Commit 35cc0b97 authored Jul 31, 2007 by Anton Vorontsov Committed by Linus Torvalds Jul 31, 2007

spi_mpc83xx: fix QE+LSB mode shifts



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

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
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>

parent 32421daa

drivers/spi/spi_mpc83xx.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -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;