summaryrefslogtreecommitdiffstats
path: root/drivers/spi/spi_mpc83xx.c
diff options
context:
space:
mode:
authorAnton Vorontsov <avorontsov@ru.mvista.com>2007-07-31 00:38:41 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-31 15:39:39 -0700
commit20ba09b979f7e1de790968a9175c6caceda00261 (patch)
tree1fbc7a8892a7385a37f858af592fb84fa134017e /drivers/spi/spi_mpc83xx.c
parent49bb23006b220c11bcf4e1d3eb99c289e6ab855e (diff)
spi_mpc83xx: get rid of magic numbers
Magic-numbers-R-Evil 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>
Diffstat (limited to 'drivers/spi/spi_mpc83xx.c')
-rw-r--r--drivers/spi/spi_mpc83xx.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c
index 0b99fd9f517..e2d8dbc15c8 100644
--- a/drivers/spi/spi_mpc83xx.c
+++ b/drivers/spi/spi_mpc83xx.c
@@ -153,7 +153,8 @@ static void mpc83xx_spi_chipselect(struct spi_device *spi, int value)
len = len - 1;
/* mask out bits we are going to set */
- regval &= ~0x38ff0000;
+ regval &= ~(SPMODE_CP_BEGIN_EDGECLK | SPMODE_CI_INACTIVEHIGH |
+ SPMODE_LEN(0xF) | SPMODE_DIV16 | SPMODE_PM(0xF));
if (spi->mode & SPI_CPHA)
regval |= SPMODE_CP_BEGIN_EDGECLK;
@@ -248,7 +249,7 @@ int mpc83xx_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
regval = mpc83xx_spi_read_reg(&mpc83xx_spi->base->mode);
/* Mask out bits_per_wordgth */
- regval &= 0xff0fffff;
+ regval &= ~SPMODE_LEN(0xF);
regval |= SPMODE_LEN(bits_per_word);
/* Turn off SPI unit prior changing mode */