orion_spi: fix handling of default transfer speed

Accept zero (the default!) as a per-transfer clock speed override.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/spi/orion_spi.c b/drivers/spi/orion_spi.c
index c4eaacd..b872bfa 100644 (file)
--- a/drivers/spi/orion_spi.c
+++ b/drivers/spi/orion_spi.c
@@ -427,7 +427,7 @@ static int orion_spi_transfer(struct spi_device *spi, struct spi_message *m)
                        goto msg_rejected;
                }
 
-               if (t->speed_hz < orion_spi->min_speed) {
+               if (t->speed_hz && t->speed_hz < orion_spi->min_speed) {
                        dev_err(&spi->dev,
                                "message rejected : "
                                "device min speed (%d Hz) exceeds "