (PST) [thread overview]
Message-ID: <20060123.163037.52587086.davem@davemloft.net> (raw)
In-Reply-To: <1137899170.24244.1.camel@localhost.localdomain>
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Sun, 22 Jan 2006 14:06:10 +1100
> On my latest laptop, I've had occasional PHY dead on wakeup from
> sleep... the PHY would be totally unresponsive even to toggling the hard
> reset line until the machine is powered down... Looking closely at the
> code, I found some possible issues in the way we setup the MDIO lines
> during suspend along with slight divergences from what Darwin does when
> resetting it that may explain the problem. That patch change these and
> the problem appear to be gone for me at least... I also fixed an mdelay
> -> msleep while I was at it to the pmac feature code that is called
> when toggling the PHY reset line since sungem doesn't call it in an
> atomic context anymore.
>
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Applied, thanks Ben.
prev parent reply other threads:[~2006-01-24 0:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-22 3:06 Benjamin Herrenschmidt
2006-01-24 0:30 ` David S. Miller [this message]
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