[PATCH V6 04/10] dmaengine: qcom_hidma: configure DMA and MSI for OF

From: Sinan Kaya
Date: Wed Oct 19 2016 - 13:52:22 EST


Configure the DMA bindings for the device tree based firmware.

Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx>
---
drivers/dma/qcom/hidma_mgmt.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/qcom/hidma_mgmt.c b/drivers/dma/qcom/hidma_mgmt.c
index 82f36e4..185d29c 100644
--- a/drivers/dma/qcom/hidma_mgmt.c
+++ b/drivers/dma/qcom/hidma_mgmt.c
@@ -375,8 +375,15 @@ static int __init hidma_mgmt_of_populate_channels(struct device_node *np)
ret = PTR_ERR(new_pdev);
goto out;
}
+ of_node_get(child);
+ new_pdev->dev.of_node = child;
of_dma_configure(&new_pdev->dev, child);
-
+ /*
+ * It is assumed that calling of_msi_configure is safe on
+ * platforms with or without MSI support.
+ */
+ of_msi_configure(&new_pdev->dev, child);
+ of_node_put(child);
kfree(res);
res = NULL;
}
--
1.9.1