dma-mapping: move the NEED_DMA_MAP_STATE config symbol to lib/Kconfig

This way we have one central definition of it, and user can select it as
needed.  Note that we now also always select it when CONFIG_DMA_API_DEBUG
is select, which fixes some incorrect checks in a few network drivers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>

11 files changed, 11 insertions, 34 deletions

diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 8e6a67ecf0698..1fd9645b0c676 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -10,6 +10,7 @@ config ALPHA
 	select HAVE_OPROFILE
 	select HAVE_PCSPKR_PLATFORM
 	select HAVE_PERF_EVENTS
+	select NEED_DMA_MAP_STATE
 	select NEED_SG_DMA_LENGTH
 	select VIRT_TO_BUS
 	select GENERIC_IRQ_PROBE
@@ -68,9 +69,6 @@ config ZONE_DMA
 config ARCH_DMA_ADDR_T_64BIT
 	def_bool y
 
-config NEED_DMA_MAP_STATE
-       def_bool y
-
 config GENERIC_ISA_DMA
 	bool
 	default y
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 0d2930df7580d..924ccac1836b3 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -95,6 +95,7 @@ config ARM
 	select HAVE_VIRT_CPU_ACCOUNTING_GEN
 	select IRQ_FORCED_THREADING
 	select MODULES_USE_ELF_REL
+	select NEED_DMA_MAP_STATE
 	select NO_BOOTMEM
 	select OF_EARLY_FLATTREE if OF
 	select OF_RESERVED_MEM if OF
@@ -220,9 +221,6 @@ config ARCH_MAY_HAVE_PC_FDC
 config ZONE_DMA
 	bool
 
-config NEED_DMA_MAP_STATE
-       def_bool y
-
 config ARCH_SUPPORTS_UPROBES
 	def_bool y
 
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index eab772a51aad6..7259ca8321209 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -132,6 +132,7 @@ config ARM64
 	select IRQ_FORCED_THREADING
 	select MODULES_USE_ELF_RELA
 	select MULTI_IRQ_HANDLER
+	select NEED_DMA_MAP_STATE
 	select NEED_SG_DMA_LENGTH
 	select NO_BOOTMEM
 	select OF
@@ -240,9 +241,6 @@ config HAVE_GENERIC_GUP
 config ARCH_DMA_ADDR_T_64BIT
 	def_bool y
 
-config NEED_DMA_MAP_STATE
-	def_bool y
-
 config SMP
 	def_bool y
 
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 5381e46fe21df..7fd94b41b6da1 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -53,6 +53,7 @@ config IA64
 	select MODULES_USE_ELF_RELA
 	select ARCH_USE_CMPXCHG_LOCKREF
 	select HAVE_ARCH_AUDITSYSCALL
+	select NEED_DMA_MAP_STATE
 	select NEED_SG_DMA_LENGTH
 	default y
 	help
@@ -81,9 +82,6 @@ config MMU
 config ARCH_DMA_ADDR_T_64BIT
 	def_bool y
 
-config NEED_DMA_MAP_STATE
-	def_bool y
-
 config SWIOTLB
        bool
 
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index fa7e9bbfdd969..2f53a486c86ac 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1121,9 +1121,6 @@ config DMA_NONCOHERENT
 	bool
 	select NEED_DMA_MAP_STATE
 
-config NEED_DMA_MAP_STATE
-	bool
-
 config SYS_HAS_EARLY_PRINTK
 	bool
 
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 89caea87556eb..4d8f64d485979 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -51,6 +51,7 @@ config PARISC
 	select GENERIC_CLOCKEVENTS
 	select ARCH_NO_COHERENT_DMA_MMAP
 	select CPU_NO_EFFICIENT_FFS
+	select NEED_DMA_MAP_STATE
 	select NEED_SG_DMA_LENGTH
 
 	help
@@ -112,9 +113,6 @@ config PM
 config STACKTRACE_SUPPORT
 	def_bool y
 
-config NEED_DMA_MAP_STATE
-	def_bool y
-
 config ISA_DMA_API
 	bool
 
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index a36b4e4e010ac..6bdac4c2a64aa 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -710,6 +710,7 @@ menuconfig PCI
 	select PCI_MSI
 	select IOMMU_HELPER
 	select IOMMU_SUPPORT
+	select NEED_DMA_MAP_STATE
 	select NEED_SG_DMA_LENGTH
 
 	help
@@ -735,9 +736,6 @@ config PCI_DOMAINS
 config HAS_IOMEM
 	def_bool PCI
 
-config NEED_DMA_MAP_STATE
-	def_bool PCI
-
 config CHSC_SCH
 	def_tristate m
 	prompt "Support for CHSC subchannels"
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index a0f1c4a8a0930..7d521926041e6 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -49,6 +49,7 @@ config SUPERH
 	select HAVE_ARCH_AUDITSYSCALL
 	select HAVE_FUTEX_CMPXCHG if FUTEX
 	select HAVE_NMI
+	select NEED_DMA_MAP_STATE
 	select NEED_SG_DMA_LENGTH
 
 	help
@@ -161,9 +162,6 @@ config DMA_COHERENT
 config DMA_NONCOHERENT
 	def_bool !DMA_COHERENT
 
-config NEED_DMA_MAP_STATE
-	def_bool DMA_NONCOHERENT
-
 config PGTABLE_LEVELS
 	default 3 if X2TLB
 	default 2
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index a2f4483d9b6ee..304c94b501710 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -43,6 +43,7 @@ config SPARC
 	select ARCH_HAS_SG_CHAIN
 	select CPU_NO_EFFICIENT_FFS
 	select LOCKDEP_SMALL if LOCKDEP
+	select NEED_DMA_MAP_STATE
 	select NEED_SG_DMA_LENGTH
 
 config SPARC32
@@ -143,9 +144,6 @@ config ZONE_DMA
 	bool
 	default y if SPARC32
 
-config NEED_DMA_MAP_STATE
-	def_bool y
-
 config GENERIC_ISA_DMA
 	bool
 	default y if SPARC32
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index 462e59a7ae783..82195714d20b2 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -19,6 +19,7 @@ config UNICORE32
 	select ARCH_WANT_FRAME_POINTERS
 	select GENERIC_IOMAP
 	select MODULES_USE_ELF_REL
+	select NEED_DMA_MAP_STATE
 	help
 	  UniCore-32 is 32-bit Instruction Set Architecture,
 	  including a series of low-power-consumption RISC chip
@@ -61,9 +62,6 @@ config ARCH_MAY_HAVE_PC_FDC
 config ZONE_DMA
 	def_bool y
 
-config NEED_DMA_MAP_STATE
-       def_bool y
-
 source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 9cbadd6ba27be..06eea9bffecb6 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -28,6 +28,7 @@ config X86_64
 	select ARCH_USE_CMPXCHG_LOCKREF
 	select HAVE_ARCH_SOFT_DIRTY
 	select MODULES_USE_ELF_RELA
+	select NEED_DMA_MAP_STATE
 	select X86_DEV_DMA_OPS
 	select ARCH_HAS_SYSCALL_WRAPPER
 
@@ -236,10 +237,6 @@ config ARCH_MMAP_RND_COMPAT_BITS_MAX
 config SBUS
 	bool
 
-config NEED_DMA_MAP_STATE
-	def_bool y
-	depends on X86_64 || INTEL_IOMMU || DMA_API_DEBUG || SWIOTLB
-
 config GENERIC_ISA_DMA
 	def_bool y
 	depends on ISA_DMA_API
@@ -925,6 +922,7 @@ config CALGARY_IOMMU_ENABLED_BY_DEFAULT
 # need this always selected by IOMMU for the VIA workaround
 config SWIOTLB
 	def_bool y if X86_64
+	select NEED_DMA_MAP_STATE
 	---help---
 	  Support for software bounce buffers used on x86-64 systems
 	  which don't have a hardware IOMMU. Using this PCI devices