linux-kernel - Re: [PATCH 05/18] software_node: Alter software_node_unregister_nodes() to unregister the array in reverse order

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Date:   Tue, 1 Dec 2020 23:36:48 +0000
From:   Dan Scally <djrscally@...il.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-media@...r.kernel.org, devel@...ica.org, rjw@...ysocki.net,
        lenb@...nel.org, gregkh@...uxfoundation.org,
        mika.westerberg@...ux.intel.com, linus.walleij@...aro.org,
        bgolaszewski@...libre.com, wsa@...nel.org, yong.zhi@...el.com,
        sakari.ailus@...ux.intel.com, bingbu.cao@...el.com,
        tian.shu.qiu@...el.com, mchehab@...nel.org, robert.moore@...el.com,
        erik.kaneda@...el.com, pmladek@...e.com, rostedt@...dmis.org,
        sergey.senozhatsky@...il.com, linux@...musvillemoes.dk,
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        laurent.pinchart+renesas@...asonboard.com,
        jorhand@...ux.microsoft.com, kitakar@...il.com,
        heikki.krogerus@...ux.intel.com
Subject: Re: [PATCH 05/18] software_node: Alter
 software_node_unregister_nodes() to unregister the array in reverse order

Hi Andy

On 30/11/2020 17:45, Andy Shevchenko wrote:
> On Mon, Nov 30, 2020 at 01:31:16PM +0000, Daniel Scally wrote:
>> Software nodes that are children of another software node should be
>> unregistered before their parent. To allow easy unregistering of an array
>> of software_nodes ordered parent to child, reverse the order in which
>> this function unregisters software_nodes.
> 
> Should be folded in the previous patch. Otherwise we will have a history point
> where register() behaves differently to unregister().

OK sure, I'll squash them - and thanks for your comments on the previous
patch, I condensed the conditionals as you suggest

> ...
> 
>> + * @nodes: Zero terminated array of software nodes to be unregistered. If
>> + * parent pointers are set up in any of the software nodes then the array
>> + * MUST be ordered such that parents come before their children.
> 
> Please, leave field description short. Rather add another note to the
> Description below.

Ack