This patch registers the pl330 dma controller driver with the generic
device tree dma helper functions.

Signed-off-by: Padmavathi Venna <[email protected]>
---
 drivers/dma/pl330.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 6196cc0..ddf4dd0 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -3004,6 +3004,14 @@ pl330_probe(struct amba_device *adev, const struct 
amba_id *id)
                pi->pcfg.data_bus_width / 8, pi->pcfg.num_chan,
                pi->pcfg.num_peri, pi->pcfg.num_events);
 
+       ret = of_dma_controller_register(adev->dev.of_node,
+                                        of_dma_pl330_xlate, pdmac);
+       if (ret) {
+               dev_err(&adev->dev,
+               "unable to register DMA to the generic DT DMA helpers\n");
+               goto probe_err2;
+       }
+
        return 0;
 
 probe_err4:
@@ -3030,6 +3038,8 @@ static int pl330_remove(struct amba_device *adev)
        if (!pdmac)
                return 0;
 
+       of_dma_controller_free(adev->dev.of_node);
+
        amba_set_drvdata(adev, NULL);
 
        /* Idle the DMAC */
-- 
1.7.4.4

_______________________________________________
devicetree-discuss mailing list
[email protected]
https://lists.ozlabs.org/listinfo/devicetree-discuss

Reply via email to