From: Tudor Ambarus <tudor.ambarus@microchip.com>
Date: Sat, 2 Nov 2019 11:23:44 +0000
Subject: mtd: spi-nor: Print debug message when the read back test fails
Git-commit: b24eaf5f23754cbfc80f3077440acaafc9551290
Patch-mainline: v5.5-rc1
References: jsc#SLE-14214 jsc#SLE-16606
Demystify where the EIO error occurs.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.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 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;
}
/**
--
2.28.0