Subject: Re: [PATCH v2 23/28] net: wan: framer: Add support for the Lantiq PEF2256 framer

From: Herve Codina <[email-masked]>
Date: Tue, 1 Aug 2023 12:44:01 +0200

On Tue, 1 Aug 2023 12:22:39 +0200
Andrew Lunn <[email-masked]> wrote:

> > +static inline u8 pef2256_read8(struct pef2256 *pef2256, int offset)
> > +{
> > +	int val;
> > +
> > +	regmap_read(pef2256->regmap, offset, &val);
> > +	return val;
> > +}
> > +
> > +static inline void pef2256_write8(struct pef2256 *pef2256, int offset, u8 val)
> > +{
> > +	regmap_write(pef2256->regmap, offset, val);
> > +}  
> 
> More cases of inline functions in .C files. Please let the compiler
> decide.

Will be changed.

> 
> > +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.

Regards,
Hervé

-- 
Hervé Codina, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com