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From: Peter Rosin <peda-SamgB31n2u5IcsJQ0EH25Q@public.gmane.org>
To: Vladimir Zapolskiy
	<vladimir_zapolskiy-nmGgyN9QBj3QT0dZR+AlfA@public.gmane.org>
Cc: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>,
	Peter Rosin <peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Ian Campbell
	<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
	Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	Peter Korsgaard
	<peter.korsgaard-ob4gmnvZ1/cAvxtiuMwx3w@public.gmane.org>,
	Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>,
	Jonathan Cameron <jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Hartmut Knaack <knaack.h-Mmb7MZpHnFY@public.gmane.org>,
	Lars-Peter Clausen <lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>,
	Peter Meerwald <pmeerw-jW+XmwGofnusTnJN9+BGXg@public.gmane.org>,
	Antti Palosaari <crope-X3B1VOXEql0@public.gmane.org>,
	Mauro Carvalho Chehab
	<mchehab-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>,
	Frank Rowand
	<frowand.list-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Grant Likely
	<grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Adriana Reus
	<adriana.reus-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Srinivas Pandruvada
	<srinivas.pandruvada-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
	Krzysztof Kozlowski
	<k.kozlowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Hans Verkuil
	<hans.verkuil-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>,
	Nicholas Mc Guire
	<hofrat-Q945KHDl0DbYtjvyW6yDsg@public.gmane.org>Olli Salonen
	<oll>
Subject: Re: [PATCH v2 1/8] i2c-mux: add common core data for every mux instance
Date: Thu, 24 Mar 2016 19:59:37 +0100	[thread overview]
Message-ID: <56F43919.1020501@lysator.liu.se> (raw)
In-Reply-To: <56F3F89F.8000805-nmGgyN9QBj3QT0dZR+AlfA@public.gmane.org>

Hi Vladimir,

On 2016-03-24 15:24, Vladimir Zapolskiy wrote:
> On 24.03.2016 13:05, Peter Rosin wrote:
>> On 2016-03-24 10:50, Vladimir Zapolskiy wrote:
>>> On 05.01.2016 17:57, Peter Rosin wrote:
>>>> @@ -196,21 +195,21 @@ static int i2c_arbitrator_probe(struct platform_device *pdev)
>>>>  		dev_err(dev, "Cannot parse i2c-parent\n");
>>>>  		return -EINVAL;
>>>>  	}
>>>> -	arb->parent = of_get_i2c_adapter_by_node(parent_np);
>>>> +	muxc->parent = of_find_i2c_adapter_by_node(parent_np);
>>>
>>> why do you prefer here to use "unlocked" version of API?
>>>
>>> Foe example would it be safe/possible to unload an I2C bus device driver
>>> module or unbind I2C device itself in runtime?
>>
>> I think you ask why I change from of_get_i2c_... to of_find_i2c_..., and that
>> change was not intentional. It was the result of a bad merge during an early
>> rebase.
>>
>> Does that cover it?
>>
> 
> Yep, thank you for clarification, please account this in v3.

Oh , v3 is old news, v4 was sent out some weeks ago, and there is a v5
on a github branch. This bad rebase was fixed in v4.

> I'll try to find some time to review the whole changeset carefully,
> in fact I briefly reviewed it two months ago, but I didn't find
> anything obviously wrong that time.

Please put that on hold until I have rebased ontop of v4.6-rc1 and
changed a couple of other things. I'd hate for you to waste your
time on outdated patches.

Cheers,
Peter

WARNING: multiple messages have this Message-ID (diff)
From: Peter Rosin <peda@lysator.liu.se>
To: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Cc: Wolfram Sang <wsa@the-dreams.de>, Peter Rosin <peda@axentia.se>,
	Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Kumar Gala <galak@codeaurora.org>,
	Peter Korsgaard <peter.korsgaard@barco.com>,
	Guenter Roeck <linux@roeck-us.net>,
	Jonathan Cameron <jic23@kernel.org>,
	Hartmut Knaack <knaack.h@gmx.de>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Peter Meerwald <pmeerw@pmeerw.net>,
	Antti Palosaari <crope@iki.fi>,
	Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
	Frank Rowand <frowand.list@gmail.com>,
	Grant Likely <grant.likely@linaro.org>,
	Adriana Reus <adriana.reus@intel.com>,
	Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
	Krzysztof Kozlowski <k.kozlowski@samsung.com>,
	Hans Verkuil <hans.verkuil@cisco.com>,
	Nicholas Mc Guire <hofrat@osadl.org>,
	Olli Salonen <olli.salonen@iki.fi>,
	linux-i2c@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org,
	linux-media@vger.kernel.org
Subject: Re: [PATCH v2 1/8] i2c-mux: add common core data for every mux instance
Date: Thu, 24 Mar 2016 19:59:37 +0100	[thread overview]
Message-ID: <56F43919.1020501@lysator.liu.se> (raw)
In-Reply-To: <56F3F89F.8000805@mentor.com>

Hi Vladimir,

On 2016-03-24 15:24, Vladimir Zapolskiy wrote:
> On 24.03.2016 13:05, Peter Rosin wrote:
>> On 2016-03-24 10:50, Vladimir Zapolskiy wrote:
>>> On 05.01.2016 17:57, Peter Rosin wrote:
>>>> @@ -196,21 +195,21 @@ static int i2c_arbitrator_probe(struct platform_device *pdev)
>>>>  		dev_err(dev, "Cannot parse i2c-parent\n");
>>>>  		return -EINVAL;
>>>>  	}
>>>> -	arb->parent = of_get_i2c_adapter_by_node(parent_np);
>>>> +	muxc->parent = of_find_i2c_adapter_by_node(parent_np);
>>>
>>> why do you prefer here to use "unlocked" version of API?
>>>
>>> Foe example would it be safe/possible to unload an I2C bus device driver
>>> module or unbind I2C device itself in runtime?
>>
>> I think you ask why I change from of_get_i2c_... to of_find_i2c_..., and that
>> change was not intentional. It was the result of a bad merge during an early
>> rebase.
>>
>> Does that cover it?
>>
> 
> Yep, thank you for clarification, please account this in v3.

Oh , v3 is old news, v4 was sent out some weeks ago, and there is a v5
on a github branch. This bad rebase was fixed in v4.

> I'll try to find some time to review the whole changeset carefully,
> in fact I briefly reviewed it two months ago, but I didn't find
> anything obviously wrong that time.

Please put that on hold until I have rebased ontop of v4.6-rc1 and
changed a couple of other things. I'd hate for you to waste your
time on outdated patches.

Cheers,
Peter

  parent reply	other threads:[~2016-03-24 18:59 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-05 15:57 [PATCH v2 0/8] i2c mux cleanup and locking update Peter Rosin
2016-01-05 15:57 ` Peter Rosin
2016-01-05 15:57 ` [PATCH v2 2/8] i2c-mux: move select and deselect ops to i2c_mux_core Peter Rosin
2016-01-05 15:57   ` Peter Rosin
2016-01-05 15:57 ` [PATCH v2 3/8] i2c-mux: move the slave side adapter management " Peter Rosin
2016-01-05 15:57   ` Peter Rosin
2016-01-05 16:49   ` kbuild test robot
2016-01-05 16:49     ` kbuild test robot
2016-01-05 19:16     ` Peter Rosin
2016-01-05 19:16       ` Peter Rosin
2016-01-05 22:17   ` Peter Rosin
2016-01-05 22:17     ` Peter Rosin
2016-01-05 15:57 ` [PATCH v2 5/8] i2c-mux: pinctrl: get rid of the driver private struct device pointer Peter Rosin
2016-01-05 15:57   ` Peter Rosin
2016-01-05 15:57 ` [PATCH v2 6/8] i2c: allow adapter drivers to override the adapter locking Peter Rosin
2016-01-05 15:57   ` Peter Rosin
2016-01-05 15:57 ` [PATCH v2 7/8] i2c: muxes always lock the parent adapter Peter Rosin
2016-01-05 15:57   ` Peter Rosin
     [not found] ` <1452009438-27347-1-git-send-email-peda-SamgB31n2u5IcsJQ0EH25Q@public.gmane.org>
2016-01-05 15:57   ` [PATCH v2 1/8] i2c-mux: add common core data for every mux instance Peter Rosin
2016-01-05 15:57     ` Peter Rosin
     [not found]     ` <1452009438-27347-2-git-send-email-peda-SamgB31n2u5IcsJQ0EH25Q@public.gmane.org>
2016-01-05 16:42       ` Guenter Roeck
2016-01-05 16:42         ` Guenter Roeck
2016-01-05 18:55         ` Peter Rosin
2016-01-05 18:55           ` Peter Rosin
2016-03-24  9:50     ` Vladimir Zapolskiy
2016-03-24  9:50       ` Vladimir Zapolskiy
     [not found]       ` <56F3B86E.4050002-nmGgyN9QBj3QT0dZR+AlfA@public.gmane.org>
2016-03-24 11:05         ` Peter Rosin
2016-03-24 11:05           ` Peter Rosin
     [not found]           ` <56F3CA0E.60906-SamgB31n2u5IcsJQ0EH25Q@public.gmane.org>
2016-03-24 14:24             ` Vladimir Zapolskiy
2016-03-24 14:24               ` Vladimir Zapolskiy
     [not found]               ` <56F3F89F.8000805-nmGgyN9QBj3QT0dZR+AlfA@public.gmane.org>
2016-03-24 18:59                 ` Peter Rosin [this message]
2016-03-24 18:59                   ` Peter Rosin
2016-04-11 20:59                   ` Wolfram Sang
2016-04-11 20:59                     ` Wolfram Sang
2016-01-05 15:57   ` [PATCH v2 4/8] i2c-mux: remove the mux dev pointer from the mux per channel data Peter Rosin
2016-01-05 15:57     ` Peter Rosin
2016-01-05 15:57   ` [PATCH v2 8/8] i2c-mux: relax locking of the top i2c adapter during i2c controlled muxing Peter Rosin
2016-01-05 15:57     ` Peter Rosin
2016-01-06 14:49     ` Rob Herring
2016-01-06 14:49       ` Rob Herring
2016-01-07  8:21       ` Peter Rosin
2016-01-07  8:21         ` Peter Rosin
2016-01-05 18:48   ` [PATCH v2 0/8] i2c mux cleanup and locking update Wolfram Sang
2016-01-05 18:48     ` Wolfram Sang
2016-01-05 19:01     ` Peter Rosin
2016-01-05 19:01       ` Peter Rosin
2016-01-06 13:23     ` Crt Mori
2016-01-06 13:23       ` Crt Mori
2016-01-06 17:17 ` Antti Palosaari
2016-01-06 17:17   ` Antti Palosaari
     [not found]   ` <568D4C3D.3000906-X3B1VOXEql0@public.gmane.org>
2016-01-07  8:14     ` Peter Rosin
2016-01-07  8:14       ` Peter Rosin

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