From mboxrd@z Thu Jan  1 00:00:00 1970
From: stefan.wahren@i2se.com (Stefan Wahren)
Date: Mon, 27 Oct 2014 08:10:18 +0100
Subject: Subsystem communication
In-Reply-To: <1640626236.190592.1413233150604.JavaMail.open-xchange@oxbaltgw01.schlund.de>
References: <1640626236.190592.1413233150604.JavaMail.open-xchange@oxbaltgw01.schlund.de>
Message-ID: <544DEFDA.1050801@i2se.com>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

Am 13.10.2014 um 22:45 schrieb Stefan Wahren:
> Hi,
>
> currently i want to implement a driver for the power subsystem of the Freescale
> i.MX28 (ARM9). On the one hand the driver should trigger the registering of the
> underlying components like regulators and on the other hand it should take care
> of the incoming interrupts and provide the results to the underlying components.
>
> I think the first task can easily done by of_platform_populate().
>
> But for the second task i'm not sure how to achieve a clean, mostly readonly
> access from the regulator drivers to the power subsystem driver.
>
> I have read about exporting symbols and RCU, but i'm not sure what's preferred
> in that situation.
>
> Best regards
>
> Stefan
>
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ping