On Tue, Mar 6, 2018 at 3:32 AM, James Hogan <jho...@kernel.org> wrote: > On Mon, Sep 18, 2017 at 07:32:40PM +0530, PrasannaKumar Muralidharan wrote: >> Add RNG node to jz4780 dtsi. This driver uses registers that are part of >> the register set used by Ingenic CGU driver. Use regmap in RNG driver to >> access its register. Create 'simple-bus' node, make CGU and RNG node as >> child of it so that both the nodes are visible without changing CGU >> driver code.
The goal should be to avoid changing the DT (because the h/w hasn't changed), not avoid changing a driver. >> >> Signed-off-by: PrasannaKumar Muralidharan <prasannatsmku...@gmail.com> > > Better late than never: > Acked-by: James Hogan <jho...@kernel.org> > > (I presume its okay for the reg ranges to overlap, ISTR that being an > issue a few years ago, but maybe thats fixed now). No, that should be avoided. It does work because we have existing cases that have to be supported. > > Cheers > James