From: Frank Li <Frank.Li@nxp.com> To: miquel.raynal@bootlin.com Cc: Frank.Li@nxp.com, alexandre.belloni@bootlin.com, conor.culhane@silvaco.com, imx@lists.linux.dev, joe@perches.com, linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 5/6] i3c: master: svc: fix SDA keep low when polling IBIWON timeout happen Date: Thu, 19 Oct 2023 18:27:24 -0400 [thread overview] Message-ID: <20231019222725.3598022-6-Frank.Li@nxp.com> (raw) In-Reply-To: <20231019222725.3598022-1-Frank.Li@nxp.com> Upon IBIWON timeout, the SDA line will always be kept low if we don't emit a stop. Calling svc_i3c_master_emit_stop() there will let the bus return to idle state. Call svc_i3c_master_emit_stop() to let i3c bus come back to idle statue when IBIWON timeout happen. Fixes: dd3c52846d59 ("i3c: master: svc: Add Silvaco I3C master driver") Cc: stable@vger.kernel.org Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Frank Li <Frank.Li@nxp.com> --- Notes: Change from v2 to v3 - Update commit message and add review tag Change from v1 to v2 - Update commite message Change from v1 to v2 - Update commite message drivers/i3c/master/svc-i3c-master.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c index b113460f059c3..1a57fdebaa26d 100644 --- a/drivers/i3c/master/svc-i3c-master.c +++ b/drivers/i3c/master/svc-i3c-master.c @@ -404,6 +404,7 @@ static void svc_i3c_master_ibi_work(struct work_struct *work) SVC_I3C_MSTATUS_IBIWON(val), 0, 1000); if (ret) { dev_err(master->dev, "Timeout when polling for IBIWON\n"); + svc_i3c_master_emit_stop(master); goto reenable_ibis; } -- 2.34.1
WARNING: multiple messages have this Message-ID (diff)
From: Frank Li <Frank.Li@nxp.com> To: miquel.raynal@bootlin.com Cc: Frank.Li@nxp.com, alexandre.belloni@bootlin.com, conor.culhane@silvaco.com, imx@lists.linux.dev, joe@perches.com, linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 5/6] i3c: master: svc: fix SDA keep low when polling IBIWON timeout happen Date: Thu, 19 Oct 2023 18:27:24 -0400 [thread overview] Message-ID: <20231019222725.3598022-6-Frank.Li@nxp.com> (raw) In-Reply-To: <20231019222725.3598022-1-Frank.Li@nxp.com> Upon IBIWON timeout, the SDA line will always be kept low if we don't emit a stop. Calling svc_i3c_master_emit_stop() there will let the bus return to idle state. Call svc_i3c_master_emit_stop() to let i3c bus come back to idle statue when IBIWON timeout happen. Fixes: dd3c52846d59 ("i3c: master: svc: Add Silvaco I3C master driver") Cc: stable@vger.kernel.org Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Frank Li <Frank.Li@nxp.com> --- Notes: Change from v2 to v3 - Update commit message and add review tag Change from v1 to v2 - Update commite message Change from v1 to v2 - Update commite message drivers/i3c/master/svc-i3c-master.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c index b113460f059c3..1a57fdebaa26d 100644 --- a/drivers/i3c/master/svc-i3c-master.c +++ b/drivers/i3c/master/svc-i3c-master.c @@ -404,6 +404,7 @@ static void svc_i3c_master_ibi_work(struct work_struct *work) SVC_I3C_MSTATUS_IBIWON(val), 0, 1000); if (ret) { dev_err(master->dev, "Timeout when polling for IBIWON\n"); + svc_i3c_master_emit_stop(master); goto reenable_ibis; } -- 2.34.1 -- linux-i3c mailing list linux-i3c@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-i3c
next prev parent reply other threads:[~2023-10-19 22:28 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-10-19 22:27 [PATCH v3 0/6] i3c: master: svc: collection of bugs fixes Frank Li 2023-10-19 22:27 ` Frank Li 2023-10-19 22:27 ` [PATCH v3 1/6] i3c: master: svc: fix race condition in ibi work thread Frank Li 2023-10-19 22:27 ` Frank Li 2023-10-19 22:27 ` [PATCH v3 2/6] i3c: master: svc: fix wrong data return when IBI happen during start frame Frank Li 2023-10-19 22:27 ` Frank Li 2023-10-20 13:56 ` Miquel Raynal 2023-10-20 13:56 ` Miquel Raynal 2023-10-19 22:27 ` [PATCH v3 3/6] i3c: master: svc: fix ibi may not return mandatory data byte Frank Li 2023-10-19 22:27 ` Frank Li 2023-10-20 13:49 ` Miquel Raynal 2023-10-20 13:49 ` Miquel Raynal 2023-10-19 22:27 ` [PATCH v3 4/6] i3c: master: svc: fix check wrong status register in irq handler Frank Li 2023-10-19 22:27 ` Frank Li 2023-10-20 13:50 ` Miquel Raynal 2023-10-20 13:50 ` Miquel Raynal 2023-10-19 22:27 ` Frank Li [this message] 2023-10-19 22:27 ` [PATCH v3 5/6] i3c: master: svc: fix SDA keep low when polling IBIWON timeout happen Frank Li 2023-10-20 0:28 ` Frank Li 2023-10-20 0:28 ` Frank Li 2023-10-19 22:27 ` [PATCH v3 6/6] i3c: master: svc: fix random hot join failure since timeout error Frank Li 2023-10-19 22:27 ` Frank Li
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