public inbox for linux-i2c@vger.kernel.org
 help / color / mirror / Atom feed
From: Stephen Warren <swarren@wwwdotorg.org>
To: Peter Rosin <peda@axentia.se>
Cc: linux-kernel@vger.kernel.org, Wolfram Sang <wsa@the-dreams.de>,
	Stephen Warren <swarren@nvidia.com>,
	linux-i2c@vger.kernel.org
Subject: Re: [PATCH 2/2] i2c: mux: pinctrl: drop the idle_state member
Date: Wed, 2 Aug 2017 16:50:35 -0600	[thread overview]
Message-ID: <ee71d80d-840c-a784-7fc7-a72b7cc2f453@wwwdotorg.org> (raw)
In-Reply-To: <cb3ecc9b-b26f-bb81-5836-ecd459ec3456@axentia.se>

On 08/02/2017 03:25 PM, Peter Rosin wrote:
> On 2017-08-02 21:06, Stephen Warren wrote:
>> On 08/02/2017 01:27 AM, Peter Rosin wrote:
>>> The information is available elsewhere.
>>
>>> diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c
>>
>>>    static int i2c_mux_pinctrl_deselect(struct i2c_mux_core *muxc, u32 chan)
>>>    {
>>> +	return i2c_mux_pinctrl_select(muxc, muxc->num_adapters);
>>>    }
>>
>>> @@ -166,7 +162,7 @@ static int i2c_mux_pinctrl_probe(struct platform_device *pdev)
>>
>>>    	/* Do not add any adapter for the idle state (if it's there at all). */
>>> -	for (i = 0; i < num_names - !!mux->state_idle; i++) {
>>> +	for (i = 0; i < num_names - !!muxc->deselect; i++) {
>>
>> I think that "num_names - !!muxc->deselect" could just be
>> muxc->num_adapters?
> 
> Not really, it's the i2c_mux_add_adapter call in the loop that bumps
> muxc->num_adapters, so the loop would not be entered. Not desirable :-)

Ok, that makes sense.

> (and muxc->max_adapters == num_names)

Well, unless muxc->deselect is true...

  reply	other threads:[~2017-08-02 22:50 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-02  7:27 [PATCH 0/2] i2c: mux: pinctrl: remove platform_data and cleanup Peter Rosin
2017-08-02  7:27 ` [PATCH 1/2] i2c: mux: pinctrl: remove platform_data Peter Rosin
2017-08-02 19:05   ` Stephen Warren
2017-08-02 21:19     ` Peter Rosin
2017-08-12 14:12   ` Wolfram Sang
2017-08-02  7:27 ` [PATCH 2/2] i2c: mux: pinctrl: drop the idle_state member Peter Rosin
2017-08-02 19:06   ` Stephen Warren
2017-08-02 21:25     ` Peter Rosin
2017-08-02 22:50       ` Stephen Warren [this message]
2017-08-03  5:19         ` Peter Rosin
2017-08-03 21:41           ` Stephen Warren
2017-08-15  7:00 ` [PATCH 0/2] i2c: mux: pinctrl: remove platform_data and cleanup Peter Rosin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=ee71d80d-840c-a784-7fc7-a72b7cc2f453@wwwdotorg.org \
    --to=swarren@wwwdotorg.org \
    --cc=linux-i2c@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=peda@axentia.se \
    --cc=swarren@nvidia.com \
    --cc=wsa@the-dreams.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox