From: Arnaud POULIQUEN <arnaud.pouliquen@st.com>
To: Mathieu Poirier <mathieu.poirier@linaro.org>,
<bjorn.andersson@linaro.org>, <ohad@wizery.com>
Cc: <loic.pallardy@st.com>, <s-anna@ti.com>,
<linux-remoteproc@vger.kernel.org>, <corbet@lwn.net>,
<linux-doc@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 06/14] remoteproc: Refactor function rproc_trigger_auto_boot()
Date: Tue, 28 Apr 2020 19:00:46 +0200 [thread overview]
Message-ID: <4b20ea71-2787-c063-7ae0-dc44fed5252a@st.com> (raw)
In-Reply-To: <20200424200135.28825-7-mathieu.poirier@linaro.org>
On 4/24/20 10:01 PM, Mathieu Poirier wrote:
> Refactor function rproc_trigger_auto_boot() so that it can deal with
> scenarios where the remote processor is already running. As such give
> it a new name to better represent the capabilities and add a call to
> rproc_boot() if instructed by the platform code to synchronise with the
> remote processor rather than boot it from scratch.
>
> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
> ---
> drivers/remoteproc/remoteproc_core.c | 16 +++++++++++++---
> 1 file changed, 13 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
> index e90a21de9de1..9de0e2b7ca2b 100644
> --- a/drivers/remoteproc/remoteproc_core.c
> +++ b/drivers/remoteproc/remoteproc_core.c
> @@ -1457,10 +1457,17 @@ static void rproc_auto_boot_callback(const struct firmware *fw, void *context)
> release_firmware(fw);
> }
>
> -static int rproc_trigger_auto_boot(struct rproc *rproc)
> +static int rproc_trigger_auto_initiate(struct rproc *rproc)
> {
> int ret;
>
> + /*
> + * If the remote processor is already booted, all we need to do is
> + * synchronise it it. No point in dealing with a firmware image.
typo: suppress double "it" and double space.
> + */
> + if (rproc_needs_syncing(rproc))
> + return rproc_boot(rproc);
> +
> /*
> * We're initiating an asynchronous firmware loading, so we can
> * be built-in kernel code, without hanging the boot process.
> @@ -1971,9 +1978,12 @@ int rproc_add(struct rproc *rproc)
> /* create debugfs entries */
> rproc_create_debug_dir(rproc);
>
> - /* if rproc is marked always-on, request it to boot */
> + /*
> + * If the auto boot flag is set, request to boot the remote
> + * processor or synchronise with it.
> + */
> if (rproc->auto_boot) {
> - ret = rproc_trigger_auto_boot(rproc);
> + ret = rproc_trigger_auto_initiate(rproc);
> if (ret < 0)
> return ret;
> }
>
next prev parent reply other threads:[~2020-04-28 17:00 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-24 20:01 [PATCH v3 00/14] remoteproc: Add support for synchronisaton with rproc Mathieu Poirier
2020-04-24 20:01 ` [PATCH v3 01/14] remoteproc: Make core operations optional Mathieu Poirier
2020-04-28 16:18 ` Arnaud POULIQUEN
2020-04-30 19:39 ` Mathieu Poirier
2020-05-05 22:16 ` Bjorn Andersson
2020-05-08 19:09 ` Mathieu Poirier
2020-04-24 20:01 ` [PATCH v3 02/14] remoteproc: Introduce function rproc_alloc_internals() Mathieu Poirier
2020-05-05 22:31 ` Bjorn Andersson
2020-05-08 19:37 ` Mathieu Poirier
2020-04-24 20:01 ` [PATCH v3 03/14] remoteproc: Add new operation and flags for synchronistation Mathieu Poirier
2020-04-28 16:38 ` Arnaud POULIQUEN
2020-04-30 19:49 ` Mathieu Poirier
2020-05-06 0:22 ` Bjorn Andersson
2020-05-08 21:01 ` Mathieu Poirier
2020-05-14 1:32 ` Bjorn Andersson
2020-05-15 19:24 ` Mathieu Poirier
2020-05-19 0:55 ` Bjorn Andersson
2020-05-20 22:06 ` Mathieu Poirier
2020-05-21 5:21 ` Bjorn Andersson
2020-05-21 21:55 ` Mathieu Poirier
2020-04-24 20:01 ` [PATCH v3 04/14] remoteproc: Refactor function rproc_boot() Mathieu Poirier
2020-04-24 20:01 ` [PATCH v3 05/14] remoteproc: Refactor function rproc_fw_boot() Mathieu Poirier
2020-05-06 0:33 ` Bjorn Andersson
2020-05-08 21:27 ` Mathieu Poirier
2020-05-14 2:10 ` Bjorn Andersson
2020-05-15 19:46 ` Mathieu Poirier
2020-05-19 0:22 ` Bjorn Andersson
2020-04-24 20:01 ` [PATCH v3 06/14] remoteproc: Refactor function rproc_trigger_auto_boot() Mathieu Poirier
2020-04-28 17:00 ` Arnaud POULIQUEN [this message]
2020-04-24 20:01 ` [PATCH v3 07/14] remoteproc: Introducting new start and stop functions Mathieu Poirier
2020-05-06 0:42 ` Bjorn Andersson
2020-04-24 20:01 ` [PATCH v3 08/14] remoteproc: Call core functions based on synchronisation flag Mathieu Poirier
2020-04-28 17:27 ` Arnaud POULIQUEN
2020-04-30 19:57 ` Mathieu Poirier
2020-05-04 11:14 ` Arnaud POULIQUEN
2020-05-05 22:10 ` Mathieu Poirier
2020-04-24 20:01 ` [PATCH v3 09/14] remoteproc: Deal with synchronisation when crashing Mathieu Poirier
2020-04-29 7:44 ` Arnaud POULIQUEN
2020-04-30 20:11 ` Mathieu Poirier
2020-05-06 1:01 ` Bjorn Andersson
2020-05-08 21:47 ` Mathieu Poirier
2020-04-24 20:01 ` [PATCH v3 10/14] remoteproc: Deal with synchronisation when shutting down Mathieu Poirier
2020-04-29 8:19 ` Arnaud POULIQUEN
2020-04-30 20:23 ` Mathieu Poirier
2020-05-04 11:34 ` Arnaud POULIQUEN
2020-05-05 22:03 ` Mathieu Poirier
2020-05-06 7:51 ` Arnaud POULIQUEN
2020-05-06 1:10 ` Bjorn Andersson
2020-04-24 20:01 ` [PATCH v3 11/14] remoteproc: Deal with synchronisation when changing FW image Mathieu Poirier
2020-04-29 8:52 ` Arnaud POULIQUEN
2020-04-30 20:32 ` Mathieu Poirier
2020-05-06 1:27 ` Bjorn Andersson
2020-04-24 20:01 ` [PATCH v3 12/14] remoteproc: Introducing function rproc_set_state_machine() Mathieu Poirier
2020-04-29 9:22 ` Arnaud POULIQUEN
2020-04-29 14:38 ` Arnaud POULIQUEN
2020-04-30 20:51 ` Mathieu Poirier
2020-05-04 12:00 ` Arnaud POULIQUEN
2020-04-30 20:42 ` Mathieu Poirier
2020-05-04 11:57 ` Arnaud POULIQUEN
2020-05-05 21:43 ` Mathieu Poirier
2020-04-24 20:01 ` [PATCH v3 13/14] remoteproc: Document " Mathieu Poirier
2020-04-24 20:01 ` [PATCH v3 14/14] remoteproc: Expose synchronisation flags via debugfs Mathieu Poirier
2020-05-18 13:28 ` [PATCH v3 00/14] remoteproc: Add support for synchronisaton with rproc Peng Fan
2020-05-18 16:29 ` Mathieu Poirier
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