mirror of
https://github.com/torvalds/linux.git
synced 2024-11-11 06:31:49 +00:00
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>
This commit is contained in:
Eddie James
Joel Stanley
parent
a1dc630886
commit
f2af60bb7c
@ -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);
|
||||
|
||||
@ -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;
|
||||
}
|
||||
|
||||
@ -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 */
|
||||
|
||||
|
||||
@ -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>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user