linux-kernel - Re: [PATCH 1/3] clk: add a clk_hw helper to get the associate device structure

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Message-ID: <6ce3260dafcf3b1ace3d6bb4255e2d9b.sboyd@kernel.org>
Date: Fri, 20 Dec 2024 15:55:21 -0800
From: Stephen Boyd <sboyd@...nel.org>
To: Jerome Brunet <jbrunet@...libre.com>, Kevin Hilman <khilman@...libre.com>, Martin Blumenstingl <martin.blumenstingl@...glemail.com>, Michael Turquette <mturquette@...libre.com>, Neil Armstrong <neil.armstrong@...aro.org>
Cc: linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org, linux-amlogic@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, Jerome Brunet <jbrunet@...libre.com>
Subject: Re: [PATCH 1/3] clk: add a clk_hw helper to get the associate device structure

Quoting Jerome Brunet (2024-12-20 09:17:42)
> Add an helper function to get the 'struct device' associated with

Add a helper

> an a 'clk_hw'. This can be used by clock drivers to access various

with a 'clk_hw'

> device related functionnalities such as devres, dev_ prints, etc ...

s/functionnalities/functionality/

> 
> Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
> ---
>  drivers/clk/clk.c            | 6 ++++++
>  include/linux/clk-provider.h | 1 +
>  2 files changed, 7 insertions(+)
> 
> diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
> index 9b45fa005030f56e1478b9742715ebcde898133f..7e734d2955978cafd77d911562a26f1646684ec2 100644
> --- a/drivers/clk/clk.c
> +++ b/drivers/clk/clk.c
> @@ -365,6 +365,12 @@ const char *clk_hw_get_name(const struct clk_hw *hw)
>  }
>  EXPORT_SYMBOL_GPL(clk_hw_get_name);
>  
> +struct device *clk_hw_get_dev(const struct clk_hw *hw)

Please document with kernel doc

> +{
> +       return hw->core->dev;
> +}
> +EXPORT_SYMBOL_GPL(clk_hw_get_dev);

I suspect a quick KUnit test can be written up as well that confirms the
device the clk is registered with is returned.