Re: [PATCH mvebu + mvebu/dt64 4/4] arm64: dts: marvell: armada-37xx: move firmware node to generic dtsi file

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On Monday 15 March 2021 13:08:16 Andrew Lunn wrote:
> On Mon, Mar 15, 2021 at 11:14:54AM +0100, Pali Rohár wrote:
> > On Friday 12 March 2021 16:53:32 Andrew Lunn wrote:
> > > > So theoretically the turris-mox-rwtm driver can be renamed into
> > > > something else and we can add a different compatible in order not to
> > > > sound so turris-mox specific.
> > > 
> > > That would be a good idea. And if possible, try to push the hardware
> > > random number code upstream in the firmware repos, so everybody gets
> > > it by default, not just those using your build. Who is responsible for
> > > upstream? Marvell?
> > > 
> > > 	  Andrew
> > 
> > Hello Andrew!
> > 
> > I do not think that renaming driver is the best option. For future it
> > would complicate backporting patches to stable kernel and also it would
> > make usage of 'gitk' harder as this tool cannot automatically track file
> > renames.
> 
> Hi Pali
> 
> I'm not suggesting renaming the .c file.
> 
> What would be good is to add additional compatible strings. Add a more
> generic compatible. What goes into the .dtsi should use the generic
> name. Also, the node names should also be generic, since the node name
> is probably not used anywhere, just the compatible string. Keep the
> current compatible in the driver, for backwards compatibility with
> older DT blobs.

Ok! What about compatible string "marvell,armada-3700-rwtm-firmware"?

Mailbox layer which is used by this driver has compatible string
"marvell,armada-3700-rwtm-mailbox", so name is similar.



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