mtd: spi-nor: s/addr_width/addr_nbytes
[linux-2.6-microblaze.git] / drivers / mtd / spi-nor / sfdp.c
index a521154..61ae8c8 100644 (file)
@@ -134,7 +134,7 @@ struct sfdp_4bait {
 
 /**
  * spi_nor_read_raw() - raw read of serial flash memory. read_opcode,
- *                     addr_width and read_dummy members of the struct spi_nor
+ *                     addr_nbytes and read_dummy members of the struct spi_nor
  *                     should be previously
  * set.
  * @nor:       pointer to a 'struct spi_nor'
@@ -178,21 +178,21 @@ static int spi_nor_read_raw(struct spi_nor *nor, u32 addr, size_t len, u8 *buf)
 static int spi_nor_read_sfdp(struct spi_nor *nor, u32 addr,
                             size_t len, void *buf)
 {
-       u8 addr_width, read_opcode, read_dummy;
+       u8 addr_nbytes, read_opcode, read_dummy;
        int ret;
 
        read_opcode = nor->read_opcode;
-       addr_width = nor->addr_width;
+       addr_nbytes = nor->addr_nbytes;
        read_dummy = nor->read_dummy;
 
        nor->read_opcode = SPINOR_OP_RDSFDP;
-       nor->addr_width = 3;
+       nor->addr_nbytes = 3;
        nor->read_dummy = 8;
 
        ret = spi_nor_read_raw(nor, addr, len, buf);
 
        nor->read_opcode = read_opcode;
-       nor->addr_width = addr_width;
+       nor->addr_nbytes = addr_nbytes;
        nor->read_dummy = read_dummy;
 
        return ret;
@@ -462,11 +462,11 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor,
        switch (bfpt.dwords[BFPT_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) {
        case BFPT_DWORD1_ADDRESS_BYTES_3_ONLY:
        case BFPT_DWORD1_ADDRESS_BYTES_3_OR_4:
-               nor->addr_width = 3;
+               nor->addr_nbytes = 3;
                break;
 
        case BFPT_DWORD1_ADDRESS_BYTES_4_ONLY:
-               nor->addr_width = 4;
+               nor->addr_nbytes = 4;
                break;
 
        default:
@@ -637,12 +637,12 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor,
 }
 
 /**
- * spi_nor_smpt_addr_width() - return the address width used in the
+ * spi_nor_smpt_addr_nbytes() - return the number of address bytes used in the
  *                            configuration detection command.
  * @nor:       pointer to a 'struct spi_nor'
  * @settings:  configuration detection command descriptor, dword1
  */
-static u8 spi_nor_smpt_addr_width(const struct spi_nor *nor, const u32 settings)
+static u8 spi_nor_smpt_addr_nbytes(const struct spi_nor *nor, const u32 settings)
 {
        switch (settings & SMPT_CMD_ADDRESS_LEN_MASK) {
        case SMPT_CMD_ADDRESS_LEN_0:
@@ -653,7 +653,7 @@ static u8 spi_nor_smpt_addr_width(const struct spi_nor *nor, const u32 settings)
                return 4;
        case SMPT_CMD_ADDRESS_LEN_USE_CURRENT:
        default:
-               return nor->addr_width;
+               return nor->addr_nbytes;
        }
 }
 
@@ -690,7 +690,7 @@ static const u32 *spi_nor_get_map_in_use(struct spi_nor *nor, const u32 *smpt,
        u32 addr;
        int err;
        u8 i;
-       u8 addr_width, read_opcode, read_dummy;
+       u8 addr_nbytes, read_opcode, read_dummy;
        u8 read_data_mask, map_id;
 
        /* Use a kmalloc'ed bounce buffer to guarantee it is DMA-able. */
@@ -698,7 +698,7 @@ static const u32 *spi_nor_get_map_in_use(struct spi_nor *nor, const u32 *smpt,
        if (!buf)
                return ERR_PTR(-ENOMEM);
 
-       addr_width = nor->addr_width;
+       addr_nbytes = nor->addr_nbytes;
        read_dummy = nor->read_dummy;
        read_opcode = nor->read_opcode;
 
@@ -709,7 +709,7 @@ static const u32 *spi_nor_get_map_in_use(struct spi_nor *nor, const u32 *smpt,
                        break;
 
                read_data_mask = SMPT_CMD_READ_DATA(smpt[i]);
-               nor->addr_width = spi_nor_smpt_addr_width(nor, smpt[i]);
+               nor->addr_nbytes = spi_nor_smpt_addr_nbytes(nor, smpt[i]);
                nor->read_dummy = spi_nor_smpt_read_dummy(nor, smpt[i]);
                nor->read_opcode = SMPT_CMD_OPCODE(smpt[i]);
                addr = smpt[i + 1];
@@ -756,7 +756,7 @@ static const u32 *spi_nor_get_map_in_use(struct spi_nor *nor, const u32 *smpt,
        /* fall through */
 out:
        kfree(buf);
-       nor->addr_width = addr_width;
+       nor->addr_nbytes = addr_nbytes;
        nor->read_dummy = read_dummy;
        nor->read_opcode = read_opcode;
        return ret;
@@ -1044,7 +1044,7 @@ static int spi_nor_parse_4bait(struct spi_nor *nor,
        /*
         * We need at least one 4-byte op code per read, program and erase
         * operation; the .read(), .write() and .erase() hooks share the
-        * nor->addr_width value.
+        * nor->addr_nbytes value.
         */
        if (!read_hwcaps || !pp_hwcaps || !erase_mask)
                goto out;
@@ -1098,7 +1098,7 @@ static int spi_nor_parse_4bait(struct spi_nor *nor,
         * Spansion memory. However this quirk is no longer needed with new
         * SFDP compliant memories.
         */
-       nor->addr_width = 4;
+       nor->addr_nbytes = 4;
        nor->flags |= SNOR_F_4B_OPCODES | SNOR_F_HAS_4BAIT;
 
        /* fall through */