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authorArnd Bergmann <arnd@arndb.de>2016-03-15 22:37:17 +0100
committerJoerg Roedel <jroedel@suse.de>2016-04-05 13:25:12 +0200
commitb70bb984489363aadd5ccc94d919629d9e264d36 (patch)
tree1702a24fdcb57873048a56692b1a9e18d9e99009 /drivers/iommu/dma-iommu.c
parent9735a22799b9214d17d3c231fe377fc852f042e9 (diff)
downloadlinux-b70bb984489363aadd5ccc94d919629d9e264d36.tar.gz
linux-b70bb984489363aadd5ccc94d919629d9e264d36.tar.xz
iommu: provide of_xlate pointer unconditionally
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 <arnd@arndb.de> Fixes: 0df4fabe208d ("iommu/mediatek: Add mt8173 IOMMU driver") Reviewed-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/dma-iommu.c')
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