RE: [RFC][PATCH 3/3]ARM:OMAP4 iommu:provide build support for omap4 iommu

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Hi Hiroshi,

> >  config OMAP_IOMMU
> > -	tristate
> > -
> > +	tristate "iommu"
> > +        depends on ARCH_OMAP
> 
> Is the above dependecy necessary?
>

-- Probably not. I will remove this.

Thank you,
Best regards,
Hari

> -----Original Message-----
> From: Hiroshi DOYU [mailto:Hiroshi.DOYU@xxxxxxxxx]
> Sent: Friday, July 24, 2009 1:17 PM
> To: Kanigeri, Hari
> Cc: tony@xxxxxxxxxxx; linux-omap@xxxxxxxxxxxxxxx; Gupta, Ramesh;
> rmk@xxxxxxxxxxxxxxxx; Pasam, Vijay
> Subject: Re: [RFC][PATCH 3/3]ARM:OMAP4 iommu:provide build support for
> omap4 iommu
> 
> From: "ext Kanigeri, Hari" <h-kanigeri2@xxxxxx>
> Subject: [RFC][PATCH 3/3]ARM:OMAP4 iommu:provide build support for omap4
> iommu
> Date: Fri, 24 Jul 2009 19:22:56 +0200
> 
> > This patch provides build support to build OMAP4
> > IOMMU module. This also adds the changes to Kconfig
> > file to make iommu option visible in menuconfig.
> >
> > Signed-off-by: Hari Kanigeri <h-kanigeri2@xxxxxx>
> > ---
> >  arch/arm/mach-omap2/Makefile |    2 +-
> >  arch/arm/plat-omap/Kconfig   |    8 ++++++--
> >  2 files changed, 7 insertions(+), 3 deletions(-)
> >
> > diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
> > index 735bae5..59e0865 100644
> > --- a/arch/arm/mach-omap2/Makefile
> > +++ b/arch/arm/mach-omap2/Makefile
> > @@ -41,7 +41,7 @@ obj-$(CONFIG_ARCH_OMAP3)		+= clock34xx.o
> >
> >  iommu-y					+= iommu2.o
> >  iommu-$(CONFIG_ARCH_OMAP3)		+= omap3-iommu.o
> > -
> > +iommu-$(CONFIG_ARCH_OMAP4)              += omap4-iommu.o
> >  obj-$(CONFIG_OMAP_IOMMU)		+= $(iommu-y)
> >
> >  # Specific board support
> > diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
> > index efe85d0..00d7a1e 100644
> > --- a/arch/arm/plat-omap/Kconfig
> > +++ b/arch/arm/plat-omap/Kconfig
> > @@ -118,8 +118,12 @@ config OMAP_MBOX_FWK
> >  	  DSP, IVA1.0 and IVA2 in OMAP1/2/3.
> >
> >  config OMAP_IOMMU
> > -	tristate
> > -
> > +	tristate "iommu"
> > +        depends on ARCH_OMAP
> 
> Is the above dependecy necessary?
> 
> > +	default y
> > +	help
> > +	  Select this option if you want to use IOMMU support for the
> > +	  Camera in OMAP3, and for Ducati processor in OMAP4.
> 
> So here, it goes visible because iommu will be an independent character
> device, right?
> 
> 
> >  choice
> >          prompt "System timer"
> >  	default OMAP_MPU_TIMER
> > --
> > 1.5.4.3
> >
> >
> > Thank you,
> > Best regards,
> > Hari
> >

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