[PATCH 4/3] dma-debug: remove CONFIG_HAVE_DMA_API_DEBUG
From: robin.murphy@arm.com (Robin Murphy)
Date: 2018-05-08 09:54:50
Also in:
linux-alpha, linux-arch, linux-iommu, linux-sh, lkml, sparclinux
On 27/04/18 16:53, Christoph Hellwig wrote:
There is no arch specific code required for dma-debug, so there is no need to opt into the support either.
Makes sense, and a purely negative diffstat is always pleasing :) Reviewed-by: Robin Murphy <robin.murphy@arm.com>
quoted hunk ↗ jump to hunk
Signed-off-by: Christoph Hellwig <hch@lst.de> --- .../io/dma-api-debug/arch-support.txt | 31 ------------------- arch/Kconfig | 3 -- arch/arm/Kconfig | 1 - arch/arm64/Kconfig | 1 - arch/c6x/Kconfig | 1 - arch/ia64/Kconfig | 1 - arch/microblaze/Kconfig | 1 - arch/mips/Kconfig | 1 - arch/powerpc/Kconfig | 1 - arch/riscv/Kconfig | 1 - arch/s390/Kconfig | 1 - arch/sh/Kconfig | 1 - arch/sparc/Kconfig | 1 - arch/x86/Kconfig | 1 - arch/xtensa/Kconfig | 1 - lib/Kconfig.debug | 1 - 16 files changed, 48 deletions(-) delete mode 100644 Documentation/features/io/dma-api-debug/arch-support.txtdiff --git a/Documentation/features/io/dma-api-debug/arch-support.txt b/Documentation/features/io/dma-api-debug/arch-support.txt deleted file mode 100644 index e438ed675623..000000000000 --- a/Documentation/features/io/dma-api-debug/arch-support.txt +++ /dev/null@@ -1,31 +0,0 @@ -# -# Feature name: dma-api-debug -# Kconfig: HAVE_DMA_API_DEBUG -# description: arch supports DMA debug facilities -# - ----------------------- - | arch |status| - ----------------------- - | alpha: | TODO | - | arc: | TODO | - | arm: | ok | - | arm64: | ok | - | c6x: | ok | - | h8300: | TODO | - | hexagon: | TODO | - | ia64: | ok | - | m68k: | TODO | - | microblaze: | ok | - | mips: | ok | - | nios2: | TODO | - | openrisc: | TODO | - | parisc: | TODO | - | powerpc: | ok | - | s390: | ok | - | sh: | ok | - | sparc: | ok | - | um: | TODO | - | unicore32: | TODO | - | x86: | ok | - | xtensa: | ok | - -----------------------diff --git a/arch/Kconfig b/arch/Kconfig index 8e0d665c8d53..f07a1a99e5db 100644 --- a/arch/Kconfig +++ b/arch/Kconfig@@ -278,9 +278,6 @@ config HAVE_CLK The <linux/clk.h> calls support software clock gating and thus are a key power management tool on many systems. -config HAVE_DMA_API_DEBUG - bool - config HAVE_HW_BREAKPOINT bool depends on PERF_EVENTSdiff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 676977bdfe33..c43f5bb55ac8 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig@@ -60,7 +60,6 @@ config ARM select HAVE_CONTEXT_TRACKING select HAVE_C_RECORDMCOUNT select HAVE_DEBUG_KMEMLEAK - select HAVE_DMA_API_DEBUG select HAVE_DMA_CONTIGUOUS if MMU select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL) && !CPU_ENDIAN_BE32 && MMU select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACEdiff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index db51b6445744..b25ed7834f6c 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig@@ -105,7 +105,6 @@ config ARM64 select HAVE_CONTEXT_TRACKING select HAVE_DEBUG_BUGVERBOSE select HAVE_DEBUG_KMEMLEAK - select HAVE_DMA_API_DEBUG select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE select HAVE_EFFICIENT_UNALIGNED_ACCESSdiff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig index c6b4dd1418b4..8c088b96e372 100644 --- a/arch/c6x/Kconfig +++ b/arch/c6x/Kconfig@@ -10,7 +10,6 @@ config C6X select GENERIC_ATOMIC64 select GENERIC_IRQ_SHOW select HAVE_ARCH_TRACEHOOK - select HAVE_DMA_API_DEBUG select HAVE_MEMBLOCK select SPARSE_IRQ select IRQ_DOMAINdiff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 9485b5490eca..2067289fad4a 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig@@ -29,7 +29,6 @@ config IA64 select HAVE_FUNCTION_TRACER select TTY select HAVE_ARCH_TRACEHOOK - select HAVE_DMA_API_DEBUG select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP select HAVE_VIRT_CPU_ACCOUNTINGdiff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 3817a3e2146c..d14782100088 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig@@ -19,7 +19,6 @@ config MICROBLAZE select HAVE_ARCH_HASH select HAVE_ARCH_KGDB select HAVE_DEBUG_KMEMLEAK - select HAVE_DMA_API_DEBUG select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_GRAPH_TRACERdiff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 0f619b8c0e9e..2dcdc13cd65d 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig@@ -42,7 +42,6 @@ config MIPS select HAVE_C_RECORDMCOUNT select HAVE_DEBUG_KMEMLEAK select HAVE_DEBUG_STACKOVERFLOW - select HAVE_DMA_API_DEBUG select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE select HAVE_EXIT_THREADdiff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 1887f8f86a77..268fd46fc3c7 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig@@ -181,7 +181,6 @@ config PPC select HAVE_CONTEXT_TRACKING if PPC64 select HAVE_DEBUG_KMEMLEAK select HAVE_DEBUG_STACKOVERFLOW - select HAVE_DMA_API_DEBUG select HAVE_DYNAMIC_FTRACE select HAVE_DYNAMIC_FTRACE_WITH_REGS if MPROFILE_KERNEL select HAVE_EBPF_JIT if PPC64diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 17212ba54ee3..95e2da34aaad 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig@@ -23,7 +23,6 @@ config RISCV select GENERIC_ATOMIC64 if !64BIT || !RISCV_ISA_A select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP - select HAVE_DMA_API_DEBUG select HAVE_DMA_CONTIGUOUS select HAVE_GENERIC_DMA_COHERENT select IRQ_DOMAINdiff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index b794a2ab6d15..6a64287ec1da 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig@@ -130,7 +130,6 @@ config S390 select HAVE_CMPXCHG_LOCAL select HAVE_COPY_THREAD_TLS select HAVE_DEBUG_KMEMLEAK - select HAVE_DMA_API_DEBUG select HAVE_DMA_CONTIGUOUS select DMA_DIRECT_OPS select HAVE_DYNAMIC_FTRACEdiff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 9417f70e008e..7d521926041e 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig@@ -13,7 +13,6 @@ config SUPERH select HAVE_OPROFILE select HAVE_GENERIC_DMA_COHERENT select HAVE_ARCH_TRACEHOOK - select HAVE_DMA_API_DEBUG select HAVE_PERF_EVENTS select HAVE_DEBUG_BUGVERBOSE select ARCH_HAVE_CUSTOM_GPIO_Hdiff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index c1cfc17eb504..435dbc033afe 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig@@ -25,7 +25,6 @@ config SPARC select RTC_CLASS select RTC_DRV_M48T59 select RTC_SYSTOHC - select HAVE_DMA_API_DEBUG select HAVE_ARCH_JUMP_LABEL if SPARC64 select GENERIC_IRQ_SHOW select ARCH_WANT_IPC_PARSE_VERSIONdiff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index aad35c568681..3eeca48a146b 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig@@ -135,7 +135,6 @@ config X86 select HAVE_C_RECORDMCOUNT select HAVE_DEBUG_KMEMLEAK select HAVE_DEBUG_STACKOVERFLOW - select HAVE_DMA_API_DEBUG select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE select HAVE_DYNAMIC_FTRACE_WITH_REGSdiff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index c921e8bccdc8..17df332269b2 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig@@ -19,7 +19,6 @@ config XTENSA select HAVE_ARCH_KASAN if MMU select HAVE_CC_STACKPROTECTOR select HAVE_DEBUG_KMEMLEAK - select HAVE_DMA_API_DEBUG select HAVE_DMA_CONTIGUOUS select HAVE_EXIT_THREAD select HAVE_FUNCTION_TRACERdiff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 685ed2dd4384..d5175eb7b917 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug@@ -1634,7 +1634,6 @@ config PROVIDE_OHCI1394_DMA_INIT config DMA_API_DEBUG bool "Enable debugging of DMA-API usage" - depends on HAVE_DMA_API_DEBUG select NEED_DMA_MAP_STATE help Enable this option to debug the use of the DMA API by device drivers.