Messages in this thread | | | Subject | Re: [RFC PATCH v2 2/6] i2c: allow DT nodes without 'compatible' | From | Luca Ceresoli <> | Date | Fri, 10 Apr 2020 15:49:33 +0200 |
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Hi,
On 18/03/20 16:00, Wolfram Sang wrote: > Sometimes, we have unknown devices in a system and still want to block > their address. For that, we allow DT nodes with only a 'reg' property. > These devices will be bound to the "dummy" driver but with the name > "reserved". That way, we can distinguish them and even hand them over to > the "dummy" driver later when they are really requested using > i2c_new_ancillary_device(). > > Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> > Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> > Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
As I said in the reply to v1, I think we should reserve addresses also when there is a compatible string but no matching driver, but this is another story and can be handled separately.
-- Luca
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