1 files changed, 0 insertions, 97 deletions
diff --git a/arch/blackfin/mm/maccess.c b/arch/blackfin/mm/maccess.c
deleted file mode 100644
index e2532114c5fd..000000000000
--- a/arch/blackfin/mm/maccess.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * safe read and write memory routines callable while atomic
- *
- * Copyright 2005-2008 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/uaccess.h>
-#include <asm/dma.h>
-
-static int validate_memory_access_address(unsigned long addr, int size)
-{
-	if (size < 0 || addr == 0)
-		return -EFAULT;
-	return bfin_mem_access_type(addr, size);
-}
-
-long probe_kernel_read(void *dst, const void *src, size_t size)
-{
-	unsigned long lsrc = (unsigned long)src;
-	int mem_type;
-
-	mem_type = validate_memory_access_address(lsrc, size);
-	if (mem_type < 0)
-		return mem_type;
-
-	if (lsrc >= SYSMMR_BASE) {
-		if (size == 2 && lsrc % 2 == 0) {
-			u16 mmr = bfin_read16(src);
-			memcpy(dst, &mmr, sizeof(mmr));
-			return 0;
-		} else if (size == 4 && lsrc % 4 == 0) {
-			u32 mmr = bfin_read32(src);
-			memcpy(dst, &mmr, sizeof(mmr));
-			return 0;
-		}
-	} else {
-		switch (mem_type) {
-		case BFIN_MEM_ACCESS_CORE:
-		case BFIN_MEM_ACCESS_CORE_ONLY:
-			return __probe_kernel_read(dst, src, size);
-			/* XXX: should support IDMA here with SMP */
-		case BFIN_MEM_ACCESS_DMA:
-			if (dma_memcpy(dst, src, size))
-				return 0;
-			break;
-		case BFIN_MEM_ACCESS_ITEST:
-			if (isram_memcpy(dst, src, size))
-				return 0;
-			break;
-		}
-	}
-
-	return -EFAULT;
-}
-
-long probe_kernel_write(void *dst, const void *src, size_t size)
-{
-	unsigned long ldst = (unsigned long)dst;
-	int mem_type;
-
-	mem_type = validate_memory_access_address(ldst, size);
-	if (mem_type < 0)
-		return mem_type;
-
-	if (ldst >= SYSMMR_BASE) {
-		if (size == 2 && ldst % 2 == 0) {
-			u16 mmr;
-			memcpy(&mmr, src, sizeof(mmr));
-			bfin_write16(dst, mmr);
-			return 0;
-		} else if (size == 4 && ldst % 4 == 0) {
-			u32 mmr;
-			memcpy(&mmr, src, sizeof(mmr));
-			bfin_write32(dst, mmr);
-			return 0;
-		}
-	} else {
-		switch (mem_type) {
-		case BFIN_MEM_ACCESS_CORE:
-		case BFIN_MEM_ACCESS_CORE_ONLY:
-			return __probe_kernel_write(dst, src, size);
-			/* XXX: should support IDMA here with SMP */
-		case BFIN_MEM_ACCESS_DMA:
-			if (dma_memcpy(dst, src, size))
-				return 0;
-			break;
-		case BFIN_MEM_ACCESS_ITEST:
-			if (isram_memcpy(dst, src, size))
-				return 0;
-			break;
-		}
-	}
-
-	return -EFAULT;
-}