linux-kernel - [PATCH 16/23] mtd: spi-nor: Fix errno on quad

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Date:   Tue, 17 Sep 2019 15:55:32 +0000
From:   <Tudor.Ambarus@...rochip.com>
To:     <vigneshr@...com>, <boris.brezillon@...labora.com>,
        <marek.vasut@...il.com>, <miquel.raynal@...tlin.com>,
        <richard@....at>, <linux-mtd@...ts.infradead.org>
CC:     <dwmw2@...radead.org>, <computersforpeace@...il.com>,
        <joel@....id.au>, <andrew@...id.au>, <matthias.bgg@...il.com>,
        <vz@...ia.com>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-aspeed@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <Tudor.Ambarus@...rochip.com>
Subject: [PATCH 16/23] mtd: spi-nor: Fix errno on quad_enable methods

From: Tudor Ambarus <tudor.ambarus@...rochip.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@...rochip.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 20d32b7db268..303a7bcf3423 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)
 
 	if (!(nor->bouncebuf[0] & SR_QUAD_EN_MX)) {
 		dev_err(nor->dev, "Macronix Quad bit not set\n");
-		return -EINVAL;
+		return -EIO;
 	}
 
 	return 0;
@@ -1940,7 +1940,7 @@ static int spansion_read_cr_quad_enable(struct spi_nor *nor)
 
 	if (!(sr_cr[1] & CR_QUAD_EN_SPAN)) {
 		dev_err(nor->dev, "Spansion Quad bit not set\n");
-		return -EINVAL;
+		return -EIO;
 	}
 
 	return 0;
@@ -1985,7 +1985,7 @@ static int sr2_bit7_quad_enable(struct spi_nor *nor)
 
 	if (!(*sr2 & SR2_QUAD_EN_BIT7)) {
 		dev_err(nor->dev, "SR2 Quad bit not set\n");
-		return -EINVAL;
+		return -EIO;
 	}
 
 	return 0;
-- 
2.9.5