diff options
| author | Maxime Ripard <maxime@cerno.tech> | 2020-11-06 15:55:05 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2020-11-18 09:01:30 +0100 |
| commit | 13dd871011503e038a551e09ae004ae0da496a4c (patch) | |
| tree | e772cce756b7118801671d5047c5f320eda285c9 /drivers/media | |
| parent | drm/sun4i: backend: Remove the MBUS quirks (diff) | |
| download | linux-13dd871011503e038a551e09ae004ae0da496a4c.tar.xz linux-13dd871011503e038a551e09ae004ae0da496a4c.zip | |
media: sun4i: Remove the MBUS quirks
Now that the MBUS quirks are applied by our global notifier, we can
remove them from our CSI driver for the A10.
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c index eb15c8c725ca..ec46cff80fdb 100644 --- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c +++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c @@ -167,33 +167,6 @@ static int sun4i_csi_probe(struct platform_device *pdev) if (!csi->traits) return -EINVAL; - /* - * On Allwinner SoCs, some high memory bandwidth devices do DMA - * directly over the memory bus (called MBUS), instead of the - * system bus. The memory bus has a different addressing scheme - * without the DRAM starting offset. - * - * In some cases this can be described by an interconnect in - * the device tree. In other cases where the hardware is not - * fully understood and the interconnect is left out of the - * device tree, fall back to a default offset. - */ - if (of_find_property(csi->dev->of_node, "interconnects", NULL)) { - ret = of_dma_configure(csi->dev, csi->dev->of_node, true); - if (ret) - return ret; - } else { - /* - * XXX(hch): this has no business in a driver and needs to move - * to the device tree. - */ -#ifdef PHYS_PFN_OFFSET - ret = dma_direct_set_offset(csi->dev, PHYS_OFFSET, 0, SZ_4G); - if (ret) - return ret; -#endif - } - csi->mdev.dev = csi->dev; strscpy(csi->mdev.model, "Allwinner Video Capture Device", sizeof(csi->mdev.model)); |