15 lines
313 B
C
15 lines
313 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/dma-direct.h>
|
|
|
|
dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
|
|
{
|
|
return paddr | 0x80000000;
|
|
}
|
|
|
|
phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t dma_addr)
|
|
{
|
|
if (dma_addr > 0x8fffffff)
|
|
return dma_addr;
|
|
return dma_addr & 0x0fffffff;
|
|
}
|