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| author | Anton Vorontsov <avorontsov@ru.mvista.com> | 2008-01-24 18:40:03 +0300 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2008-01-28 08:32:57 -0600 |
| commit | 59a0ea5091d309fa8338954b84cf5307dbd83ec9 (patch) | |
| tree | c1e1f43de7cdfa3ddde7d8f445eac008b08c60de /drivers/spi/spi_mpc83xx.c | |
| parent | d0a2f82da949283027a7da6a8b2a70ada46e7b55 (diff) | |
| download | blackbird-op-linux-59a0ea5091d309fa8338954b84cf5307dbd83ec9.tar.gz blackbird-op-linux-59a0ea5091d309fa8338954b84cf5307dbd83ec9.zip | |
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>
Diffstat (limited to 'drivers/spi/spi_mpc83xx.c')
| -rw-r--r-- | drivers/spi/spi_mpc83xx.c | 6 |
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; |
