linux-kernel - RE: [RFC 05/11] clk: imx: pll14xx: Add the device as argument when registering

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Date:   Fri, 13 Mar 2020 07:50:22 +0000
From:   Peng Fan <peng.fan@....com>
To:     Abel Vesa <abel.vesa@....com>, Rob Herring <robh@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        Mike Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Anson Huang <anson.huang@....com>,
        Leonard Crestez <leonard.crestez@....com>,
        Jacky Bai <ping.bai@....com>
CC:     dl-linux-imx <linux-imx@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        Abel Vesa <abel.vesa@....com>
Subject: RE: [RFC 05/11] clk: imx: pll14xx: Add the device as argument when
 registering

> Subject: [RFC 05/11] clk: imx: pll14xx: Add the device as argument when
> registering
> 
> In order to allow runtime PM, the device needs to be passed on to the register
> function. Audiomix clock controller, used on i.MX8MP and future platforms,
> registers a pll14xx and has runtime PM support.
> 
> Signed-off-by: Abel Vesa <abel.vesa@....com>
> ---
>  drivers/clk/imx/clk-pll14xx.c |  6 +++---
>  drivers/clk/imx/clk.h         | 13 ++++++++++---
>  2 files changed, 13 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c index
> a83bbbe..2fbc28c 100644
> --- a/drivers/clk/imx/clk-pll14xx.c
> +++ b/drivers/clk/imx/clk-pll14xx.c
> @@ -378,9 +378,9 @@ static const struct clk_ops clk_pll1443x_ops = {
>  	.set_rate	= clk_pll1443x_set_rate,
>  };
> 
> -struct clk_hw *imx_clk_hw_pll14xx(const char *name, const char
> *parent_name,
> -				  void __iomem *base,
> -				  const struct imx_pll14xx_clk *pll_clk)
> +struct clk_hw *imx_dev_clk_hw_pll14xx(struct device *dev, const char
> *name,
> +                            const char *parent_name, void __iomem
> *base,
> +                            const struct imx_pll14xx_clk *pll_clk)
>  {

Should the pointer dev be passed to clk_hw_register?

Thanks,
Peng.

>  	struct clk_pll14xx *pll;
>  	struct clk_hw *hw;
> diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index
> 51d6c26..cb28f06 100644
> --- a/drivers/clk/imx/clk.h
> +++ b/drivers/clk/imx/clk.h
> @@ -131,9 +131,9 @@ struct clk *imx_clk_pll14xx(const char *name, const
> char *parent_name,  #define imx_clk_pll14xx(name, parent_name, base,
> pll_clk) \
>  	to_clk(imx_clk_hw_pll14xx(name, parent_name, base, pll_clk))
> 
> -struct clk_hw *imx_clk_hw_pll14xx(const char *name, const char
> *parent_name,
> -				  void __iomem *base,
> -				  const struct imx_pll14xx_clk *pll_clk);
> +struct clk_hw *imx_dev_clk_hw_pll14xx(struct device *dev, const char
> *name,
> +                            const char *parent_name, void __iomem
> *base,
> +                            const struct imx_pll14xx_clk *pll_clk);
> 
>  struct clk_hw *imx_clk_hw_pllv1(enum imx_pllv1_type type, const char
> *name,
>  		const char *parent, void __iomem *base); @@ -244,6 +244,13 @@
> static inline struct clk *to_clk(struct clk_hw *hw)
>  	return hw->clk;
>  }
> 
> +static inline struct clk_hw *imx_clk_hw_pll14xx(const char *name, const
> char *parent_name,
> +				  void __iomem *base,
> +				  const struct imx_pll14xx_clk *pll_clk) {
> +	return imx_dev_clk_hw_pll14xx(NULL, name, parent_name, base,
> pll_clk);
> +}
> +
>  static inline struct clk_hw *imx_clk_hw_fixed(const char *name, int rate)  {
>  	return clk_hw_register_fixed_rate(NULL, name, NULL, 0, rate);
> --
> 2.7.4