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Subjectlinux-next: build failure after merge of the rpmsg tree
Hi Bjorn,

After merging the rpmsg tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

drivers/remoteproc/remoteproc_core.c: In function 'rproc_handle_devmem':
drivers/remoteproc/remoteproc_core.c:557:8: error: implicit declaration of function 'iommu_map_sync'; did you mean 'iommu_map_sg'? [-Werror=implicit-function-declaration]
ret = iommu_map_sync(rproc->domain, rsc->da,
drivers/remoteproc/remoteproc_core.c: In function 'rproc_resource_cleanup':
drivers/remoteproc/remoteproc_core.c:845:14: error: implicit declaration of function 'iommu_unmap_sync'; did you mean 'iommu_unmap_fast'? [-Werror=implicit-function-declaration]
unmapped = iommu_unmap_sync(rproc->domain, entry->da,

Caused by commit

aace25b18cbd ("remoteproc: Use sychronized interface of the IOMMU-API")

I suspect that part of the commit is missing ...

I have use the rpmsg tree from next-20180424 for today.

Stephen Rothwell
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