linux-kernel - Re: [PATCH] ASoC: cs35l56: Accept values greater than 0 as IRQ numbers

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Date: Tue, 18 Jun 2024 17:06:01 +0100
From: Richard Fitzgerald <rf@...nsource.cirrus.com>
To: Mark Brown <broonie@...nel.org>
CC: Simon Trimmer <simont@...nsource.cirrus.com>,
        <linux-sound@...r.kernel.org>, <alsa-devel@...a-project.org>,
        <linux-kernel@...r.kernel.org>, <patches@...nsource.cirrus.com>
Subject: Re: [PATCH] ASoC: cs35l56: Accept values greater than 0 as IRQ
 numbers

On 18/06/2024 17:00, Mark Brown wrote:
> On Mon, Jun 17, 2024 at 03:54:04PM +0100, Richard Fitzgerald wrote:
> 
>> So 0 is invalid. Question is: is it also valid to pass -ve errors, or is
>> 0 the _only_ invalid value?
> 
> Negative values should be fine.
In that case this patch is necessary so we reject negative values
as not an IRQ. Otherwise we'll try to request a non-existant IRQ and
fail with an error.