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/* SPDX-License-Identifier: GPL-2.0-only */
#include <dma.h>
#include "debug.h"
void dma_sync_single_for_cpu(struct device *dev, dma_addr_t address,
size_t size, enum dma_data_direction dir)
{
void *ptr = dma_to_cpu(dev, address);
debug_dma_sync_single_for_cpu(dev, address, size, dir);
if (!dev_is_dma_coherent(dev))
arch_sync_dma_for_cpu(ptr, size, dir);
}
void dma_sync_single_for_device(struct device *dev, dma_addr_t address,
size_t size, enum dma_data_direction dir)
{
void *ptr = dma_to_cpu(dev, address);
debug_dma_sync_single_for_device(dev, address, size, dir);
if (!dev_is_dma_coherent(dev))
arch_sync_dma_for_device(ptr, size, dir);
}
dma_addr_t dma_map_single(struct device *dev, void *ptr,
size_t size, enum dma_data_direction dir)
{
dma_addr_t dma_addr = cpu_to_dma(dev, ptr);
debug_dma_map(dev, ptr, size, dir, dma_addr);
if (!dev_is_dma_coherent(dev))
arch_sync_dma_for_device(ptr, size, dir);
return dma_addr;
}
void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
size_t size, enum dma_data_direction dir)
{
if (!dev_is_dma_coherent(dev))
dma_sync_single_for_cpu(dev, dma_addr, size, dir);
debug_dma_unmap(dev, dma_addr, size, dir);
}
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