Linux-remoteproc Archive on lore.kernel.org
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From: Peng Fan <peng.fan@nxp.com>
To: Mathieu Poirier <mathieu.poirier@linaro.org>,
	"bjorn.andersson@linaro.org" <bjorn.andersson@linaro.org>,
	"ohad@wizery.com" <ohad@wizery.com>
Cc: "linux-remoteproc@vger.kernel.org"
	<linux-remoteproc@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH 03/13] remoteproc: Add new RPROC_ATTACHED state
Date: Thu, 15 Oct 2020 01:31:19 +0000
Message-ID: <DB6PR0402MB2760A4B2009B221B462FE0AB88020@DB6PR0402MB2760.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20200826164529.224476-4-mathieu.poirier@linaro.org>

> Subject: [PATCH 03/13] remoteproc: Add new RPROC_ATTACHED state
> 
> Add a new RPROC_ATTACHED state to take into account scenarios where the
> remoteproc core needs to attach to a remote processor that is booted by
> another entity.
> 
> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
> ---
>  drivers/remoteproc/remoteproc_sysfs.c | 1 +
>  include/linux/remoteproc.h            | 7 +++++--
>  2 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/remoteproc/remoteproc_sysfs.c
> b/drivers/remoteproc/remoteproc_sysfs.c
> index eea514cec50e..2d575e6c9eb8 100644
> --- a/drivers/remoteproc/remoteproc_sysfs.c
> +++ b/drivers/remoteproc/remoteproc_sysfs.c
> @@ -84,6 +84,7 @@ static const char * const rproc_state_string[] = {
>  	[RPROC_RUNNING]		= "running",
>  	[RPROC_CRASHED]		= "crashed",
>  	[RPROC_DELETED]		= "deleted",
> +	[RPROC_ATTACHED]	= "attached",
>  	[RPROC_DETACHED]	= "detached",
>  	[RPROC_LAST]		= "invalid",
>  };
> diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h index
> 2fa68bf5aa4f..4e107615121a 100644
> --- a/include/linux/remoteproc.h
> +++ b/include/linux/remoteproc.h
> @@ -403,6 +403,8 @@ struct rproc_ops {
>   * @RPROC_RUNNING:	device is up and running
>   * @RPROC_CRASHED:	device has crashed; need to start recovery
>   * @RPROC_DELETED:	device is deleted
> + * @RPROC_ATTACHED:	device has been booted by another entity and
> the core
> + *			has attached to it
>   * @RPROC_DETACHED:	device has been booted by another entity and
> waiting
>   *			for the core to attach to it
>   * @RPROC_LAST:		just keep this one at the end
> @@ -419,8 +421,9 @@ enum rproc_state {
>  	RPROC_RUNNING	= 2,
>  	RPROC_CRASHED	= 3,
>  	RPROC_DELETED	= 4,
> -	RPROC_DETACHED	= 5,
> -	RPROC_LAST	= 6,
> +	RPROC_ATTACHED	= 5,
> +	RPROC_DETACHED	= 6,
> +	RPROC_LAST	= 7,
>  };
> 
>  /**
> --

Reviewed-by: Peng Fan <peng.fan@nxp.com>

  reply index

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-26 16:45 [PATCH 00/13] remoteproc: Add support for detaching from rproc Mathieu Poirier
2020-08-26 16:45 ` [PATCH 01/13] remoteproc: Re-check state in rproc_shutdown() Mathieu Poirier
2020-10-15  1:28   ` Peng Fan
2020-08-26 16:45 ` [PATCH 02/13] remoteproc: Remove useless check in rproc_del() Mathieu Poirier
2020-10-15  1:29   ` Peng Fan
2020-08-26 16:45 ` [PATCH 03/13] remoteproc: Add new RPROC_ATTACHED state Mathieu Poirier
2020-10-15  1:31   ` Peng Fan [this message]
2020-08-26 16:45 ` [PATCH 04/13] remoteproc: Properly represent the attached state Mathieu Poirier
2020-10-15  1:33   ` Peng Fan
2020-08-26 16:45 ` [PATCH 05/13] remoteproc: Add new detach() remoteproc operation Mathieu Poirier
2020-10-15  1:37   ` Peng Fan
2020-10-22 21:51     ` Mathieu Poirier
2020-08-26 16:45 ` [PATCH 06/13] remoteproc: Introduce function __rproc_detach() Mathieu Poirier
2020-10-15  1:39   ` Peng Fan
2020-08-26 16:45 ` [PATCH 07/13] remoteproc: Introduce function rproc_detach() Mathieu Poirier
2020-10-15  1:52   ` Peng Fan
2020-10-22 21:55     ` Mathieu Poirier
2020-08-26 16:45 ` [PATCH 08/13] remoteproc: Rename function rproc_actuate() Mathieu Poirier
2020-10-15  2:15   ` Peng Fan
2020-08-26 16:45 ` [PATCH 09/13] remoteproc: Add return value to function rproc_shutdown() Mathieu Poirier
2020-10-15  2:21   ` Peng Fan
2020-08-26 16:45 ` [PATCH 10/13] remoteproc: Properly deal with a stop request when attached Mathieu Poirier
2020-10-15  2:29   ` Peng Fan
2020-08-26 16:45 ` [PATCH 11/13] remoteproc: Properly deal with detach request Mathieu Poirier
2020-10-15  2:30   ` Peng Fan
2020-08-26 16:45 ` [PATCH 12/13] remoteproc: Refactor rproc delete and cdev release path Mathieu Poirier
2020-10-15  2:31   ` Peng Fan
2020-08-26 16:45 ` [PATCH 13/13] remoteproc: Properly deal with a kernel panic when attached Mathieu Poirier
2020-10-15  2:28   ` Peng Fan
2020-09-01 16:55 ` [PATCH 00/13] remoteproc: Add support for detaching from rproc Arnaud POULIQUEN
2020-09-01 18:02   ` Mathieu Poirier

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