linux-kernel - Re: [PATCH 21/23] interconnect: drop racy registration API

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Message-ID: <e77f197c-199d-a88b-deda-67ec6fd1c456@linaro.org>
Date:   Fri, 3 Feb 2023 03:58:27 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Johan Hovold <johan+linaro@...nel.org>,
        Georgi Djakov <djakov@...nel.org>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Artur Świgoń <a.swigon@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 21/23] interconnect: drop racy registration API



On 1.02.2023 11:15, Johan Hovold wrote:
> Now that all interconnect drivers have been converted to the new
> provider registration API, the old racy interface can be removed.
> 
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
>  drivers/interconnect/core.c           | 16 ----------------
>  include/linux/interconnect-provider.h | 11 -----------
>  2 files changed, 27 deletions(-)
> 
> diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
> index 93d27ff8eef6..b8917823fd95 100644
> --- a/drivers/interconnect/core.c
> +++ b/drivers/interconnect/core.c
> @@ -1078,22 +1078,6 @@ void icc_provider_deregister(struct icc_provider *provider)
>  }
>  EXPORT_SYMBOL_GPL(icc_provider_deregister);
>  
> -int icc_provider_add(struct icc_provider *provider)
> -{
> -	icc_provider_init(provider);
> -
> -	return icc_provider_register(provider);
> -}
> -EXPORT_SYMBOL_GPL(icc_provider_add);
> -
> -void icc_provider_del(struct icc_provider *provider)
> -{
> -	WARN_ON(!list_empty(&provider->nodes));
> -
> -	icc_provider_deregister(provider);
> -}
> -EXPORT_SYMBOL_GPL(icc_provider_del);
> -
>  static const struct of_device_id __maybe_unused ignore_list[] = {
>  	{ .compatible = "qcom,sc7180-ipa-virt" },
>  	{ .compatible = "qcom,sc8180x-ipa-virt" },
> diff --git a/include/linux/interconnect-provider.h b/include/linux/interconnect-provider.h
> index d12cd18aab3f..b9af9016a95e 100644
> --- a/include/linux/interconnect-provider.h
> +++ b/include/linux/interconnect-provider.h
> @@ -125,8 +125,6 @@ int icc_nodes_remove(struct icc_provider *provider);
>  void icc_provider_init(struct icc_provider *provider);
>  int icc_provider_register(struct icc_provider *provider);
>  void icc_provider_deregister(struct icc_provider *provider);
> -int icc_provider_add(struct icc_provider *provider);
> -void icc_provider_del(struct icc_provider *provider);
>  struct icc_node_data *of_icc_get_from_provider(struct of_phandle_args *spec);
>  void icc_sync_state(struct device *dev);
>  
> @@ -179,15 +177,6 @@ static inline int icc_provider_register(struct icc_provider *provider)
>  
>  static inline void icc_provider_deregister(struct icc_provider *provider) { }
>  
> -static inline int icc_provider_add(struct icc_provider *provider)
> -{
> -	return -ENOTSUPP;
> -}
> -
> -static inline void icc_provider_del(struct icc_provider *provider)
> -{
> -}
> -
>  static inline struct icc_node_data *of_icc_get_from_provider(struct of_phandle_args *spec)
>  {
>  	return ERR_PTR(-ENOTSUPP);