arch: remove blackfin port

[sfrench/cifs-2.6.git] / arch / blackfin / mm / maccess.c

diff --git a/arch/blackfin/mm/maccess.c b/arch/blackfin/mm/maccess.c
deleted file mode 100644 (file)
index e253211..0000000
--- 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;
-}