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From:   <Tudor.Ambarus@microchip.com>
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Subject: [PATCH v2 06/10] spi: atmel-quadspi: return appropriate error code
Thread-Topic: [PATCH v2 06/10] spi: atmel-quadspi: return appropriate error
 code
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Date:   Thu, 31 Jan 2019 16:15:41 +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>
Reviewed-by: Boris Brezillon <bbrezillon@kernel.org>
---
v2: collect R-b

 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 2db935488270..1f7cf5d2953a 100644
--- a/drivers/spi/atmel-quadspi.c
+++ b/drivers/spi/atmel-quadspi.c
@@ -198,7 +198,7 @@ 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,
@@ -234,7 +234,7 @@ 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