diff options
author | Vinod Koul <vinod.koul@linux.intel.com> | 2011-10-13 21:04:23 +0400 |
---|---|---|
committer | Vinod Koul <vinod.koul@linux.intel.com> | 2011-10-27 19:23:43 +0400 |
commit | db8196df4bb6f117caa163aa73b0f16fd62290bd (patch) | |
tree | b86531031482037d9b31ad57479f2f7091020957 /drivers/dma/at_hdmac.c | |
parent | 49920bc66984a512f4bcc7735a61642cd0e4d6f2 (diff) | |
download | linux-db8196df4bb6f117caa163aa73b0f16fd62290bd.tar.xz |
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 'drivers/dma/at_hdmac.c')
-rw-r--r-- | drivers/dma/at_hdmac.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index fcfa0a8b5c59..7e76574e83ec 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -660,7 +660,7 @@ err_desc_get: */ static struct dma_async_tx_descriptor * atc_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 at_dma_chan *atchan = to_at_dma_chan(chan); @@ -678,7 +678,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, dev_vdbg(chan2dev(chan), "prep_slave_sg (%d): %s f0x%lx\n", sg_len, - direction == DMA_TO_DEVICE ? "TO DEVICE" : "FROM DEVICE", + direction == DMA_MEM_TO_DEV ? "TO DEVICE" : "FROM DEVICE", flags); if (unlikely(!atslave || !sg_len)) { @@ -692,7 +692,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, ctrlb = ATC_IEN; switch (direction) { - case DMA_TO_DEVICE: + case DMA_MEM_TO_DEV: ctrla |= ATC_DST_WIDTH(reg_width); ctrlb |= ATC_DST_ADDR_MODE_FIXED | ATC_SRC_ADDR_MODE_INCR @@ -725,7 +725,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, total_len += len; } break; - case DMA_FROM_DEVICE: + case DMA_DEV_TO_MEM: ctrla |= ATC_SRC_WIDTH(reg_width); ctrlb |= ATC_DST_ADDR_MODE_INCR | ATC_SRC_ADDR_MODE_FIXED @@ -787,7 +787,7 @@ err_desc_get: */ static int atc_dma_cyclic_check_values(unsigned int reg_width, dma_addr_t buf_addr, - size_t period_len, enum dma_data_direction direction) + size_t period_len, enum dma_transfer_direction direction) { if (period_len > (ATC_BTSIZE_MAX << reg_width)) goto err_out; @@ -795,7 +795,7 @@ atc_dma_cyclic_check_values(unsigned int reg_width, dma_addr_t buf_addr, goto err_out; if (unlikely(buf_addr & ((1 << reg_width) - 1))) goto err_out; - if (unlikely(!(direction & (DMA_TO_DEVICE | DMA_FROM_DEVICE)))) + if (unlikely(!(direction & (DMA_DEV_TO_MEM | DMA_MEM_TO_DEV)))) goto err_out; return 0; @@ -810,7 +810,7 @@ err_out: static int atc_dma_cyclic_fill_desc(struct at_dma_slave *atslave, struct at_desc *desc, unsigned int period_index, dma_addr_t buf_addr, - size_t period_len, enum dma_data_direction direction) + size_t period_len, enum dma_transfer_direction direction) { u32 ctrla; unsigned int reg_width = atslave->reg_width; @@ -822,7 +822,7 @@ atc_dma_cyclic_fill_desc(struct at_dma_slave *atslave, struct at_desc *desc, | period_len >> reg_width; switch (direction) { - case DMA_TO_DEVICE: + case DMA_MEM_TO_DEV: desc->lli.saddr = buf_addr + (period_len * period_index); desc->lli.daddr = atslave->tx_reg; desc->lli.ctrla = ctrla; @@ -833,7 +833,7 @@ atc_dma_cyclic_fill_desc(struct at_dma_slave *atslave, struct at_desc *desc, | ATC_DIF(AT_DMA_PER_IF); break; - case DMA_FROM_DEVICE: + case DMA_DEV_TO_MEM: desc->lli.saddr = atslave->rx_reg; desc->lli.daddr = buf_addr + (period_len * period_index); desc->lli.ctrla = ctrla; @@ -861,7 +861,7 @@ atc_dma_cyclic_fill_desc(struct at_dma_slave *atslave, struct at_desc *desc, */ static struct dma_async_tx_descriptor * atc_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, - size_t period_len, enum dma_data_direction direction) + size_t period_len, enum dma_transfer_direction direction) { struct at_dma_chan *atchan = to_at_dma_chan(chan); struct at_dma_slave *atslave = chan->private; @@ -872,7 +872,7 @@ atc_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, unsigned int i; dev_vdbg(chan2dev(chan), "prep_dma_cyclic: %s buf@0x%08x - %d (%d/%d)\n", - direction == DMA_TO_DEVICE ? "TO DEVICE" : "FROM DEVICE", + direction == DMA_MEM_TO_DEV ? "TO DEVICE" : "FROM DEVICE", buf_addr, periods, buf_len, period_len); |