On 11/05/2018 08:59, Christoph Hellwig wrote: > Switch to the generic noncoherent direct mapping implementation for > the nommu dma map implementation. > > Signed-off-by: Christoph Hellwig <hch at lst.de> > --- > arch/arc/Kconfig | 1 + > arch/arm/Kconfig | 4 + > arch/arm/mm/dma-mapping-nommu.c | 139 +++++--------------------------- > 3 files changed, 23 insertions(+), 121 deletions(-) > > diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig > index 89d47eac18b2..3a492a9aeaad 100644 > --- a/arch/arc/Kconfig > +++ b/arch/arc/Kconfig > @@ -9,6 +9,7 @@ > config ARC > def_bool y > select ARC_TIMERS > + select ARCH_HAS_SYNC_DMA_FOR_DEVICE > select ARCH_HAS_SYNC_DMA_FOR_CPU > select ARCH_HAS_SYNC_DMA_FOR_DEVICE I guess that this arc change is here by accident, no? And isn't ARCH_HAS_SYNC_DMA_FOR_DEVICE already selected (by 3/20)? > select ARCH_HAS_SG_CHAIN > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index c43f5bb55ac8..76ddd0064f87 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig
