spi_mpc83xx: use brg-frequency for SPI in QE

In case of QE we can use brg-frequency (which is qeclk/2).
Thus no need to divide sysclk in the spi_mpc83xx.

This patch also adds code to use get_brgfreq() on QE chips.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c
index 4580b9cf625d..04f7cd9fc261 100644
--- a/drivers/spi/spi_mpc83xx.c
+++ b/drivers/spi/spi_mpc83xx.c
@@ -436,11 +436,7 @@ static int __init mpc83xx_spi_probe(struct platform_device *dev)
         mpc83xx_spi->qe_mode = pdata->qe_mode;
         mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u8;
         mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u8;
-
-        if (mpc83xx_spi->qe_mode)
-                mpc83xx_spi->spibrg = pdata->sysclk / 2;
-        else
-                mpc83xx_spi->spibrg = pdata->sysclk;
+        mpc83xx_spi->spibrg = pdata->sysclk;
 
         mpc83xx_spi->rx_shift = 0;
         mpc83xx_spi->tx_shift = 0;