From: robherring2@gmail.com (Rob Herring)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/5] arm: mvebu: Select DMA_BOUNCE when LPAE is selected in Kconfig
Date: Thu, 21 Mar 2013 13:19:43 -0500 [thread overview]
Message-ID: <514B4F3F.8000308@gmail.com> (raw)
In-Reply-To: <1363883179-1361-3-git-send-email-gregory.clement@free-electrons.com>
On 03/21/2013 11:26 AM, 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.
>
> 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
This alone is not enough to use bounce buffers. Am I missing something?
Rob
>
> if ARCH_MVEBU
>
>
WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robherring2@gmail.com>
To: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
Lior Amsalem <alior@marvell.com>, Ike Pan <ike.pan@canonical.com>,
David Marlin <dmarlin@redhat.com>,
Yehuda Yitschak <yehuday@marvell.com>,
Tawfik Bayouk <tawfik@marvell.com>,
Dan Frazier <dann.frazier@canonical.com>,
Eran Ben-Avi <benavi@marvell.com>,
Leif Lindholm <leif.lindholm@arm.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Jon Masters <jcm@redhat.com>,
devicetree-discuss@lists.ozlabs.org,
Rob Herring <rob.herring@calxeda.com>,
linux-arm-kernel@lists.infradead.org,
Chris Van Hoof <vanhoof@canonical.com>,
linux-kernel@vger.kernel.org, Maen Suleiman <maen@marvell.com>,
Nadav Haklai <nadavh@marvell.com>,
Shadi Ammouri <shadi@marvell.com>
Subject: Re: [PATCH 2/5] arm: mvebu: Select DMA_BOUNCE when LPAE is selected in Kconfig
Date: Thu, 21 Mar 2013 13:19:43 -0500 [thread overview]
Message-ID: <514B4F3F.8000308@gmail.com> (raw)
In-Reply-To: <1363883179-1361-3-git-send-email-gregory.clement@free-electrons.com>
On 03/21/2013 11:26 AM, 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.
>
> 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
This alone is not enough to use bounce buffers. Am I missing something?
Rob
>
> if ARCH_MVEBU
>
>
next prev parent reply other threads:[~2013-03-21 18:19 UTC|newest]
Thread overview: 90+ 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
2013-03-21 16:26 ` Gregory CLEMENT
2013-03-21 16:26 ` Gregory CLEMENT
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 ` Gregory CLEMENT
2013-03-21 16:26 ` 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 16:26 ` Gregory CLEMENT
2013-03-21 16:26 ` Gregory CLEMENT
2013-03-21 18:19 ` Rob Herring [this message]
2013-03-21 18:19 ` Rob Herring
2013-03-21 19:18 ` Andrew Lunn
2013-03-21 19:18 ` Andrew Lunn
2013-03-21 19:18 ` Andrew Lunn
2013-03-22 11:32 ` Russell King - ARM Linux
2013-03-22 11:32 ` Russell King - ARM Linux
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 ` Gregory CLEMENT
2013-03-21 16:26 ` 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 ` Gregory CLEMENT
2013-03-21 16:26 ` 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 16:26 ` Gregory CLEMENT
2013-03-21 16:26 ` Gregory CLEMENT
2013-03-21 17:59 ` Rob Herring
2013-03-21 17:59 ` Rob Herring
2013-03-21 17:59 ` Rob Herring
2013-03-21 19:03 ` Arnd Bergmann
2013-03-21 19:03 ` Arnd Bergmann
2013-03-21 19:03 ` Arnd Bergmann
2013-03-21 19:18 ` Thomas Petazzoni
2013-03-21 19:18 ` Thomas Petazzoni
2013-03-21 19:18 ` Thomas Petazzoni
2013-03-21 21:31 ` Arnd Bergmann
2013-03-21 21:31 ` Arnd Bergmann
2013-03-21 21:31 ` Arnd Bergmann
2013-03-21 22:30 ` Sebastian Hesselbarth
2013-03-21 22:30 ` Sebastian Hesselbarth
2013-03-21 22:30 ` Sebastian Hesselbarth
2013-03-21 20:15 ` Andrew Lunn
2013-03-21 20:15 ` Andrew Lunn
2013-03-21 20:15 ` Andrew Lunn
2013-03-21 20:22 ` Thomas Petazzoni
2013-03-21 20:22 ` Thomas Petazzoni
2013-03-21 20:22 ` Thomas Petazzoni
2013-03-21 20:30 ` Jason Cooper
2013-03-21 20:30 ` Jason Cooper
2013-03-21 20:30 ` Jason Cooper
2013-03-21 20:37 ` Andrew Lunn
2013-03-21 20:37 ` Andrew Lunn
2013-03-21 20:37 ` Andrew Lunn
2013-03-21 21:08 ` Thomas Petazzoni
2013-03-21 21:08 ` Thomas Petazzoni
2013-03-21 21:08 ` Thomas Petazzoni
2013-03-21 21:16 ` Thomas Petazzoni
2013-03-21 21:16 ` Thomas Petazzoni
2013-03-21 21:16 ` Thomas Petazzoni
2013-03-21 20:55 ` Jason Gunthorpe
2013-03-21 20:55 ` Jason Gunthorpe
2013-03-21 20:55 ` Jason Gunthorpe
2013-03-21 21:15 ` Thomas Petazzoni
2013-03-21 21:15 ` Thomas Petazzoni
2013-03-21 21:15 ` Thomas Petazzoni
2013-03-21 21:35 ` Lior Amsalem
2013-03-21 21:35 ` Lior Amsalem
2013-03-21 21:46 ` Jason Gunthorpe
2013-03-21 21:46 ` Jason Gunthorpe
2013-03-21 21:58 ` Lior Amsalem
2013-03-21 21:58 ` Lior Amsalem
2013-03-22 6:55 ` Arnd Bergmann
2013-03-22 6:55 ` Arnd Bergmann
2013-03-21 21:41 ` Jason Gunthorpe
2013-03-21 21:41 ` Jason Gunthorpe
2013-03-21 21:41 ` Jason Gunthorpe
2013-03-21 22:26 ` Sebastian Hesselbarth
2013-03-21 22:26 ` Sebastian Hesselbarth
2013-03-21 22:26 ` Sebastian Hesselbarth
2013-03-22 9:55 ` Arnd Bergmann
2013-03-22 9:55 ` Arnd Bergmann
2013-03-21 21:25 ` Andrew Lunn
2013-03-21 21:25 ` Andrew Lunn
2013-03-22 6:28 ` Andrew Lunn
2013-03-22 6:28 ` Andrew Lunn
2013-03-22 17:43 ` Jason Gunthorpe
2013-03-22 17:43 ` Jason Gunthorpe
2013-03-22 19:33 ` Arnd Bergmann
2013-03-22 19:33 ` Arnd Bergmann
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