linux-kernel - Re: [PATCH] genirq/irqdesc: Add state node to show if IRQ is enabled

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Message-ID: <87ee75l5yr.ffs@tglx>
Date:   Wed, 24 Nov 2021 20:16:28 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     linux-kernel@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: Re: [PATCH] genirq/irqdesc: Add state node to show if IRQ is enabled

On Tue, Nov 16 2021 at 12:34, Srinivas Kandagatla wrote:
> While debugging some issues with SoundWire WakeUp interrupt,
> I did not find a way to figure out if the interrupt is really enabled
> or disabled.

You can find this information along with more details when you enable
CONFIG_GENERIC_IRQ_DEBUGFS. Dig into /sys/kernel/debug/irq/

Thanks,

        tglx