diff options
| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2008-10-15 22:02:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-16 11:21:38 -0700 |
| commit | 2bec19feabd53cba75e9dab0e79afbe868a37113 (patch) | |
| tree | 93b6b506c025e7ecb1e66218d56920d3521f60c3 | |
| parent | f1f640a9c1d97a1a131879ab1efe3766443904d7 (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>
| -rw-r--r-- | drivers/spi/orion_spi.c | 5 | ||||
| -rw-r--r-- | include/linux/spi/orion_spi.h | 1 |
2 files changed, 6 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; diff --git a/include/linux/spi/orion_spi.h b/include/linux/spi/orion_spi.h index b4d9fa6f797..decf6d8c77b 100644 --- a/include/linux/spi/orion_spi.h +++ b/include/linux/spi/orion_spi.h @@ -11,6 +11,7 @@ struct orion_spi_info { u32 tclk; /* no <linux/clk.h> support yet */ + u32 enable_clock_fix; }; |