From 52bbd2dcb42c21f183a2f59ad843a8d38fb68250 Mon Sep 17 00:00:00 2001 From: Michael Walle Date: Mon, 13 Jan 2020 23:32:48 +0100 Subject: mtd: spi-nor: remove unused enum spi_nor_ops The ops aren't used in any SPI NOR controller. Therefore, remove them altogether. Signed-off-by: Michael Walle Signed-off-by: Tudor Ambarus --- drivers/mtd/spi-nor/aspeed-smc.c | 4 ++-- drivers/mtd/spi-nor/cadence-quadspi.c | 4 ++-- drivers/mtd/spi-nor/hisi-sfc.c | 4 ++-- drivers/mtd/spi-nor/spi-nor.c | 36 +++++++++++++++++------------------ include/linux/mtd/spi-nor.h | 12 ++---------- 5 files changed, 26 insertions(+), 34 deletions(-) diff --git a/drivers/mtd/spi-nor/aspeed-smc.c b/drivers/mtd/spi-nor/aspeed-smc.c index 2b7cabbb680c..395127349aa8 100644 --- a/drivers/mtd/spi-nor/aspeed-smc.c +++ b/drivers/mtd/spi-nor/aspeed-smc.c @@ -305,7 +305,7 @@ static void aspeed_smc_stop_user(struct spi_nor *nor) writel(ctl, chip->ctl); /* default to fread or read mode */ } -static int aspeed_smc_prep(struct spi_nor *nor, enum spi_nor_ops ops) +static int aspeed_smc_prep(struct spi_nor *nor) { struct aspeed_smc_chip *chip = nor->priv; @@ -313,7 +313,7 @@ static int aspeed_smc_prep(struct spi_nor *nor, enum spi_nor_ops ops) return 0; } -static void aspeed_smc_unprep(struct spi_nor *nor, enum spi_nor_ops ops) +static void aspeed_smc_unprep(struct spi_nor *nor) { struct aspeed_smc_chip *chip = nor->priv; diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c index 06f997247d0f..494dcab4aaaa 100644 --- a/drivers/mtd/spi-nor/cadence-quadspi.c +++ b/drivers/mtd/spi-nor/cadence-quadspi.c @@ -1062,7 +1062,7 @@ static int cqspi_erase(struct spi_nor *nor, loff_t offs) return 0; } -static int cqspi_prep(struct spi_nor *nor, enum spi_nor_ops ops) +static int cqspi_prep(struct spi_nor *nor) { struct cqspi_flash_pdata *f_pdata = nor->priv; struct cqspi_st *cqspi = f_pdata->cqspi; @@ -1072,7 +1072,7 @@ static int cqspi_prep(struct spi_nor *nor, enum spi_nor_ops ops) return 0; } -static void cqspi_unprep(struct spi_nor *nor, enum spi_nor_ops ops) +static void cqspi_unprep(struct spi_nor *nor) { struct cqspi_flash_pdata *f_pdata = nor->priv; struct cqspi_st *cqspi = f_pdata->cqspi; diff --git a/drivers/mtd/spi-nor/hisi-sfc.c b/drivers/mtd/spi-nor/hisi-sfc.c index 6db964bf3b0e..6c7a4118752e 100644 --- a/drivers/mtd/spi-nor/hisi-sfc.c +++ b/drivers/mtd/spi-nor/hisi-sfc.c @@ -144,7 +144,7 @@ static void hisi_spi_nor_init(struct hifmc_host *host) writel(reg, host->regbase + FMC_SPI_TIMING_CFG); } -static int hisi_spi_nor_prep(struct spi_nor *nor, enum spi_nor_ops ops) +static int hisi_spi_nor_prep(struct spi_nor *nor) { struct hifmc_priv *priv = nor->priv; struct hifmc_host *host = priv->host; @@ -167,7 +167,7 @@ out: return ret; } -static void hisi_spi_nor_unprep(struct spi_nor *nor, enum spi_nor_ops ops) +static void hisi_spi_nor_unprep(struct spi_nor *nor) { struct hifmc_priv *priv = nor->priv; struct hifmc_host *host = priv->host; diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index ce6af78b25db..9325c6f4c1eb 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -1312,14 +1312,14 @@ static void spi_nor_set_4byte_opcodes(struct spi_nor *nor) } } -static int spi_nor_lock_and_prep(struct spi_nor *nor, enum spi_nor_ops ops) +static int spi_nor_lock_and_prep(struct spi_nor *nor) { int ret = 0; mutex_lock(&nor->lock); if (nor->controller_ops && nor->controller_ops->prepare) { - ret = nor->controller_ops->prepare(nor, ops); + ret = nor->controller_ops->prepare(nor); if (ret) { mutex_unlock(&nor->lock); return ret; @@ -1328,10 +1328,10 @@ static int spi_nor_lock_and_prep(struct spi_nor *nor, enum spi_nor_ops ops) return ret; } -static void spi_nor_unlock_and_unprep(struct spi_nor *nor, enum spi_nor_ops ops) +static void spi_nor_unlock_and_unprep(struct spi_nor *nor) { if (nor->controller_ops && nor->controller_ops->unprepare) - nor->controller_ops->unprepare(nor, ops); + nor->controller_ops->unprepare(nor); mutex_unlock(&nor->lock); } @@ -1693,7 +1693,7 @@ static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr) addr = instr->addr; len = instr->len; - ret = spi_nor_lock_and_prep(nor, SPI_NOR_OPS_ERASE); + ret = spi_nor_lock_and_prep(nor); if (ret) return ret; @@ -1756,7 +1756,7 @@ static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr) ret = spi_nor_write_disable(nor); erase_err: - spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_ERASE); + spi_nor_unlock_and_unprep(nor); return ret; } @@ -2052,13 +2052,13 @@ static int spi_nor_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) struct spi_nor *nor = mtd_to_spi_nor(mtd); int ret; - ret = spi_nor_lock_and_prep(nor, SPI_NOR_OPS_LOCK); + ret = spi_nor_lock_and_prep(nor); if (ret) return ret; ret = nor->params.locking_ops->lock(nor, ofs, len); - spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_UNLOCK); + spi_nor_unlock_and_unprep(nor); return ret; } @@ -2067,13 +2067,13 @@ static int spi_nor_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) struct spi_nor *nor = mtd_to_spi_nor(mtd); int ret; - ret = spi_nor_lock_and_prep(nor, SPI_NOR_OPS_UNLOCK); + ret = spi_nor_lock_and_prep(nor); if (ret) return ret; ret = nor->params.locking_ops->unlock(nor, ofs, len); - spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_LOCK); + spi_nor_unlock_and_unprep(nor); return ret; } @@ -2082,13 +2082,13 @@ static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) struct spi_nor *nor = mtd_to_spi_nor(mtd); int ret; - ret = spi_nor_lock_and_prep(nor, SPI_NOR_OPS_UNLOCK); + ret = spi_nor_lock_and_prep(nor); if (ret) return ret; ret = nor->params.locking_ops->is_locked(nor, ofs, len); - spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_LOCK); + spi_nor_unlock_and_unprep(nor); return ret; } @@ -2742,7 +2742,7 @@ static int spi_nor_read(struct mtd_info *mtd, loff_t from, size_t len, dev_dbg(nor->dev, "from 0x%08x, len %zd\n", (u32)from, len); - ret = spi_nor_lock_and_prep(nor, SPI_NOR_OPS_READ); + ret = spi_nor_lock_and_prep(nor); if (ret) return ret; @@ -2769,7 +2769,7 @@ static int spi_nor_read(struct mtd_info *mtd, loff_t from, size_t len, ret = 0; read_err: - spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_READ); + spi_nor_unlock_and_unprep(nor); return ret; } @@ -2782,7 +2782,7 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len, dev_dbg(nor->dev, "to 0x%08x, len %zd\n", (u32)to, len); - ret = spi_nor_lock_and_prep(nor, SPI_NOR_OPS_WRITE); + ret = spi_nor_lock_and_prep(nor); if (ret) return ret; @@ -2855,7 +2855,7 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len, } out: *retlen += actual; - spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_WRITE); + spi_nor_unlock_and_unprep(nor); return ret; } @@ -2873,7 +2873,7 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to, size_t len, dev_dbg(nor->dev, "to 0x%08x, len %zd\n", (u32)to, len); - ret = spi_nor_lock_and_prep(nor, SPI_NOR_OPS_WRITE); + ret = spi_nor_lock_and_prep(nor); if (ret) return ret; @@ -2919,7 +2919,7 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to, size_t len, } write_err: - spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_WRITE); + spi_nor_unlock_and_unprep(nor); return ret; } diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index 7e32adce72f7..5abd91cc6dfa 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -225,14 +225,6 @@ static inline u8 spi_nor_get_protocol_width(enum spi_nor_protocol proto) return spi_nor_get_protocol_data_nbits(proto); } -enum spi_nor_ops { - SPI_NOR_OPS_READ = 0, - SPI_NOR_OPS_WRITE, - SPI_NOR_OPS_ERASE, - SPI_NOR_OPS_LOCK, - SPI_NOR_OPS_UNLOCK, -}; - enum spi_nor_option_flags { SNOR_F_USE_FSR = BIT(0), SNOR_F_HAS_SR_TB = BIT(1), @@ -485,8 +477,8 @@ struct spi_nor; * opcode via write_reg(). */ struct spi_nor_controller_ops { - int (*prepare)(struct spi_nor *nor, enum spi_nor_ops ops); - void (*unprepare)(struct spi_nor *nor, enum spi_nor_ops ops); + int (*prepare)(struct spi_nor *nor); + void (*unprepare)(struct spi_nor *nor); int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, size_t len); int (*write_reg)(struct spi_nor *nor, u8 opcode, const u8 *buf, size_t len); -- cgit v1.2.3