On Thursday, May 07, 2015 11:07:08 AM Arnd Bergmann wrote: > On Wednesday 06 May 2015 17:16:35 Suravee Suthikulanit wrote: > > On 5/6/2015 5:21 PM, Rafael J. Wysocki wrote: > > >>>> > >>+ bool > > >>>> > >>+ > > >>>> > >>+config ACPI_SUPPORT_CCA_ZERO > > >>> > > > > >>> > >I guess this means "we support devices that can DMA, but are not > > >>> > >coherent". > > >>> > >right? > > >> > > > >> >Yes, basically when _CCA=0. > > > So what about > > > > > > ARCH_SUPPORT_CACHE_INCOHERENT_DMA > > > > Since this is specific to ACPI _CCA, I just want to be clear with the > > naming. > > How about directly using the architecture names here, this is inherently > architecture specific, and it's more likely that if another architecture > gets added in the future that it will have other requirements.
Sounds reasonable to me. Rafael -- 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/
