[PATCH 2/3] rpmsg: core: make rpmsg bus DMA capable

srinivas.kandagatla at linaro.org srinivas.kandagatla at linaro.org
Fri Mar 2 06:55:30 PST 2018


From: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>

Many of the rpmsg clients like audio drivers need to allocate
dma memory. Make this bus DMA capable so that the child devices
can use dma apis.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
---
 drivers/rpmsg/rpmsg_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index e84c71f8d6ab..540a3f3567b8 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -472,6 +472,7 @@ struct bus_type rpmsg_bus = {
 	.uevent		= rpmsg_uevent,
 	.probe		= rpmsg_dev_probe,
 	.remove		= rpmsg_dev_remove,
+	.force_dma	= true,
 };
 EXPORT_SYMBOL(rpmsg_bus);
 
-- 
2.15.1




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