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path: root/drivers/mtd/nand/au1550nd.c
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Diffstat (limited to 'drivers/mtd/nand/au1550nd.c')
-rw-r--r--drivers/mtd/nand/au1550nd.c40
1 files changed, 21 insertions, 19 deletions
diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index 08a130f63faf..341ea4904164 100644
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -23,7 +23,6 @@
struct au1550nd_ctx {
- struct mtd_info info;
struct nand_chip chip;
int cs;
@@ -39,7 +38,7 @@ struct au1550nd_ctx {
*/
static u_char au_read_byte(struct mtd_info *mtd)
{
- struct nand_chip *this = mtd->priv;
+ struct nand_chip *this = mtd_to_nand(mtd);
u_char ret = readb(this->IO_ADDR_R);
wmb(); /* drain writebuffer */
return ret;
@@ -54,7 +53,7 @@ static u_char au_read_byte(struct mtd_info *mtd)
*/
static void au_write_byte(struct mtd_info *mtd, u_char byte)
{
- struct nand_chip *this = mtd->priv;
+ struct nand_chip *this = mtd_to_nand(mtd);
writeb(byte, this->IO_ADDR_W);
wmb(); /* drain writebuffer */
}
@@ -67,7 +66,7 @@ static void au_write_byte(struct mtd_info *mtd, u_char byte)
*/
static u_char au_read_byte16(struct mtd_info *mtd)
{
- struct nand_chip *this = mtd->priv;
+ 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;
@@ -82,7 +81,7 @@ static u_char au_read_byte16(struct mtd_info *mtd)
*/
static void au_write_byte16(struct mtd_info *mtd, u_char byte)
{
- struct nand_chip *this = mtd->priv;
+ struct nand_chip *this = mtd_to_nand(mtd);
writew(le16_to_cpu((u16) byte), this->IO_ADDR_W);
wmb(); /* drain writebuffer */
}
@@ -95,7 +94,7 @@ static void au_write_byte16(struct mtd_info *mtd, u_char byte)
*/
static u16 au_read_word(struct mtd_info *mtd)
{
- struct nand_chip *this = mtd->priv;
+ struct nand_chip *this = mtd_to_nand(mtd);
u16 ret = readw(this->IO_ADDR_R);
wmb(); /* drain writebuffer */
return ret;
@@ -112,7 +111,7 @@ static u16 au_read_word(struct mtd_info *mtd)
static void au_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
{
int i;
- struct nand_chip *this = mtd->priv;
+ struct nand_chip *this = mtd_to_nand(mtd);
for (i = 0; i < len; i++) {
writeb(buf[i], this->IO_ADDR_W);
@@ -131,7 +130,7 @@ static void au_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
static void au_read_buf(struct mtd_info *mtd, u_char *buf, int len)
{
int i;
- struct nand_chip *this = mtd->priv;
+ struct nand_chip *this = mtd_to_nand(mtd);
for (i = 0; i < len; i++) {
buf[i] = readb(this->IO_ADDR_R);
@@ -150,7 +149,7 @@ static void au_read_buf(struct mtd_info *mtd, u_char *buf, int len)
static void au_write_buf16(struct mtd_info *mtd, const u_char *buf, int len)
{
int i;
- struct nand_chip *this = mtd->priv;
+ struct nand_chip *this = mtd_to_nand(mtd);
u16 *p = (u16 *) buf;
len >>= 1;
@@ -172,7 +171,7 @@ static void au_write_buf16(struct mtd_info *mtd, const u_char *buf, int len)
static void au_read_buf16(struct mtd_info *mtd, u_char *buf, int len)
{
int i;
- struct nand_chip *this = mtd->priv;
+ struct nand_chip *this = mtd_to_nand(mtd);
u16 *p = (u16 *) buf;
len >>= 1;
@@ -197,8 +196,9 @@ static void au_read_buf16(struct mtd_info *mtd, u_char *buf, int len)
static void au1550_hwcontrol(struct mtd_info *mtd, int cmd)
{
- struct au1550nd_ctx *ctx = container_of(mtd, struct au1550nd_ctx, info);
- struct nand_chip *this = mtd->priv;
+ struct nand_chip *this = mtd_to_nand(mtd);
+ struct au1550nd_ctx *ctx = container_of(this, struct au1550nd_ctx,
+ chip);
switch (cmd) {
@@ -267,8 +267,9 @@ static void au1550_select_chip(struct mtd_info *mtd, int chip)
*/
static void au1550_command(struct mtd_info *mtd, unsigned command, int column, int page_addr)
{
- struct au1550nd_ctx *ctx = container_of(mtd, struct au1550nd_ctx, info);
- struct nand_chip *this = mtd->priv;
+ struct nand_chip *this = mtd_to_nand(mtd);
+ struct au1550nd_ctx *ctx = container_of(this, struct au1550nd_ctx,
+ chip);
int ce_override = 0, i;
unsigned long flags = 0;
@@ -405,6 +406,7 @@ static int au1550nd_probe(struct platform_device *pdev)
struct au1550nd_platdata *pd;
struct au1550nd_ctx *ctx;
struct nand_chip *this;
+ struct mtd_info *mtd;
struct resource *r;
int ret, cs;
@@ -438,8 +440,8 @@ static int au1550nd_probe(struct platform_device *pdev)
}
this = &ctx->chip;
- ctx->info.priv = this;
- ctx->info.dev.parent = &pdev->dev;
+ mtd = nand_to_mtd(this);
+ mtd->dev.parent = &pdev->dev;
/* figure out which CS# r->start belongs to */
cs = find_nand_cs(r->start);
@@ -467,13 +469,13 @@ static int au1550nd_probe(struct platform_device *pdev)
this->write_buf = (pd->devwidth) ? au_write_buf16 : au_write_buf;
this->read_buf = (pd->devwidth) ? au_read_buf16 : au_read_buf;
- ret = nand_scan(&ctx->info, 1);
+ ret = nand_scan(mtd, 1);
if (ret) {
dev_err(&pdev->dev, "NAND scan failed with %d\n", ret);
goto out3;
}
- mtd_device_register(&ctx->info, pd->parts, pd->num_parts);
+ mtd_device_register(mtd, pd->parts, pd->num_parts);
platform_set_drvdata(pdev, ctx);
@@ -493,7 +495,7 @@ static int au1550nd_remove(struct platform_device *pdev)
struct au1550nd_ctx *ctx = platform_get_drvdata(pdev);
struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- nand_release(&ctx->info);
+ nand_release(nand_to_mtd(&ctx->chip));
iounmap(ctx->base);
release_mem_region(r->start, 0x1000);
kfree(ctx);