linux-kernel - Re: [PATCH 1/2 V2] remoteproc: core: Export the rproc coredump APIs

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Message-ID: <00fe8f66-fa11-05aa-5ba4-05880783e7dd@quicinc.com>
Date:   Sat, 21 May 2022 11:41:34 +0530
From:   Sibi Sankar <quic_sibis@...cinc.com>
To:     Yogesh Lal <quic_ylal@...cinc.com>, <bjorn.andersson@...aro.org>
CC:     <linux-arm-msm@...r.kernel.org>,
        <linux-remoteproc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Siddharth Gupta <sidgup@...eaurora.org>
Subject: Re: [PATCH 1/2 V2] remoteproc: core: Export the rproc coredump APIs



On 5/10/22 4:55 PM, Yogesh Lal wrote:
> From: Siddharth Gupta <sidgup@...eaurora.org>
> 
> The remoteproc coredump APIs are currently only part of the internal
> remoteproc header. This prevents the remoteproc platform drivers from
> using these APIs when needed. This change moves the rproc_coredump()
> and rproc_coredump_cleanup() APIs to the linux header and marks them
> as exported symbols.
> 
> Signed-off-by: Siddharth Gupta <sidgup@...eaurora.org>

Reviewed-by: Sibi Sankar <quic_sibis@...cinc.com>

> Signed-off-by: Yogesh Lal <quic_ylal@...cinc.com>
> ---
>   drivers/remoteproc/remoteproc_coredump.c | 2 ++
>   drivers/remoteproc/remoteproc_internal.h | 4 ----
>   include/linux/remoteproc.h               | 4 ++++
>   3 files changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/remoteproc/remoteproc_coredump.c b/drivers/remoteproc/remoteproc_coredump.c
> index aee657c..aa45b68 100644
> --- a/drivers/remoteproc/remoteproc_coredump.c
> +++ b/drivers/remoteproc/remoteproc_coredump.c
> @@ -32,6 +32,7 @@ void rproc_coredump_cleanup(struct rproc *rproc)
>   		kfree(entry);
>   	}
>   }
> +EXPORT_SYMBOL(rproc_coredump_cleanup);
>   
>   /**
>    * rproc_coredump_add_segment() - add segment of device memory to coredump
> @@ -327,6 +328,7 @@ void rproc_coredump(struct rproc *rproc)
>   	 */
>   	wait_for_completion(&dump_state.dump_done);
>   }
> +EXPORT_SYMBOL(rproc_coredump);
>   
>   /**
>    * rproc_coredump_using_sections() - perform coredump using section headers
> diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
> index a328e63..a492a41 100644
> --- a/drivers/remoteproc/remoteproc_internal.h
> +++ b/drivers/remoteproc/remoteproc_internal.h
> @@ -49,10 +49,6 @@ extern struct class rproc_class;
>   int rproc_init_sysfs(void);
>   void rproc_exit_sysfs(void);
>   
> -/* from remoteproc_coredump.c */
> -void rproc_coredump_cleanup(struct rproc *rproc);
> -void rproc_coredump(struct rproc *rproc);
> -
>   #ifdef CONFIG_REMOTEPROC_CDEV
>   void rproc_init_cdev(void);
>   void rproc_exit_cdev(void);
> diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
> index 83c09ac..b8c8c3a 100644
> --- a/include/linux/remoteproc.h
> +++ b/include/linux/remoteproc.h
> @@ -673,6 +673,10 @@ void rproc_shutdown(struct rproc *rproc);
>   int rproc_detach(struct rproc *rproc);
>   int rproc_set_firmware(struct rproc *rproc, const char *fw_name);
>   void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type);
> +
> +/* from remoteproc_coredump.c */
> +void rproc_coredump_cleanup(struct rproc *rproc);
> +void rproc_coredump(struct rproc *rproc);
>   void rproc_coredump_using_sections(struct rproc *rproc);
>   int rproc_coredump_add_segment(struct rproc *rproc, dma_addr_t da, size_t size);
>   int rproc_coredump_add_custom_segment(struct rproc *rproc,
>