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| author | Brian Niebuhr <bniebuhr@efjohnson.com> | 2010-10-06 17:03:10 +0530 |
|---|---|---|
| committer | Sekhar Nori <nsekhar@ti.com> | 2010-11-18 18:38:36 +0530 |
| commit | 87467bd9052725283b9a9f4b1b310fed8744fb1e (patch) | |
| tree | 522a1d71933440af2b16072bbf95a138dd08392e /arch/arm/mach-davinci/include/mach/spi.h | |
| parent | 6dbd29b27bd2627ba0025a6cff14381e69512cdf (diff) | |
| download | lwn-87467bd9052725283b9a9f4b1b310fed8744fb1e.tar.gz lwn-87467bd9052725283b9a9f4b1b310fed8744fb1e.zip | |
spi: davinci: let DMA operation be specified on per-device basis
Let DMA operation be specified on a per-device basis instead
of selecting it once during probe.
A side effect of this is the need to combine the PIO and DMA buffer
txrx_bufs routine. This is good since they anyway share some common
functionality.
Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com>
Tested-By: Michael Williamson <michael.williamson@criticallink.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Diffstat (limited to 'arch/arm/mach-davinci/include/mach/spi.h')
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/spi.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/include/mach/spi.h b/arch/arm/mach-davinci/include/mach/spi.h index f7586a03678c..b3ab7d04943a 100644 --- a/arch/arm/mach-davinci/include/mach/spi.h +++ b/arch/arm/mach-davinci/include/mach/spi.h @@ -41,6 +41,7 @@ struct davinci_spi_config { u8 parity_enable; #define SPI_IO_TYPE_INTR 0 #define SPI_IO_TYPE_POLL 1 +#define SPI_IO_TYPE_DMA 2 u8 io_type; u8 timer_disable; u8 c2tdelay; |