diff options
Diffstat (limited to 'drivers/mtd/nand/raw/cmx270_nand.c')
-rw-r--r-- | drivers/mtd/nand/raw/cmx270_nand.c | 48 |
1 files changed, 22 insertions, 26 deletions
diff --git a/drivers/mtd/nand/raw/cmx270_nand.c b/drivers/mtd/nand/raw/cmx270_nand.c index b66e254b6802..143e4acacaae 100644 --- a/drivers/mtd/nand/raw/cmx270_nand.c +++ b/drivers/mtd/nand/raw/cmx270_nand.c @@ -49,29 +49,26 @@ static const struct mtd_partition partition_info[] = { }; #define NUM_PARTITIONS (ARRAY_SIZE(partition_info)) -static u_char cmx270_read_byte(struct mtd_info *mtd) +static u_char cmx270_read_byte(struct nand_chip *this) { - struct nand_chip *this = mtd_to_nand(mtd); - - return (readl(this->IO_ADDR_R) >> 16); + return (readl(this->legacy.IO_ADDR_R) >> 16); } -static void cmx270_write_buf(struct mtd_info *mtd, const u_char *buf, int len) +static void cmx270_write_buf(struct nand_chip *this, const u_char *buf, + int len) { int i; - struct nand_chip *this = mtd_to_nand(mtd); for (i=0; i<len; i++) - writel((*buf++ << 16), this->IO_ADDR_W); + writel((*buf++ << 16), this->legacy.IO_ADDR_W); } -static void cmx270_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void cmx270_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++ = readl(this->IO_ADDR_R) >> 16; + *buf++ = readl(this->legacy.IO_ADDR_R) >> 16; } static inline void nand_cs_on(void) @@ -89,11 +86,10 @@ static void nand_cs_off(void) /* * hardware specific access to control-lines */ -static void cmx270_hwcontrol(struct mtd_info *mtd, int dat, +static void cmx270_hwcontrol(struct nand_chip *this, int dat, unsigned int ctrl) { - struct nand_chip *this = mtd_to_nand(mtd); - unsigned int nandaddr = (unsigned int)this->IO_ADDR_W; + unsigned int nandaddr = (unsigned int)this->legacy.IO_ADDR_W; dsb(); @@ -113,9 +109,9 @@ static void cmx270_hwcontrol(struct mtd_info *mtd, int dat, } dsb(); - this->IO_ADDR_W = (void __iomem*)nandaddr; + this->legacy.IO_ADDR_W = (void __iomem*)nandaddr; if (dat != NAND_CMD_NONE) - writel((dat << 16), this->IO_ADDR_W); + writel((dat << 16), this->legacy.IO_ADDR_W); dsb(); } @@ -123,7 +119,7 @@ static void cmx270_hwcontrol(struct mtd_info *mtd, int dat, /* * read device ready pin */ -static int cmx270_device_ready(struct mtd_info *mtd) +static int cmx270_device_ready(struct nand_chip *this) { dsb(); @@ -177,23 +173,23 @@ static int __init cmx270_init(void) cmx270_nand_mtd->owner = THIS_MODULE; /* insert callbacks */ - this->IO_ADDR_R = cmx270_nand_io; - this->IO_ADDR_W = cmx270_nand_io; - this->cmd_ctrl = cmx270_hwcontrol; - this->dev_ready = cmx270_device_ready; + this->legacy.IO_ADDR_R = cmx270_nand_io; + this->legacy.IO_ADDR_W = cmx270_nand_io; + this->legacy.cmd_ctrl = cmx270_hwcontrol; + this->legacy.dev_ready = cmx270_device_ready; /* 15 us command delay time */ - this->chip_delay = 20; + this->legacy.chip_delay = 20; this->ecc.mode = NAND_ECC_SOFT; this->ecc.algo = NAND_ECC_HAMMING; /* read/write functions */ - this->read_byte = cmx270_read_byte; - this->read_buf = cmx270_read_buf; - this->write_buf = cmx270_write_buf; + this->legacy.read_byte = cmx270_read_byte; + this->legacy.read_buf = cmx270_read_buf; + this->legacy.write_buf = cmx270_write_buf; /* Scan to find existence of the device */ - ret = nand_scan(cmx270_nand_mtd, 1); + ret = nand_scan(this, 1); if (ret) { pr_notice("No NAND device\n"); goto err_scan; @@ -228,7 +224,7 @@ module_init(cmx270_init); static void __exit cmx270_cleanup(void) { /* Release resources, unregister device */ - nand_release(cmx270_nand_mtd); + nand_release(mtd_to_nand(cmx270_nand_mtd)); gpio_free(GPIO_NAND_RB); gpio_free(GPIO_NAND_CS); |