From: Dinh Nguyen <dingu...@opensource.altera.com>
Turn on the clock to the PL330 DMA if there is a clock node provided.
Signed-off-by: Dinh Nguyen <dingu...@opensource.altera.com>
---
drivers/dma/pl330.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 0e1f567..82eb641 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2894,6 +2894,10 @@ pl330_probe(struct amba_device *adev, const struct
amba_id *id)
adev->dev.dma_parms = &pl330->dma_parms;
+ adev->pclk = devm_clk_get(&adev->dev, "apb_pclk");
+ if (adev->pclk)
+ clk_prepare_enable(adev->pclk);
+
/*
* This is the limit for transfers with a buswidth of 1, larger
* buswidths will have larger limits.
--
2.2.1
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