[PATCH 4/6] SPI omap2_mcspi.c: Use the transfer speed_hz value if provided

[Scott Ellis <scott@jumpnowtek.com>]

omap2_mcspi_setup_transfer() gets called if a transfer has a non-zero
speed_hz value but it is never used in the function to override the
speed. 

This patch enables its use.

Signed-off-by: Scott Ellis <scott@jumpnowtek.com>

 drivers/spi/omap2_mcspi.c |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index 37e6d73..2a93a73 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -580,18 +580,24 @@ static int omap2_mcspi_setup_transfer(struct spi_device *spi,
 	struct spi_master *spi_cntrl;
 	u32 l = 0, div = 0;
 	u8 word_len = spi->bits_per_word;
+	u32 speed_hz = spi->max_speed_hz;
 
 	mcspi = spi_master_get_devdata(spi->master);
 	spi_cntrl = mcspi->master;
 
-	if (t != NULL && t->bits_per_word)
-		word_len = t->bits_per_word;
+	if (t != NULL) {
+		if (t->bits_per_word)
+			word_len = t->bits_per_word;
+
+		if (t->speed_hz)
+			speed_hz = t->speed_hz;
+	}
 
 	cs->word_len = word_len;
 
-	if (spi->max_speed_hz) {
+	if (speed_hz) {
 		while (div <= mcspi->max_clk_div &&
-			(OMAP2_MCSPI_MAX_FREQ/(1 << div)) > spi->max_speed_hz)
+			(OMAP2_MCSPI_MAX_FREQ/(1 << div)) > speed_hz)
 			div++;
 	} else {
 		div = mcspi->max_clk_div;