[v3,06/13] spi: atmel-quadspi: return appropriate error code

Commit Message

Tudor Ambarus Feb. 2, 2019, 4:07 a.m. UTC

From: Tudor Ambarus <[e-mail]>

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

Signed-off-by: Tudor Ambarus <[e-mail]>
Reviewed-by: Boris Brezillon <[e-mail]>
---
v3: no change
v2: collect R-b

 drivers/spi/atmel-quadspi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch

diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c
index dbc2c65abc86..80b77eb4ec5e 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;
 
-	return -1;
+	return -ENOTSUPP;
 }
 
 static bool atmel_qspi_supports_op(struct spi_mem *mem,
@@ -236,7 +236,7 @@  static int atmel_qspi_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)
 
 	mode = atmel_qspi_find_mode(op);
 	if (mode < 0)
-		return -ENOTSUPP;
+		return mode;
 
 	ifr |= sama5d2_qspi_modes[mode].config;