From: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx> The VCHIQ driver now loads the audio, camera, codec, and vc-sm drivers as platform drivers. However they were not being given the correct DMA configuration. Call of_dma_configure with the parent (VCHIQ) parameters to be inherited by the child. Signed-off-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx> Signed-off-by: Jacopo Mondi <jacopo@xxxxxxxxxx> --- .../staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index c5c7af28c1c8..15ccd624aaab 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -2733,6 +2733,12 @@ vchiq_register_child(struct platform_device *pdev, const char *name) child = NULL; } + /* + * We want the dma-ranges etc to be copied from the parent VCHIQ device + * to be passed on to the children too. + */ + of_dma_configure(&new_dev->dev, pdev->dev.of_node, true); + return child; } -- Regards, Laurent Pinchart
