netdev - Re: [PATCH 14/19] sky2: remove unnecessary reads of PCI_CAP_ID

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Message-ID: <20110627115509.44f3f16a@nehalam.ftrdhcpuser.net>
Date:	Mon, 27 Jun 2011 11:55:09 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Jon Mason <jdmason@...zu.us>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 14/19] sky2: remove unnecessary reads of PCI_CAP_ID_EXP

On Mon, 27 Jun 2011 12:46:56 -0500
Jon Mason <jdmason@...zu.us> wrote:

> The PCIE capability offset is saved during PCI bus walking.  It will
> remove an unnecessary search in the PCI configuration space if this
> value is referenced instead of reacquiring it.  Also, pci_is_pcie is a
> better way of determining if the device is PCIE or not (as it uses the
> same saved PCIE capability offset).
> 
> Signed-off-by: Jon Mason <jdmason@...zu.us>

Acked-by: Stephen Hemminger <shemminger@...tta.com>
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