dma_set_mask_and_coherent only updates the mask to which the device
dma_mask pointer points to. Add a dma_mask to the channel ctx and set
the device dma_mask to point to that, otherwise the dma_set_mask will
return an error and the dma_set_coherent_mask will be skipped too.
Co-developed-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
---
drivers/misc/fastrpc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index b9d9bfad93f6..31fb1e9e3e47 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -278,6 +278,7 @@ struct fastrpc_channel_ctx {
struct list_head invoke_interrupted_mmaps;
bool secure;
bool unsigned_support;
+ u64 dma_mask;
};
struct fastrpc_device {
@@ -2302,6 +2303,7 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
kref_init(&data->refcount);
dev_set_drvdata(&rpdev->dev, data);
+ rdev->dma_mask = &data->dma_mask;
dma_set_mask_and_coherent(rdev, DMA_BIT_MASK(32));
INIT_LIST_HEAD(&data->users);
INIT_LIST_HEAD(&data->invoke_interrupted_mmaps);
--
2.34.1
