On Wed, Oct 04, 2017 at 10:01:26AM -0700, Stefano Stabellini wrote:
> On Wed, 4 Oct 2017, Arnd Bergmann wrote:
> > xen_swiotlb_dma_mmap was backported from v4.10, but older
> > kernels before commit 00085f1efa38 ("dma-mapping: use unsigned long
> > for dma_attrs") use a different signature:
> >
> > arm/xen/mm.c:202:10: error: initialization from incompatible pointer type
> > [-Werror=incompatible-pointer-types]
> > .mmap = xen_swiotlb_dma_mmap,
> > ^~~~~~~~~~~~~~~~~~~~
> > arm/xen/mm.c:202:10: note: (near initialization for
> > 'xen_swiotlb_dma_ops.mmap')
> >
> > This adapts the patch to the old calling conventions.
> >
> > Fixes: 2f0b82b1b830 ("swiotlb-xen: implement xen_swiotlb_dma_mmap callback")
> > Signed-off-by: Arnd Bergmann <a...@arndb.de>
>
> Reviewed-by: Stefano Stabellini <sstabell...@kernel.org>
Thanks, I've added this tag to the patch.
greg k-h
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