| From | <> | Subject | [PATCH v4 12/20] mtd: spi-nor: Print debug message when the read back test fails | Date | Sat, 2 Nov 2019 11:23:44 +0000 |
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From: Tudor Ambarus <tudor.ambarus@microchip.com>
Demystify where the EIO error occurs.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> --- drivers/mtd/spi-nor/spi-nor.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 8f5e9833081b..725dab241271 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -974,7 +974,12 @@ static int spi_nor_write_sr_and_check(struct spi_nor *nor, u8 status_new) if (ret) return ret; - return (nor->bouncebuf[0] != status_new) ? -EIO : 0; + if (nor->bouncebuf[0] != status_new) { + dev_dbg(nor->dev, "SR: read back test failed\n"); + return -EIO; + } + + return 0; } /** -- 2.9.5
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