*   parameter expect size to be in bytes.
  */
 
-#ifndef __KERNEL__
-#include <string.h>
-#endif
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <asm/byteorder.h>
 
 #include "csr1212.h"
 
        u_int16_t sum, crc = 0;
 
        for (; length; length--) {
-               data = CSR1212_BE32_TO_CPU(*buffer);
+               data = be32_to_cpu(*buffer);
                buffer++;
                for (shift = 28; shift >= 0; shift -= 4 ) {
                        sum = ((crc >> 12) ^ (data >> shift)) & 0xf;
                crc &= 0xffff;
        }
 
-       return CSR1212_CPU_TO_BE16(crc);
+       return cpu_to_be16(crc);
 }
 
 #if 0
        u_int16_t sum, crc = 0;
 
        for (; length; length--) {
-               data = CSR1212_LE32_TO_CPU(*buffer);
+               data = le32_to_cpu(*buffer);
                buffer++;
                for (shift = 28; shift >= 0; shift -= 4 ) {
                        sum = ((crc >> 12) ^ (data >> shift)) & 0xf;
                crc &= 0xffff;
        }
 
-       return CSR1212_CPU_TO_BE16(crc);
+       return cpu_to_be16(crc);
 }
 #endif
 
 {
        static const int mr_map[] = { 4, 64, 1024, 0 };
 
-#ifdef __KERNEL__
        BUG_ON(max_rom & ~0x3);
        csr->max_rom = mr_map[max_rom];
-#else
-       if (max_rom & ~0x3) /* caller supplied invalid argument */
-               csr->max_rom = 0;
-       else
-               csr->max_rom = mr_map[max_rom];
-#endif
        memcpy(csr->bus_info_data, bus_info_data, csr->bus_info_len);
 }
 
                             struct csr1212_keyval *associate)
 {
        if (!kv || !associate)
-               return CSR1212_EINVAL;
+               return -EINVAL;
 
        if (kv->key.id == CSR1212_KV_ID_DESCRIPTOR ||
           (associate->key.id != CSR1212_KV_ID_DESCRIPTOR &&
            associate->key.id != CSR1212_KV_ID_EXTENDED_KEY &&
            associate->key.id != CSR1212_KV_ID_EXTENDED_DATA &&
            associate->key.id < 0x30))
-               return CSR1212_EINVAL;
+               return -EINVAL;
 
        if (kv->key.id == CSR1212_KV_ID_EXTENDED_KEY_SPECIFIER_ID &&
           associate->key.id != CSR1212_KV_ID_EXTENDED_KEY)
-               return CSR1212_EINVAL;
+               return -EINVAL;
 
        if (kv->key.id == CSR1212_KV_ID_EXTENDED_KEY &&
           associate->key.id != CSR1212_KV_ID_EXTENDED_DATA)
-               return CSR1212_EINVAL;
+               return -EINVAL;
 
        if (associate->key.id == CSR1212_KV_ID_EXTENDED_KEY &&
           kv->key.id != CSR1212_KV_ID_EXTENDED_KEY_SPECIFIER_ID)
-               return CSR1212_EINVAL;
+               return -EINVAL;
 
        if (associate->key.id == CSR1212_KV_ID_EXTENDED_DATA &&
           kv->key.id != CSR1212_KV_ID_EXTENDED_KEY)
-               return CSR1212_EINVAL;
+               return -EINVAL;
 
        if (kv->associate)
                csr1212_release_keyval(kv->associate);
        struct csr1212_dentry *dentry;
 
        if (!kv || !dir || dir->key.type != CSR1212_KV_TYPE_DIRECTORY)
-               return CSR1212_EINVAL;
+               return -EINVAL;
 
        dentry = CSR1212_MALLOC(sizeof(*dentry));
        if (!dentry)
-               return CSR1212_ENOMEM;
+               return -ENOMEM;
 
        dentry->kv = kv;
 
 
 #define CSR1212_DESCRIPTOR_LEAF_SET_TYPE(kv, type) \
        ((kv)->value.leaf.data[0] = \
-        CSR1212_CPU_TO_BE32(CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID(kv) | \
-                            ((type) << CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT)))
+        cpu_to_be32(CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID(kv) | \
+                    ((type) << CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT)))
 #define CSR1212_DESCRIPTOR_LEAF_SET_SPECIFIER_ID(kv, spec_id) \
        ((kv)->value.leaf.data[0] = \
-        CSR1212_CPU_TO_BE32((CSR1212_DESCRIPTOR_LEAF_TYPE(kv) << \
-                             CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT) | \
-                            ((spec_id) & CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK)))
+        cpu_to_be32((CSR1212_DESCRIPTOR_LEAF_TYPE(kv) << \
+                     CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT) | \
+                    ((spec_id) & CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK)))
 
 static struct csr1212_keyval *
 csr1212_new_descriptor_leaf(u_int8_t dtype, u_int32_t specifier_id,
 #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_SET_WIDTH(kv, width) \
        ((kv)->value.leaf.data[1] = \
         ((kv)->value.leaf.data[1] & \
-         CSR1212_CPU_TO_BE32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK << \
-                               CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT))) | \
-        CSR1212_CPU_TO_BE32(((width) & \
-                             CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK) << \
-                            CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT))
+         cpu_to_be32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK << \
+                       CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT))) | \
+        cpu_to_be32(((width) & CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK) << \
+                    CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT))
 
 #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_SET_CHAR_SET(kv, char_set) \
        ((kv)->value.leaf.data[1] = \
         ((kv)->value.leaf.data[1] & \
-         CSR1212_CPU_TO_BE32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK << \
-                               CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT))) | \
-        CSR1212_CPU_TO_BE32(((char_set) & \
-                             CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK) << \
-                            CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT))
+         cpu_to_be32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK << \
+                       CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT))) | \
+        cpu_to_be32(((char_set) & \
+                     CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK) << \
+                    CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT))
 
 #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_SET_LANGUAGE(kv, language) \
        ((kv)->value.leaf.data[1] = \
         ((kv)->value.leaf.data[1] & \
-         CSR1212_CPU_TO_BE32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK))) | \
-        CSR1212_CPU_TO_BE32(((language) & \
-                             CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK)))
+         cpu_to_be32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK))) | \
+        cpu_to_be32(((language) & \
+                     CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK)))
 
 static struct csr1212_keyval *
 csr1212_new_textual_descriptor_leaf(u_int8_t cwidth, u_int16_t cset,
 
        if (!csr || !csr->ops || !csr->ops->allocate_addr_range ||
            !csr->ops->release_addr || csr->max_rom < 1)
-               return CSR1212_EINVAL;
+               return -EINVAL;
 
        /* ROM size must be a multiple of csr->max_rom */
        romsize = (romsize + (csr->max_rom - 1)) & ~(csr->max_rom - 1);
 
        csr_addr = csr->ops->allocate_addr_range(romsize, csr->max_rom, csr->private);
        if (csr_addr == CSR1212_INVALID_ADDR_SPACE) {
-               return CSR1212_ENOMEM;
+               return -ENOMEM;
        }
        if (csr_addr < CSR1212_REGISTER_SPACE_BASE) {
                /* Invalid address returned from allocate_addr_range(). */
                csr->ops->release_addr(csr_addr, csr->private);
-               return CSR1212_ENOMEM;
+               return -ENOMEM;
        }
 
        cache = csr1212_rom_cache_malloc(csr_addr - CSR1212_REGISTER_SPACE_BASE, romsize);
        if (!cache) {
                csr->ops->release_addr(csr_addr, csr->private);
-               return CSR1212_ENOMEM;
+               return -ENOMEM;
        }
 
        cache->ext_rom = csr1212_new_keyval(CSR1212_KV_TYPE_LEAF, CSR1212_KV_ID_EXTENDED_ROM);
        if (!cache->ext_rom) {
                csr->ops->release_addr(csr_addr, csr->private);
                CSR1212_FREE(cache);
-               return CSR1212_ENOMEM;
+               return -ENOMEM;
        }
 
        if (csr1212_attach_keyval_to_directory(csr->root_kv, cache->ext_rom) != CSR1212_SUCCESS) {
                csr1212_release_keyval(cache->ext_rom);
                csr->ops->release_addr(csr_addr, csr->private);
                CSR1212_FREE(cache);
-               return CSR1212_ENOMEM;
+               return -ENOMEM;
        }
        cache->ext_rom->offset = csr_addr - CSR1212_REGISTER_SPACE_BASE;
        cache->ext_rom->value.leaf.len = -1;
                        value |= (a->key.id & CSR1212_KV_KEY_ID_MASK) << CSR1212_KV_KEY_SHIFT;
                        value |= (a->key.type & CSR1212_KV_KEY_TYPE_MASK) <<
                                (CSR1212_KV_KEY_SHIFT + CSR1212_KV_KEY_TYPE_SHIFT);
-                       data_buffer[index] = CSR1212_CPU_TO_BE32(value);
+                       data_buffer[index] = cpu_to_be32(value);
                        index++;
                }
        }
                                memcpy(kvi->data, kv->value.leaf.data,
                                       quads_to_bytes(kv->value.leaf.len));
 
-                       kvi->length = CSR1212_CPU_TO_BE16(kv->value.leaf.len);
+                       kvi->length = cpu_to_be16(kv->value.leaf.len);
                        kvi->crc = csr1212_crc16(kvi->data, kv->value.leaf.len);
                        break;
 
                case CSR1212_KV_TYPE_DIRECTORY:
                        csr1212_generate_tree_subdir(kv, kvi->data);
 
-                       kvi->length = CSR1212_CPU_TO_BE16(kv->value.directory.len);
+                       kvi->length = cpu_to_be16(kv->value.directory.len);
                        kvi->crc = csr1212_crc16(kvi->data, kv->value.directory.len);
                        break;
                }
        int init_offset;
 
        if (!csr)
-               return CSR1212_EINVAL;
+               return -EINVAL;
 
        cache = csr->cache_head;
 
                        /* Make sure the Extended ROM leaf is a multiple of
                         * max_rom in size. */
                        if (csr->max_rom < 1)
-                               return CSR1212_EINVAL;
+                               return -EINVAL;
                        leaf_size = (cache->len + (csr->max_rom - 1)) &
                                ~(csr->max_rom - 1);
 
                        /* Set the length and CRC of the extended ROM. */
                        struct csr1212_keyval_img *kvi =
                                (struct csr1212_keyval_img*)cache->data;
+                       u_int16_t len = bytes_to_quads(cache->len) - 1;
 
-                       kvi->length = CSR1212_CPU_TO_BE16(bytes_to_quads(cache->len) - 1);
-                       kvi->crc = csr1212_crc16(kvi->data,
-                                                bytes_to_quads(cache->len) - 1);
-
+                       kvi->length = cpu_to_be16(len);
+                       kvi->crc = csr1212_crc16(kvi->data, len);
                }
        }
 
                        return CSR1212_SUCCESS;
                }
        }
-       return CSR1212_ENOENT;
+       return -ENOENT;
 }
 
 
 
                /* check ROM header's info_length */
                if (i == 0 &&
-                   CSR1212_BE32_TO_CPU(csr->cache_head->data[0]) >> 24 !=
+                   be32_to_cpu(csr->cache_head->data[0]) >> 24 !=
                    bytes_to_quads(csr->bus_info_len) - 1)
-                       return CSR1212_EINVAL;
+                       return -EINVAL;
        }
 
        bi = (struct csr1212_bus_info_block_img*)csr->cache_head->data;
         * CRC algorithm that verifying them is moot. */
        if ((csr1212_crc16(bi->data, bi->crc_length) != bi->crc) &&
            (csr1212_msft_crc16(bi->data, bi->crc_length) != bi->crc))
-               return CSR1212_EINVAL;
+               return -EINVAL;
 #endif
 
        cr = CSR1212_MALLOC(sizeof(*cr));
        if (!cr)
-               return CSR1212_ENOMEM;
+               return -ENOMEM;
 
        cr->next = NULL;
        cr->prev = NULL;
        return CSR1212_SUCCESS;
 }
 
-#define CSR1212_KV_KEY(q)      (CSR1212_BE32_TO_CPU(q) >> CSR1212_KV_KEY_SHIFT)
+#define CSR1212_KV_KEY(q)      (be32_to_cpu(q) >> CSR1212_KV_KEY_SHIFT)
 #define CSR1212_KV_KEY_TYPE(q) (CSR1212_KV_KEY(q) >> CSR1212_KV_KEY_TYPE_SHIFT)
 #define CSR1212_KV_KEY_ID(q)   (CSR1212_KV_KEY(q) & CSR1212_KV_KEY_ID_MASK)
 #define CSR1212_KV_VAL_MASK    0xffffff
-#define CSR1212_KV_VAL(q)      (CSR1212_BE32_TO_CPU(q) & CSR1212_KV_VAL_MASK)
+#define CSR1212_KV_VAL(q)      (be32_to_cpu(q) & CSR1212_KV_VAL_MASK)
 
 static int csr1212_parse_dir_entry(struct csr1212_keyval *dir,
                                   csr1212_quad_t ki,
                k = csr1212_new_immediate(CSR1212_KV_KEY_ID(ki),
                                          CSR1212_KV_VAL(ki));
                if (!k) {
-                       ret = CSR1212_ENOMEM;
+                       ret = -ENOMEM;
                        goto fail;
                }
 
                k = csr1212_new_csr_offset(CSR1212_KV_KEY_ID(ki),
                                           CSR1212_KV_VAL(ki));
                if (!k) {
-                       ret = CSR1212_ENOMEM;
+                       ret = -ENOMEM;
                        goto fail;
                }
                k->refcnt = 0;  /* Don't keep local reference when parsing. */
                        /* Uh-oh.  Can't have a relative offset of 0 for Leaves
                         * or Directories.  The Config ROM image is most likely
                         * messed up, so we'll just abort here. */
-                       ret = CSR1212_EIO;
+                       ret = -EIO;
                        goto fail;
                }
 
                        k = csr1212_new_leaf(CSR1212_KV_KEY_ID(ki), NULL, 0);
                }
                if (!k) {
-                       ret = CSR1212_ENOMEM;
+                       ret = -ENOMEM;
                        goto fail;
                }
                k->refcnt = 0;  /* Don't keep local reference when parsing. */
 
        kvi = (struct csr1212_keyval_img*)&cache->data[bytes_to_quads(kv->offset -
                                                                      cache->offset)];
-       kvi_len = CSR1212_BE16_TO_CPU(kvi->length);
+       kvi_len = be16_to_cpu(kvi->length);
 
 #if 0
        /* Apparently there are too many differnt wrong implementations of the
         * CRC algorithm that verifying them is moot. */
        if ((csr1212_crc16(kvi->data, kvi_len) != kvi->crc) &&
            (csr1212_msft_crc16(kvi->data, kvi_len) != kvi->crc)) {
-               ret = CSR1212_EINVAL;
+               ret = -EINVAL;
                goto fail;
        }
 #endif
                if (kv->key.id != CSR1212_KV_ID_EXTENDED_ROM) {
                        kv->value.leaf.data = CSR1212_MALLOC(quads_to_bytes(kvi_len));
                        if (!kv->value.leaf.data) {
-                               ret = CSR1212_ENOMEM;
+                               ret = -ENOMEM;
                                goto fail;
                        }
 
        u_int16_t kv_len = 0;
 
        if (!csr || !kv || csr->max_rom < 1)
-               return CSR1212_EINVAL;
+               return -EINVAL;
 
        /* First find which cache the data should be in (or go in if not read
         * yet). */
 
                /* Only create a new cache for Extended ROM leaves. */
                if (kv->key.id != CSR1212_KV_ID_EXTENDED_ROM)
-                       return CSR1212_EINVAL;
+                       return -EINVAL;
 
                if (csr->ops->bus_read(csr,
                                       CSR1212_REGISTER_SPACE_BASE + kv->offset,
                                       sizeof(csr1212_quad_t), &q, csr->private)) {
-                       return CSR1212_EIO;
+                       return -EIO;
                }
 
-               kv->value.leaf.len = CSR1212_BE32_TO_CPU(q) >> 16;
+               kv->value.leaf.len = be32_to_cpu(q) >> 16;
 
                cache_size = (quads_to_bytes(kv->value.leaf.len + 1) +
                              (csr->max_rom - 1)) & ~(csr->max_rom - 1);
 
                cache = csr1212_rom_cache_malloc(kv->offset, cache_size);
                if (!cache)
-                       return CSR1212_ENOMEM;
+                       return -ENOMEM;
 
                kv->value.leaf.data = &cache->data[1];
                csr->cache_tail->next = cache;
                cache->filled_head =
                        CSR1212_MALLOC(sizeof(*cache->filled_head));
                if (!cache->filled_head) {
-                       return CSR1212_ENOMEM;
+                       return -ENOMEM;
                }
 
                cache->filled_head->offset_start = 0;
                if (cache_index < cr->offset_start) {
                        newcr = CSR1212_MALLOC(sizeof(*newcr));
                        if (!newcr)
-                               return CSR1212_ENOMEM;
+                               return -ENOMEM;
 
                        newcr->offset_start = cache_index & ~(csr->max_rom - 1);
                        newcr->offset_end = newcr->offset_start;
                           (cache_index < cr->offset_end)) {
                        kvi = (struct csr1212_keyval_img*)
                                (&cache->data[bytes_to_quads(cache_index)]);
-                       kv_len = quads_to_bytes(CSR1212_BE16_TO_CPU(kvi->length) +
-                                               1);
+                       kv_len = quads_to_bytes(be16_to_cpu(kvi->length) + 1);
                        break;
                } else if (cache_index == cr->offset_end)
                        break;
                cr = cache->filled_tail;
                newcr = CSR1212_MALLOC(sizeof(*newcr));
                if (!newcr)
-                       return CSR1212_ENOMEM;
+                       return -ENOMEM;
 
                newcr->offset_start = cache_index & ~(csr->max_rom - 1);
                newcr->offset_end = newcr->offset_start;
                                       csr->private)) {
                        if (csr->max_rom == 4)
                                /* We've got problems! */
-                               return CSR1212_EIO;
+                               return -EIO;
 
                        /* Apperently the max_rom value was a lie, set it to
                         * do quadlet reads and try again. */
                if (!kvi && (cr->offset_end > cache_index)) {
                        kvi = (struct csr1212_keyval_img*)
                                (&cache->data[bytes_to_quads(cache_index)]);
-                       kv_len = quads_to_bytes(CSR1212_BE16_TO_CPU(kvi->length) +
-                                               1);
+                       kv_len = quads_to_bytes(be16_to_cpu(kvi->length) + 1);
                }
 
                if ((kv_len + (kv->offset - cache->offset)) > cache->size) {
                         * beyond the ConfigROM image region and thus beyond the
                         * end of our cache region.  Therefore, we abort now
                         * rather than seg faulting later. */
-                       return CSR1212_EIO;
+                       return -EIO;
                }
 
                ncr = cr->next;
        int ret;
 
        if (!csr || !csr->ops || !csr->ops->bus_read)
-               return CSR1212_EINVAL;
+               return -EINVAL;
 
        ret = csr1212_parse_bus_info_block(csr);
        if (ret != CSR1212_SUCCESS)
                int i = csr->ops->get_max_rom(csr->bus_info_data,
                                              csr->private);
                if (i & ~0x3)
-                       return CSR1212_EINVAL;
+                       return -EINVAL;
                csr->max_rom = mr_map[i];
        }
 
 
 #ifndef __CSR1212_H__
 #define __CSR1212_H__
 
-
-/* Compatibility layer */
-#ifdef __KERNEL__
-
 #include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/interrupt.h>
 #include <linux/vmalloc.h>
-#include <asm/pgalloc.h>
 
 #define CSR1212_MALLOC(size)           vmalloc((size))
 #define CSR1212_FREE(ptr)              vfree(ptr)
-#define CSR1212_BE16_TO_CPU(quad)      be16_to_cpu(quad)
-#define CSR1212_CPU_TO_BE16(quad)      cpu_to_be16(quad)
-#define CSR1212_BE32_TO_CPU(quad)      be32_to_cpu(quad)
-#define CSR1212_CPU_TO_BE32(quad)      cpu_to_be32(quad)
-#define CSR1212_BE64_TO_CPU(quad)      be64_to_cpu(quad)
-#define CSR1212_CPU_TO_BE64(quad)      cpu_to_be64(quad)
-
-#define CSR1212_LE16_TO_CPU(quad)      le16_to_cpu(quad)
-#define CSR1212_CPU_TO_LE16(quad)      cpu_to_le16(quad)
-#define CSR1212_LE32_TO_CPU(quad)      le32_to_cpu(quad)
-#define CSR1212_CPU_TO_LE32(quad)      cpu_to_le32(quad)
-#define CSR1212_LE64_TO_CPU(quad)      le64_to_cpu(quad)
-#define CSR1212_CPU_TO_LE64(quad)      cpu_to_le64(quad)
-
-#include <linux/errno.h>
-#define CSR1212_SUCCESS (0)
-#define CSR1212_EINVAL (-EINVAL)
-#define CSR1212_ENOMEM (-ENOMEM)
-#define CSR1212_ENOENT (-ENOENT)
-#define CSR1212_EIO    (-EIO)
-#define CSR1212_EBUSY  (-EBUSY)
-
-#else  /* Userspace */
-
-#include <sys/types.h>
-#include <malloc.h>
-#define CSR1212_MALLOC(size)           malloc(size)
-#define CSR1212_FREE(ptr)              free(ptr)
-#include <endian.h>
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#include <byteswap.h>
-#define CSR1212_BE16_TO_CPU(quad)      bswap_16(quad)
-#define CSR1212_CPU_TO_BE16(quad)      bswap_16(quad)
-#define CSR1212_BE32_TO_CPU(quad)      bswap_32(quad)
-#define CSR1212_CPU_TO_BE32(quad)      bswap_32(quad)
-#define CSR1212_BE64_TO_CPU(quad)      bswap_64(quad)
-#define CSR1212_CPU_TO_BE64(quad)      bswap_64(quad)
-
-#define CSR1212_LE16_TO_CPU(quad)      (quad)
-#define CSR1212_CPU_TO_LE16(quad)      (quad)
-#define CSR1212_LE32_TO_CPU(quad)      (quad)
-#define CSR1212_CPU_TO_LE32(quad)      (quad)
-#define CSR1212_LE64_TO_CPU(quad)      (quad)
-#define CSR1212_CPU_TO_LE64(quad)      (quad)
-#else
-#define CSR1212_BE16_TO_CPU(quad)      (quad)
-#define CSR1212_CPU_TO_BE16(quad)      (quad)
-#define CSR1212_BE32_TO_CPU(quad)      (quad)
-#define CSR1212_CPU_TO_BE32(quad)      (quad)
-#define CSR1212_BE64_TO_CPU(quad)      (quad)
-#define CSR1212_CPU_TO_BE64(quad)      (quad)
-
-#define CSR1212_LE16_TO_CPU(quad)      bswap_16(quad)
-#define CSR1212_CPU_TO_LE16(quad)      bswap_16(quad)
-#define CSR1212_LE32_TO_CPU(quad)      bswap_32(quad)
-#define CSR1212_CPU_TO_LE32(quad)      bswap_32(quad)
-#define CSR1212_LE64_TO_CPU(quad)      bswap_64(quad)
-#define CSR1212_CPU_TO_LE64(quad)      bswap_64(quad)
-#endif
-
-#include <errno.h>
-#define CSR1212_SUCCESS (0)
-#define CSR1212_EINVAL (EINVAL)
-#define CSR1212_ENOMEM (ENOMEM)
-#define CSR1212_ENOENT (ENOENT)
-#define CSR1212_EIO    (EIO)
-#define CSR1212_EBUSY  (EBUSY)
 
-#endif
+#define CSR1212_SUCCESS (0)
 
 
 /* CSR 1212 key types */
 #define CSR1212_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u_int32_t))
 
 #define CSR1212_DESCRIPTOR_LEAF_TYPE(kv) \
-       (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[0]) >> CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT)
+       (be32_to_cpu((kv)->value.leaf.data[0]) >> CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT)
 #define CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID(kv) \
-       (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[0]) & \
+       (be32_to_cpu((kv)->value.leaf.data[0]) & \
         CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK)
 
 
 #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u_int32_t))
 
 #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH(kv) \
-       (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1]) >> \
+       (be32_to_cpu((kv)->value.leaf.data[1]) >> \
         CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT)
 #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET(kv) \
-       ((CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1]) >> \
-                            CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT) & \
-                           CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK)
+       ((be32_to_cpu((kv)->value.leaf.data[1]) >> \
+         CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT) & \
+        CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK)
 #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE(kv) \
-       (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1]) & \
+       (be32_to_cpu((kv)->value.leaf.data[1]) & \
         CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK)
 #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_DATA(kv) \
        (&((kv)->value.leaf.data[2]))