linux-kernel - Re: [PATCH 3/3] e1000e: remove failed request for sw/fw/hw flag

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Message-ID: <48DAE089.20307@garzik.org>
Date:	Wed, 24 Sep 2008 20:51:21 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
CC:	mingo@...e.hu, davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, jesse.brandeburg@...el.com,
	john.ronciak@...el.com, Bruce Allan <bruce.w.allan@...el.com>
Subject: Re: [PATCH 3/3] e1000e: remove failed request for sw/fw/hw flag

Jeff Kirsher wrote:
> From: Bruce Allan <bruce.w.allan@...el.com>
> 
> When the driver fails to acquire the control flag used to serialize
> NVM and PHY accesses between the driver, firmware and hardware, remove the
> request for the flag otherwise the hardware might grant the flag when it
> becomes available but the driver will not release the flag.  This could
> cause the firmware to prevent the driver getting the flag for all future
> attempts.
> 
> Signed-off-by: Bruce Allan <bruce.w.allan@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
> ---
> 
>  drivers/net/e1000e/ich8lan.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)

applied


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