struct au1550nd_ctx {
- struct mtd_info info;
struct nand_chip chip;
int cs;
*/
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;
*/
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 */
}
*/
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;
*/
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 */
}
*/
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;
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);
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);
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;
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;
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) {
*/
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;
struct au1550nd_platdata *pd;
struct au1550nd_ctx *ctx;
struct nand_chip *this;
+ struct mtd_info *mtd;
struct resource *r;
int ret, cs;
}
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);
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);
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);