[PATCH v3 2/2] clocksource/drivers/renesas-ostm: Unconditionally enable reprobe support

[Geert Uytterhoeven]

On Tue, 6 May 2025 at 12:32, Prabhakar <prabhakar.csengg at gmail.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
>
> Previously, the OSTM driver's platform probe path was only enabled for
> selected SoCs (e.g., RZ/G2L and RZ/V2H) due to issues on RZ/Ax (ARM32)
> SoCs, which encountered IRQ conflicts like:
>
>     /soc/timer at e803b000: used for clock events
>     genirq: Flags mismatch irq 16. 00215201 (timer at e803c000) vs. 00215201 (timer at e803c000)
>     Failed to request irq 16 for /soc/timer at e803c000
>     renesas_ostm e803c000.timer: probe with driver renesas_ostm failed with error -16
>
> These issues have since been resolved by commit 37385c0772a4
> ("clocksource/drivers/renesas-ostm: Avoid reprobe after successful early
> probe"), which prevents reprobe on successfully initialized early timers.
>
> With this fix in place, there is no longer a need to restrict platform
> probing based on SoC-specific configs. This change unconditionally enables
> reprobe support for all SoCs, simplifying the logic and avoiding the need
> to update the configuration for every new Renesas SoC with OSTM.
>
> RZ/A1 and RZ/A2 remain unaffected with this change.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
> ---
> v2->v3:
> - Dropped config check and unconditionally enabled reprobe support for all
>   SoCs.
> - Dropped Reviewed-by tag from Geert

Reviewed-by: Geert Uytterhoeven <geert+renesas at glider.be>

Boots fine on RSK+RZA1 and RZA2MEVB.

Tested-by: Geert Uytterhoeven <geert+renesas at glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds