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009fbfc97b
- get rid of the fake support for coherent DMA allocation on coldfire with
caches (Christoph Hellwig)
- add a few Kconfig dependencies so that Kconfig catches the use of
invalid configurations (Christoph Hellwig)
- fix a type in dma-debug output (Chuck Lever)
- rewrite a comment in swiotlb (Sean Christopherson)
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Merge tag 'dma-mapping-6.7-2023-10-30' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- get rid of the fake support for coherent DMA allocation on coldfire
with caches (Christoph Hellwig)
- add a few Kconfig dependencies so that Kconfig catches the use of
invalid configurations (Christoph Hellwig)
- fix a type in dma-debug output (Chuck Lever)
- rewrite a comment in swiotlb (Sean Christopherson)
* tag 'dma-mapping-6.7-2023-10-30' of git://git.infradead.org/users/hch/dma-mapping:
dma-debug: Fix a typo in a debugging eye-catcher
swiotlb: rewrite comment explaining why the source is preserved on DMA_FROM_DEVICE
m68k: remove unused includes from dma.c
m68k: don't provide arch_dma_alloc for nommu/coldfire
net: fec: use dma_alloc_noncoherent for data cache enabled coldfire
m68k: use the coherent DMA code for coldfire without data cache
dma-direct: warn when coherent allocations aren't supported
dma-direct: simplify the use atomic pool logic in dma_direct_alloc
dma-direct: add a CONFIG_ARCH_HAS_DMA_ALLOC symbol
dma-direct: add dependencies to CONFIG_DMA_GLOBAL_POOL
131 lines
2.6 KiB
Plaintext
131 lines
2.6 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0
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config M68K
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bool
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default y
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select ARCH_32BIT_OFF_T
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select ARCH_HAS_BINFMT_FLAT
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select ARCH_HAS_CPU_FINALIZE_INIT if MMU
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select ARCH_HAS_CURRENT_STACK_POINTER
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select ARCH_HAS_DMA_PREP_COHERENT if M68K_NONCOHERENT_DMA && !COLDFIRE
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select ARCH_HAS_SYNC_DMA_FOR_DEVICE if M68K_NONCOHERENT_DMA
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select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
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select ARCH_MIGHT_HAVE_PC_PARPORT if ISA
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select ARCH_NO_PREEMPT if !COLDFIRE
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select ARCH_USE_MEMTEST if MMU_MOTOROLA
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select ARCH_WANT_IPC_PARSE_VERSION
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select BINFMT_FLAT_ARGVP_ENVP_ON_STACK
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select DMA_DIRECT_REMAP if M68K_NONCOHERENT_DMA && !COLDFIRE
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select GENERIC_ATOMIC64
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select GENERIC_CPU_DEVICES
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select GENERIC_IOMAP
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select GENERIC_IRQ_SHOW
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select GENERIC_LIB_ASHLDI3
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select GENERIC_LIB_ASHRDI3
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select GENERIC_LIB_LSHRDI3
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select HAS_IOPORT if PCI || ISA || ATARI_ROM_ISA
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select HAVE_ARCH_SECCOMP
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select HAVE_ARCH_SECCOMP_FILTER
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select HAVE_ASM_MODVERSIONS
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select HAVE_DEBUG_BUGVERBOSE
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select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_HAS_NO_UNALIGNED
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select HAVE_MOD_ARCH_SPECIFIC
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select HAVE_UID16
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select MMU_GATHER_NO_RANGE if MMU
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select MODULES_USE_ELF_REL
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select MODULES_USE_ELF_RELA
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select NO_DMA if !MMU && !COLDFIRE
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select OLD_SIGACTION
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select OLD_SIGSUSPEND3
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select UACCESS_MEMCPY if !MMU
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select ZONE_DMA
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config CPU_BIG_ENDIAN
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def_bool y
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config ARCH_HAS_ILOG2_U32
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bool
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config ARCH_HAS_ILOG2_U64
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bool
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config GENERIC_HWEIGHT
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bool
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default y
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config GENERIC_CALIBRATE_DELAY
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bool
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default y
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config GENERIC_CSUM
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bool
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config TIME_LOW_RES
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bool
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default y
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config NO_IOPORT_MAP
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def_bool y
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config HZ
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int
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default 1000 if CLEOPATRA
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default 100
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config PGTABLE_LEVELS
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default 2 if SUN3 || COLDFIRE
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default 3
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config MMU
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bool "MMU-based Paged Memory Management Support"
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default y
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help
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Select if you want MMU-based virtualised addressing space
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support by paged memory management. If unsure, say 'Y'.
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config MMU_MOTOROLA
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bool
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config MMU_COLDFIRE
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bool
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config MMU_SUN3
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bool
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depends on MMU && !MMU_MOTOROLA && !MMU_COLDFIRE
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config ARCH_SUPPORTS_KEXEC
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def_bool M68KCLASSIC && MMU
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config BOOTINFO_PROC
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bool "Export bootinfo in procfs"
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depends on KEXEC && M68KCLASSIC
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help
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Say Y to export the bootinfo used to boot the kernel in a
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"bootinfo" file in procfs. This is useful with kexec.
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menu "Platform setup"
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source "arch/m68k/Kconfig.cpu"
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source "arch/m68k/Kconfig.machine"
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source "arch/m68k/Kconfig.bus"
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endmenu
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menu "Kernel Features"
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endmenu
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if !MMU
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menu "Power management options"
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config PM
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bool "Power Management support"
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help
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Support processor power management modes
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endmenu
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endif
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source "arch/m68k/Kconfig.devices"
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