From: Wolfram Sang <wsa@the-dreams.de>
To: Peter Rosin <peda@axentia.se>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Linus Walleij <linus.walleij@linaro.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-renesas-soc@vger.kernel.org"
<linux-renesas-soc@vger.kernel.org>,
Wolfram Sang <wsa+renesas@sang-engineering.com>,
"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
Stefan Lengfeld <contact@stefanchrist.eu>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 04/12] i2c: mux: populate the new *_atomic callbacks
Date: Mon, 15 Apr 2019 14:04:41 +0200 [thread overview]
Message-ID: <20190415120441.ka65mytvxsuzul4v@ninjato> (raw)
In-Reply-To: <59d32414-3859-d614-dc41-cc0a1bc63301@axentia.se>
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> I guess the question is if it is allowed to have .master_xfer_atomic
> but not .master_xfer (and similarly for .smbus_xfer{,_atomic})? Maybe
> that decision should be made explicit? And perhaps enforced?
xfer_atomic callbacks are optional. One xfer callback is mandatory. I
did a check for falling back to master_xfer_atomic if there is no
suitable smbus_xfer_atomic. I will think about the vice-versa case you
mentioned. Yet, this is indeed a super corner case, so I prefer to fix
this incrementally.
> I don't care deeply about the above though, so feel free to do
> something about it, or
>
> Reviewed-by: Peter Rosin <peda@axentia.se>
Thanks for the review!
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next prev parent reply other threads:[~2019-04-15 12:05 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-03 12:40 [PATCH 00/12] i2c: core: introduce atomic transfers Wolfram Sang
2019-04-03 12:40 ` [PATCH 01/12] i2c: remove use of in_atomic() Wolfram Sang
2019-04-15 12:40 ` Andy Shevchenko
2019-04-15 21:55 ` Stefan Lengfeld
2019-04-16 10:48 ` Wolfram Sang
2019-04-03 12:40 ` [PATCH 02/12] i2c: core: use I2C locking behaviour also for SMBUS Wolfram Sang
2019-04-15 12:39 ` Andy Shevchenko
2019-04-03 12:40 ` [PATCH 03/12] i2c: core: introduce callbacks for atomic transfers Wolfram Sang
2019-04-15 12:39 ` Andy Shevchenko
2019-04-15 21:57 ` Stefan Lengfeld
2019-04-03 12:40 ` [PATCH 04/12] i2c: mux: populate the new *_atomic callbacks Wolfram Sang
2019-04-03 15:17 ` Peter Rosin
2019-04-15 12:04 ` Wolfram Sang [this message]
2019-04-15 12:44 ` Andy Shevchenko
2019-04-03 12:40 ` [PATCH 05/12] i2c: demux: handle the new atomic callbacks Wolfram Sang
2019-04-15 12:37 ` Andy Shevchenko
2019-04-03 12:40 ` [PATCH 06/12] i2c: omap: Add the master_xfer_irqless hook Wolfram Sang
2019-04-15 22:05 ` Stefan Lengfeld
2019-04-16 10:52 ` Wolfram Sang
2019-04-03 12:40 ` [PATCH 07/12] i2c: tegra-bpmp: convert to use new atomic callbacks Wolfram Sang
2019-04-03 12:40 ` [PATCH 08/12] i2c: ocores: refactor setup for polling Wolfram Sang
2019-04-05 15:09 ` Peter Korsgaard
2019-04-05 19:00 ` Andrew Lunn
2019-04-03 12:40 ` [PATCH 09/12] i2c: ocores: enable atomic xfers Wolfram Sang
2019-04-05 19:20 ` Andrew Lunn
2019-04-03 12:40 ` [PATCH 10/12] i2c: stu300: use xfer_atomic callback to bail out early Wolfram Sang
2019-04-04 15:38 ` Linus Walleij
2019-04-03 12:40 ` [PATCH 11/12] i2c: algo: bit: add flag to whitelist atomic transfers Wolfram Sang
2019-04-03 12:40 ` [PATCH 12/12] i2c: gpio: flag atomic capability if possible Wolfram Sang
2019-04-04 15:40 ` Linus Walleij
2019-04-15 12:38 ` Andy Shevchenko
2019-04-03 13:15 ` [PATCH 00/12] i2c: core: introduce atomic transfers Andy Shevchenko
2019-04-15 12:06 ` Wolfram Sang
2019-04-15 12:35 ` Andy Shevchenko
2019-04-15 12:48 ` Andy Shevchenko
2019-04-15 12:50 ` Wolfram Sang
2019-04-15 12:10 ` Wolfram Sang
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