1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun #include <linux/dma-direct.h> 3*4882a593Smuzhiyun phys_to_dma(struct device * dev,phys_addr_t paddr)4*4882a593Smuzhiyundma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) 5*4882a593Smuzhiyun { 6*4882a593Smuzhiyun return paddr | 0x80000000; 7*4882a593Smuzhiyun } 8*4882a593Smuzhiyun dma_to_phys(struct device * dev,dma_addr_t dma_addr)9*4882a593Smuzhiyunphys_addr_t dma_to_phys(struct device *dev, dma_addr_t dma_addr) 10*4882a593Smuzhiyun { 11*4882a593Smuzhiyun if (dma_addr > 0x8fffffff) 12*4882a593Smuzhiyun return dma_addr; 13*4882a593Smuzhiyun return dma_addr & 0x0fffffff; 14*4882a593Smuzhiyun } 15