diff options
author | Christoph Hellwig <hch@lst.de> | 2020-07-14 14:18:54 +0200 |
---|---|---|
committer | Rich Felker <dalias@libc.org> | 2020-08-15 04:05:17 +0200 |
commit | 846f9e1fb9b9a2c4eecefa2fdbfb51e975a7d532 (patch) | |
tree | 13a44920847bb05fcf29e12f60d79b2b45dd9583 | |
parent | sh: unexport register_trapped_io and match_trapped_io_handler (diff) | |
download | linux-846f9e1fb9b9a2c4eecefa2fdbfb51e975a7d532.tar.xz linux-846f9e1fb9b9a2c4eecefa2fdbfb51e975a7d532.zip |
dma-mapping: consolidate the NO_DMA definition in kernel/dma/Kconfig
Have a single definition that architetures can select.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Rich Felker <dalias@libc.org>
Diffstat (limited to '')
-rw-r--r-- | arch/m68k/Kconfig | 4 | ||||
-rw-r--r-- | arch/m68k/Kconfig.machine | 1 | ||||
-rw-r--r-- | arch/um/Kconfig | 4 | ||||
-rw-r--r-- | kernel/dma/Kconfig | 3 |
4 files changed, 6 insertions, 6 deletions
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 6ad6cdac74b3..8e488369a7e5 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 a82651d58af4..17e8c3a292d7 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 9318dc6d1a0c..32c1d1945033 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 1da3f44f2565..57533d07676f 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 |