Re: [PATCH] ARM: dts: omap3-gta04: Drop superfluous omap36xx compatible

From: Andreas Kemnade
Date: Wed Oct 04 2023 - 07:54:59 EST


On Wed, 4 Oct 2023 13:39:03 +0200
"H. Nikolaus Schaller" <hns@xxxxxxxxxxxxx> wrote:

> > Am 04.10.2023 um 13:03 schrieb Andreas Kemnade <andreas@xxxxxxxxxxxx>:
> >
> > On Wed, 4 Oct 2023 12:50:16 +0200
> > "H. Nikolaus Schaller" <hns@xxxxxxxxxxxxx> wrote:
> >
> >> Hi Andreas,
> >>
> >>> Am 04.10.2023 um 08:53 schrieb Andreas Kemnade <andreas@xxxxxxxxxxxx>:
> >>>
> >>> Drop omap36xx compatible as done in other omap3630 devices.
> >>> This has apparently fallen through the lattice.
> >>>
> >>> Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> >>> ---
> >>> arch/arm/boot/dts/ti/omap/omap3-gta04.dtsi | 2 +-
> >>> 1 file changed, 1 insertion(+), 1 deletion(-)
> >>>
> >>> diff --git a/arch/arm/boot/dts/ti/omap/omap3-gta04.dtsi b/arch/arm/boot/dts/ti/omap/omap3-gta04.dtsi
> >>> index b6b27e93857f..3661340009e7 100644
> >>> --- a/arch/arm/boot/dts/ti/omap/omap3-gta04.dtsi
> >>> +++ b/arch/arm/boot/dts/ti/omap/omap3-gta04.dtsi
> >>> @@ -11,7 +11,7 @@
> >>>
> >>> / {
> >>> model = "OMAP3 GTA04";
> >>> - compatible = "goldelico,gta04", "ti,omap3630", "ti,omap36xx", "ti,omap3";
> >>
> >> there seem to be some more references to ti,omap36xx:
> >>
> >> arch/arm/boot/dts/ti/omap/omap3-lilly-a83x.dtsi: compatible = "incostartec,omap3-lilly-a83x", "ti,omap3630", "ti,omap36xx", "ti,omap3";
> >
> > apperently all the dtsi are fallen through the lattice when handling the dts.
> >
> >
> >> arch/arm/mach-omap2/board-generic.c: "ti,omap36xx",
> >> drivers/clk/ti/dpll.c: of_machine_is_compatible("ti,omap36xx")) &&
> >> drivers/cpufreq/ti-cpufreq.c: { .compatible = "ti,omap36xx", .data = &omap36xx_soc_data, },
> >>
> >> So are you sure that we can remove it without replacement or code fixes in dpll and cpufreq (board-generic is probably no issue)?
> >>
> > see discussion of:
> >
> > commit e341f338180c84cd98af3016cf5bcfde45a041fb
> > Author: Andrew Davis <afd@xxxxxx>
> > Date: Thu Feb 16 09:33:38 2023 -0600
> >
> > ARM: dts: omap: Drop ti,omap36xx compatible
>
> Ah, I wasn't aware of this.
>
> >
> > all the places also basically check for omap36xx || omap3630.
>
>
> Yes, I have checked but drivers/cpufreq/ti-cpufreq.c seems to be an
> exception (unless I am missing some other patch).
>
No:
{ .compatible = "ti,omap36xx", .data = &omap36xx_soc_data, },
{ .compatible = "ti,omap3630", .data = &omap36xx_soc_data, },

The bindings also only specify omap3630.

Regards,
Andreas