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>
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 9bfd6d3..decca1c 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -696,7 +696,7 @@
static struct dma_async_tx_descriptor *
dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
- unsigned int sg_len, enum dma_data_direction direction,
+ unsigned int sg_len, enum dma_transfer_direction direction,
unsigned long flags)
{
struct dw_dma_chan *dwc = to_dw_dma_chan(chan);
@@ -720,7 +720,7 @@
prev = first = NULL;
switch (direction) {
- case DMA_TO_DEVICE:
+ case DMA_MEM_TO_DEV:
ctllo = (DWC_DEFAULT_CTLLO(chan->private)
| DWC_CTLL_DST_WIDTH(reg_width)
| DWC_CTLL_DST_FIX
@@ -777,7 +777,7 @@
goto slave_sg_todev_fill_desc;
}
break;
- case DMA_FROM_DEVICE:
+ case DMA_DEV_TO_MEM:
ctllo = (DWC_DEFAULT_CTLLO(chan->private)
| DWC_CTLL_SRC_WIDTH(reg_width)
| DWC_CTLL_DST_INC
@@ -1165,7 +1165,7 @@
*/
struct dw_cyclic_desc *dw_dma_cyclic_prep(struct dma_chan *chan,
dma_addr_t buf_addr, size_t buf_len, size_t period_len,
- enum dma_data_direction direction)
+ enum dma_transfer_direction direction)
{
struct dw_dma_chan *dwc = to_dw_dma_chan(chan);
struct dw_cyclic_desc *cdesc;
@@ -1206,7 +1206,7 @@
goto out_err;
if (unlikely(buf_addr & ((1 << reg_width) - 1)))
goto out_err;
- if (unlikely(!(direction & (DMA_TO_DEVICE | DMA_FROM_DEVICE))))
+ if (unlikely(!(direction & (DMA_MEM_TO_DEV | DMA_DEV_TO_MEM))))
goto out_err;
retval = ERR_PTR(-ENOMEM);
@@ -1228,7 +1228,7 @@
goto out_err_desc_get;
switch (direction) {
- case DMA_TO_DEVICE:
+ case DMA_MEM_TO_DEV:
desc->lli.dar = dws->tx_reg;
desc->lli.sar = buf_addr + (period_len * i);
desc->lli.ctllo = (DWC_DEFAULT_CTLLO(chan->private)
@@ -1239,7 +1239,7 @@
| DWC_CTLL_FC(dws->fc)
| DWC_CTLL_INT_EN);
break;
- case DMA_FROM_DEVICE:
+ case DMA_DEV_TO_MEM:
desc->lli.dar = buf_addr + (period_len * i);
desc->lli.sar = dws->rx_reg;
desc->lli.ctllo = (DWC_DEFAULT_CTLLO(chan->private)