linux-kernel - Re: [PATCH 04/10] mfd: cros_ec: Tweak struct cros_ec

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Date:	Tue, 17 Jun 2014 21:16:47 -0700
From:	Doug Anderson <dianders@...omium.org>
To:	Simon Glass <sjg@...omium.org>
Cc:	Lee Jones <lee.jones@...aro.org>,
	Andrew Bresticker <abrestic@...omium.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Olof Johansson <olof@...om.net>,
	Sonny Rao <sonnyrao@...omium.org>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Bill Richardson <wfrichar@...omium.org>,
	Wolfram Sang <wsa@...-dreams.de>,
	Mark Brown <broonie@...nel.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	lk <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 04/10] mfd: cros_ec: Tweak struct cros_ec_device for clarity

Simon,

On Tue, Jun 17, 2014 at 8:35 PM, Simon Glass <sjg@...omium.org> wrote:
> Hi Doug,
>
> On 16 June 2014 14:39, Doug Anderson <dianders@...omium.org> wrote:
>> From: Bill Richardson <wfrichar@...omium.org>
>>
>> The members of struct cros_ec_device were improperly commented, and
>> intermixed the private and public sections. This is just cleanup to make it
>> more obvious what goes with what.
>>
>> [dianders: left lock in the structure but gave it the name that will
>> eventually be used.]
>>
>> Signed-off-by: Bill Richardson <wfrichar@...omium.org>
>> Signed-off-by: Doug Anderson <dianders@...omium.org>
>> ---
>>  drivers/mfd/cros_ec.c       |  2 +-
>>  drivers/mfd/cros_ec_i2c.c   |  4 +--
>>  drivers/mfd/cros_ec_spi.c   | 10 +++----
>>  include/linux/mfd/cros_ec.h | 65 ++++++++++++++++++++++++---------------------
>>  4 files changed, 43 insertions(+), 38 deletions(-)
>>
>> diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c
>> index bd6f936..a9eede5 100644
>> --- a/drivers/mfd/cros_ec.c
>> +++ b/drivers/mfd/cros_ec.c
>> @@ -57,7 +57,7 @@ static int cros_ec_command_sendrecv(struct cros_ec_device *ec_dev,
>>         msg.in_buf = in_buf;
>>         msg.in_len = in_len;
>>
>> -       return ec_dev->command_xfer(ec_dev, &msg);
>> +       return ec_dev->cmd_xfer(ec_dev, &msg);
>
> Why do this rename? It makes it different from the other members.

All I know of the history of this change is at
<http://crosreview.com/57061>.  My best guess is that Bill was trying
to differentiate public vs. private function pointers.  Perhaps he
will chime in.

If it helps the other command_xxx() function pointers are removed in
the later "mfd: cros_ec: cleanup: Remove EC wrapper functions"

If you wish I can skip this rename, just let me know and it won't be
too much trouble.

-Doug
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