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authorBrian Niebuhr <bniebuhr@efjohnson.com>2010-10-06 13:33:10 +0200
committerSekhar Nori <nsekhar@ti.com>2010-11-18 14:08:36 +0100
commit87467bd9052725283b9a9f4b1b310fed8744fb1e (patch)
tree522a1d71933440af2b16072bbf95a138dd08392e /arch
parentspi: davinci: remove usage of additional completion variables for DMA (diff)
downloadlinux-87467bd9052725283b9a9f4b1b310fed8744fb1e.tar.xz
linux-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')
-rw-r--r--arch/arm/mach-davinci/include/mach/spi.h1
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;