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@xxxxxx>
Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
---
.../platform/sunxi/sun4i-csi/sun4i_csi.c | 27 -------------------
1 file changed, 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));
--
2.28.0
