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[MTD] NAND remove write_byte/word function from nand_chip

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The previous change of the command / hardware control allows to
remove the write_byte/word functions completely, as their only
user were nand_command and nand_command_lp.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2006-05-23 23:28:48 +02:00
parent 7abd3ef987
commit cad74f2c38
7 changed files with 14 additions and 93 deletions
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45
drivers/mtd/nand/nand_base.c
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@ -197,19 +197,6 @@ static uint8_t nand_read_byte(struct mtd_info *mtd)
return readb(this->IO_ADDR_R);
}
/**
* nand_write_byte - [DEFAULT] write one byte to the chip
* @mtd: MTD device structure
* @byte: pointer to data byte to write
*
* Default write function for 8it buswith
*/
static void nand_write_byte(struct mtd_info *mtd, uint8_t byte)
{
struct nand_chip *this = mtd->priv;
writeb(byte, this->IO_ADDR_W);
}
/**
* nand_read_byte16 - [DEFAULT] read one byte endianess aware from the chip
* @mtd: MTD device structure
@ -223,20 +210,6 @@ static uint8_t nand_read_byte16(struct mtd_info *mtd)
return (uint8_t) cpu_to_le16(readw(this->IO_ADDR_R));
}
/**
* nand_write_byte16 - [DEFAULT] write one byte endianess aware to the chip
* @mtd: MTD device structure
* @byte: pointer to data byte to write
*
* Default write function for 16bit buswith with
* endianess conversion
*/
static void nand_write_byte16(struct mtd_info *mtd, uint8_t byte)
{
struct nand_chip *this = mtd->priv;
writew(le16_to_cpu((u16) byte), this->IO_ADDR_W);
}
/**
* nand_read_word - [DEFAULT] read one word from the chip
* @mtd: MTD device structure
@ -250,20 +223,6 @@ static u16 nand_read_word(struct mtd_info *mtd)
return readw(this->IO_ADDR_R);
}
/**
* nand_write_word - [DEFAULT] write one word to the chip
* @mtd: MTD device structure
* @word: data word to write
*
* Default write function for 16bit buswith without
* endianess conversion
*/
static void nand_write_word(struct mtd_info *mtd, u16 word)
{
struct nand_chip *this = mtd->priv;
writew(word, this->IO_ADDR_W);
}
/**
* nand_select_chip - [DEFAULT] control CE line
* @mtd: MTD device structure
@ -2200,12 +2159,8 @@ static void nand_set_defaults(struct nand_chip *this, int busw)
if (!this->select_chip)
this->select_chip = nand_select_chip;
if (!this->write_byte)
this->write_byte = busw ? nand_write_byte16 : nand_write_byte;
if (!this->read_byte)
this->read_byte = busw ? nand_read_byte16 : nand_read_byte;
if (!this->write_word)
this->write_word = nand_write_word;
if (!this->read_word)
this->read_word = nand_read_word;
if (!this->block_bad)