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[v1,3/6] bus: mhi: core: Expose mhi_get_exec_env() API for controllers

Message ID 1604622869-40212-4-git-send-email-bbhatt@codeaurora.org (mailing list archive)
State Superseded
Headers show
Series Minor bug fixes and clean-up for MHI host driver | expand

Commit Message

Bhaumik Bhatt Nov. 6, 2020, 12:34 a.m. UTC
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@codeaurora.org>
---
 drivers/bus/mhi/core/main.c | 1 +
 include/linux/mhi.h         | 6 ++++++
 2 files changed, 7 insertions(+)

Comments

Manivannan Sadhasivam Nov. 6, 2020, 5:29 a.m. UTC | #1
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@codeaurora.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
>
diff mbox series

Patch

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);
+
+/**
  * mhi_get_mhi_state - Get MHI state of the device
  * @mhi_cntrl: MHI controller
  */