linux-kernel - Re: [PATCH v1 3/6] bus: mhi: core: Expose mhi_get_exec

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Date:   Fri, 6 Nov 2020 10:59:55 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Bhaumik Bhatt <bbhatt@...eaurora.org>
Cc:     linux-arm-msm@...r.kernel.org, hemantk@...eaurora.org,
        jhugo@...eaurora.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 3/6] bus: mhi: core: Expose mhi_get_exec_env() API for
 controllers

On Thu, Nov 05, 2020 at 04:34:26PM -0800, Bhaumik Bhatt wrote:
> The mhi_get_exec_env() APIs can be used by the controller drivers
> to query the execution environment of the MHI device. Expose it
> so it can be used in some scenarios to determine behavior of
> controllers.
> 
> Signed-off-by: Bhaumik Bhatt <bbhatt@...eaurora.org>
> ---
>  drivers/bus/mhi/core/main.c | 1 +
>  include/linux/mhi.h         | 6 ++++++
>  2 files changed, 7 insertions(+)
> 
> diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
> index 778897e..7c45657 100644
> --- a/drivers/bus/mhi/core/main.c
> +++ b/drivers/bus/mhi/core/main.c
> @@ -123,6 +123,7 @@ enum mhi_ee_type mhi_get_exec_env(struct mhi_controller *mhi_cntrl)
>  
>  	return (ret) ? MHI_EE_MAX : exec;
>  }
> +EXPORT_SYMBOL_GPL(mhi_get_exec_env);
>  
>  enum mhi_state mhi_get_mhi_state(struct mhi_controller *mhi_cntrl)
>  {
> diff --git a/include/linux/mhi.h b/include/linux/mhi.h
> index d4841e5..9225d55 100644
> --- a/include/linux/mhi.h
> +++ b/include/linux/mhi.h
> @@ -659,6 +659,12 @@ int mhi_download_rddm_img(struct mhi_controller *mhi_cntrl, bool in_panic);
>  int mhi_force_rddm_mode(struct mhi_controller *mhi_cntrl);
>  
>  /**
> + * mhi_get_exec_env - Get BHI execution environment of the device
> + * @mhi_cntrl: MHI controller
> + */
> +enum mhi_ee_type mhi_get_exec_env(struct mhi_controller *mhi_cntrl);

And you should remove the declaration in internal.h.

Thanks,
Mani

> +
> +/**
>   * mhi_get_mhi_state - Get MHI state of the device
>   * @mhi_cntrl: MHI controller
>   */
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>