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From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Akash Asthana <akashast@codeaurora.org>
Cc: gregkh@linuxfoundation.org, agross@kernel.org, wsa@the-dreams.de,
	broonie@kernel.org, mark.rutland@arm.com, robh+dt@kernel.org,
	linux-i2c@vger.kernel.org, linux-spi@vger.kernel.org,
	devicetree@vger.kernel.org, swboyd@chromium.org,
	mgautam@codeaurora.org, linux-arm-msm@vger.kernel.org,
	linux-serial@vger.kernel.org, mka@chromium.org,
	dianders@chromium.org, evgreen@chromium.org
Subject: Re: [PATCH V2 1/8] interconnect: Add devm_of_icc_get() as exported API for users
Date: Fri, 27 Mar 2020 16:02:21 -0700
Message-ID: <20200327230221.GK5063@builder> (raw)
In-Reply-To: <1584105134-13583-2-git-send-email-akashast@codeaurora.org>

On Fri 13 Mar 06:12 PDT 2020, Akash Asthana wrote:

> Users can use devm version of of_icc_get() to benefit from automatic
> resource release.
> 
> Signed-off-by: Akash Asthana <akashast@codeaurora.org>

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Regards,
Bjorn

> ---
>  drivers/interconnect/core.c  | 25 +++++++++++++++++++++++++
>  include/linux/interconnect.h |  7 +++++++
>  2 files changed, 32 insertions(+)
> 
> diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
> index 2c6515e..f5699ed 100644
> --- a/drivers/interconnect/core.c
> +++ b/drivers/interconnect/core.c
> @@ -350,6 +350,31 @@ static struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
>  	return node;
>  }
>  
> +static void devm_icc_release(struct device *dev, void *res)
> +{
> +	icc_put(*(struct icc_path **)res);
> +}
> +
> +struct icc_path *devm_of_icc_get(struct device *dev, const char *name)
> +{
> +	struct icc_path **ptr, *path;
> +
> +	ptr = devres_alloc(devm_icc_release, sizeof(**ptr), GFP_KERNEL);
> +	if (!ptr)
> +		return ERR_PTR(-ENOMEM);
> +
> +	path = of_icc_get(dev, name);
> +	if (!IS_ERR(path)) {
> +		*ptr = path;
> +		devres_add(dev, ptr);
> +	} else {
> +		devres_free(ptr);
> +	}
> +
> +	return path;
> +}
> +EXPORT_SYMBOL_GPL(devm_of_icc_get);
> +
>  /**
>   * of_icc_get() - get a path handle from a DT node based on name
>   * @dev: device pointer for the consumer device
> diff --git a/include/linux/interconnect.h b/include/linux/interconnect.h
> index d70a914..7706924 100644
> --- a/include/linux/interconnect.h
> +++ b/include/linux/interconnect.h
> @@ -28,6 +28,7 @@ struct device;
>  struct icc_path *icc_get(struct device *dev, const int src_id,
>  			 const int dst_id);
>  struct icc_path *of_icc_get(struct device *dev, const char *name);
> +struct icc_path *devm_of_icc_get(struct device *dev, const char *name);
>  void icc_put(struct icc_path *path);
>  int icc_set_bw(struct icc_path *path, u32 avg_bw, u32 peak_bw);
>  void icc_set_tag(struct icc_path *path, u32 tag);
> @@ -46,6 +47,12 @@ static inline struct icc_path *of_icc_get(struct device *dev,
>  	return NULL;
>  }
>  
> +static inline struct icc_path *devm_of_icc_get(struct device *dev,
> +						const char *name)
> +{
> +	return NULL;
> +}
> +
>  static inline void icc_put(struct icc_path *path)
>  {
>  }
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,\na Linux Foundation Collaborative Project

  parent reply index

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-13 13:12 [PATCH V2 0/8] Add interconnect support to QSPI and QUP drivers Akash Asthana
     [not found] ` <1584105134-13583-1-git-send-email-akashast-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2020-03-13 13:12   ` [PATCH V2 1/8] interconnect: Add devm_of_icc_get() as exported API for users Akash Asthana
2020-03-13 16:26     ` Matthias Kaehlcke
2020-03-27 23:02     ` Bjorn Andersson [this message]
2020-03-13 13:12   ` [PATCH V2 4/8] tty: serial: qcom_geni_serial: Add interconnect support Akash Asthana
     [not found]     ` <1584105134-13583-5-git-send-email-akashast-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2020-03-13 21:28       ` Matthias Kaehlcke
     [not found]         ` <20200313212833.GK144492-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2020-03-17 11:48           ` Akash Asthana
2020-03-17 19:08             ` Matthias Kaehlcke
2020-03-18 12:23               ` Akash Asthana
     [not found]                 ` <e95bd6e0-d1fd-9d13-47df-f7d08b443e37-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2020-03-19 20:42                   ` Matthias Kaehlcke
     [not found]                     ` <20200319204248.GA204494-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2020-03-20 10:35                       ` Akash Asthana
2020-03-13 13:12   ` [PATCH V2 5/8] i2c: i2c-qcom-geni: " Akash Asthana
2020-03-14  0:17     ` Matthias Kaehlcke
2020-03-17 11:51       ` Akash Asthana
2020-03-13 13:12   ` [PATCH V2 6/8] spi: spi-geni-qcom: " Akash Asthana
     [not found]     ` <1584105134-13583-7-git-send-email-akashast-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2020-03-13 13:16       ` Mark Brown
2020-03-17  9:35         ` Akash Asthana
     [not found]           ` <aa197568-3bac-6962-d39d-3261f68c0514-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2020-03-17 13:06             ` Mark Brown
2020-03-20 13:52               ` Akash Asthana
2020-03-14  0:41     ` Matthias Kaehlcke
     [not found]       ` <20200314004106.GM144492-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2020-03-17 12:11         ` Akash Asthana
2020-03-13 13:12 ` [PATCH V2 2/8] soc: qcom: geni: Support for ICC voting Akash Asthana
2020-03-13 16:42   ` Matthias Kaehlcke
     [not found]     ` <20200313164207.GH144492-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2020-03-17  9:58       ` Akash Asthana
2020-03-17 19:06   ` Evan Green
     [not found]     ` <74851dda-296d-cdc5-2449-b9ec59bbc057@codeaurora.org>
2020-03-20 16:45       ` Evan Green
2020-03-27  5:33         ` Akash Asthana
2020-03-13 13:12 ` [PATCH V2 3/8] soc: qcom-geni-se: Add interconnect support to fix earlycon crash Akash Asthana
2020-03-13 20:44   ` Matthias Kaehlcke
     [not found]     ` <20200313204441.GJ144492-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2020-03-17 10:57       ` Akash Asthana
     [not found]         ` <1f86fdf0-df7c-4e4a-d4d8-8b0162e52cb4-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2020-03-17 18:29           ` Matthias Kaehlcke
2020-03-18  8:54             ` Akash Asthana
2020-03-19 19:43               ` Matthias Kaehlcke
     [not found]                 ` <20200319194332.GA60149-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2020-03-20 10:22                   ` Akash Asthana
2020-03-20 16:30                     ` Evan Green
2020-03-27  5:04                       ` Akash Asthana
2020-03-27 23:23                       ` Bjorn Andersson
2020-03-31 10:55                         ` Akash Asthana
2020-03-17 19:08           ` Evan Green
2020-03-17 19:46             ` Doug Anderson
     [not found]             ` <CAE=gft5GcOeQ5kh1bGen_P0J98g2XaAJ7NrDsxkirDoLtL4GWg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2020-03-18 10:57               ` Akash Asthana
2020-03-18 16:22                 ` Evan Green
2020-03-13 13:12 ` [PATCH V2 7/8] spi: spi-qcom-qspi: Add interconnect support Akash Asthana
2020-03-14  0:58   ` Matthias Kaehlcke
     [not found]     ` <20200314005817.GN144492-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2020-03-17 12:13       ` Akash Asthana
2020-03-17 19:08         ` Evan Green
2020-03-18 13:48           ` Akash Asthana
     [not found]             ` <e2ee1a60-a379-5c78-355a-64aad451a944-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2020-03-18 16:30               ` Evan Green
2020-03-20  5:35                 ` Akash Asthana
2020-03-13 13:12 ` [PATCH V2 8/8] arm64: dts: sc7180: Add interconnect for QUP and QSPI Akash Asthana

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