linux-kernel - Re: [RFC PATCH v2 3/7] i2c: core: introduce callbacks for atomic transfers

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Message-ID: <20190327134751.GD5345@kunai>
Date:   Wed, 27 Mar 2019 14:47:51 +0100
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Simon Horman <horms@...ge.net.au>
Cc:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-i2c@...r.kernel.org, Tero Kristo <t-kristo@...com>,
        Phil Reid <preid@...ctromag.com.au>,
        Tony Lindgren <tony@...mide.com>, Keerthy <j-keerthy@...com>,
        linux-kernel@...r.kernel.org, Russell King <linux@...linux.org.uk>,
        linux-renesas-soc@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-tegra@...r.kernel.org,
        Stefan Lengfeld <contact@...fanchrist.eu>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Peter Rosin <peda@...ntia.se>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [RFC PATCH v2 3/7] i2c: core: introduce callbacks for atomic
 transfers

Hi Simon,

please delete unrelated text. I nearly missed the typo fix later.

> > -	if (in_atomic() || irqs_disabled())
> > +	if (in_atomic() || irqs_disabled()) {
> > +		WARN(!adap->algo->master_xfer_atomic && !adap->algo->smbus_xfer_atomic,
> > +		     "No atomic I2C transfer handler for '%s'\n", dev_name(&adap->dev));
> 
> 		Is WARN_ONCE more appropriate here?

Why? It could be multiple adapters or clients causing this?

> > + * The return codes from the @master_xfer{_atomic} field should indicate the
> 
> I think "field" should be "fields" in the new text.

Fixed, thanks!

Regards,

   Wolfram


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