On Fri, May 15, 2015 at 04:23:10PM -0500, Suravee Suthikulpanit wrote: > From http://www.uefi.org/sites/default/files/resources/ACPI_6.0.pdf, > section 6.2.17 _CCA states that ARM platforms require ACPI _CCA > object to be specified for DMA-cabpable devices. This patch introduces > ACPI_MUST_HAVE_CCA in arm64 Kconfig to specify such requirement. > > In case _CCA is missing, arm64 would assign dummy_dma_ops > to disable DMA capability of the device. > > Signed-off-by: Mark Salter <msal...@redhat.com> > Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpa...@amd.com> > CC: Catalin Marinas <catalin.mari...@arm.com> > CC: Will Deacon <will.dea...@arm.com> > CC: Arnd Bergmann <a...@arndb.de>
Acked-by: Catalin Marinas <catalin.mari...@arm.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
