linux/linux-5.18.11/arch/mips/loongson2ef/fuloong-2e/dma.c

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2024-03-22 18:12:32 +00:00
// 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)
{
return dma_addr & 0x7fffffff;
}