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Message-ID: <20230801131235.10ad334a@bootlin.com>
Date: Tue, 1 Aug 2023 13:12:35 +0200
From: Herve Codina <herve.codina@...tlin.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Qiang Zhao <qiang.zhao@....com>, Li Yang <leoyang.li@....com>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Shengjiu Wang <shengjiu.wang@...il.com>,
Xiubo Li <Xiubo.Lee@...il.com>,
Fabio Estevam <festevam@...il.com>,
Nicolin Chen <nicoleotsuka@...il.com>,
Christophe Leroy <christophe.leroy@...roup.eu>,
Randy Dunlap <rdunlap@...radead.org>, netdev@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, alsa-devel@...a-project.org,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v2 23/28] net: wan: framer: Add support for the Lantiq
PEF2256 framer
On Tue, 1 Aug 2023 12:52:29 +0200
Andrew Lunn <andrew@...n.ch> wrote:
> > > > +static void pef2256_isr_default_handler(struct pef2256 *pef2256, u8 nbr, u8 isr)
> > > > +{
> > > > + dev_warn(pef2256->dev, "ISR%u: 0x%02x not handled\n", nbr, isr);
> > > > +}
> > >
> > > Should this be rate limited? It is going to be very noise if it gets
> > > called once per frame time.
> >
> > This function should not be called.
> > It is wired on some interrupts and these interrupts should not be triggered.
> > It they fired, something was wrong.
> >
> > I would prefer to keep this dev_warn() to keep the user informed about the
> > problem.
>
> I would definitely keep it, but rate limit it. dev_warn_ratelimited().
>
> Andrew
Ok, will be changed to dev_warn_ratelimited().
Hervé
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