netdev - Re: [PATCH 1/2] bna: fix for clean fw re-initialization

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Message-Id: <20110414.133957.226775217.davem@davemloft.net>
Date:	Thu, 14 Apr 2011 13:39:57 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	rmody@...cade.com
Cc:	netdev@...r.kernel.org, ddutt@...cade.com
Subject: Re: [PATCH 1/2] bna: fix for clean fw re-initialization

From: Rasesh Mody <rmody@...cade.com>
Date: Thu, 14 Apr 2011 11:05:18 -0700

> During a kernel crash, bna control path state machine and firmware do not
> get a notification and hence are not cleanly shutdown. The registers
> holding driver/IOC state information are not reset back to valid
> disabled/parking values. This causes subsequent driver initialization
> to hang during kdump kernel boot. This patch, during the initialization
> of first PCI function, resets corresponding register when unclean shutown
> is detect by reading chip registers. This will make sure that ioc/fw
> gets clean re-initialization.
> 
> Signed-off-by: Debashis Dutt <ddutt@...cade.com>
> Signed-off-by: Rasesh Mody <rmody@...cade.com>

Applied.
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