linux-kernel - Re: [PATCH v1] clk: Mark a fwnode as initialized when using CLK_OF

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Date:   Wed, 01 Mar 2023 12:40:03 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Michael Turquette <mturquette@...libre.com>,
        Saravana Kannan <saravanak@...gle.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>, kernel-team@...roid.com,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] clk: Mark a fwnode as initialized when using CLK_OF_DECLARE* macros

Quoting Saravana Kannan (2023-02-28 17:25:06)
> The CLK_OF_DECLARE macros sometimes prevent the creation of struct
> devices for the device node being handled. It does this by
> setting/clearing OF_POPULATED flag. This can block the probing of some
> devices because fw_devlink will block the consumers of this node till a
> struct device is created and probed.

Why can't you use CLK_OF_DECLARE_DRIVER()?

> 
> Set the appropriate fwnode flags when these device nodes are initialized
> by the clock framework and when OF_POPULATED flag is set/cleared. This
> will allow fw_devlink to handle the dependencies correctly.