On Mon, Dec 4, 2017 at 7:14 PM, Frank Rowand <frowand.list@xxxxxxxxx> wrote: > Hi Alan, > > In the RFC thread "of: Add whitelist", I did not understand the use case and > asked you some questions (30 Nov 2017 07:46:36 -0500), that you seem to have > overlooked (or my mail server failed to deliver your answer to me). Can you > please answer that question so I can better understand this patch set is > needed for. Hi Frank, Sorry I missed those, I've replied to the original questions now. Alan > > Thanks, > > Frank > > > On 12/04/17 14:13, Alan Tull wrote: >> Restrict which nodes are valid targets for a DT overlay. >> >> Add a flag bit to struct device_node allowing nodes to be marked as >> valid target for overlays. >> >> A driver that is always intended to handle DT overlays can >> enable overlays by calling a function for its DT node. >> >> For individual nodes that need to be opened up for a specific use, >> adding the property "overlay-allowed" enables overlays targeting >> that node. I'll need to document the DT property, not sure where >> specifically. New file bindings/overlay.txt? >> >> This patchset differs from the RFC: >> * Added a flag bit and got rid of the whitelist >> * Renamed the functions that enable a node >> * Added a DT property >> >> Alan Tull (2): >> of: overlay: add flag enabling overlays and enable fpga-region >> overlays >> of: dynamic: add overlay-allowed DT property >> >> drivers/fpga/of-fpga-region.c | 4 ++++ >> drivers/of/base.c | 4 ++-- >> drivers/of/dynamic.c | 3 +++ >> drivers/of/fdt.c | 3 +++ >> drivers/of/of_private.h | 2 ++ >> drivers/of/overlay.c | 26 ++++++++++++++++++++++++++ >> include/linux/of.h | 19 +++++++++++++++++++ >> 7 files changed, 59 insertions(+), 2 deletions(-) >> > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
