From: shawnguo@kernel.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/1] ARM: dts: imx6qdl.dtsi: add "arm, shared-override" for pl310
Date: Thu, 16 Jun 2016 09:02:09 +0800 [thread overview]
Message-ID: <20160616010209.GL20243@tiger> (raw)
In-Reply-To: <1465292365-26038-1-git-send-email-peter.chen@nxp.com>
On Tue, Jun 07, 2016 at 05:39:25PM +0800, Peter Chen wrote:
> The imx6 SMP system has the same DMA memory coherency issue [1] with
> pl310 L2 controller. With this shared override bit set, the customer
> reports the DMA coherency issue is gone. Besides, I have tested
> the performance using USB ethernet with/without this bit, it shows
> no difference.
>
> [1] http://patchwork.ozlabs.org/patch/469362/
>
> Signed-off-by: Peter Chen <peter.chen@nxp.com>
Applied, thanks.
prev parent reply other threads:[~2016-06-16 1:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-07 9:39 [PATCH 1/1] ARM: dts: imx6qdl.dtsi: add "arm, shared-override" for pl310 Peter Chen
2016-06-11 11:57 ` Shawn Guo
2016-06-13 9:15 ` Peter Chen
2016-06-13 9:24 ` Lucas Stach
2016-06-13 9:42 ` Peter Chen
2016-06-13 11:14 ` Lucas Stach
2016-06-14 1:30 ` Peter Chen
2016-06-14 10:11 ` Lucas Stach
2016-06-16 1:02 ` Shawn Guo [this message]
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