linux-kernel - Re: [PATCH 06/06] iommu/ipmmu-vmsa: Drop LPAE Kconfig dependency

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Message-ID: <2937538.nzTTWYnTym@avalon>
Date:	Tue, 29 Dec 2015 02:26:32 +0200
From:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:	Magnus Damm <magnus.damm@...il.com>
Cc:	iommu@...ts.linux-foundation.org,
	laurent.pinchart+renesas@...asonboard.com, geert+renesas@...der.be,
	linux-sh@...r.kernel.org, joro@...tes.org,
	linux-kernel@...r.kernel.org, horms+renesas@...ge.net.au
Subject: Re: [PATCH 06/06] iommu/ipmmu-vmsa: Drop LPAE Kconfig dependency

Hi Magnus,

Thank you for the patch.

On Tuesday 15 December 2015 21:03:08 Magnus Damm wrote:
> From: Magnus Damm <damm+renesas@...nsource.se>
> 
> Neither the ARM page table code enabled by IOMMU_IO_PGTABLE_LPAE
> nor the IPMMU_VMSA driver actually depends on ARM_LPAE, so get
> rid of the dependency.
> 
> Tested with ipmmu-vmsa on r8a7794 ALT and a kernel config using:
>  # CONFIG_ARM_LPAE is not set
> 
> Signed-off-by: Magnus Damm <damm+renesas@...nsource.se>

Acked-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> ---
> 
>  This time the result also compiles on x86. Need to be
>  applied as last patch in the following series:
>  [PATCH 00/06] iommu/ipmmu-vmsa: IPMMU multi-arch update
> 
>  drivers/iommu/Kconfig |    1 -
>  1 file changed, 1 deletion(-)
> 
> --- 0001/drivers/iommu/Kconfig
> +++ work/drivers/iommu/Kconfig	2015-10-18 14:58:09.080513000 +0900
> @@ -324,7 +324,6 @@ config SHMOBILE_IOMMU_L1SIZE
> 
>  config IPMMU_VMSA
>  	bool "Renesas VMSA-compatible IPMMU"
> -	depends on ARM_LPAE
>  	depends on ARCH_SHMOBILE || COMPILE_TEST
>  	select IOMMU_API
>  	select IOMMU_IO_PGTABLE_LPAE

-- 
Regards,

Laurent Pinchart

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