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authorChristoph Hellwig <hch@lst.de>2022-04-19 10:35:29 +0300
committerChristoph Hellwig <hch@lst.de>2022-07-07 19:18:56 +0300
commite3217540c2710f42a2388fe7896f0f28695c00b2 (patch)
treed27914e888b63e668bba904d8ab0e306ea709bf9 /arch/arm/include
parent9ba26f5cecd86c85551a5120529c2f548099100f (diff)
downloadlinux-e3217540c2710f42a2388fe7896f0f28695c00b2.tar.xz
ARM/dma-mapping: remove dmabounce
Remove the now unused dmabounce code. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/device.h3
-rw-r--r--arch/arm/include/asm/dma-mapping.h29
2 files changed, 0 insertions, 32 deletions
diff --git a/arch/arm/include/asm/device.h b/arch/arm/include/asm/device.h
index be666f58bf7a..8754c0f5fc90 100644
--- a/arch/arm/include/asm/device.h
+++ b/arch/arm/include/asm/device.h
@@ -6,9 +6,6 @@
#define ASMARM_DEVICE_H
struct dev_archdata {
-#ifdef CONFIG_DMABOUNCE
- struct dmabounce_device_info *dmabounce;
-#endif
#ifdef CONFIG_ARM_DMA_USE_IOMMU
struct dma_iommu_mapping *mapping;
#endif
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 77082246a5e1..1e015a7ad86a 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -80,35 +80,6 @@ extern int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma,
*
*/
-/**
- * dmabounce_register_dev
- *
- * @dev: valid struct device pointer
- * @small_buf_size: size of buffers to use with small buffer pool
- * @large_buf_size: size of buffers to use with large buffer pool (can be 0)
- * @needs_bounce_fn: called to determine whether buffer needs bouncing
- *
- * This function should be called by low-level platform code to register
- * a device as requireing DMA buffer bouncing. The function will allocate
- * appropriate DMA pools for the device.
- */
-extern int dmabounce_register_dev(struct device *, unsigned long,
- unsigned long, int (*)(struct device *, dma_addr_t, size_t));
-
-/**
- * dmabounce_unregister_dev
- *
- * @dev: valid struct device pointer
- *
- * This function should be called by low-level platform code when device
- * that was previously registered with dmabounce_register_dev is removed
- * from the system.
- *
- */
-extern void dmabounce_unregister_dev(struct device *);
-
-
-
/*
* The scatter list versions of the above methods.
*/