[v4,06/13] spi: atmel-quadspi: return appropriate error code

Commit Message

Tudor Ambarus Feb. 4, 2019, 10:09 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]>
---
v4: no change
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 be7f87fd5ac7..06c31830d07b 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,
@@ -238,7 +238,7 @@  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;