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path: root/drivers/mtd/nand/raw/au1550nd.c
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Diffstat (limited to 'drivers/mtd/nand/raw/au1550nd.c')
-rw-r--r--drivers/mtd/nand/raw/au1550nd.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/mtd/nand/raw/au1550nd.c b/drivers/mtd/nand/raw/au1550nd.c
index d277a141c7d3..76ea4141eb10 100644
--- a/drivers/mtd/nand/raw/au1550nd.c
+++ b/drivers/mtd/nand/raw/au1550nd.c
@@ -29,13 +29,12 @@ struct au1550nd_ctx {
/**
* au_read_byte - read one byte from the chip
- * @mtd: MTD device structure
+ * @this: NAND chip object
*
* read function for 8bit buswidth
*/
-static u_char au_read_byte(struct mtd_info *mtd)
+static u_char au_read_byte(struct nand_chip *this)
{
- struct nand_chip *this = mtd_to_nand(mtd);
u_char ret = readb(this->IO_ADDR_R);
wmb(); /* drain writebuffer */
return ret;
@@ -57,13 +56,12 @@ static void au_write_byte(struct mtd_info *mtd, u_char byte)
/**
* au_read_byte16 - read one byte endianness aware from the chip
- * @mtd: MTD device structure
+ * @this: NAND chip object
*
* read function for 16bit buswidth with endianness conversion
*/
-static u_char au_read_byte16(struct mtd_info *mtd)
+static u_char au_read_byte16(struct nand_chip *this)
{
- struct nand_chip *this = mtd_to_nand(mtd);
u_char ret = (u_char) cpu_to_le16(readw(this->IO_ADDR_R));
wmb(); /* drain writebuffer */
return ret;
@@ -104,16 +102,15 @@ static void au_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
/**
* au_read_buf - read chip data into buffer
- * @mtd: MTD device structure
+ * @this: NAND chip object
* @buf: buffer to store date
* @len: number of bytes to read
*
* read function for 8bit buswidth
*/
-static void au_read_buf(struct mtd_info *mtd, u_char *buf, int len)
+static void au_read_buf(struct nand_chip *this, u_char *buf, int len)
{
int i;
- struct nand_chip *this = mtd_to_nand(mtd);
for (i = 0; i < len; i++) {
buf[i] = readb(this->IO_ADDR_R);