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mtd: spi: sf_dataflash: Add print message while erase error

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Add the print message to tell us why the erase operation doesn't work.

Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jagan Teki <jagan@openedev.com>
This commit is contained in:
Wenyou.Yang@microchip.com 2017-07-21 13:26:09 +08:00 • committed by Jagan Teki
parent ac6777b1e3
commit 8fc2faefdd
1 changed files with 8 additions and 2 deletions
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10
drivers/mtd/spi/sf_dataflash.c
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@ -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) {