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[6/7,v6] bus/fsl-mc: set coherent dma mask for devices on fsl-mc bus

Message ID 1531135103-10699-7-git-send-email-nipun.gupta@nxp.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Nipun Gupta July 9, 2018, 11:18 a.m. UTC 
of_dma_configure() API expects coherent_dma_mask to be correctly
set in the devices. This patch does the needful.

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
---
 drivers/bus/fsl-mc/fsl-mc-bus.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index fa43c7d..624828b 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -627,6 +627,7 @@  int fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc,
 		mc_dev->icid = parent_mc_dev->icid;
 		mc_dev->dma_mask = FSL_MC_DEFAULT_DMA_MASK;
 		mc_dev->dev.dma_mask = &mc_dev->dma_mask;
+		mc_dev->dev.coherent_dma_mask = mc_dev->dma_mask;
 		dev_set_msi_domain(&mc_dev->dev,
 				   dev_get_msi_domain(&parent_mc_dev->dev));
 	}