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Message-ID: <20240917171647.1403910-8-eajames@linux.ibm.com>
Date: Tue, 17 Sep 2024 12:16:39 -0500
From: Eddie James <eajames@...ux.ibm.com>
To: linux-fsi@...ts.ozlabs.org
Cc: linux-kernel@...r.kernel.org, alistair@...ple.id.au, joel@....id.au,
jk@...abs.org, andrew@...econstruct.com.au, eajames@...ux.ibm.com,
ninad@...ux.ibm.com
Subject: [PATCH 07/15] fsi: core: Add slave error trace
Trace out the FSI slave status and interrupt status.
Signed-off-by: Eddie James <eajames@...ux.ibm.com>
---
drivers/fsi/fsi-core.c | 1 +
include/trace/events/fsi.h | 19 +++++++++++++++++++
2 files changed, 20 insertions(+)
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c
index 5200078af8fd..8ce187bbaf22 100644
--- a/drivers/fsi/fsi-core.c
+++ b/drivers/fsi/fsi-core.c
@@ -185,6 +185,7 @@ static int fsi_slave_report_and_clear_errors(struct fsi_slave *slave)
dev_dbg(&slave->dev, "status: 0x%08x, sisc: 0x%08x\n",
be32_to_cpu(stat), be32_to_cpu(irq));
+ trace_fsi_slave_error(slave, be32_to_cpu(irq), be32_to_cpu(stat));
/* clear interrupts */
return fsi_master_write(master, link, id, FSI_SLAVE_BASE + FSI_SISC,
diff --git a/include/trace/events/fsi.h b/include/trace/events/fsi.h
index fed8835f438e..5509afc98ee8 100644
--- a/include/trace/events/fsi.h
+++ b/include/trace/events/fsi.h
@@ -115,6 +115,25 @@ TRACE_EVENT(fsi_master_unregister,
TP_printk("fsi%d (%d links)", __entry->master_idx, __entry->n_links)
);
+TRACE_EVENT(fsi_slave_error,
+ TP_PROTO(const struct fsi_slave *slave, uint32_t sisc, uint32_t sstat),
+ TP_ARGS(slave, sisc, sstat),
+ TP_STRUCT__entry(
+ __field(int, master_idx)
+ __field(int, link)
+ __field(uint32_t, sisc)
+ __field(uint32_t, sstat)
+ ),
+ TP_fast_assign(
+ __entry->master_idx = slave->master->idx;
+ __entry->link = slave->link;
+ __entry->sisc = sisc;
+ __entry->sstat = sstat;
+ ),
+ TP_printk("fsi%d:%02d sisc:%08x sstat:%08x", __entry->master_idx, __entry->link,
+ __entry->sisc, __entry->sstat)
+);
+
TRACE_EVENT(fsi_slave_init,
TP_PROTO(const struct fsi_slave *slave),
TP_ARGS(slave),
--
2.43.0
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