The patch titled
spi_mpc83xx: fix QE+LSB mode shifts
has been added to the -mm tree. Its filename is
spi_mpc83xx-fix-qelsb-mode-shifts.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: spi_mpc83xx: fix QE+LSB mode shifts
From: Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>
spi_mpc83xx should use other shifts when running in QE+LSB mode.
Signed-off-by: Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>
Acked-by: Kumar Gala <galak@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/spi/spi_mpc83xx.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff -puN drivers/spi/spi_mpc83xx.c~spi_mpc83xx-fix-qelsb-mode-shifts drivers/spi/spi_mpc83xx.c
--- a/drivers/spi/spi_mpc83xx.c~spi_mpc83xx-fix-qelsb-mode-shifts
+++ a/drivers/spi/spi_mpc83xx.c
@@ -237,6 +237,14 @@ int mpc83xx_spi_setup_transfer(struct sp
} 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;
_
Patches currently in -mm which might be from avorontsov@xxxxxxxxxxxxx are
spi_mpc83xx-turn-off-spi-unit-while-switching-mode.patch
spi_mpc83xx-get-rid-of-magic-numbers.patch
spi_mpc83xx-support-for-lsb-first-transfers.patch
spi_mpc83xx-fix-qelsb-mode-shifts.patch
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