On Mon, Jul 20, 2020 at 11:17:26PM -0400, Rich Felker wrote: > On Tue, Jul 14, 2020 at 02:18:54PM +0200, Christoph Hellwig wrote: > > Have a single definition that architetures can select. > > > > Signed-off-by: Christoph Hellwig <h...@lst.de> > > --- > > arch/m68k/Kconfig | 4 +--- > > arch/m68k/Kconfig.machine | 1 + > > arch/um/Kconfig | 4 +--- > > kernel/dma/Kconfig | 3 +++ > > 4 files changed, 6 insertions(+), 6 deletions(-) > > > > diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig > > index 6ad6cdac74b3dc..8e488369a7e55a 100644 > > --- a/arch/m68k/Kconfig > > +++ b/arch/m68k/Kconfig > > @@ -17,6 +17,7 @@ config M68K > > select HAVE_COPY_THREAD_TLS > > select GENERIC_IRQ_SHOW > > select GENERIC_ATOMIC64 > > + select NO_DMA if !MMU && !COLDFIRE > > select HAVE_UID16 > > select VIRT_TO_BUS > > select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS > > @@ -60,9 +61,6 @@ config TIME_LOW_RES > > config NO_IOPORT_MAP > > def_bool y > > > > -config NO_DMA > > - def_bool (MMU && SUN3) || (!MMU && !COLDFIRE) > > - > > config ZONE_DMA > > bool > > default y > > diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine > > index a82651d58af483..17e8c3a292d770 100644 > > --- a/arch/m68k/Kconfig.machine > > +++ b/arch/m68k/Kconfig.machine > > @@ -126,6 +126,7 @@ config SUN3 > > depends on MMU > > depends on !MMU_MOTOROLA > > select MMU_SUN3 if MMU > > + select NO_DMA > > select M68020 > > help > > This option enables support for the Sun 3 series of workstations > > diff --git a/arch/um/Kconfig b/arch/um/Kconfig > > index 9318dc6d1a0cee..32c1d1945033ec 100644 > > --- a/arch/um/Kconfig > > +++ b/arch/um/Kconfig > > @@ -15,6 +15,7 @@ config UML > > select HAVE_DEBUG_KMEMLEAK > > select HAVE_DEBUG_BUGVERBOSE > > select HAVE_COPY_THREAD_TLS > > + select NO_DMA > > select GENERIC_IRQ_SHOW > > select GENERIC_CPU_DEVICES > > select GENERIC_CLOCKEVENTS > > @@ -168,9 +169,6 @@ config MMAPPER > > This driver allows a host file to be used as emulated IO memory inside > > UML. > > > > -config NO_DMA > > - def_bool y > > - > > config PGTABLE_LEVELS > > int > > default 3 if 3_LEVEL_PGTABLES > > diff --git a/kernel/dma/Kconfig b/kernel/dma/Kconfig > > index 1da3f44f2565b4..57533d07676f4a 100644 > > --- a/kernel/dma/Kconfig > > +++ b/kernel/dma/Kconfig > > @@ -1,5 +1,8 @@ > > # SPDX-License-Identifier: GPL-2.0-only > > > > +config NO_DMA > > + bool > > + > > config HAS_DMA > > bool > > depends on !NO_DMA > > -- > > 2.26.2 > > This patch is outside the scope of what I can accept in arch/sh, and > the subsequent patches in the series seem to depend on it. What would > you like to do for its path upstream? > > I've now picked up everything else from this series that I can.
As the dma-mapping maintainer: please pick it. I'd give you an ACK, but that looks kinda silly if I'm the author as well :)
