On Tue, Mar 15, 2016 at 10:37:17PM +0100, Arnd Bergmann wrote: > iommu drivers that support the standard DT bindings use a of_xlate > callback pointer, but that is only part of struct iommu_ops when > CONFIG_OF_IOMMU is enabled, leading to build errors in randconfig > builds when that is not provided: > > drivers/iommu/mtk_iommu.c:497:2: error: unknown field 'of_xlate' specified in > initializer > .of_xlate = mtk_iommu_of_xlate, > ^ > drivers/iommu/mtk_iommu.c:497:14: error: initialization from incompatible > pointer type [-Werror=incompatible-pointer-types] > .of_xlate = mtk_iommu_of_xlate, > ^~~~~~~~~~~~~~~~~~ > drivers/iommu/mtk_iommu.c:497:14: note: (near initialization for > 'mtk_iommu_ops.domain_get_attr') > > We can work around it by adding more #ifdefs in each driver, but > it seems nicer to just allow setting the pointer even if it is > unused. This makes the driver code look nicer, and it gives better > compile-time coverage when test building on other architectures. > > Signed-off-by: Arnd Bergmann <[email protected]> > Fixes: 0df4fabe208d ("iommu/mediatek: Add mt8173 IOMMU driver")
Applied to iommu/fixes, thanks Arnd.

