Since write enabling shall do with buf and len without
need of exctra write_enable argument, hence removed the
same from write_reg.

Signed-off-by: Jagan Teki <[email protected]>
Cc: David Woodhouse <[email protected]>
Cc: Brian Norris <[email protected]>
Cc: Han Xu <[email protected]>
---
 drivers/mtd/devices/m25p80.c      |  3 +--
 drivers/mtd/spi-nor/fsl-quadspi.c |  3 +--
 drivers/mtd/spi-nor/spi-nor.c     | 16 ++++++++--------
 include/linux/mtd/spi-nor.h       |  3 +--
 4 files changed, 11 insertions(+), 14 deletions(-)

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 9cd3631..ab69d2d 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -62,8 +62,7 @@ static int m25p_cmdsz(struct spi_nor *nor)
        return 1 + nor->addr_width;
 }
 
-static int m25p80_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len,
-                       int wr_en)
+static int m25p80_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)
 {
        struct m25p *flash = nor->priv;
        struct spi_device *spi = flash->spi;
diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c 
b/drivers/mtd/spi-nor/fsl-quadspi.c
index d32b7e0..2c8c578 100644
--- a/drivers/mtd/spi-nor/fsl-quadspi.c
+++ b/drivers/mtd/spi-nor/fsl-quadspi.c
@@ -798,8 +798,7 @@ static int fsl_qspi_read_reg(struct spi_nor *nor, u8 
opcode, u8 *buf, int len)
        return 0;
 }
 
-static int fsl_qspi_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len,
-                       int write_enable)
+static int fsl_qspi_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)
 {
        struct fsl_qspi *q = nor->priv;
        int ret;
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 3e198b4..f954d03 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -143,7 +143,7 @@ static inline int spi_nor_read_dummy_cycles(struct spi_nor 
*nor)
 static inline int write_sr(struct spi_nor *nor, u8 val)
 {
        nor->cmd_buf[0] = val;
-       return nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 1, 0);
+       return nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 1);
 }
 
 /*
@@ -152,7 +152,7 @@ static inline int write_sr(struct spi_nor *nor, u8 val)
  */
 static inline int write_enable(struct spi_nor *nor)
 {
-       return nor->write_reg(nor, SPINOR_OP_WREN, NULL, 0, 0);
+       return nor->write_reg(nor, SPINOR_OP_WREN, NULL, 0);
 }
 
 /*
@@ -160,7 +160,7 @@ static inline int write_enable(struct spi_nor *nor)
  */
 static inline int write_disable(struct spi_nor *nor)
 {
-       return nor->write_reg(nor, SPINOR_OP_WRDI, NULL, 0, 0);
+       return nor->write_reg(nor, SPINOR_OP_WRDI, NULL, 0);
 }
 
 static inline struct spi_nor *mtd_to_spi_nor(struct mtd_info *mtd)
@@ -186,7 +186,7 @@ static inline int set_4byte(struct spi_nor *nor, struct 
flash_info *info,
                        write_enable(nor);
 
                cmd = enable ? SPINOR_OP_EN4B : SPINOR_OP_EX4B;
-               status = nor->write_reg(nor, cmd, NULL, 0, 0);
+               status = nor->write_reg(nor, cmd, NULL, 0);
                if (need_wren)
                        write_disable(nor);
 
@@ -194,7 +194,7 @@ static inline int set_4byte(struct spi_nor *nor, struct 
flash_info *info,
        default:
                /* Spansion style */
                nor->cmd_buf[0] = enable << 7;
-               return nor->write_reg(nor, SPINOR_OP_BRWR, nor->cmd_buf, 1, 0);
+               return nor->write_reg(nor, SPINOR_OP_BRWR, nor->cmd_buf, 1);
        }
 }
 static inline int spi_nor_sr_ready(struct spi_nor *nor)
@@ -265,7 +265,7 @@ static int erase_chip(struct spi_nor *nor)
 {
        dev_dbg(nor->dev, " %lldKiB\n", (long long)(nor->mtd->size >> 10));
 
-       return nor->write_reg(nor, SPINOR_OP_CHIP_ERASE, NULL, 0, 0);
+       return nor->write_reg(nor, SPINOR_OP_CHIP_ERASE, NULL, 0);
 }
 
 static int spi_nor_lock_and_prep(struct spi_nor *nor, enum spi_nor_ops ops)
@@ -894,7 +894,7 @@ static int write_sr_cr(struct spi_nor *nor, u16 val)
        nor->cmd_buf[0] = val & 0xff;
        nor->cmd_buf[1] = (val >> 8);
 
-       return nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 2, 0);
+       return nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 2);
 }
 
 static int spansion_quad_enable(struct spi_nor *nor)
@@ -936,7 +936,7 @@ static int micron_quad_enable(struct spi_nor *nor)
 
        /* set EVCR, enable quad I/O */
        nor->cmd_buf[0] = val & ~EVCR_QUAD_EN_MICRON;
-       ret = nor->write_reg(nor, SPINOR_OP_WD_EVCR, nor->cmd_buf, 1, 0);
+       ret = nor->write_reg(nor, SPINOR_OP_WD_EVCR, nor->cmd_buf, 1);
        if (ret < 0) {
                dev_err(nor->dev, "error while writing EVCR register\n");
                return ret;
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index e540952..c5a58c4 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -182,8 +182,7 @@ struct spi_nor {
        int (*write_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg,
                          u8 *buf, size_t len);
        int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);
-       int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len,
-                       int write_enable);
+       int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);
 
        int (*read)(struct spi_nor *nor, loff_t from,
                        size_t len, size_t *retlen, u_char *read_buf);
-- 
1.9.1

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