From: Tudor Ambarus <tudor.ambarus@microchip.com>
Date: Sat, 2 Nov 2019 11:23:44 +0000 (+0000)
Subject: mtd: spi-nor: Print debug message when the read back test fails
X-Git-Tag: v5.5-rc1~196^2~1^2~11
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=b24eaf5f23754cbfc80f3077440acaafc9551290;p=linux.git

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>
---

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;
 }
 
 /**