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Subject[PATCH v4 12/20] mtd: spi-nor: Print debug message when the read back test fails
Date
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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