On Thu, Jun 20, 2024 at 10:30:25AM +0200, Geert Uytterhoeven wrote:
> Hi Marek, Conor,
>
> On Wed, Jun 19, 2024 at 9:17 PM Marek Vasut <marek.vasut@xxxxxxxxxxx> wrote:
> > On 6/19/24 7:48 PM, Conor Dooley wrote:
> > > On Wed, Jun 19, 2024 at 01:22:46PM +0200, Geert Uytterhoeven wrote:
> > >> The clock definitions in <dt-bindings/clock/r8a779?-clock.h> were
> > >> superseded by those in <dt-bindings/clock/r8a779?-cpg-mssr.h> a long
> > >> time ago.
> > >>
> > >> The last DTS user of these files was removed in commit 362b334b17943d84
> > >> ("ARM: dts: r8a7791: Convert to new CPG/MSSR bindings") in v4.15.
> > >> Driver support for the old bindings was removed in commit
> > >> 58256143cff7c2e0 ("clk: renesas: Remove R-Car Gen2 legacy DT clock
> > >> support") in v5.5, so there is no point to keep on carrying these.
> > >>
> > >> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> > >
> > > If U-Boot is not using them,
> > > Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> > > (and if it is, another task for Marek I guess!)
>
> Good point!
>
> U-Boot does have include/dt-bindings/clock/r8a779?-clock.h, despite
> never having used them. The unused headers and the corresponding
> r8a779?.dtsi files were introduced together, in the various "ARM: dts:
> rmobile: Import R8A779[0-4] DTS from Linux 4.15-rc8") commits in U-Boot
> v2018.03, i.e. after the conversion to the CPG/MSSR DT bindings.
>
> > U-Boot is using upstream DTs on R-Car via OF_UPSTREAM, so whatever
> > happens in Linux also happens in U-Boot since 2024.07 ... with slight
> > sync delay . I don't expect much breakage.
>
> So the obsolete headers will be removed automatically from U-Boot
> soon, too?
Not if it is is include/dt-bindings/, only if it is in
dts/upstream/include/dt-bindings AFAIU.
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