linux-kernel - Re: [PATCH v7 5/5] counter: 104-quad-8: Add IRQ support for the ACCES 104-QUAD-8

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Date:   Wed, 30 Dec 2020 11:36:45 -0600
From:   David Lechner <david@...hnology.com>
To:     William Breathitt Gray <vilhelm.gray@...il.com>, jic23@...nel.org
Cc:     kernel@...gutronix.de, linux-stm32@...md-mailman.stormreply.com,
        a.fatoum@...gutronix.de, kamel.bouhara@...tlin.com,
        gwendal@...omium.org, alexandre.belloni@...tlin.com,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, syednwaris@...il.com,
        patrick.havelange@...ensium.com, fabrice.gasnier@...com,
        mcoquelin.stm32@...il.com, alexandre.torgue@...com
Subject: Re: [PATCH v7 5/5] counter: 104-quad-8: Add IRQ support for the ACCES
 104-QUAD-8

On 12/25/20 6:15 PM, William Breathitt Gray wrote:

> diff --git a/Documentation/ABI/testing/sysfs-bus-counter-104-quad-8 b/Documentation/ABI/testing/sysfs-bus-counter-104-quad-8
> index eac32180c40d..0ecba24d43aa 100644
> --- a/Documentation/ABI/testing/sysfs-bus-counter-104-quad-8
> +++ b/Documentation/ABI/testing/sysfs-bus-counter-104-quad-8
> @@ -1,3 +1,28 @@
> +What:		/sys/bus/counter/devices/counterX/countY/irq_trigger

Do we really need this sysfs attribute? Shouldn't interrupts be configured
_only_ by the chrdev interface?