[PATCH v1 04/16] arm64: dts: mt8195: Disable watchdog external reset signal
AngeloGioacchino Del Regno
angelogioacchino.delregno at collabora.com
Mon Jul 4 03:30:39 PDT 2022
Il 04/07/22 12:00, Tinghan Shen ha scritto:
> Disable external output reset signal in first round of watchdog reset
> to reserve wdt reset reason for debugging watchdog issue.
If my understanding of the commit decription is right, then we can clarify
that with something like: "[...] for debugging eventual watchdog issues".
Otherwise, if this implies that disable-extrst is needed to avoid losing
the reset reason stored in the WDT, you could say something like:
"Disable external output reset signal in the first round of watchdog reset
to avoid losing the reset reason stored in the watchdog registers"
After which:
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
>
> Signed-off-by: Fengquan Chen <fengquan.chen at mediatek.com>
> Signed-off-by: Tinghan Shen <tinghan.shen at mediatek.com>
> ---
> arch/arm64/boot/dts/mediatek/mt8195.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> index 066c14989708..436687ba826f 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> @@ -327,6 +327,7 @@
> watchdog: watchdog at 10007000 {
> compatible = "mediatek,mt8195-wdt",
> "mediatek,mt6589-wdt";
> + mediatek,disable-extrst;
> reg = <0 0x10007000 0 0x100>;
> };
>
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