From: Arnaud POULIQUEN <arnaud.pouliquen@st.com>
To: Mathieu Poirier <mathieu.poirier@linaro.org>,
"ohad@wizery.com" <ohad@wizery.com>,
"bjorn.andersson@linaro.org" <bjorn.andersson@linaro.org>,
"robh+dt@kernel.org" <robh+dt@kernel.org>
Cc: "linux-remoteproc@vger.kernel.org"
<linux-remoteproc@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 07/15] remoteproc: Add new detach() remoteproc operation
Date: Wed, 2 Dec 2020 19:13:30 +0100 [thread overview]
Message-ID: <b67a7501-c54c-34c9-1047-e599d5ef9b2f@st.com> (raw)
In-Reply-To: <20201126210642.897302-8-mathieu.poirier@linaro.org>
Hi Mathieu
On 11/26/20 10:06 PM, Mathieu Poirier wrote:
> Add an new detach() operation in order to support scenarios where
> the remoteproc core is going away but the remote processor is
> kept operating. This could be the case when the system is
> rebooted or when the platform driver is removed.
>
> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
> Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Thanks,
Arnaud
> ---
> include/linux/remoteproc.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
> index 9be112b5c09d..da15b77583d3 100644
> --- a/include/linux/remoteproc.h
> +++ b/include/linux/remoteproc.h
> @@ -361,6 +361,7 @@ enum rsc_handling_status {
> * @start: power on the device and boot it
> * @stop: power off the device
> * @attach: attach to a device that his already powered up
> + * @detach: detach from a device, leaving it powered up
> * @kick: kick a virtqueue (virtqueue id given as a parameter)
> * @da_to_va: optional platform hook to perform address translations
> * @parse_fw: parse firmware to extract information (e.g. resource table)
> @@ -382,6 +383,7 @@ struct rproc_ops {
> int (*start)(struct rproc *rproc);
> int (*stop)(struct rproc *rproc);
> int (*attach)(struct rproc *rproc);
> + int (*detach)(struct rproc *rproc);
> void (*kick)(struct rproc *rproc, int vqid);
> void * (*da_to_va)(struct rproc *rproc, u64 da, size_t len);
> int (*parse_fw)(struct rproc *rproc, const struct firmware *fw);
>
next prev parent reply other threads:[~2020-12-02 18:14 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-26 21:06 [PATCH v3 00/15] remoteproc: Add support for detaching from rproc Mathieu Poirier
2020-11-26 21:06 ` [PATCH v3 01/15] dt-bindings: remoteproc: Add bindind to support autonomous processors Mathieu Poirier
2020-11-30 17:23 ` Rob Herring
2020-11-30 17:33 ` Rob Herring
2020-12-01 23:43 ` Mathieu Poirier
2020-12-10 23:10 ` Rob Herring
2020-11-26 21:06 ` [PATCH v3 02/15] remoteproc: Re-check state in rproc_shutdown() Mathieu Poirier
2020-11-26 21:06 ` [PATCH v3 03/15] remoteproc: Remove useless check in rproc_del() Mathieu Poirier
2020-11-26 21:06 ` [PATCH v3 04/15] remoteproc: Add new RPROC_ATTACHED state Mathieu Poirier
2020-11-26 21:06 ` [PATCH v3 05/15] remoteproc: Properly represent the attached state Mathieu Poirier
2020-11-26 21:06 ` [PATCH v3 06/15] remoteproc: Properly deal with a kernel panic when attached Mathieu Poirier
2020-11-26 21:06 ` [PATCH v3 07/15] remoteproc: Add new detach() remoteproc operation Mathieu Poirier
2020-12-02 18:13 ` Arnaud POULIQUEN [this message]
2020-11-26 21:06 ` [PATCH v3 08/15] remoteproc: Introduce function __rproc_detach() Mathieu Poirier
2020-11-26 21:06 ` [PATCH v3 09/15] remoteproc: Introduce function rproc_detach() Mathieu Poirier
2020-12-08 18:35 ` Arnaud POULIQUEN
2020-12-08 20:25 ` Mathieu Poirier
2020-12-09 0:53 ` Mathieu Poirier
2020-12-09 8:45 ` Arnaud POULIQUEN
2020-12-09 21:18 ` Mathieu Poirier
2020-12-10 8:51 ` Arnaud POULIQUEN
2020-11-26 21:06 ` [PATCH v3 10/15] remoteproc: Rename function rproc_actuate() Mathieu Poirier
2020-11-26 21:06 ` [PATCH v3 11/15] remoteproc: Add return value to function rproc_shutdown() Mathieu Poirier
2020-12-02 18:14 ` Arnaud POULIQUEN
2020-11-26 21:06 ` [PATCH v3 12/15] remoteproc: Properly deal with a stop request when attached Mathieu Poirier
2020-11-26 21:06 ` [PATCH v3 13/15] remoteproc: Properly deal with a start " Mathieu Poirier
2020-12-02 18:14 ` Arnaud POULIQUEN
2020-11-26 21:06 ` [PATCH v3 14/15] remoteproc: Properly deal with detach request Mathieu Poirier
2020-12-09 8:47 ` Arnaud POULIQUEN
2020-11-26 21:06 ` [PATCH v3 15/15] remoteproc: Refactor rproc delete and cdev release path Mathieu Poirier
2020-12-09 10:13 ` Arnaud POULIQUEN
2020-12-09 21:34 ` Mathieu Poirier
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