linux-kernel - Re: [PATCH] ARM: multi_v7_defconfig: Enable panic and disk LED triggers

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Date:   Thu, 2 May 2019 22:13:55 +0530
From:   Amit Kucheria <amit.kucheria@...aro.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     linux@...linux.org.uk,
        Lists LAKML <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH] ARM: multi_v7_defconfig: Enable panic and disk LED triggers

On Thu, May 2, 2019 at 4:33 PM Manivannan Sadhasivam
<manivannan.sadhasivam@...aro.org> wrote:
>
> Most development boards and devices have one or more LEDs. It is
> useful during debugging if they can be wired to show different
> behaviours such as disk or cpu activity or a load-average dependent
> heartbeat. Enable panic and disk activity triggers so they can be tied
> to LED activity during debugging as well.
>
> There was a similar patch which added these triggers for ARM64 as well:
> https://patchwork.kernel.org/patch/10042681/
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Reviewed-by: Amit Kucheria <amit.kucheria@...aro.org>

> ---
>  arch/arm/configs/multi_v7_defconfig | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
> index 2e9fa5312616..466ccc305a05 100644
> --- a/arch/arm/configs/multi_v7_defconfig
> +++ b/arch/arm/configs/multi_v7_defconfig
> @@ -821,6 +821,8 @@ CONFIG_LEDS_TRIGGER_GPIO=y
>  CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
>  CONFIG_LEDS_TRIGGER_TRANSIENT=y
>  CONFIG_LEDS_TRIGGER_CAMERA=y
> +CONFIG_LEDS_TRIGGER_PANIC=y
> +CONFIG_LEDS_TRIGGER_DISK=y
>  CONFIG_EDAC=y
>  CONFIG_EDAC_HIGHBANK_MC=y
>  CONFIG_EDAC_HIGHBANK_L2=y
> --
> 2.17.1
>