From: Andrew Lunn <andrew@lunn.ch>
To: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
Grant Likely <grant.likely@secretlab.ca>,
Rob Herring <rob.herring@calxeda.com>,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
Ezequiel Garcia <ezequiel.garcia@free-electrons.com>,
linux-arm-kernel@lists.infradead.org,
devicetree-discuss@lists.ozlabs.org,
linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Olof Johansson <olof@lixom.net>, Nicolas Pitre <nico@fluxnic.net>,
Lior Amsalem <alior@marvell.com>,
Maen Suleiman <maen@marvell.com>,
Tawfik Bayouk <tawfik@marvell.com>,
Shadi Ammouri <shadi@marvell.com>,
Eran Ben-Avi <benavi@marvell.com>,
Yehuda Yitschak <yehuday@marvell.com>,
Nadav Haklai <nadavh@marvell.com>,
Ike Pan <ike.pan@canonical.com>,
Chris Van Hoof <vanhoof@canonical.com>,
Dan Frazier <dann.frazier@canonical.com>,
Leif Lindholm <leif.lindholm@arm.com>
Subject: Re: [PATCH 2/5] arm: mvebu: Select DMA_BOUNCE when LPAE is selected in Kconfig
Date: Thu, 21 Mar 2013 20:18:05 +0100 [thread overview]
Message-ID: <20130321191805.GM21478@lunn.ch> (raw)
In-Reply-To: <1363883179-1361-3-git-send-email-gregory.clement@free-electrons.com>
On Thu, Mar 21, 2013 at 05:26:15PM +0100, Gregory CLEMENT wrote:
> From: Lior Amsalem <alior@marvell.com>
>
> For mvebu IOs are 32 bits and we have 40 bits memory due to LPAE so
> make sure we give 32 bits addresses to the IOs.
Hi Gregory, Lior
I don't really understand what this comment is supposed to mean. I
would of expect DMA and bounce to appear at least....
> Signed-off-by: Lior Amsalem <alior@marvell.com>
> Tested-by: Franklin <flin@marvell.com>
> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
> ---
> arch/arm/mach-mvebu/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
> index 440b13e..617da94 100644
> --- a/arch/arm/mach-mvebu/Kconfig
> +++ b/arch/arm/mach-mvebu/Kconfig
> @@ -13,6 +13,7 @@ config ARCH_MVEBU
> select MVEBU_CLK_CORE
> select MVEBU_CLK_CPU
> select MVEBU_CLK_GATING
> + select DMABOUNCE if ARM_LPAE
>
> if ARCH_MVEBU
>
> --
> 1.7.9.5
>
next prev parent reply other threads:[~2013-03-21 19:18 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-21 16:26 [PATCH 0/5] arm: mvebu: Enable LPAE support for Armada XP SoCs Gregory CLEMENT
[not found] ` <1363883179-1361-1-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2013-03-21 16:26 ` [PATCH 1/5] arm: mvebu: Aligne the internal registers virtual base to support LPAE Gregory CLEMENT
2013-03-21 16:26 ` [PATCH 2/5] arm: mvebu: Select DMA_BOUNCE when LPAE is selected in Kconfig Gregory CLEMENT
2013-03-21 18:19 ` Rob Herring
2013-03-21 19:18 ` Andrew Lunn [this message]
[not found] ` <1363883179-1361-3-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2013-03-22 11:32 ` Russell King - ARM Linux
[not found] ` <20130322113251.GB4977-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-03-23 19:48 ` Krzysztof Halasa
2013-03-21 16:26 ` [PATCH 3/5] arm: mvebu: Enable pj4b on LPAE compilations Gregory CLEMENT
2013-03-21 16:26 ` [PATCH 4/5] arm: dts: Add a 64 bits version of the skeleton device tree Gregory CLEMENT
2013-03-21 16:26 ` [PATCH 5/5] arm: dts: Convert mvebu device tree files to 64 bits Gregory CLEMENT
2013-03-21 17:59 ` Rob Herring
[not found] ` <514B4A79.1070501-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-03-21 19:03 ` Arnd Bergmann
2013-03-21 19:18 ` Thomas Petazzoni
2013-03-21 21:31 ` Arnd Bergmann
[not found] ` <201303212131.07629.arnd-r2nGTMty4D4@public.gmane.org>
2013-03-21 22:30 ` Sebastian Hesselbarth
2013-03-21 20:15 ` Andrew Lunn
2013-03-21 20:22 ` Thomas Petazzoni
2013-03-21 20:30 ` Jason Cooper
2013-03-21 20:37 ` Andrew Lunn
2013-03-21 21:08 ` Thomas Petazzoni
2013-03-21 21:16 ` Thomas Petazzoni
2013-03-21 20:55 ` Jason Gunthorpe
2013-03-21 21:15 ` Thomas Petazzoni
2013-03-21 21:35 ` Lior Amsalem
[not found] ` <EE71107DF0D1F24FA2D95041E64AB9E801A56C7B6D24-YTFUtKQQMWV5iqk/IoNZdEEOCMrvLtNR@public.gmane.org>
2013-03-21 21:46 ` Jason Gunthorpe
[not found] ` <20130321214607.GC8431-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-03-21 21:58 ` Lior Amsalem
[not found] ` <EE71107DF0D1F24FA2D95041E64AB9E801A56C7B6D25-YTFUtKQQMWV5iqk/IoNZdEEOCMrvLtNR@public.gmane.org>
2013-03-22 6:55 ` Arnd Bergmann
2013-03-21 21:41 ` Jason Gunthorpe
2013-03-21 22:26 ` Sebastian Hesselbarth
2013-03-22 9:55 ` Arnd Bergmann
[not found] ` <20130321205545.GA8358-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-03-21 21:25 ` Andrew Lunn
2013-03-22 6:28 ` Andrew Lunn
[not found] ` <20130322062854.GS21478-g2DYL2Zd6BY@public.gmane.org>
2013-03-22 17:43 ` Jason Gunthorpe
[not found] ` <20130322174300.GA10230-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-03-22 19:33 ` Arnd Bergmann
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