linux-kernel - Re: [PATCH 1/2] pcie/designware: Keep viewport fixed for IO transaction if num

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Message-ID: <20160705162310.GA23531@rob-hp-laptop>
Date:	Tue, 5 Jul 2016 11:23:10 -0500
From:	Rob Herring <robh@...nel.org>
To:	Pratyush Anand <panand@...hat.com>
Cc:	dongbo4@...wei.com, bhelgaas@...gle.com, jingoohan1@...il.com,
	linux-pci@...r.kernel.org,
	Pratyush Anand <pratyush.anand@...il.com>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@...r.kernel.org>, Joao Pinto <jpinto@...opsys.com>,
	open list <linux-kernel@...r.kernel.org>,
	Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH 1/2] pcie/designware: Keep viewport fixed for IO
 transaction if num_viewport > 2

On Mon, Jul 04, 2016 at 09:44:42PM +0530, Pratyush Anand wrote:
> From: Pratyush Anand <pratyush.anand@...il.com>
> 
> Most of the platform have 3 or more viewports. We do not need to share
> viewport for such platform between IO and CFG. Assign viewport 2 to IO
> transactions in such cases.
> 
> Signed-off-by: Pratyush Anand <pratyush.anand@...il.com>
> Tested-by: Dong Bo <dongbo4@...wei.com>
> ---
>  .../devicetree/bindings/pci/designware-pcie.txt    |  3 +++
>  drivers/pci/host/pcie-designware.c                 | 26 ++++++++++++++++------
>  drivers/pci/host/pcie-designware.h                 |  1 +
>  3 files changed, 23 insertions(+), 7 deletions(-)

Acked-by: Rob Herring <robh@...nel.org>