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WSL2-Linux-Kernel
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mtd: nand: fsmc: create and use mtd_to_fsmc() 

Create and use mtd_to_fsmc() to avoid duplication of
container_of(mtd, struct fsmc_nand_data, mtd) calls.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Boris BREZILLON 2015-12-10 08:59:46 +01:00 коммит произвёл Brian Norris
Родитель ce7f28531f
Коммит 277af429fb
1 изменённых файлов: 14 добавлений и 17 удалений
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31
drivers/mtd/nand/fsmc_nand.c
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@ -326,13 +326,18 @@ struct fsmc_nand_data {
void (*select_chip)(uint32_t bank, uint32_t busw);
};
static inline struct fsmc_nand_data *mtd_to_fsmc(struct mtd_info *mtd)
{
return container_of(mtd, struct fsmc_nand_data, mtd);
}
/* Assert CS signal based on chipnr */
static void fsmc_select_chip(struct mtd_info *mtd, int chipnr)
{
struct nand_chip *chip = mtd_to_nand(mtd);
struct fsmc_nand_data *host;
host = container_of(mtd, struct fsmc_nand_data, mtd);
host = mtd_to_fsmc(mtd);
switch (chipnr) {
case -1:
@ -359,8 +364,7 @@ static void fsmc_select_chip(struct mtd_info *mtd, int chipnr)
static void fsmc_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
{
struct nand_chip *this = mtd_to_nand(mtd);
struct fsmc_nand_data *host = container_of(mtd,
struct fsmc_nand_data, mtd);
struct fsmc_nand_data *host = mtd_to_fsmc(mtd);
void __iomem *regs = host->regs_va;
unsigned int bank = host->bank;
@ -445,8 +449,7 @@ static void fsmc_nand_setup(void __iomem *regs, uint32_t bank,
*/
static void fsmc_enable_hwecc(struct mtd_info *mtd, int mode)
{
struct fsmc_nand_data *host = container_of(mtd,
struct fsmc_nand_data, mtd);
struct fsmc_nand_data *host = mtd_to_fsmc(mtd);
void __iomem *regs = host->regs_va;
uint32_t bank = host->bank;
@ -466,8 +469,7 @@ static void fsmc_enable_hwecc(struct mtd_info *mtd, int mode)
static int fsmc_read_hwecc_ecc4(struct mtd_info *mtd, const uint8_t *data,
uint8_t *ecc)
{
struct fsmc_nand_data *host = container_of(mtd,
struct fsmc_nand_data, mtd);
struct fsmc_nand_data *host = mtd_to_fsmc(mtd);
void __iomem *regs = host->regs_va;
uint32_t bank = host->bank;
uint32_t ecc_tmp;
@ -517,8 +519,7 @@ static int fsmc_read_hwecc_ecc4(struct mtd_info *mtd, const uint8_t *data,
static int fsmc_read_hwecc_ecc1(struct mtd_info *mtd, const uint8_t *data,
uint8_t *ecc)
{
struct fsmc_nand_data *host = container_of(mtd,
struct fsmc_nand_data, mtd);
struct fsmc_nand_data *host = mtd_to_fsmc(mtd);
void __iomem *regs = host->regs_va;
uint32_t bank = host->bank;
uint32_t ecc_tmp;
@ -674,9 +675,8 @@ static void fsmc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
*/
static void fsmc_read_buf_dma(struct mtd_info *mtd, uint8_t *buf, int len)
{
struct fsmc_nand_data *host;
struct fsmc_nand_data *host = mtd_to_fsmc(mtd);
host = container_of(mtd, struct fsmc_nand_data, mtd);
dma_xfer(host, buf, len, DMA_FROM_DEVICE);
}
@ -689,9 +689,8 @@ static void fsmc_read_buf_dma(struct mtd_info *mtd, uint8_t *buf, int len)
static void fsmc_write_buf_dma(struct mtd_info *mtd, const uint8_t *buf,
int len)
{
struct fsmc_nand_data *host;
struct fsmc_nand_data *host = mtd_to_fsmc(mtd);
host = container_of(mtd, struct fsmc_nand_data, mtd);
dma_xfer(host, (void *)buf, len, DMA_TO_DEVICE);
}
@ -712,8 +711,7 @@ static void fsmc_write_buf_dma(struct mtd_info *mtd, const uint8_t *buf,
static int fsmc_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
uint8_t *buf, int oob_required, int page)
{
struct fsmc_nand_data *host = container_of(mtd,
struct fsmc_nand_data, mtd);
struct fsmc_nand_data *host = mtd_to_fsmc(mtd);
struct fsmc_eccplace *ecc_place = host->ecc_place;
int i, j, s, stat, eccsize = chip->ecc.size;
int eccbytes = chip->ecc.bytes;
@ -782,9 +780,8 @@ static int fsmc_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
static int fsmc_bch8_correct_data(struct mtd_info *mtd, uint8_t *dat,
uint8_t *read_ecc, uint8_t *calc_ecc)
{
struct fsmc_nand_data *host = container_of(mtd,
struct fsmc_nand_data, mtd);
struct nand_chip *chip = mtd_to_nand(mtd);
struct fsmc_nand_data *host = mtd_to_fsmc(mtd);
void __iomem *regs = host->regs_va;
unsigned int bank = host->bank;
uint32_t err_idx[8];