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-rw-r--r--arch/x86/Kconfig5
-rw-r--r--arch/x86/include/asm/device.h4
-rw-r--r--arch/x86/include/asm/dma-mapping.h2
3 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 1d14cc6b79a..07b412aed38 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -12,6 +12,7 @@ config X86_32
config X86_64
def_bool 64BIT
+ select X86_DEV_DMA_OPS
### Arch settings
config X86
@@ -2215,6 +2216,10 @@ config HAVE_TEXT_POKE_SMP
bool
select STOP_MACHINE if SMP
+config X86_DEV_DMA_OPS
+ bool
+ depends on X86_64
+
source "net/Kconfig"
source "drivers/Kconfig"
diff --git a/arch/x86/include/asm/device.h b/arch/x86/include/asm/device.h
index 63a2a03d7d5..93e1c55f14a 100644
--- a/arch/x86/include/asm/device.h
+++ b/arch/x86/include/asm/device.h
@@ -5,8 +5,8 @@ struct dev_archdata {
#ifdef CONFIG_ACPI
void *acpi_handle;
#endif
-#ifdef CONFIG_X86_64
-struct dma_map_ops *dma_ops;
+#ifdef CONFIG_X86_DEV_DMA_OPS
+ struct dma_map_ops *dma_ops;
#endif
#if defined(CONFIG_INTEL_IOMMU) || defined(CONFIG_AMD_IOMMU)
void *iommu; /* hook for IOMMU specific extension */
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 4b4331d7193..09aa473e291 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -30,7 +30,7 @@ extern struct dma_map_ops *dma_ops;
static inline struct dma_map_ops *get_dma_ops(struct device *dev)
{
-#ifdef CONFIG_X86_32
+#ifndef CONFIG_X86_DEV_DMA_OPS
return dma_ops;
#else
if (unlikely(!dev) || !dev->archdata.dma_ops)