dmaengine: sirf: Split device_control

Split the device_control callback of the SiRF Prima 2 DMA driver to make use
of the newly introduced callbacks, that will eventually be used to retrieve
slave capabilities.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 13 insertions, 30 deletions

diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c
index 11c85fc450a1..fab9c9c1b421 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)
 {
@@ -739,7 +719,10 @@ 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;