diff options
Diffstat (limited to 'drivers/mtd/spi/sf_dataflash.c')
| -rw-r--r-- | drivers/mtd/spi/sf_dataflash.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mtd/spi/sf_dataflash.c b/drivers/mtd/spi/sf_dataflash.c index bcddfa0755..e5c0e12faa 100644 --- a/drivers/mtd/spi/sf_dataflash.c +++ b/drivers/mtd/spi/sf_dataflash.c @@ -134,11 +134,17 @@ static int spi_dataflash_erase(struct udevice *dev, u32 offset, size_t len) debug("%s: erase addr=0x%x len 0x%x\n", dev->name, offset, len); div_u64_rem(len, spi_flash->page_size, &rem); - if (rem) + if (rem) { + printf("%s: len(0x%x) isn't the multiple of page size(0x%x)\n", + dev->name, len, spi_flash->page_size); return -EINVAL; + } div_u64_rem(offset, spi_flash->page_size, &rem); - if (rem) + if (rem) { + printf("%s: offset(0x%x) isn't the multiple of page size(0x%x)\n", + dev->name, offset, spi_flash->page_size); return -EINVAL; + } status = spi_claim_bus(spi); if (status) { |