mirror of https://gitee.com/openkylin/linux.git
mtd: nand: nuc900: create and use mtd_to_nuc900()
Create and use mtd_to_nuc900() instead of direct container_of() calls. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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@ -62,6 +62,11 @@ struct nuc900_nand {
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spinlock_t lock;
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};
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static inline struct nuc900_nand *mtd_to_nuc900(struct mtd_info *mtd)
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{
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return container_of(mtd, struct nuc900_nand, mtd);
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}
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static const struct mtd_partition partitions[] = {
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{
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.name = "NAND FS 0",
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@ -78,9 +83,7 @@ static const struct mtd_partition partitions[] = {
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static unsigned char nuc900_nand_read_byte(struct mtd_info *mtd)
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{
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unsigned char ret;
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struct nuc900_nand *nand;
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nand = container_of(mtd, struct nuc900_nand, mtd);
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struct nuc900_nand *nand = mtd_to_nuc900(mtd);
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ret = (unsigned char)read_data_reg(nand);
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@ -91,9 +94,7 @@ static void nuc900_nand_read_buf(struct mtd_info *mtd,
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unsigned char *buf, int len)
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{
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int i;
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struct nuc900_nand *nand;
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nand = container_of(mtd, struct nuc900_nand, mtd);
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struct nuc900_nand *nand = mtd_to_nuc900(mtd);
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for (i = 0; i < len; i++)
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buf[i] = (unsigned char)read_data_reg(nand);
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@ -103,9 +104,7 @@ static void nuc900_nand_write_buf(struct mtd_info *mtd,
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const unsigned char *buf, int len)
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{
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int i;
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struct nuc900_nand *nand;
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nand = container_of(mtd, struct nuc900_nand, mtd);
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struct nuc900_nand *nand = mtd_to_nuc900(mtd);
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for (i = 0; i < len; i++)
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write_data_reg(nand, buf[i]);
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@ -124,11 +123,9 @@ static int nuc900_check_rb(struct nuc900_nand *nand)
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static int nuc900_nand_devready(struct mtd_info *mtd)
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{
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struct nuc900_nand *nand;
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struct nuc900_nand *nand = mtd_to_nuc900(mtd);
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int ready;
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nand = container_of(mtd, struct nuc900_nand, mtd);
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ready = (nuc900_check_rb(nand)) ? 1 : 0;
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return ready;
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}
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@ -137,9 +134,7 @@ static void nuc900_nand_command_lp(struct mtd_info *mtd, unsigned int command,
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int column, int page_addr)
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{
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register struct nand_chip *chip = mtd_to_nand(mtd);
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struct nuc900_nand *nand;
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nand = container_of(mtd, struct nuc900_nand, mtd);
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struct nuc900_nand *nand = mtd_to_nuc900(mtd);
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if (command == NAND_CMD_READOOB) {
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column += mtd->writesize;
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