diff options
Diffstat (limited to 'drivers/mtd/nand/raw/diskonchip.c')
| -rw-r--r-- | drivers/mtd/nand/raw/diskonchip.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/drivers/mtd/nand/raw/diskonchip.c b/drivers/mtd/nand/raw/diskonchip.c index 142d21be874e..de1059069e8f 100644 --- a/drivers/mtd/nand/raw/diskonchip.c +++ b/drivers/mtd/nand/raw/diskonchip.c @@ -302,9 +302,8 @@ static void doc2000_write_byte(struct mtd_info *mtd, u_char datum) WriteDOC(datum, docptr, 2k_CDSN_IO); } -static u_char doc2000_read_byte(struct mtd_info *mtd) +static u_char doc2000_read_byte(struct nand_chip *this) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; u_char ret; @@ -334,9 +333,8 @@ static void doc2000_writebuf(struct mtd_info *mtd, const u_char *buf, int len) printk("\n"); } -static void doc2000_readbuf(struct mtd_info *mtd, u_char *buf, int len) +static void doc2000_readbuf(struct nand_chip *this, u_char *buf, int len) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; int i; @@ -344,14 +342,12 @@ static void doc2000_readbuf(struct mtd_info *mtd, u_char *buf, int len) if (debug) printk("readbuf of %d bytes: ", len); - for (i = 0; i < len; i++) { + for (i = 0; i < len; i++) buf[i] = ReadDOC(docptr, 2k_CDSN_IO + i); - } } -static void doc2000_readbuf_dword(struct mtd_info *mtd, u_char *buf, int len) +static void doc2000_readbuf_dword(struct nand_chip *this, u_char *buf, int len) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; int i; @@ -387,8 +383,8 @@ static uint16_t __init doc200x_ident_chip(struct mtd_info *mtd, int nr) */ udelay(50); - ret = this->read_byte(mtd) << 8; - ret |= this->read_byte(mtd); + ret = this->read_byte(this) << 8; + ret |= this->read_byte(this); if (doc->ChipID == DOC_ChipID_Doc2k && try_dword && !nr) { /* First chip probe. See if we get same results by 32-bit access */ @@ -447,7 +443,7 @@ static int doc200x_wait(struct mtd_info *mtd, struct nand_chip *this) DoC_WaitReady(doc); nand_status_op(this, NULL); DoC_WaitReady(doc); - status = (int)this->read_byte(mtd); + status = (int)this->read_byte(this); return status; } @@ -463,9 +459,8 @@ static void doc2001_write_byte(struct mtd_info *mtd, u_char datum) WriteDOC(datum, docptr, WritePipeTerm); } -static u_char doc2001_read_byte(struct mtd_info *mtd) +static u_char doc2001_read_byte(struct nand_chip *this) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; @@ -490,9 +485,8 @@ static void doc2001_writebuf(struct mtd_info *mtd, const u_char *buf, int len) WriteDOC(0x00, docptr, WritePipeTerm); } -static void doc2001_readbuf(struct mtd_info *mtd, u_char *buf, int len) +static void doc2001_readbuf(struct nand_chip *this, u_char *buf, int len) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; int i; @@ -507,9 +501,8 @@ static void doc2001_readbuf(struct mtd_info *mtd, u_char *buf, int len) buf[i] = ReadDOC(docptr, LastDataRead); } -static u_char doc2001plus_read_byte(struct mtd_info *mtd) +static u_char doc2001plus_read_byte(struct nand_chip *this) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; u_char ret; @@ -540,9 +533,8 @@ static void doc2001plus_writebuf(struct mtd_info *mtd, const u_char *buf, int le printk("\n"); } -static void doc2001plus_readbuf(struct mtd_info *mtd, u_char *buf, int len) +static void doc2001plus_readbuf(struct nand_chip *this, u_char *buf, int len) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; int i; @@ -735,7 +727,7 @@ static void doc2001plus_command(struct mtd_info *mtd, unsigned command, int colu WriteDOC(NAND_CMD_STATUS, docptr, Mplus_FlashCmd); WriteDOC(0, docptr, Mplus_WritePipeTerm); WriteDOC(0, docptr, Mplus_WritePipeTerm); - while (!(this->read_byte(mtd) & 0x40)) ; + while (!(this->read_byte(this) & 0x40)) ; return; /* This applies to read commands */ |