From: Simon Horman <horms@verge.net.au>
To: Wolfram Sang <wsa@the-dreams.de>
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>,
linux-i2c@vger.kernel.org, Tero Kristo <t-kristo@ti.com>,
Phil Reid <preid@electromag.com.au>,
Tony Lindgren <tony@atomide.com>, Keerthy <j-keerthy@ti.com>,
linux-kernel@vger.kernel.org,
Russell King <linux@armlinux.org.uk>,
linux-renesas-soc@vger.kernel.org, linux-omap@vger.kernel.org,
linux-tegra@vger.kernel.org,
Stefan Lengfeld <contact@stefanchrist.eu>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Peter Rosin <peda@axentia.se>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [RFC PATCH v2 3/7] i2c: core: introduce callbacks for atomic transfers
Date: Fri, 29 Mar 2019 10:45:19 +0100 [thread overview]
Message-ID: <20190329094519.nc2qwpcja3k4e5il@verge.net.au> (raw)
In-Reply-To: <20190327134751.GD5345@kunai>
Hi Wolfram,
On Wed, Mar 27, 2019 at 02:47:51PM +0100, Wolfram Sang wrote:
> Hi Simon,
>
> please delete unrelated text. I nearly missed the typo fix later.
Ack, will do.
> > > - 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?
Good point. I am concerned about the presence of a case which
causes a logging storm.
...
next prev parent reply other threads:[~2019-03-29 9:45 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-02 13:47 [RFC PATCH v2 0/7] i2c: core: introduce atomic transfers Wolfram Sang
2019-03-02 13:47 ` [RFC PATCH v2 1/7] i2c: apply coding style for struct i2c_adapter Wolfram Sang
2019-03-15 12:15 ` Simon Horman
2019-03-27 13:15 ` Wolfram Sang
2019-03-02 13:47 ` [RFC PATCH v2 2/7] i2c: core: use I2C locking behaviour also for SMBUS Wolfram Sang
2019-03-04 12:35 ` Geert Uytterhoeven
2019-03-15 12:17 ` Simon Horman
2019-03-02 13:47 ` [RFC PATCH v2 3/7] i2c: core: introduce callbacks for atomic transfers Wolfram Sang
2019-03-15 12:23 ` Simon Horman
2019-03-27 13:47 ` Wolfram Sang
2019-03-29 9:45 ` Simon Horman [this message]
2019-03-02 13:47 ` [RFC PATCH v2 4/7] i2c: demux: WIP: handle the new atomic callbacks Wolfram Sang
2019-03-15 12:32 ` Simon Horman
2019-03-02 13:47 ` [RFC PATCH v2 5/7] i2c: busses: omap: Add the master_xfer_irqless hook Wolfram Sang
2019-03-15 12:47 ` Simon Horman
2019-03-15 13:14 ` Andy Shevchenko
2019-03-27 13:50 ` Wolfram Sang
2019-03-29 9:45 ` Simon Horman
2019-03-02 13:47 ` [RFC PATCH v2 6/7] i2c: tegra-bpmp: convert to use new atomic callbacks Wolfram Sang
2019-03-04 12:25 ` Timo Alho
2019-03-04 12:59 ` Thierry Reding
2019-03-15 12:42 ` Simon Horman
2019-03-26 20:20 ` Stefan Lengfeld
2019-03-27 13:51 ` Wolfram Sang
2019-03-02 13:47 ` [RFC PATCH v2 7/7] i2c: algo: bit: HACK! add atomic callback Wolfram Sang
2019-03-02 16:22 ` [RFC PATCH v2 0/7] i2c: core: introduce atomic transfers Andy Shevchenko
2019-03-12 15:45 ` Wolfram Sang
2019-03-25 13:40 ` Wolfram Sang
2019-03-04 18:11 ` Peter Rosin
2019-03-04 22:48 ` Wolfram Sang
2019-03-07 0:02 ` Peter Rosin
2019-03-27 13:53 ` Wolfram Sang
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