dmaengine: Move dma_get_slave_caps() implementation to dmaengine.c

The function is too big to be a static inline.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

2 files changed, 34 insertions, 31 deletions

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 30211f9791b7..f15712f2fec6 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -479,6 +479,39 @@ static void dma_channel_rebalance(void)
                 }
 }
 
+int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps)
+{
+        struct dma_device *device;
+
+        if (!chan || !caps)
+                return -EINVAL;
+
+        device = chan->device;
+
+        /* check if the channel supports slave transactions */
+        if (!test_bit(DMA_SLAVE, device->cap_mask.bits))
+                return -ENXIO;
+
+        /*
+         * Check whether it reports it uses the generic slave
+         * capabilities, if not, that means it doesn't support any
+         * kind of slave capabilities reporting.
+         */
+        if (!device->directions)
+                return -ENXIO;
+
+        caps->src_addr_widths = device->src_addr_widths;
+        caps->dst_addr_widths = device->dst_addr_widths;
+        caps->directions = device->directions;
+        caps->residue_granularity = device->residue_granularity;
+
+        caps->cmd_pause = !!device->device_pause;
+        caps->cmd_terminate = !!device->device_terminate_all;
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(dma_get_slave_caps);
+
 static struct dma_chan *private_candidate(const dma_cap_mask_t *mask,
                                           struct dma_device *dev,
                                           dma_filter_fn fn, void *fn_param)
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 6d34ce91036c..1b4842bb3890 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -758,37 +758,7 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_sg(
                         src_sg, src_nents, flags);
 }
 
-static inline int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps)
-{
-        struct dma_device *device;
-
-        if (!chan || !caps)
-                return -EINVAL;
-
-        device = chan->device;
-
-        /* check if the channel supports slave transactions */
-        if (!test_bit(DMA_SLAVE, device->cap_mask.bits))
-                return -ENXIO;
-
-        /*
-         * Check whether it reports it uses the generic slave
-         * capabilities, if not, that means it doesn't support any
-         * kind of slave capabilities reporting.
-         */
-        if (!device->directions)
-                return -ENXIO;
-
-        caps->src_addr_widths = device->src_addr_widths;
-        caps->dst_addr_widths = device->dst_addr_widths;
-        caps->directions = device->directions;
-        caps->residue_granularity = device->residue_granularity;
-
-        caps->cmd_pause = !!device->device_pause;
-        caps->cmd_terminate = !!device->device_terminate_all;
-
-        return 0;
-}
+int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps);
 
 static inline int dmaengine_terminate_all(struct dma_chan *chan)
 {