linux-kernel - Re: [PATCH v3 2/2] ASoC: fsl_aud2htx: Add aud2htx module driver

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Date:   Fri, 6 Nov 2020 13:38:58 -0800
From:   Nicolin Chen <nicoleotsuka@...il.com>
To:     Shengjiu Wang <shengjiu.wang@...il.com>
Cc:     Shengjiu Wang <shengjiu.wang@....com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, alsa-devel@...a-project.org,
        Timur Tabi <timur@...nel.org>, Xiubo Li <Xiubo.Lee@...il.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        linuxppc-dev@...ts.ozlabs.org, Takashi Iwai <tiwai@...e.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Fabio Estevam <festevam@...il.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/2] ASoC: fsl_aud2htx: Add aud2htx module driver

On Fri, Nov 06, 2020 at 10:51:03AM +0800, Shengjiu Wang wrote:

> > > +static irqreturn_t fsl_aud2htx_isr(int irq, void *dev_id)
> > > +{
> > > +     return IRQ_HANDLED;
> >
> > Empty isr? Perhaps can drop the request_irq() at all?
> 
> I'd like to keep this for future enhancement, what do you think?

I believe that usually it will be a common practice that we add
when we use it -- exaggerating the situation, just like you will
not actually add an empty driver for future enhancement.

But I am not strongly against it, as it's small. Since Mark has
applied it, let's keep it then.