linux-kernel - Re: [RFC PATCH v2 05/11] interconnect: Export of_icc_get_from

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Date:   Mon, 16 Dec 2019 09:57:24 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     Artur Świgoń <a.swigon@...sung.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, dri-devel@...ts.freedesktop.org
Cc:     myungjoo.ham@...sung.com, inki.dae@...sung.com,
        sw0312.kim@...sung.com, georgi.djakov@...aro.org,
        leonard.crestez@....com, m.szyprowski@...sung.com,
        b.zolnierkie@...sung.com, krzk@...nel.org
Subject: Re: [RFC PATCH v2 05/11] interconnect: Export
 of_icc_get_from_provider()

On 9/19/19 11:22 PM, Artur Świgoń wrote:
> From: Artur Świgoń <a.swigon@...tner.samsung.com>
> 
> This patch makes the above function public (for use in exynos-bus devfreq
> driver).
> 
> Signed-off-by: Artur Świgoń <a.swigon@...tner.samsung.com>
> Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>
> ---
>  drivers/interconnect/core.c           | 3 ++-
>  include/linux/interconnect-provider.h | 6 ++++++
>  2 files changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
> index 7b971228df38..95850700e367 100644
> --- a/drivers/interconnect/core.c
> +++ b/drivers/interconnect/core.c
> @@ -279,7 +279,7 @@ EXPORT_SYMBOL_GPL(of_icc_xlate_onecell);
>   * Returns a valid pointer to struct icc_node on success or ERR_PTR()
>   * on failure.
>   */
> -static struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
> +struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
>  {
>  	struct icc_node *node = ERR_PTR(-EPROBE_DEFER);
>  	struct icc_provider *provider;
> @@ -298,6 +298,7 @@ static struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
>  
>  	return node;
>  }
> +EXPORT_SYMBOL_GPL(of_icc_get_from_provider);
>  
>  /**
>   * of_icc_get() - get a path handle from a DT node based on name
> diff --git a/include/linux/interconnect-provider.h b/include/linux/interconnect-provider.h
> index b16f9effa555..070e411564e1 100644
> --- a/include/linux/interconnect-provider.h
> +++ b/include/linux/interconnect-provider.h
> @@ -100,6 +100,7 @@ void icc_node_add(struct icc_node *node, struct icc_provider *provider);
>  void icc_node_del(struct icc_node *node);
>  int icc_provider_add(struct icc_provider *provider);
>  int icc_provider_del(struct icc_provider *provider);
> +struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec);
>  
>  #else
>  
> @@ -140,6 +141,11 @@ static inline int icc_provider_del(struct icc_provider *provider)
>  	return -ENOTSUPP;
>  }
>  
> +struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
> +{
> +	return ERR_PTR(-ENOTSUPP);
> +}
> +
>  #endif /* CONFIG_INTERCONNECT */
>  
>  #endif /* __LINUX_INTERCONNECT_PROVIDER_H */
> 

Reviewed-by: Chanwoo Choi <cw00.choi@...sung.com>

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics