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From: Wolfram Sang <wsa@the-dreams.de>
To: Ulrich Hecht <uli@fpond.eu>
Cc: Ulrich Hecht <uli+renesas@fpond.eu>,
	linux-renesas-soc@vger.kernel.org, geert@linux-m68k.org,
	linux-i2c@vger.kernel.org
Subject: Re: [PATCH] i2c: rcar: implement atomic transfers
Date: Fri, 19 Feb 2021 13:01:42 +0100	[thread overview]
Message-ID: <20210219120142.GA32306@ninjato> (raw)
In-Reply-To: <1817984199.148366.1613664221431@webmail.strato.com>

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On Thu, Feb 18, 2021 at 05:03:41PM +0100, Ulrich Hecht wrote:
> 
> > On 02/18/2021 11:49 AM Wolfram Sang <wsa@the-dreams.de> wrote:
> > > Implements atomic transfers. Tested by rebooting an r8a7790 Lager board
> > > after connecting the i2c-rcar controller to the PMIC in
> > > arch/arm/boot/dts/r8a7790-lager.dts like so:
> > > 
> > > 		compatible = "i2c-demux-pinctrl";
> > > 		pinctrl-names = "default";
> > > 		pinctrl-0 = <&pmic_irq_pins>;
> > > -		i2c-parent = <&iic3>, <&i2c3>;
> > > +		i2c-parent = <&i2c3>, <&iic3>;
> > > 		i2c-bus-name = "i2c-pwr";
> > > 		#address-cells = <1>;
> > > 		#size-cells = <0>;
> > > 
> > > Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
> > 
> > Doesn't apply against 5.11 or i2c/for-next. What is the base here?
> 
> renesas-drivers-2021-02-09-v5.11-rc7

Ok, now it applies, good. Testing went also fine, works nicely.

From a maintaining perspective, I think, though, we should have only one
master_xfer() function and use 'atomic_xfer' in there to skip stuff etc.
Otherwise fixes in one function might be forgotten in the other one. Or?


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  reply	other threads:[~2021-02-19 12:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-12 16:45 [PATCH] i2c: rcar: implement atomic transfers Ulrich Hecht
2021-02-18 10:49 ` Wolfram Sang
2021-02-18 16:03   ` Ulrich Hecht
2021-02-19 12:01     ` Wolfram Sang [this message]
2021-02-22  9:13       ` Ulrich Hecht
2021-02-25  9:50 ` Geert Uytterhoeven
2021-03-18 10:59 ` Wolfram Sang

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