From: ext Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> Subject: Re: [PATCH v1 3/3] ARM:OMAP4 iommu:provide build support for omap4 iommu Date: Wed, 5 Aug 2009 09:52:20 +0200 > On Wed, Aug 05, 2009 at 07:35:38AM +0300, Hiroshi DOYU wrote: > > From: ext Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> > > Subject: Re: [PATCH v1 3/3] ARM:OMAP4 iommu:provide build support for omap4 iommu > > Date: Wed, 5 Aug 2009 00:42:41 +0200 > > > > > On Tue, Aug 04, 2009 at 05:32:12PM -0500, Kanigeri, Hari wrote: > > > > diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig > > > > index efe85d0..50aaefb 100644 > > > > --- a/arch/arm/plat-omap/Kconfig > > > > +++ b/arch/arm/plat-omap/Kconfig > > > > @@ -118,8 +118,11 @@ config OMAP_MBOX_FWK > > > > DSP, IVA1.0 and IVA2 in OMAP1/2/3. > > > > > > > > config OMAP_IOMMU > > > > - tristate > > > > - > > > > + tristate "iommu" > > > > > > Insufficiently verbose description. "OMAP IOMMU Support" would be > > > better. I thought the idea here was to arrange for things to select > > > OMAP_IOMMU when they require it rather than offering it as a separate > > > configuration option. > > > > > > The former way has the advantage that you don't need to know that you > > > need IOMMU support to (eg) use the Camera - enabling the Camera > > > should automatically enable IOMMU support. > > > > The following is the original discussion. > > > > http://lists.arm.linux.org.uk/lurker/message/20090518.130233.3f238e72.en.html > > Quite. I'm repeating myself. So the question is why the original > discussion didn't produce a change. The original discussion was applied and can be kept for OMAP4 as well like: config SOME_NEW_DEVICE_USE_IOMMU ... select OMAP_IOMMU ... Just setting the above select line would be ok. For example, http://marc.info/?l=linux-omap&m=124867965731465&w=2 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
