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From:   <Tudor.Ambarus@microchip.com>
To:     <broonie@kernel.org>, <Nicolas.Ferre@microchip.com>,
        <alexandre.belloni@bootlin.com>, <Ludovic.Desroches@microchip.com>
CC:     <linux-spi@vger.kernel.org>,
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        <linux-kernel@vger.kernel.org>, <linux-mtd@lists.infradead.org>,
        <Tudor.Ambarus@microchip.com>
Subject: [PATCH 5/9] spi: atmel-quadspi: return appropriate error code
Thread-Topic: [PATCH 5/9] spi: atmel-quadspi: return appropriate error code
Thread-Index: AQHUuK2tLf54vHcEj0qIhNwqgM2FvQ==
Date:   Wed, 30 Jan 2019 15:08:38 +0000
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From: Tudor Ambarus <tudor.ambarus@microchip.com>

Return -ENOTSUPP when atmel_qspi_find_mode() fails. Propagate
the error in atmel_qspi_exec_op().

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
---
 drivers/spi/atmel-quadspi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c
index 3643f0c851b0..e6de6e3d1345 100644
--- a/drivers/spi/atmel-quadspi.c
+++ b/drivers/spi/atmel-quadspi.c
@@ -208,7 +208,7 @@ static int atmel_qspi_find_mode(const struct spi_mem_op=
 *op)
 		if (atmel_qspi_is_compatible(op, &sama5d2_qspi_modes[i]))
 			return i;
=20
-	return -1;
+	return -ENOTSUPP;
 }
=20
 static bool atmel_qspi_supports_op(struct spi_mem *mem,
@@ -239,7 +239,7 @@ static int atmel_qspi_exec_op(struct spi_mem *mem, cons=
t struct spi_mem_op *op)
=20
 	mode =3D atmel_qspi_find_mode(op);
 	if (mode < 0)
-		return -ENOTSUPP;
+		return mode;
=20
 	ifr |=3D sama5d2_qspi_modes[mode].config;
=20
--=20
2.9.5