linux-kernel - Re: [PATCH v5 03/11] nvmem: Add a simple NVMEM framework for nvmem providers

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Date:	Wed, 24 Jun 2015 11:05:46 +0100
From:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:	Stephen Boyd <sboyd@...eaurora.org>,
	linux-arm-kernel@...ts.infradead.org
CC:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Rob Herring <robh+dt@...nel.org>,
	Kumar Gala <galak@...eaurora.org>,
	Mark Brown <broonie@...nel.org>, s.hauer@...gutronix.de,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	arnd@...db.de, pantelis.antoniou@...sulko.com, mporter@...sulko.com
Subject: Re: [PATCH v5 03/11] nvmem: Add a simple NVMEM framework for nvmem
 providers



On 24/06/15 01:24, Stephen Boyd wrote:
> Can you assign the attributes to the device_type in the nvmem::struct
> device? I don't see why these attributes need to be part of the class.
>
I will fix this.
>>> >>
>>>> >>>+{
>>>> >>>+    return class_register(&nvmem_class);
>>> >>
>>> >>I thought class was on the way out? Aren't we supposed to use bus types
>>> >>for new stuff?
>> >Do you remember any conversation on the list about this? I could not
>> >find it on web.
>> >
>> >on the other hand, nvmem is not really a bus, making it a bus type
>> >sounds incorrect to me.
>> >
> I found this post on the cpu class that Sudeep tried to introduce[1].
> And there's this post from Kay that alludes to a unification of busses
> and classes[2]. And some other post where Kay says class is dead [3].
Thanks for the links,
Yep, looks like Class is dead, I will change the code to use bus type 
instead.

>
> [1]https://lkml.org/lkml/2014/8/21/191
> [2]https://lwn.net/Articles/471821/
> [3]https://lkml.org/lkml/2010/11/11/17
--srini
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