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| author | Tudor Ambarus <tudor.ambarus@microchip.com> | 2019-11-02 12:23:44 +0100 |
|---|---|---|
| committer | Tudor Ambarus <tudor.ambarus@microchip.com> | 2019-11-07 07:18:28 +0100 |
| commit | b24eaf5f23754cbfc80f3077440acaafc9551290 (patch) | |
| tree | f4d00be74a48259b71b7348396ba4f796bea4b76 /drivers/mtd | |
| parent | mtd: spi-nor: Check all the bits written, not just the BP ones (diff) | |
| download | linux-b24eaf5f23754cbfc80f3077440acaafc9551290.tar.xz linux-b24eaf5f23754cbfc80f3077440acaafc9551290.zip | |
mtd: spi-nor: Print debug message when the read back test fails
Demystify where the EIO error occurs.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/spi-nor/spi-nor.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 4616eb4422a3..9960e09136ce 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; } /** |