[PATCH 6/7 v7] bus/fsl-mc: set coherent dma mask for devices on fsl-mc bus
From: Nipun Gupta <hidden>
Date: 2018-09-10 13:50:57
Also in:
linux-devicetree, linux-iommu, linux-pci, linuxppc-dev, lkml
Subsystem:
qoriq dpaa2 fsl-mc bus driver, the rest · Maintainers:
Ioana Ciornei, Linus Torvalds
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 <redacted> Reviewed-by: Robin Murphy <robin.murphy@arm.com> --- drivers/bus/fsl-mc/fsl-mc-bus.c | 1 + 1 file changed, 1 insertion(+)
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)); }
--
1.9.1