Messages in this thread | | | From | Biju Das <> | Subject | RE: [PATCH] arm64: dts: renesas: rzg2ul-smarc-som: Drop enabling wdt2 | Date | Mon, 19 Sep 2022 10:15:20 +0000 |
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Hi Geert,
Prabhakar Mahadev Lad <prabhakar.mahadev- > lad.rj@bp.renesas.com> > Subject: Re: [PATCH] arm64: dts: renesas: rzg2ul-smarc-som: Drop > enabling wdt2 > > Hi Biju, > > On Mon, Sep 19, 2022 at 12:06 PM Biju Das <biju.das.jz@bp.renesas.com> > wrote: > > > On Sun, Sep 18, 2022 at 10:04 AM Geert Uytterhoeven <geert@linux- > > > m68k.org> wrote: > > > > On Wed, Sep 14, 2022 at 3:43 PM Prabhakar > > > <prabhakar.csengg@gmail.com> wrote: > > > > > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> > > > > > > > > > > WDT CH2 is specifically to check the operation of Cortex-M33 > CPU > > > so > > > > > don't enable WDT2 by default. > > > > > > > > For consistency I'll drop enabling WDT2 from the RZ/G2L{C} too. > > > > Does remove unused clocks turn off WDT2 clock during late init?? > > > > If that is the case, we should remove entries from clock table as > well? > > Or add it to *_crit_mod_clks[]? > > Note that drivers/clk/renesas/r9a07g043-cpg.c creates wdt2 clocks and > resets, so that should probably be moved inside the #ifdef > CONFIG_ARM64 section.
Yes, both will do, I guess otherwise WDT enabled by Cortex-M33 will be disabled by CORTEX-A55 during boot.
Cheers, Biju
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