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path: root/drivers/mtd/nand/raw/cmx270_nand.c
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Diffstat (limited to 'drivers/mtd/nand/raw/cmx270_nand.c')
-rw-r--r--drivers/mtd/nand/raw/cmx270_nand.c48
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);
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