Since PHYS_PFN_OFFSET is not defined for all architectures, it is
requried to wrap it with ifdef so that it can be built on all
architectures.
Signed-off-by: Paul Kocialkowski <cont...@paulk.fr>
---
drivers/staging/media/sunxi/cedrus/cedrus_hw.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_hw.c
b/drivers/staging/media/sunxi/cedrus/cedrus_hw.c
index f4307e8f7908..32adbcbe6175 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_hw.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_hw.c
@@ -199,8 +199,13 @@ int cedrus_hw_probe(struct cedrus_dev *dev)
/*
* The VPU is only able to handle bus addresses so we have to subtract
* the RAM offset to the physcal addresses.
+ *
+ * This information will eventually be obtained from device-tree.
*/
+
+#ifdef PHYS_PFN_OFFSET
dev->dev->dma_pfn_offset = PHYS_PFN_OFFSET;
+#endif
ret = of_reserved_mem_device_init(dev->dev);
if (ret && ret != -ENODEV) {
--
2.18.0
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