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[2/5] arm64: dts: renesas: rzg2lc-smarc-som: Drop enabling WDT2

Message ID 20221009230044.10961-3-prabhakar.mahadev-lad.rj@bp.renesas.com (mailing list archive)
State Accepted
Delegated to: Geert Uytterhoeven
Headers show
Series arm64: dts: renesas: rzg2l/rzg2lc/rzg2ul/rzv2l: Drop WDT2 | expand

Commit Message

Lad, Prabhakar Oct. 9, 2022, 11 p.m. UTC 
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

WDT CH2 is specifically to check the operation of Cortex-M33 CPU and if
used from CA55 CPU would result in an unexpected behaviour. Hence drop
enabling WDT2.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi | 5 -----
 1 file changed, 5 deletions(-)

Comments

Wolfram Sang Oct. 10, 2022, 6:53 a.m. UTC | #1 
On Mon, Oct 10, 2022 at 12:00:41AM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> 
> WDT CH2 is specifically to check the operation of Cortex-M33 CPU and if
> used from CA55 CPU would result in an unexpected behaviour. Hence drop
> enabling WDT2.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Geert Uytterhoeven Oct. 11, 2022, 8:13 a.m. UTC | #2 
On Mon, Oct 10, 2022 at 1:01 AM 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 and if
> used from CA55 CPU would result in an unexpected behaviour. Hence drop
> enabling WDT2.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v6.2.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@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
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
index 78e6e2376b01..8a0d56872de7 100644
--- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
@@ -276,8 +276,3 @@  &wdt1 {
 	status = "okay";
 	timeout-sec = <60>;
 };
-
-&wdt2 {
-	status = "okay";
-	timeout-sec = <60>;
-};