diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/spi/spi-nor-core.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c index 3bf9404490..ece4bc9e84 100644 --- a/drivers/mtd/spi/spi-nor-core.c +++ b/drivers/mtd/spi/spi-nor-core.c @@ -806,7 +806,8 @@ static int read_bar(struct spi_nor *nor, const struct flash_info *info) #endif /* - * Initiate the erasure of a single sector + * Initiate the erasure of a single sector. Returns the number of bytes erased + * on success, a negative error code on error. */ static int spi_nor_erase_sector(struct spi_nor *nor, u32 addr) { @@ -815,6 +816,7 @@ static int spi_nor_erase_sector(struct spi_nor *nor, u32 addr) SPI_MEM_OP_ADDR(nor->addr_width, addr, 0), SPI_MEM_OP_NO_DUMMY, SPI_MEM_OP_NO_DATA); + int ret; spi_nor_setup_op(nor, &op, nor->write_proto); @@ -825,7 +827,11 @@ static int spi_nor_erase_sector(struct spi_nor *nor, u32 addr) * Default implementation, if driver doesn't have a specialized HW * control */ - return spi_mem_exec_op(nor->spi, &op); + ret = spi_mem_exec_op(nor->spi, &op); + if (ret) + return ret; + + return nor->mtd.erasesize; } /* @@ -861,11 +867,11 @@ static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr) write_enable(nor); ret = spi_nor_erase_sector(nor, addr); - if (ret) + if (ret < 0) goto erase_err; - addr += mtd->erasesize; - len -= mtd->erasesize; + addr += ret; + len -= ret; ret = spi_nor_wait_till_ready(nor); if (ret) |