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orion_spi: handle 88F6183 erratum

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Add support to orion_spi for the 88F6183 ARM SoC by adding code to work
around a 6183-specific erratum.

Signed-off-by: Lennert Buytenhek <[email protected]>
Signed-off-by: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Lennert Buytenhek 2008-10-15 22:02:44 -07:00 • committed by Linus Torvalds
commit 2bec19feab
2 changed files with 6 additions and 0 deletions
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5
drivers/spi/orion_spi.c
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@ -364,6 +364,11 @@ static int orion_spi_setup(struct spi_device *spi)
return -EINVAL;
}
/* Fix ac timing if required. */
if (orion_spi->spi_info->enable_clock_fix)
orion_spi_setbits(orion_spi, ORION_SPI_IF_CONFIG_REG,
(1 << 14));
if (spi->bits_per_word == 0)
spi->bits_per_word = 8;