linux-kernel - Re: [RFC PATCH] software node: Skip duplicated software

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Message-ID: <c5767824-f39c-772c-d376-77db24bb2f84@quicinc.com>
Date:   Tue, 2 Nov 2021 15:44:40 -0400
From:   Qian Cai <quic_qiancai@...cinc.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
CC:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH] software node: Skip duplicated software_node sysfs



On 11/1/21 7:51 PM, Andy Shevchenko wrote:
> No, it’s not so easy. What you are doing is a papering over the real issue
> which is the limitation of the firmware nodes to two. What we need is to
> drop the link from struct fwnode_handle, move it to upper layer and modify
> all fwnode ops to be used over the list of fwnode:s.

Andy, this is my first time touching fwnode/swnode. After reading the
source code for a few hours, I still don't understand the hint here.
Specifically, what does the "the link" refer to?