linux-kernel - Re: [PATCH 1/3] iio: core: Add devm_ APIs for iio_channel

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Date:	Sat, 16 Apr 2016 21:12:51 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	Jonathan Cameron <jic23@...nel.org>,
	Daniel Baluta <daniel.baluta@...il.com>
CC:	Jonathan Corbet <corbet@....net>, Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald-Stadler <pmeerw@...erw.net>,
	<linux-doc@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>
Subject: Re: [PATCH 1/3] iio: core: Add devm_ APIs for iio_channel_{get,release}


On Saturday 16 April 2016 06:55 PM, Jonathan Cameron wrote:
> On 10/04/16 18:35, Laxman Dewangan wrote:
>>
>> Yaah, possibly race for very small time possible.
>>
>> The limitation of devm_ api usage is that, we can keep using this
>> till we have devm_ api continuous and if some resource are not there
>> for devm_ then we can not use further. Possibly, I need to wait for
>> the devm_iio_channel_get() to merge and available for all subsystem
>> to use (next release) and then only I can use
>> devm_thermal_zone_of_sensor_register().
>>
> The alternative would be to merge this devm_ support as a prerequisite for your thermal
> patches and have it go through that tree.  As it's self contained I have
> no particular problem with that if you'd prefer to do it that way.
>
> Otherwise, you will need to do as you say above (not use
> devm_thermal_zone_of_sensor_register) to make sure it isn't broken in the meantime.
>
>

I have recycled patch of thermal driver to not use devm_ for sensor 
registration.

I will post another patch in future once these changes will be available 
for all, most probably next release.

I think there is no further comment now on the series so you can 
consider for next step.

Thanks,
Laxman