diff options
Diffstat (limited to 'drivers/dma/sirf-dma.c')
-rw-r--r-- | drivers/dma/sirf-dma.c | 59 |
1 files changed, 16 insertions, 43 deletions
diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c index 3492a5f91d31..d0086e9f2082 100644 --- a/drivers/dma/sirf-dma.c +++ b/drivers/dma/sirf-dma.c @@ -281,9 +281,10 @@ static dma_cookie_t sirfsoc_dma_tx_submit(struct dma_async_tx_descriptor *txd) return cookie; } -static int sirfsoc_dma_slave_config(struct sirfsoc_dma_chan *schan, - struct dma_slave_config *config) +static int sirfsoc_dma_slave_config(struct dma_chan *chan, + struct dma_slave_config *config) { + struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan); unsigned long flags; if ((config->src_addr_width != DMA_SLAVE_BUSWIDTH_4_BYTES) || @@ -297,8 +298,9 @@ static int sirfsoc_dma_slave_config(struct sirfsoc_dma_chan *schan, return 0; } -static int sirfsoc_dma_terminate_all(struct sirfsoc_dma_chan *schan) +static int sirfsoc_dma_terminate_all(struct dma_chan *chan) { + struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan); struct sirfsoc_dma *sdma = dma_chan_to_sirfsoc_dma(&schan->chan); int cid = schan->chan.chan_id; unsigned long flags; @@ -327,8 +329,9 @@ static int sirfsoc_dma_terminate_all(struct sirfsoc_dma_chan *schan) return 0; } -static int sirfsoc_dma_pause_chan(struct sirfsoc_dma_chan *schan) +static int sirfsoc_dma_pause_chan(struct dma_chan *chan) { + struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan); struct sirfsoc_dma *sdma = dma_chan_to_sirfsoc_dma(&schan->chan); int cid = schan->chan.chan_id; unsigned long flags; @@ -348,8 +351,9 @@ static int sirfsoc_dma_pause_chan(struct sirfsoc_dma_chan *schan) return 0; } -static int sirfsoc_dma_resume_chan(struct sirfsoc_dma_chan *schan) +static int sirfsoc_dma_resume_chan(struct dma_chan *chan) { + struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan); struct sirfsoc_dma *sdma = dma_chan_to_sirfsoc_dma(&schan->chan); int cid = schan->chan.chan_id; unsigned long flags; @@ -369,30 +373,6 @@ static int sirfsoc_dma_resume_chan(struct sirfsoc_dma_chan *schan) return 0; } -static int sirfsoc_dma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, - unsigned long arg) -{ - struct dma_slave_config *config; - struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan); - - switch (cmd) { - case DMA_PAUSE: - return sirfsoc_dma_pause_chan(schan); - case DMA_RESUME: - return sirfsoc_dma_resume_chan(schan); - case DMA_TERMINATE_ALL: - return sirfsoc_dma_terminate_all(schan); - case DMA_SLAVE_CONFIG: - config = (struct dma_slave_config *)arg; - return sirfsoc_dma_slave_config(schan, config); - - default: - break; - } - - return -ENOSYS; -} - /* Alloc channel resources */ static int sirfsoc_dma_alloc_chan_resources(struct dma_chan *chan) { @@ -648,18 +628,6 @@ EXPORT_SYMBOL(sirfsoc_dma_filter_id); BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) | \ BIT(DMA_SLAVE_BUSWIDTH_8_BYTES)) -static int sirfsoc_dma_device_slave_caps(struct dma_chan *dchan, - struct dma_slave_caps *caps) -{ - caps->src_addr_widths = SIRFSOC_DMA_BUSWIDTHS; - caps->dstn_addr_widths = SIRFSOC_DMA_BUSWIDTHS; - caps->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); - caps->cmd_pause = true; - caps->cmd_terminate = true; - - return 0; -} - static struct dma_chan *of_dma_sirfsoc_xlate(struct of_phandle_args *dma_spec, struct of_dma *ofdma) { @@ -739,11 +707,16 @@ static int sirfsoc_dma_probe(struct platform_device *op) dma->device_alloc_chan_resources = sirfsoc_dma_alloc_chan_resources; dma->device_free_chan_resources = sirfsoc_dma_free_chan_resources; dma->device_issue_pending = sirfsoc_dma_issue_pending; - dma->device_control = sirfsoc_dma_control; + dma->device_config = sirfsoc_dma_slave_config; + dma->device_pause = sirfsoc_dma_pause_chan; + dma->device_resume = sirfsoc_dma_resume_chan; + dma->device_terminate_all = sirfsoc_dma_terminate_all; dma->device_tx_status = sirfsoc_dma_tx_status; dma->device_prep_interleaved_dma = sirfsoc_dma_prep_interleaved; dma->device_prep_dma_cyclic = sirfsoc_dma_prep_cyclic; - dma->device_slave_caps = sirfsoc_dma_device_slave_caps; + dma->src_addr_widths = SIRFSOC_DMA_BUSWIDTHS; + dma->dst_addr_widths = SIRFSOC_DMA_BUSWIDTHS; + dma->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); INIT_LIST_HEAD(&dma->channels); dma_cap_set(DMA_SLAVE, dma->cap_mask); |