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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: Tero Kristo <t-kristo@ti.com>,
	Phil Reid <preid@electromag.com.au>,
	Tony Lindgren <tony@atomide.com>, Keerthy <j-keerthy@ti.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Russell King <linux@armlinux.org.uk>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	"open list:TI ETHERNET SWITCH DRIVER \(CPSW\)"
	<linux-omap@vger.kernel.org>,
	Linux I2C <linux-i2c@vger.kernel.org>,
	linux-tegra <linux-tegra@vger.kernel.org>,
	Stefan Lengfeld <contact@stefanchrist.eu>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Peter Rosin <peda@axentia.se>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [RFC PATCH v2 2/7] i2c: core: use I2C locking behaviour also for SMBUS
Date: Mon, 4 Mar 2019 13:35:10 +0100	[thread overview]
Message-ID: <CAMuHMdXPbsoWD3kJKK25=KL1kXsA23o7-7LsayMSoB=so4-zxw@mail.gmail.com> (raw)
In-Reply-To: <20190302134735.4393-3-wsa+renesas@sang-engineering.com>

On Sat, Mar 2, 2019 at 2:49 PM Wolfram Sang
<wsa+renesas@sang-engineering.com> wrote:
> If I2C transfers are executed in atomic contexts, trylock is used
> instead of lock. This behaviour was missing for SMBUS, although a lot of
> transfers are of SMBUS type, either emulated or direct. So, factor out
> the locking routine into a helper and use it for I2C and SMBUS.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> Acked-by: Peter Rosin <peda@axentia.se>
> Acked-by: Tony Lindgren <tony@atomide.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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  reply	other threads:[~2019-03-04 12:35 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 [this message]
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
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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