Messages in this thread Patch in this message | | | From | Paul Kocialkowski <> | Subject | [PATCH v2 3/4] media: cedrus: Wrap PHYS_PFN_OFFSET with ifdef and add dedicated comment | Date | Sun, 9 Sep 2018 21:10:14 +0200 |
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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 <contact@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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