Subject: [PATCH 4/4] [POWERPC][SPI] spi_mpc83xx: fix LSB mode shifts

From: Anton Vorontsov <[email-masked]>
Date: Thu, 26 Jul 2007 17:14:31 +0400

spi_mpc83xx should use other shifts when running in QE+LSB mode.

Signed-off-by: Anton Vorontsov <[email-masked]>
---
 drivers/spi/spi_mpc83xx.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c
index 7e17c8b..458075a 100644
--- a/drivers/spi/spi_mpc83xx.c
+++ b/drivers/spi/spi_mpc83xx.c
@@ -237,6 +237,14 @@ int mpc83xx_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
 	} else
 		return -EINVAL;
 
+	if (mpc83xx_spi->qe_mode && spi->mode & SPI_LSB_FIRST) {
+		mpc83xx_spi->tx_shift = 0;
+		if (bits_per_word <= 8)
+			mpc83xx_spi->rx_shift = 8;
+		else
+			mpc83xx_spi->rx_shift = 0;
+	}
+
 	/* nsecs = (clock period)/2 */
 	if (!hz)
 		hz = spi->max_speed_hz;
-- 
1.5.0.6