diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/mtd/spi-nor/spi-nor.c | 36 |
1 files changed, 9 insertions, 27 deletions
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index b62d9d00c30e..93cd1043ef4f 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -231,15 +231,8 @@ static int wait_till_ready(struct spi_nor *nor) */ static int erase_chip(struct spi_nor *nor) { - int ret; - dev_dbg(nor->dev, " %lldKiB\n", (long long)(nor->mtd->size >> 10)); - /* Wait until finished previous write command. */ - ret = wait_till_ready(nor); - if (ret) - return ret; - /* Send write enable, then erase commands. */ write_enable(nor); @@ -302,6 +295,10 @@ static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr) goto erase_err; } + ret = spi_nor_wait_till_ready(nor); + if (ret) + goto erase_err; + /* REVISIT in some cases we could speed up erasing large regions * by using SPINOR_OP_SE instead of SPINOR_OP_BE_4K. We may have set up * to use "small sector erase", but that's not always optimal. @@ -317,6 +314,10 @@ static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr) addr += mtd->erasesize; len -= mtd->erasesize; + + ret = spi_nor_wait_till_ready(nor); + if (ret) + goto erase_err; } } @@ -344,11 +345,6 @@ static int spi_nor_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) if (ret) return ret; - /* Wait until finished previous command */ - ret = wait_till_ready(nor); - if (ret) - goto err; - status_old = read_sr(nor); if (offset < mtd->size - (mtd->size / 2)) @@ -391,11 +387,6 @@ static int spi_nor_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) if (ret) return ret; - /* Wait until finished previous command */ - ret = wait_till_ready(nor); - if (ret) - goto err; - status_old = read_sr(nor); if (offset+len > mtd->size - (mtd->size / 64)) @@ -706,11 +697,6 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len, if (ret) return ret; - /* Wait until finished previous write command. */ - ret = wait_till_ready(nor); - if (ret) - goto time_out; - write_enable(nor); nor->sst_write_second = false; @@ -782,11 +768,6 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to, size_t len, if (ret) return ret; - /* Wait until finished previous write command. */ - ret = wait_till_ready(nor); - if (ret) - goto write_err; - write_enable(nor); page_offset = to & (nor->page_size - 1); @@ -815,6 +796,7 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to, size_t len, } } + ret = spi_nor_wait_till_ready(nor); write_err: spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_WRITE); return ret; |