diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index ab8d6131c954e035f33c2fff848963d022be7cd9..728a0f6f838c4b2733ae22dd8dccffbd44a0ea5b 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -31,7 +31,6 @@ config ARC
select HAVE_ARCH_TRACEHOOK
select HAVE_DEBUG_STACKOVERFLOW
select HAVE_FUTEX_CMPXCHG if FUTEX
- select HAVE_GENERIC_DMA_COHERENT
select HAVE_IOREMAP_PROT
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_LZMA
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e07e5c184d2f45fb6a6a2caf481c604849d06a45..33612e6da19ade10e36a6ee44a26b654bb6ec139 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -32,6 +32,7 @@ config ARM
select CLONE_BACKWARDS
select CPU_PM if SUSPEND || CPU_IDLE
select DCACHE_WORD_ACCESS if HAVE_EFFICIENT_UNALIGNED_ACCESS
+ select DMA_DECLARE_COHERENT
select DMA_REMAP if MMU
select EDAC_SUPPORT
select EDAC_ATOMIC_SCRUB
@@ -74,7 +75,6 @@ config ARM
select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL
select HAVE_FUNCTION_TRACER if !XIP_KERNEL
select HAVE_GCC_PLUGINS
- select HAVE_GENERIC_DMA_COHERENT
select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7)
select HAVE_IDE if PCI || ISA || PCMCIA
select HAVE_IRQ_TIME_ACCOUNTING
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index fbcf521e1c9f725f890b26e08fe82013cd4f696a..e86fac1e6b03ed5ddcaea921553e77688bd5ef36 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -139,7 +139,6 @@ config ARM64
select HAVE_FUNCTION_TRACER
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_GCC_PLUGINS
- select HAVE_GENERIC_DMA_COHERENT
select HAVE_HW_BREAKPOINT if PERF_EVENTS
select HAVE_IRQ_TIME_ACCOUNTING
select HAVE_MEMBLOCK_NODE_MAP if NUMA
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index 0a9595afe9be6dd980a54897d68eca63c2dd1063..c009a8c6394698e718013d1d7500f52ecd65bce9 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -30,7 +30,6 @@ config CSKY
select HAVE_ARCH_TRACEHOOK
select HAVE_FUNCTION_TRACER
select HAVE_FUNCTION_GRAPH_TRACER
- select HAVE_GENERIC_DMA_COHERENT
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_LZO
select HAVE_KERNEL_LZMA
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index dc5d70f674e0fae0b93b4400318ba4cd67764d67..433b9dd358243704d8c707e144392e8953756d66 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -56,7 +56,6 @@ config MIPS
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER
- select HAVE_GENERIC_DMA_COHERENT
select HAVE_IDE
select HAVE_IOREMAP_PROT
select HAVE_IRQ_EXIT_ON_IRQ_STACK
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index feeeaa60697caae10cbfa1cbcff6b316440a048b..51b9c97751bfea76a46f2070b81d717c99d4084e 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -32,7 +32,6 @@ config RISCV
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_DMA_CONTIGUOUS
select HAVE_FUTEX_CMPXCHG if FUTEX
- select HAVE_GENERIC_DMA_COHERENT
select HAVE_PERF_EVENTS
select HAVE_SYSCALL_TRACEPOINTS
select IRQ_DOMAIN
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index a9c36f95744a0ab7d1e4bc76d216124c2f88fe4d..a3d2a24e75c75fb19e4b2eac2f34cfff31541209 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -7,11 +7,11 @@ config SUPERH
select ARCH_NO_COHERENT_DMA_MMAP if !MMU
select HAVE_PATA_PLATFORM
select CLKDEV_LOOKUP
+ select DMA_DECLARE_COHERENT
select HAVE_IDE if HAS_IOPORT_MAP
select HAVE_MEMBLOCK_NODE_MAP
select ARCH_DISCARD_MEMBLOCK
select HAVE_OPROFILE
- select HAVE_GENERIC_DMA_COHERENT
select HAVE_ARCH_TRACEHOOK
select HAVE_PERF_EVENTS
select HAVE_DEBUG_BUGVERBOSE
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index c3a41bfe161bf05de54910821318b401cb8314f8..6d2891d37e32d8a0505683d2381da29f66e338f6 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -4,7 +4,6 @@ config UNICORE32
select ARCH_HAS_DEVMEM_IS_ALLOWED
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_MIGHT_HAVE_PC_SERIO
- select HAVE_GENERIC_DMA_COHERENT
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_BZIP2
select GENERIC_ATOMIC64
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 26387c7bf305bc7d4e14e2d34856802a250c55ba..0e33dede053eacfe767ef317a6e0f2e72e4352e0 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -15,7 +15,6 @@ config X86_32
select CLKSRC_I8253
select CLONE_BACKWARDS
select HAVE_AOUT
- select HAVE_GENERIC_DMA_COHERENT
select MODULES_USE_ELF_REL
select OLD_SIGACTION
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index f15f6489803dc755d2ca638444402963c6a3f281..c3ccf2c7b3efe3b5aaa81d78e0d457fce1135f30 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1067,6 +1067,7 @@ config MFD_SI476X_CORE
config MFD_SM501
tristate "Silicon Motion SM501"
depends on HAS_DMA
+ select DMA_DECLARE_COHERENT
---help---
This is the core driver for the Silicon Motion SM501 multimedia
companion chip. This device is a multifunction device which may
@@ -1675,6 +1676,7 @@ config MFD_TC6393XB
select GPIOLIB
select MFD_CORE
select MFD_TMIO
+ select DMA_DECLARE_COHERENT
help
Support for Toshiba Mobile IO Controller TC6393XB
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index 3607fd2810e4e73ba95a464a6a618c227e8f6c5c..37c2ccbefecdcea72bbaee39a9ea9859d12a32e1 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -43,6 +43,7 @@ config OF_FLATTREE
config OF_EARLY_FLATTREE
bool
+ select DMA_DECLARE_COHERENT if HAS_DMA
select OF_FLATTREE
config OF_PROMTREE
@@ -83,7 +84,7 @@ config OF_MDIO
config OF_RESERVED_MEM
bool
depends on OF_EARLY_FLATTREE
- default y if HAVE_GENERIC_DMA_COHERENT || DMA_CMA
+ default y if DMA_DECLARE_COHERENT || DMA_CMA
config OF_RESOLVE
bool
diff --git a/include/linux/device.h b/include/linux/device.h
index be544400acdd9d2c34e74b5742a911b53a834361..c52d90348cef8aa2221954f3b8c01c0040fef985 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1017,7 +1017,7 @@ struct device {
struct list_head dma_pools; /* dma pools (if dma'ble) */
-#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT
+#ifdef CONFIG_DMA_DECLARE_COHERENT
struct dma_coherent_mem *dma_mem; /* internal for coherent mem
override */
#endif
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 4210c5c1dd2153623fa995fe3a00d6dfd55cd7df..e29441b8b3b7945a2511f1a6cfb8408d0c34dc39 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -153,7 +153,7 @@ static inline int is_device_dma_capable(struct device *dev)
return dev->dma_mask != NULL && *dev->dma_mask != DMA_MASK_NONE;
}
-#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT
+#ifdef CONFIG_DMA_DECLARE_COHERENT
/*
* These three functions are only for dma allocator.
* Don't use them in device drivers.
@@ -192,7 +192,7 @@ static inline int dma_mmap_from_global_coherent(struct vm_area_struct *vma,
{
return 0;
}
-#endif /* CONFIG_HAVE_GENERIC_DMA_COHERENT */
+#endif /* CONFIG_DMA_DECLARE_COHERENT */
static inline bool dma_is_direct(const struct dma_map_ops *ops)
{
@@ -739,7 +739,7 @@ static inline int dma_get_cache_alignment(void)
/* flags for the coherent memory api */
#define DMA_MEMORY_EXCLUSIVE 0x01
-#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT
+#ifdef CONFIG_DMA_DECLARE_COHERENT
int dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr,
dma_addr_t device_addr, size_t size, int flags);
void dma_release_declared_memory(struct device *dev);
@@ -764,7 +764,7 @@ dma_mark_declared_memory_occupied(struct device *dev,
{
return ERR_PTR(-EBUSY);
}
-#endif /* CONFIG_HAVE_GENERIC_DMA_COHERENT */
+#endif /* CONFIG_DMA_DECLARE_COHERENT */
static inline void *dmam_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp)
diff --git a/kernel/dma/Kconfig b/kernel/dma/Kconfig
index bde9179c6ed70920410a2fc1ce32ac105e984a48..24d45c78c6711658becd3ad5e82e01a4d80c03a4 100644
--- a/kernel/dma/Kconfig
+++ b/kernel/dma/Kconfig
@@ -16,7 +16,7 @@ config ARCH_DMA_ADDR_T_64BIT
config ARCH_HAS_DMA_COHERENCE_H
bool
-config HAVE_GENERIC_DMA_COHERENT
+config DMA_DECLARE_COHERENT
bool
config ARCH_HAS_SETUP_DMA_OPS
diff --git a/kernel/dma/Makefile b/kernel/dma/Makefile
index 72ff6e46aa866d02b2cbeab2bdc91c5d00f496f6..d237cf3dc181295ad3a70516716907366ed49325 100644
--- a/kernel/dma/Makefile
+++ b/kernel/dma/Makefile
@@ -2,7 +2,7 @@
obj-$(CONFIG_HAS_DMA) += mapping.o direct.o dummy.o
obj-$(CONFIG_DMA_CMA) += contiguous.o
-obj-$(CONFIG_HAVE_GENERIC_DMA_COHERENT) += coherent.o
+obj-$(CONFIG_DMA_DECLARE_COHERENT) += coherent.o
obj-$(CONFIG_DMA_VIRT_OPS) += virt.o
obj-$(CONFIG_DMA_API_DEBUG) += debug.o
obj-$(CONFIG_SWIOTLB) += swiotlb.o