From: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
To: Timur Tabi <timur@codeaurora.org>,
"Westerberg, Mika" <mika.westerberg@intel.com>
Cc: Mathias Nyman <mathias.nyman@linux.intel.com>,
Linus <linus.walleij@linaro.org>,
Grant Likely <grant.likely@secretlab.ca>,
lkml <linux-kernel@vger.kernel.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>
Subject: Re: [PATCH v3 1/1] pinctrl: add Intel BayTrail GPIO/pinctrl support
Date: Fri, 25 Apr 2014 18:21:37 +0200 [thread overview]
Message-ID: <535A8B91.6030903@intel.com> (raw)
In-Reply-To: <535A899E.5020801@codeaurora.org>
On 4/25/2014 6:13 PM, Timur Tabi wrote:
> Westerberg, Mika wrote:
>> If you happen to have pin controller/mux driver that drives that
>> hardware,
>> I'm sure your pinmux functions gets called.
>
> Actually, I don't think they do. On a device-tree system, the
> functions get called automatically by the pinctrl layer when it parses
> the device tree. This happens in response to probe, remove, and
> various power management changes.
>
I would be interested in understanding what exactly the flow is in that
situation, so care to educate me? What does the driver do to trigger
this and what exactly does happen in response to that?
Rafael
next prev parent reply other threads:[~2014-04-25 16:21 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-18 11:33 [PATCH v3 0/1] Pinctrl/gpio driver for Intel Baytrail platforms Mathias Nyman
2013-06-18 11:33 ` [PATCH v3 1/1] pinctrl: add Intel BayTrail GPIO/pinctrl support Mathias Nyman
2013-06-18 15:17 ` Linus Walleij
2013-06-19 10:28 ` Mathias Nyman
2014-04-11 22:54 ` Timur Tabi
2014-04-14 7:52 ` Mathias Nyman
2014-04-14 15:11 ` Timur Tabi
2014-04-15 10:01 ` Mathias Nyman
2014-04-17 16:47 ` Timur Tabi
2014-04-23 11:46 ` Mathias Nyman
2014-04-23 12:07 ` Timur Tabi
2014-04-23 13:59 ` Westerberg, Mika
2014-04-23 15:14 ` Timur Tabi
2014-04-23 22:20 ` Linus Walleij
2014-04-23 22:54 ` Timur Tabi
2014-04-24 6:27 ` Westerberg, Mika
2014-04-24 11:20 ` Timur Tabi
2014-04-24 11:38 ` Westerberg, Mika
2014-04-24 6:35 ` Westerberg, Mika
2014-04-24 11:18 ` Timur Tabi
2014-04-24 11:58 ` Westerberg, Mika
2014-04-24 13:29 ` Linus Walleij
2014-04-24 15:25 ` Timur Tabi
2014-04-25 7:41 ` Westerberg, Mika
2014-04-25 10:36 ` Linus Walleij
2014-04-25 16:13 ` Timur Tabi
2014-04-25 16:21 ` Rafael J. Wysocki [this message]
2014-04-25 16:31 ` Timur Tabi
2014-05-02 22:31 ` Linus Walleij
2014-04-23 22:17 ` Linus Walleij
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