Commit 846f9e1f authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Rich Felker
Browse files

dma-mapping: consolidate the NO_DMA definition in kernel/dma/Kconfig 



Have a single definition that architetures can select.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarRich Felker <dalias@libc.org>
parent bc0f46b1

arch/m68k/Kconfig

+1 −3
Original line number Diff line number Diff line
@@ -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

arch/m68k/Kconfig.machine

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/um/Kconfig

+1 −3
Original line number Diff line number Diff line
@@ -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

kernel/dma/Kconfig

+3 −0
Original line number Diff line number Diff line 
# SPDX-License-Identifier: GPL-2.0-only



config NO_DMA

	bool



config HAS_DMA

	bool

	depends on !NO_DMA