On Tue, Jul 23, 2019 at 02:32:26PM +0200, Halil Pasic wrote: > On Fri, 19 Jul 2019 13:01:30 +0200 > Halil Pasic <pasic@xxxxxxxxxxxxx> wrote: > > > > > diff --git a/arch/s390/include/asm/dma.h b/arch/s390/include/asm/dma.h > > > > index 6f26f35d4a71..3b0329665b13 100644 > > > > --- a/arch/s390/include/asm/dma.h > > > > +++ b/arch/s390/include/asm/dma.h > > > > @@ -10,6 +10,7 @@ > > > > * by the 31 bit heritage. > > > > */ > > > > #define MAX_DMA_ADDRESS 0x80000000 > > > > +#define ARCH_ZONE_DMA_BITS 31 > > > > > > powerpc has this in arch/powerpc/include/asm/page.h. This really > > > should be consistently defined in the same header file across > > > architectures. > > > > > > Christoph, what is the preferred header file for this definition? > > ping > > Christoph could you please answer Heiko's question, so I can do my > respin. page.h is fine for now. dma.h is odd for sure as it is for legacy ISA DMA only.
