Re: [PATCH v3 2/4] clk: qcom: clk-rpmh: Convert to parent data scheme

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On Thu 22 Aug 10:01 PDT 2019, Vinod Koul wrote:

> Convert the rpmh clock driver to use the new parent data scheme by
> specifying the parent data for board clock.
> 
> Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
> ---
>  drivers/clk/qcom/clk-rpmh.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c
> index c3fd632af119..0bced7326a20 100644
> --- a/drivers/clk/qcom/clk-rpmh.c
> +++ b/drivers/clk/qcom/clk-rpmh.c
> @@ -95,7 +95,10 @@ static DEFINE_MUTEX(rpmh_clk_lock);
>  		.hw.init = &(struct clk_init_data){			\
>  			.ops = &clk_rpmh_ops,				\
>  			.name = #_name,					\
> -			.parent_names = (const char *[]){ "xo_board" },	\
> +			.parent_data =  &(const struct clk_parent_data){ \
> +					.fw_name = "xo_board",		\
> +					.name = "xo_board",		\

Iiuc .name here refers to the global clock namespace and .fw_name refers
to the device_node local name space. As such I really prefer this to be:

  .fw_name = "xo",
  .name = "xo_board",

This ensures the backwards compatibility (when using global lookup),
without complicating the node-local naming.

Regards,
Bjorn

> +			},						\
>  			.num_parents = 1,				\
>  		},							\
>  	};								\
> @@ -110,7 +113,10 @@ static DEFINE_MUTEX(rpmh_clk_lock);
>  		.hw.init = &(struct clk_init_data){			\
>  			.ops = &clk_rpmh_ops,				\
>  			.name = #_name_active,				\
> -			.parent_names = (const char *[]){ "xo_board" },	\
> +			.parent_data =  &(const struct clk_parent_data){ \
> +					.fw_name = "xo_board",		\
> +					.name = "xo_board",		\
> +			},						\
>  			.num_parents = 1,				\
>  		},							\
>  	}
> -- 
> 2.20.1
> 



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