Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH] drm: mediatek: remove IOMMU_DMA select | Date | Wed, 11 May 2016 22:15:20 +0200 |
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On Wednesday 11 May 2016 22:11:07 Arnd Bergmann wrote: > We get a harmless build warning when trying to use the mediatek > DRM driver with IOMMU support disabled: > > warning: (DRM_MEDIATEK) selects IOMMU_DMA which has unmet direct dependencies (IOMMU_SUPPORT) > > However, the IOMMU_DMA symbol is not meant to be used by drivers > at all, and this driver doesn't seem to have a strict dependency > on it other than using the mediatek IOMMU driver that does. > > Since we also want to be able to do compile tests with the > driver on other platforms, the IOMMU_DMA symbol should not > be selected here. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- > If someone has a better explanation about why the 'select' is here, > let me know, it certainly seems out of place.
Sorry, I didn't mean to send this as a reply to "More build fixes for omapdrm in current -next", I copied the wrong command line.
I'll resend it if necessary.
Arnd
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