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From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: Mark Brown <broonie@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Maxime Ripard <maxime.ripard@free-electrons.com>,
	linux-kernel@vger.kernel.org, rjendra@qti.qualcomm.com
Subject: Re: [PATCH v1 3/3] nvmem: core: fix regmap accessor usage
Date: Thu, 14 Apr 2016 17:48:37 +0100	[thread overview]
Message-ID: <570FC9E5.2050209@linaro.org> (raw)
In-Reply-To: <20160414151815.GG18024@sirena.org.uk>



On 14/04/16 16:18, Mark Brown wrote:
> On Thu, Apr 14, 2016 at 01:35:03PM +0100, Srinivas Kandagatla wrote:
>
>> I totally agree that there is an abstraction failure here in both sides. It
>> should be fixed. moving to using bulk apis would solve the nvmem problem for
>> now. But for long term, using regmap should be totally removed from nvmem
>> and directly use the reg read/write callbacks from nvmem providers, This
>> would be much robust solution. This was indeed Maxime's first proposal. I
>> will try to fix it up and see how it looks without regmap.
>
> OK, so just replacing all the _raw_ calls with _bulk_ for now?  If
> you're doing that watch out for the fact that the reads come back native
> endian which might upset things.
Yep, that would confuse users. I think its better I do a long term 
solution of regmap replacement with callbacks before someone else starts 
reporting issues.

--srini
>

      reply	other threads:[~2016-04-14 16:48 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-13 17:39 [PATCH v1 0/3] nvmem: core: fix regmap accessor usage Srinivas Kandagatla
2016-04-13 17:39 ` [PATCH v1 1/3] regmap: add regmap_can_raw_read() api Srinivas Kandagatla
2016-04-14  5:58   ` Mark Brown
2016-04-13 17:39 ` [PATCH v1 2/3] regmap: add dummy regmap_can_raw_write() to header Srinivas Kandagatla
2016-04-14  6:45   ` Mark Brown
2016-04-13 17:39 ` [PATCH v1 3/3] nvmem: core: fix regmap accessor usage Srinivas Kandagatla
2016-04-14  6:42   ` Mark Brown
2016-04-14 12:35     ` Srinivas Kandagatla
2016-04-14 15:18       ` Mark Brown
2016-04-14 16:48         ` Srinivas Kandagatla [this message]

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