diff options
| author | Vinod Koul <vinod.koul@linux.intel.com> | 2011-10-13 22:34:23 +0530 |
|---|---|---|
| committer | Huang Shijie <b32955@freescale.com> | 2012-01-31 15:17:35 +0800 |
| commit | 0ba22d849c616623b85a670359099dbb1963b7cd (patch) | |
| tree | 7896d00358e4d1dc14ca17cd6aff95ca4cd6dfcf /arch/arm/mach-ep93xx | |
| parent | ff76eb9c98fa052be59aebd08e5eb7fe4ce8904d (diff) | |
dmaengine: move drivers to dma_transfer_direction
fixup usage of dma direction by introducing dma_transfer_direction,
this patch moves dma/drivers/* to use new enum
Cc: Jassi Brar <jaswinder.singh@linaro.org>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Viresh Kumar <viresh.kumar@st.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Mika Westerberg <mika.westerberg@iki.fi>
Cc: H Hartley Sweeten <hartleys@visionengravers.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Zhang Wei <zw@zh-kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Shawn Guo <shawn.guo@freescale.com>
Cc: Yong Wang <yong.y.wang@intel.com>
Cc: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Cc: Boojin Kim <boojin.kim@samsung.com>
Cc: Barry Song <Baohua.Song@csr.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'arch/arm/mach-ep93xx')
| -rw-r--r-- | arch/arm/mach-ep93xx/include/mach/dma.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm/mach-ep93xx/include/mach/dma.h b/arch/arm/mach-ep93xx/include/mach/dma.h index 5e31b2b25da9..9be4b2dd5236 100644 --- a/arch/arm/mach-ep93xx/include/mach/dma.h +++ b/arch/arm/mach-ep93xx/include/mach/dma.h @@ -144,6 +144,14 @@ void ep93xx_dma_m2p_submit_recursive(struct ep93xx_dma_m2p_client *m2p, * ignored in software. * */ -void ep93xx_dma_m2p_flush(struct ep93xx_dma_m2p_client *m2p); +static inline enum dma_transfer_direction +ep93xx_dma_chan_direction(struct dma_chan *chan) +{ + if (!ep93xx_dma_chan_is_m2p(chan)) + return DMA_NONE; + + /* even channels are for TX, odd for RX */ + return (chan->chan_id % 2 == 0) ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM; +} #endif /* __ASM_ARCH_DMA_H */ |