From 846f9e1fb9b9a2c4eecefa2fdbfb51e975a7d532 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 14 Jul 2020 14:18:54 +0200 Subject: [PATCH] dma-mapping: consolidate the NO_DMA definition in kernel/dma/Kconfig Have a single definition that architetures can select. Signed-off-by: Christoph Hellwig Signed-off-by: Rich Felker --- 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 6ad6cda..8e48836 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 a82651d..17e8c3a 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 9318dc6..32c1d19 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 1da3f44..57533d0 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 -- 2.7.4