[PATCH V2 2/4] DMA: PL330: Register the DMA controller with the generic DMA helpers
Padmavathi Venna
padma.v at samsung.com
Fri Feb 1 07:51:54 EST 2013
This patch registers the pl330 dma controller driver with the generic
device tree dma helper functions.
Signed-off-by: Padmavathi Venna <padma.v at samsung.com>
---
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
More information about the linux-arm-kernel
mailing list