From: Tero Kristo <t-kristo@ti.com> To: bjorn.andersson@linaro.org, ohad@wizery.com, linux-remoteproc@vger.kernel.org, afd@ti.com, s-anna@ti.com Cc: linux-kernel@vger.kernel.org, mathieu.poirier@linaro.org, linux-omap@vger.kernel.org, Tero Kristo <t-kristo@ti.com> Subject: [PATCHv7 13/15] remoteproc/omap: Report device exceptions and trigger recovery Date: Fri, 21 Feb 2020 12:19:34 +0200 [thread overview] Message-ID: <20200221101936.16833-14-t-kristo@ti.com> (raw) In-Reply-To: <20200221101936.16833-1-t-kristo@ti.com> From: Suman Anna <s-anna@ti.com> The OMAP remote processors send a special mailbox message (RP_MBOX_CRASH) when they crash and detect an internal device exception. Add support to the mailbox handling function upon detection of this special message to report this crash to the remoteproc core. The remoteproc core can trigger a recovery using the prevailing recovery mechanism, already in use for MMU Fault recovery. Co-developed-by: Subramaniam Chanderashekarapuram <subramaniam.ca@ti.com> Signed-off-by: Subramaniam Chanderashekarapuram <subramaniam.ca@ti.com> Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Tero Kristo <t-kristo@ti.com> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- drivers/remoteproc/omap_remoteproc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/omap_remoteproc.c b/drivers/remoteproc/omap_remoteproc.c index 1ac270df4d66..7dcb5da0d940 100644 --- a/drivers/remoteproc/omap_remoteproc.c +++ b/drivers/remoteproc/omap_remoteproc.c @@ -383,8 +383,12 @@ static void omap_rproc_mbox_callback(struct mbox_client *client, void *data) switch (msg) { case RP_MBOX_CRASH: - /* just log this for now. later, we'll also do recovery */ + /* + * remoteproc detected an exception, notify the rproc core. + * The remoteproc core will handle the recovery. + */ dev_err(dev, "omap rproc %s crashed\n", name); + rproc_report_crash(oproc->rproc, RPROC_FATAL_ERROR); break; case RP_MBOX_ECHO_REPLY: dev_info(dev, "received echo reply from %s\n", name); -- 2.17.1 -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
WARNING: multiple messages have this Message-ID (diff)
From: Tero Kristo <t-kristo@ti.com> To: <bjorn.andersson@linaro.org>, <ohad@wizery.com>, <linux-remoteproc@vger.kernel.org>, <afd@ti.com>, <s-anna@ti.com> Cc: <linux-kernel@vger.kernel.org>, <mathieu.poirier@linaro.org>, <linux-omap@vger.kernel.org>, Tero Kristo <t-kristo@ti.com> Subject: [PATCHv7 13/15] remoteproc/omap: Report device exceptions and trigger recovery Date: Fri, 21 Feb 2020 12:19:34 +0200 [thread overview] Message-ID: <20200221101936.16833-14-t-kristo@ti.com> (raw) In-Reply-To: <20200221101936.16833-1-t-kristo@ti.com> From: Suman Anna <s-anna@ti.com> The OMAP remote processors send a special mailbox message (RP_MBOX_CRASH) when they crash and detect an internal device exception. Add support to the mailbox handling function upon detection of this special message to report this crash to the remoteproc core. The remoteproc core can trigger a recovery using the prevailing recovery mechanism, already in use for MMU Fault recovery. Co-developed-by: Subramaniam Chanderashekarapuram <subramaniam.ca@ti.com> Signed-off-by: Subramaniam Chanderashekarapuram <subramaniam.ca@ti.com> Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Tero Kristo <t-kristo@ti.com> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- drivers/remoteproc/omap_remoteproc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/omap_remoteproc.c b/drivers/remoteproc/omap_remoteproc.c index 1ac270df4d66..7dcb5da0d940 100644 --- a/drivers/remoteproc/omap_remoteproc.c +++ b/drivers/remoteproc/omap_remoteproc.c @@ -383,8 +383,12 @@ static void omap_rproc_mbox_callback(struct mbox_client *client, void *data) switch (msg) { case RP_MBOX_CRASH: - /* just log this for now. later, we'll also do recovery */ + /* + * remoteproc detected an exception, notify the rproc core. + * The remoteproc core will handle the recovery. + */ dev_err(dev, "omap rproc %s crashed\n", name); + rproc_report_crash(oproc->rproc, RPROC_FATAL_ERROR); break; case RP_MBOX_ECHO_REPLY: dev_info(dev, "received echo reply from %s\n", name); -- 2.17.1 -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
next prev parent reply other threads:[~2020-02-21 10:19 UTC|newest] Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-02-21 10:19 [PATCHv7 00/15] remoteproc: updates for omap remoteproc support Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-02-21 10:19 ` [PATCHv7 01/15] dt-bindings: remoteproc: Add OMAP remoteproc bindings Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-02-21 10:19 ` [PATCHv7 02/15] remoteproc/omap: Add device tree support Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-03-03 22:53 ` Mathieu Poirier 2020-02-21 10:19 ` [PATCHv7 03/15] remoteproc/omap: Add a sanity check for DSP boot address alignment Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-03-03 22:56 ` Mathieu Poirier 2020-02-21 10:19 ` [PATCHv7 04/15] remoteproc/omap: Add support to parse internal memories from DT Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-02-24 14:15 ` Andrew F. Davis 2020-02-24 14:15 ` Andrew F. Davis 2020-02-26 7:48 ` Tero Kristo 2020-02-26 7:48 ` Tero Kristo 2020-03-04 17:32 ` Mathieu Poirier 2020-03-04 19:08 ` Tero Kristo 2020-03-04 19:08 ` Tero Kristo 2020-03-05 16:56 ` Mathieu Poirier 2020-02-21 10:19 ` [PATCHv7 05/15] remoteproc/omap: Add the rproc ops .da_to_va() implementation Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-03-04 17:36 ` Mathieu Poirier 2020-02-21 10:19 ` [PATCHv7 06/15] remoteproc/omap: Initialize and assign reserved memory node Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-03-04 17:42 ` Mathieu Poirier 2020-02-21 10:19 ` [PATCHv7 07/15] remoteproc/omap: Add support for DRA7xx remote processors Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-03-04 17:48 ` Mathieu Poirier 2020-03-05 17:51 ` Suman Anna 2020-03-05 17:51 ` Suman Anna 2020-02-21 10:19 ` [PATCHv7 08/15] remoteproc/omap: Remove the platform_data header Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-03-04 17:48 ` Mathieu Poirier 2020-02-21 10:19 ` [PATCHv7 09/15] remoteproc/omap: Check for undefined mailbox messages Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-03-04 17:49 ` Mathieu Poirier 2020-02-21 10:19 ` [PATCHv7 10/15] remoteproc/omap: Request a timer(s) for remoteproc usage Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-03-04 18:33 ` Mathieu Poirier 2020-02-21 10:19 ` [PATCHv7 11/15] remoteproc/omap: Add support for system suspend/resume Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-03-04 20:24 ` Mathieu Poirier 2020-02-21 10:19 ` [PATCHv7 12/15] remoteproc/omap: Add support for runtime auto-suspend/resume Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-03-04 21:35 ` Mathieu Poirier 2020-03-05 0:13 ` Suman Anna 2020-03-05 0:13 ` Suman Anna 2020-02-21 10:19 ` Tero Kristo [this message] 2020-02-21 10:19 ` [PATCHv7 13/15] remoteproc/omap: Report device exceptions and trigger recovery Tero Kristo 2020-03-04 21:38 ` Mathieu Poirier 2020-02-21 10:19 ` [PATCHv7 14/15] remoteproc/omap: Add watchdog functionality for remote processors Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-03-04 22:33 ` Mathieu Poirier 2020-03-05 0:20 ` Suman Anna 2020-03-05 0:20 ` Suman Anna 2020-03-05 17:13 ` Mathieu Poirier 2020-03-05 17:13 ` Mathieu Poirier 2020-02-21 10:19 ` [PATCHv7 15/15] remoteproc/omap: Switch to SPDX license identifiers Tero Kristo 2020-02-21 10:19 ` Tero Kristo 2020-03-04 22:42 ` Mathieu Poirier 2020-03-05 0:24 ` Suman Anna 2020-03-05 0:24 ` Suman Anna 2020-03-05 17:15 ` Mathieu Poirier
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