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spi_mpc83xx: get rid of magic numbers

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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>
This commit is contained in:
Anton Vorontsov 2007-07-31 00:38:41 -07:00 committed by Linus Torvalds
parent 49bb23006b
commit 20ba09b979
1 changed files with 3 additions and 2 deletions
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5
drivers/spi/spi_mpc83xx.c
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@ -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 */