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From:   <Tudor.Ambarus@microchip.com>
To:     <vigneshr@ti.com>, <boris.brezillon@collabora.com>,
        <marek.vasut@gmail.com>, <linux-mtd@lists.infradead.org>,
        <geert+renesas@glider.be>, <jonas@norrbonn.se>
CC:     <dwmw2@infradead.org>, <computersforpeace@gmail.com>,
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        <linux-mediatek@lists.infradead.org>, <Tudor.Ambarus@microchip.com>
Subject: [PATCH v2 16/22] mtd: spi-nor: Fix errno on quad_enable methods
Thread-Topic: [PATCH v2 16/22] mtd: spi-nor: Fix errno on quad_enable methods
Thread-Index: AQHVcqw22gGmk60ca0uOGGwWABc8zA==
Date:   Tue, 24 Sep 2019 07:46:44 +0000
Message-ID: <20190924074533.6618-17-tudor.ambarus@microchip.com>
References: <20190924074533.6618-1-tudor.ambarus@microchip.com>
In-Reply-To: <20190924074533.6618-1-tudor.ambarus@microchip.com>
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From: Tudor Ambarus <tudor.ambarus@microchip.com>

When the Read-Modify-Write-Read-Back Quad Enable methods failed on
the Read-Back, they returned -EINVAL. Since this is an I/O error,
return -EIO.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
---
 drivers/mtd/spi-nor/spi-nor.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 668afa9a8c87..6429c855547e 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1862,7 +1862,7 @@ static int macronix_quad_enable(struct spi_nor *nor)
=20
 	if (!(nor->bouncebuf[0] & SR_QUAD_EN_MX)) {
 		dev_err(nor->dev, "Macronix Quad bit not set\n");
-		return -EINVAL;
+		return -EIO;
 	}
=20
 	return 0;
@@ -1940,7 +1940,7 @@ static int spansion_read_cr_quad_enable(struct spi_no=
r *nor)
=20
 	if (!(sr_cr[1] & CR_QUAD_EN_SPAN)) {
 		dev_err(nor->dev, "Spansion Quad bit not set\n");
-		return -EINVAL;
+		return -EIO;
 	}
=20
 	return 0;
@@ -1985,7 +1985,7 @@ static int sr2_bit7_quad_enable(struct spi_nor *nor)
=20
 	if (!(*sr2 & SR2_QUAD_EN_BIT7)) {
 		dev_err(nor->dev, "SR2 Quad bit not set\n");
-		return -EINVAL;
+		return -EIO;
 	}
=20
 	return 0;
--=20
2.9.5