diff options
author | Eddie James <eajames@linux.ibm.com> | 2022-02-07 10:16:40 -0600 |
---|---|---|
committer | Joel Stanley <joel@jms.id.au> | 2022-02-21 19:38:54 +1030 |
commit | f2af60bb7ce2fa5397f401cbf65725d9c87329a4 (patch) | |
tree | f25b79d00dc27d0c47805d1e56b76ef27bbe067d | |
parent | a1dc6308865df719efb2a2f8a5f0f5979602d267 (diff) | |
download | linux-stable-f2af60bb7ce2fa5397f401cbf65725d9c87329a4.tar.gz linux-stable-f2af60bb7ce2fa5397f401cbf65725d9c87329a4.tar.bz2 linux-stable-f2af60bb7ce2fa5397f401cbf65725d9c87329a4.zip |
fsi: Add trace events in initialization path
Add definitions for trace events to show the scanning flow.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/20220207161640.35605-1-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
-rw-r--r-- | drivers/fsi/fsi-core.c | 11 | ||||
-rw-r--r-- | drivers/fsi/fsi-master-aspeed.c | 2 | ||||
-rw-r--r-- | include/trace/events/fsi.h | 86 | ||||
-rw-r--r-- | include/trace/events/fsi_master_aspeed.h | 12 |
4 files changed, 108 insertions, 3 deletions
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index 59ddc9fd5bca..3a7b78e36701 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -24,9 +24,6 @@ #include "fsi-master.h" -#define CREATE_TRACE_POINTS -#include <trace/events/fsi.h> - #define FSI_SLAVE_CONF_NEXT_MASK GENMASK(31, 31) #define FSI_SLAVE_CONF_SLOTS_MASK GENMASK(23, 16) #define FSI_SLAVE_CONF_SLOTS_SHIFT 16 @@ -95,6 +92,9 @@ struct fsi_slave { u8 t_echo_delay; }; +#define CREATE_TRACE_POINTS +#include <trace/events/fsi.h> + #define to_fsi_master(d) container_of(d, struct fsi_master, dev) #define to_fsi_slave(d) container_of(d, struct fsi_slave, dev) @@ -524,6 +524,8 @@ static int fsi_slave_scan(struct fsi_slave *slave) dev->addr = engine_addr; dev->size = slots * engine_page_size; + trace_fsi_dev_init(dev); + dev_dbg(&slave->dev, "engine[%i]: type %x, version %x, addr %x size %x\n", dev->unit, dev->engine_type, version, @@ -1006,6 +1008,7 @@ static int fsi_slave_init(struct fsi_master *master, int link, uint8_t id) crc = crc4(0, cfam_id, 32); if (crc) { + trace_fsi_slave_invalid_cfam(master, link, cfam_id); dev_warn(&master->dev, "slave %02x:%02x invalid cfam id CRC!\n", link, id); return -EIO; @@ -1080,6 +1083,8 @@ static int fsi_slave_init(struct fsi_master *master, int link, uint8_t id) if (rc) goto err_free; + trace_fsi_slave_init(slave); + /* Create chardev for userspace access */ cdev_init(&slave->cdev, &cfam_fops); rc = cdev_device_add(&slave->cdev, &slave->dev); diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c index 8606e55c1721..04fec1aab23c 100644 --- a/drivers/fsi/fsi-master-aspeed.c +++ b/drivers/fsi/fsi-master-aspeed.c @@ -449,11 +449,13 @@ static ssize_t cfam_reset_store(struct device *dev, struct device_attribute *att { struct fsi_master_aspeed *aspeed = dev_get_drvdata(dev); + trace_fsi_master_aspeed_cfam_reset(true); mutex_lock(&aspeed->lock); gpiod_set_value(aspeed->cfam_reset_gpio, 1); usleep_range(900, 1000); gpiod_set_value(aspeed->cfam_reset_gpio, 0); mutex_unlock(&aspeed->lock); + trace_fsi_master_aspeed_cfam_reset(false); return count; } diff --git a/include/trace/events/fsi.h b/include/trace/events/fsi.h index 9832cb8e0eb0..c9a72e8432b8 100644 --- a/include/trace/events/fsi.h +++ b/include/trace/events/fsi.h @@ -122,6 +122,92 @@ TRACE_EVENT(fsi_master_break, ) ); +TRACE_EVENT(fsi_slave_init, + TP_PROTO(const struct fsi_slave *slave), + TP_ARGS(slave), + TP_STRUCT__entry( + __field(int, master_idx) + __field(int, master_n_links) + __field(int, idx) + __field(int, link) + __field(int, chip_id) + __field(__u32, cfam_id) + __field(__u32, size) + ), + TP_fast_assign( + __entry->master_idx = slave->master->idx; + __entry->master_n_links = slave->master->n_links; + __entry->idx = slave->cdev_idx; + __entry->link = slave->link; + __entry->chip_id = slave->chip_id; + __entry->cfam_id = slave->cfam_id; + __entry->size = slave->size; + ), + TP_printk("fsi%d: idx:%d link:%d/%d cid:%d cfam:%08x %08x", + __entry->master_idx, + __entry->idx, + __entry->link, + __entry->master_n_links, + __entry->chip_id, + __entry->cfam_id, + __entry->size + ) +); + +TRACE_EVENT(fsi_slave_invalid_cfam, + TP_PROTO(const struct fsi_master *master, int link, uint32_t cfam_id), + TP_ARGS(master, link, cfam_id), + TP_STRUCT__entry( + __field(int, master_idx) + __field(int, master_n_links) + __field(int, link) + __field(__u32, cfam_id) + ), + TP_fast_assign( + __entry->master_idx = master->idx; + __entry->master_n_links = master->n_links; + __entry->link = link; + __entry->cfam_id = cfam_id; + ), + TP_printk("fsi%d: cfam:%08x link:%d/%d", + __entry->master_idx, + __entry->cfam_id, + __entry->link, + __entry->master_n_links + ) +); + +TRACE_EVENT(fsi_dev_init, + TP_PROTO(const struct fsi_device *dev), + TP_ARGS(dev), + TP_STRUCT__entry( + __field(int, master_idx) + __field(int, link) + __field(int, type) + __field(int, unit) + __field(int, version) + __field(__u32, addr) + __field(__u32, size) + ), + TP_fast_assign( + __entry->master_idx = dev->slave->master->idx; + __entry->link = dev->slave->link; + __entry->type = dev->engine_type; + __entry->unit = dev->unit; + __entry->version = dev->version; + __entry->addr = dev->addr; + __entry->size = dev->size; + ), + TP_printk("fsi%d: slv%d: t:%02x u:%02x v:%02x %08x@%08x", + __entry->master_idx, + __entry->link, + __entry->type, + __entry->unit, + __entry->version, + __entry->size, + __entry->addr + ) +); #endif /* _TRACE_FSI_H */ diff --git a/include/trace/events/fsi_master_aspeed.h b/include/trace/events/fsi_master_aspeed.h index a355ceacc33f..0fff873775f1 100644 --- a/include/trace/events/fsi_master_aspeed.h +++ b/include/trace/events/fsi_master_aspeed.h @@ -72,6 +72,18 @@ TRACE_EVENT(fsi_master_aspeed_opb_error, ) ); +TRACE_EVENT(fsi_master_aspeed_cfam_reset, + TP_PROTO(bool start), + TP_ARGS(start), + TP_STRUCT__entry( + __field(bool, start) + ), + TP_fast_assign( + __entry->start = start; + ), + TP_printk("%s", __entry->start ? "start" : "end") +); + #endif #include <trace/define_trace.h> |