1 files changed, 0 insertions, 18 deletions
diff --git a/arch/mips/loongson64/common/dma.c b/arch/mips/loongson64/common/dma.c
deleted file mode 100644
index 48f04126bde2..000000000000
--- a/arch/mips/loongson64/common/dma.c
+++ /dev/null
@@ -1,18 +0,0 @@
-// 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 defined(CONFIG_CPU_LOONGSON2F) && defined(CONFIG_64BIT)
-	if (dma_addr > 0x8fffffff)
-		return dma_addr;
-	return dma_addr & 0x0fffffff;
-#else
-	return dma_addr & 0x7fffffff;
-#endif
-}