linux-kernel - Re: [RFC 4/5] ARM: OMAP3: bind omap3isp

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Date:	Wed, 9 Nov 2011 10:17:18 +0100
From:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:	"Ohad Ben-Cohen" <ohad@...ery.com>
Cc:	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Hiroshi DOYU <Hiroshi.DOYU@...ia.com>,
	Joerg Roedel <Joerg.Roedel@....com>,
	iommu@...ts.linux-foundation.org, Arnd Bergmann <arnd@...db.de>,
	linux-kernel@...r.kernel.org, Cousson Benoit <b-cousson@...com>,
	Kevin Hilman <khilman@...com>,
	Tony Lindgren <tony@...mide.com>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [RFC 4/5] ARM: OMAP3: bind omap3isp_device to its iommu device

Hi Ohad,

On Sunday 25 September 2011 12:58:56 Ohad Ben-Cohen wrote:
> Bind OMAP3's isp device to the isp's dedicated iommu, by setting
> the device's archdata iommu member.
> 
> This way omap3isp will be able to use the generic IOMMU API without
> having to call any omap-specific binding method.
> 
> Signed-off-by: Ohad Ben-Cohen <ohad@...ery.com>
> Cc: Tony Lindgren <tony@...mide.com>
> Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>

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

> ---
>  arch/arm/mach-omap2/devices.c |    7 +++++++
>  1 files changed, 7 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
> index 1077ad6..44122f7 100644
> --- a/arch/arm/mach-omap2/devices.c
> +++ b/arch/arm/mach-omap2/devices.c
> @@ -28,6 +28,7 @@
>  #include <plat/mcbsp.h>
>  #include <mach/gpio.h>
>  #include <plat/mmc.h>
> +#include <plat/iommu.h>
>  #include <plat/dma.h>
>  #include <plat/omap_hwmod.h>
>  #include <plat/omap_device.h>
> @@ -207,9 +208,15 @@ static struct platform_device omap3isp_device = {
>  	.resource	= omap3isp_resources,
>  };
> 
> +static struct omap_iommu_arch_data omap3_isp_iommu = {
> +	.name = "isp",
> +};
> +
>  int omap3_init_camera(struct isp_platform_data *pdata)
>  {
>  	omap3isp_device.dev.platform_data = pdata;
> +	omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu;
> +
>  	return platform_device_register(&omap3isp_device);
>  }

-- 
Regards,

Laurent Pinchart
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