linux-kernel - Re: [PATCH 1/1] memory: tegra_ahb_enable_smmu() depends on TEGRA_IOMMU

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Date:	Wed, 06 Feb 2013 11:51:46 -0700
From:	Stephen Warren <swarren@...dotorg.org>
To:	Hiroshi Doyu <hdoyu@...dia.com>, linux@....linux.org.uk
CC:	linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] memory: tegra_ahb_enable_smmu() depends on TEGRA_IOMMU_SMMU

On 02/06/2013 11:34 AM, Hiroshi Doyu wrote:
> New SoC, Tegra114 also uses SMMU. Change tegra_ahb_enable_smmu()'s
> dependency from ARCH_TEGRA_3x_SOC to TEGRA_IOMMU_SMMU. No need to edit
> whenever a new Tegra SoC comes.
> 
> The following combination caused build error, which this patch fixes.
> 
> CONFIG_ARCH_TEGRA_2x_SOC=y
> \# CONFIG_ARCH_TEGRA_3x_SOC is not set
> CONFIG_ARCH_TEGRA_114_SOC=y
> 
> drivers/iommu/tegra-smmu.c:485: undefined reference to 'tegra_ahb_enable_smmu'

Tested-by: Stephen Warren <swarren@...dia.com>

Russell, I assume Hiroshi should upload this to your patch tracker? It's
needed for 3.9.

Hiroshi, for reference, see:
http://www.arm.linux.org.uk/developer/patches/
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