[PATCH v3 17/40] fsi: aspeed: Refactor trace functions

Eddie James
2024-05-16T18:20:04Z

Remove the opb error trace, add a timeout trace, and combine the
read/write traces.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
---
drivers/fsi/fsi-master-aspeed.c | 29 +++------
include/trace/events/fsi_master_aspeed.h | 80 ++++++++----------------
2 files changed, 34 insertions(+), 75 deletions(-)

diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c
index 29932037c9866..04aa5cb9b6fad 100644
--- a/drivers/fsi/fsi-master-aspeed.c
+++ b/drivers/fsi/fsi-master-aspeed.c
@@ -122,16 +122,17 @@ static int __opb_write(struct fsi_master_aspeed *aspeed, u32 addr,

status = readl(base + OPB0_STATUS);

- trace_fsi_master_aspeed_opb_write(addr, val, transfer_size, status, reg);
-
/* Return error when poll timed out */
- if (ret)
+ if (ret) {
+ trace_fsi_master_aspeed_timeout(reg, status, false);
return ret;
+ }

/* Command failed, master will reset */
if (status & STATUS_ERR_ACK)
return -EIO;

+ trace_fsi_master_aspeed_opb_xfer(addr, transfer_size + 1, val, false);
return 0;
}

@@ -175,13 +176,11 @@ static int __opb_read(struct fsi_master_aspeed *aspeed, uint32_t addr,

result = readl(base + OPB0_FSI_DATA_R);

- trace_fsi_master_aspeed_opb_read(addr, transfer_size, result,
- readl(base + OPB0_STATUS),
- reg);
-
/* Return error when poll timed out */
- if (ret)
+ if (ret) {
+ trace_fsi_master_aspeed_timeout(reg, status, true);
return ret;
+ }

/* Command failed, master will reset */
if (status & STATUS_ERR_ACK)
@@ -204,6 +203,7 @@ static int __opb_read(struct fsi_master_aspeed *aspeed, uint32_t addr,

}

+ trace_fsi_master_aspeed_opb_xfer(addr, transfer_size + 1, result, true);
return 0;
}

@@ -226,19 +226,6 @@ static int check_errors(struct fsi_master_aspeed *aspeed, int err)
{
int ret;

- if (trace_fsi_master_aspeed_opb_error_enabled()) {
- __be32 mresp0, mstap0, mesrb0;
-
- opb_readl(aspeed, ctrl_base + FSI_MRESP0, &mresp0);
- opb_readl(aspeed, ctrl_base + FSI_MSTAP0, &mstap0);
- opb_readl(aspeed, ctrl_base + FSI_MESRB0, &mesrb0);
-
- trace_fsi_master_aspeed_opb_error(
- be32_to_cpu(mresp0),
- be32_to_cpu(mstap0),
- be32_to_cpu(mesrb0));
- }
-
if (err == -EIO) {
/* Check MAEB (0x70) ? */

diff --git a/include/trace/events/fsi_master_aspeed.h b/include/trace/events/fsi_master_aspeed.h
index 0fff873775f19..7eeecbfec7f09 100644
--- a/include/trace/events/fsi_master_aspeed.h
+++ b/include/trace/events/fsi_master_aspeed.h
@@ -8,69 +8,41 @@

#include <linux/tracepoint.h>

-TRACE_EVENT(fsi_master_aspeed_opb_read,
- TP_PROTO(uint32_t addr, size_t size, uint32_t result, uint32_t status, uint32_t irq_status),
- TP_ARGS(addr, size, result, status, irq_status),
+TRACE_EVENT(fsi_master_aspeed_opb_xfer,
+ TP_PROTO(uint32_t addr, uint32_t size, uint32_t data, bool read),
+ TP_ARGS(addr, size, data, read),
TP_STRUCT__entry(
- __field(uint32_t, addr)
- __field(size_t, size)
- __field(uint32_t, result)
- __field(uint32_t, status)
- __field(uint32_t, irq_status)
- ),
+ __field(uint32_t, addr)
+ __field(uint32_t, size)
+ __field(uint32_t, data)
+ __field(bool, read)
+ ),
TP_fast_assign(
__entry->addr = addr;
__entry->size = size;
- __entry->result = result;
- __entry->status = status;
- __entry->irq_status = irq_status;
- ),
- TP_printk("addr %08x size %zu: result %08x sts: %08x irq_sts: %08x",
- __entry->addr, __entry->size, __entry->result,
- __entry->status, __entry->irq_status
- )
+ __entry->data = data;
+ __entry->read = read;
+ ),
+ TP_printk("%s addr %08x size %u data %08x", __entry->read ? "read" : "write",
+ __entry->addr, __entry->size, __entry->data)
);

-TRACE_EVENT(fsi_master_aspeed_opb_write,
- TP_PROTO(uint32_t addr, uint32_t val, size_t size, uint32_t status, uint32_t irq_status),
- TP_ARGS(addr, val, size, status, irq_status),
+TRACE_EVENT(fsi_master_aspeed_timeout,
+ TP_PROTO(uint32_t irq, uint32_t status, bool read),
+ TP_ARGS(irq, status, read),
TP_STRUCT__entry(
- __field(uint32_t, addr)
- __field(uint32_t, val)
- __field(size_t, size)
- __field(uint32_t, status)
- __field(uint32_t, irq_status)
- ),
+ __field(uint32_t, irq)
+ __field(uint32_t, status)
+ __field(bool, read)
+ ),
TP_fast_assign(
- __entry->addr = addr;
- __entry->val = val;
- __entry->size = size;
+ __entry->irq = irq;
__entry->status = status;
- __entry->irq_status = irq_status;
- ),
- TP_printk("addr %08x val %08x size %zu status: %08x irq_sts: %08x",
- __entry->addr, __entry->val, __entry->size,
- __entry->status, __entry->irq_status
- )
- );
-
-TRACE_EVENT(fsi_master_aspeed_opb_error,
- TP_PROTO(uint32_t mresp0, uint32_t mstap0, uint32_t mesrb0),
- TP_ARGS(mresp0, mstap0, mesrb0),
- TP_STRUCT__entry(
- __field(uint32_t, mresp0)
- __field(uint32_t, mstap0)
- __field(uint32_t, mesrb0)
- ),
- TP_fast_assign(
- __entry->mresp0 = mresp0;
- __entry->mstap0 = mstap0;
- __entry->mesrb0 = mesrb0;
- ),
- TP_printk("mresp0 %08x mstap0 %08x mesrb0 %08x",
- __entry->mresp0, __entry->mstap0, __entry->mesrb0
- )
- );
+ __entry->read = read;
+ ),
+ TP_printk("%s irq %08x status %08x", __entry->read ? "read" : "write", __entry->irq,
+ __entry->status)
+);

TRACE_EVENT(fsi_master_aspeed_cfam_reset,
TP_PROTO(bool start),
--
2.39.3