linux-kernel - RE: [RFC 06/11] clk: imx: Add helpers for passing the device as argument

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Date:   Fri, 13 Mar 2020 07:58:14 +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 06/11] clk: imx: Add helpers for passing the device as
 argument

> Subject: [RFC 06/11] clk: imx: Add helpers for passing the device as argument
> 
> All the imx clocks that need to be registered by the audiomix need to pass on
> the device so that the runtime PM support could work properly.
> 
> Signed-off-by: Abel Vesa <abel.vesa@....com>

Reviewed-by: Peng Fan <peng.fan@....com>

> ---
>  drivers/clk/imx/clk.h | 29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
> 
> diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index
> cb28f06..42960a9 100644
> --- a/drivers/clk/imx/clk.h
> +++ b/drivers/clk/imx/clk.h
> @@ -321,6 +321,13 @@ static inline struct clk_hw *imx_clk_hw_gate(const
> char *name, const char *paren
>  				    shift, 0, &imx_ccm_lock);
>  }
> 
> +static inline struct clk_hw *imx_dev_clk_hw_gate(struct device *dev, const
> char *name,
> +						const char *parent, void __iomem *reg, u8 shift)
> {
> +	return clk_hw_register_gate(dev, name, parent, CLK_SET_RATE_PARENT,
> reg,
> +				    shift, 0, &imx_ccm_lock);
> +}
> +
>  static inline struct clk_hw *imx_clk_hw_gate_dis(const char *name, const
> char *parent,
>  		void __iomem *reg, u8 shift)
>  {
> @@ -422,6 +429,15 @@ static inline struct clk_hw *imx_clk_hw_mux(const
> char *name, void __iomem *reg,
>  			width, 0, &imx_ccm_lock);
>  }
> 
> +static inline struct clk_hw *imx_dev_clk_hw_mux(struct device *dev, const
> char *name,
> +                        void __iomem *reg, u8 shift, u8 width,
> +                        const char * const *parents, int num_parents)
> {
> +        return clk_hw_register_mux(dev, name, parents, num_parents,
> +                        CLK_SET_RATE_NO_REPARENT |
> CLK_SET_PARENT_GATE,
> +                        reg, shift, width, 0, &imx_ccm_lock); }
> +
>  static inline struct clk *imx_clk_mux2(const char *name, void __iomem
> *reg,
>  			u8 shift, u8 width, const char * const *parents,
>  			int num_parents)
> @@ -484,6 +500,19 @@ static inline struct clk_hw
> *imx_clk_hw_mux_flags(const char *name,
>  				   reg, shift, width, 0, &imx_ccm_lock);  }
> 
> +static inline struct clk_hw *imx_dev_clk_hw_mux_flags(struct device *dev,
> +						  const char *name,
> +						  void __iomem *reg, u8 shift,
> +						  u8 width,
> +						  const char * const *parents,
> +						  int num_parents,
> +						  unsigned long flags)
> +{
> +	return clk_hw_register_mux(dev, name, parents, num_parents,
> +				   flags | CLK_SET_RATE_NO_REPARENT,
> +				   reg, shift, width, 0, &imx_ccm_lock); }
> +
>  struct clk_hw *imx_clk_hw_cpu(const char *name, const char
> *parent_name,
>  		struct clk *div, struct clk *mux, struct clk *pll,
>  		struct clk *step);
> --
> 2.7.4