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authorLennert Buytenhek <buytenh@wantstofly.org>2008-10-15 22:02:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 11:21:38 -0700
commit2bec19feabd53cba75e9dab0e79afbe868a37113 (patch)
tree93b6b506c025e7ecb1e66218d56920d3521f60c3 /drivers
parentf1f640a9c1d97a1a131879ab1efe3766443904d7 (diff)
orion_spi: handle 88F6183 erratum
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 <buytenh@marvell.com> 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')
-rw-r--r--drivers/spi/orion_spi.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/spi/orion_spi.c b/drivers/spi/orion_spi.c
index b872bfaf4bd..014becb7d53 100644
--- a/drivers/spi/orion_spi.c
+++ b/drivers/spi/orion_spi.c
@@ -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;