fsi: aspeed: Add trace points (913b7373) · Commits · 戴 / test

drivers/fsi/fsi-master-aspeed.c

+22 −0

Original line number	Diff line number	Diff line
		@@ -77,6 +77,9 @@ static const u32 fsi_base = 0xa0000000;
		#define XFER_HALFWORD (BIT(0))
		#define XFER_BYTE (0)

		#define CREATE_TRACE_POINTS
		#include <trace/events/fsi_master_aspeed.h>

		#define FSI_LINK_ENABLE_SETUP_TIME 10 /* in mS */

		#define DEFAULT_DIVISOR 14
		@@ -102,6 +105,8 @@ 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)
		return ret;
		@@ -149,6 +154,10 @@ 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)
		return ret;
		@@ -196,6 +205,19 @@ 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) ? */

include/trace/events/fsi_master_aspeed.h

0 → 100644

+77 −0

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0-or-later */

		#undef TRACE_SYSTEM
		#define TRACE_SYSTEM fsi_master_aspeed

		#if !defined(_TRACE_FSI_MASTER_ASPEED_H) \|\| defined(TRACE_HEADER_MULTI_READ)
		#define _TRACE_FSI_MASTER_ASPEED_H

		#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),
		TP_STRUCT__entry(
		__field(uint32_t, addr)
		__field(size_t, size)
		__field(uint32_t, result)
		__field(uint32_t, status)
		__field(uint32_t, irq_status)
		),
		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
		)
		);

		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),
		TP_STRUCT__entry(
		__field(uint32_t, addr)
		__field(uint32_t, val)
		__field(size_t, size)
		__field(uint32_t, status)
		__field(uint32_t, irq_status)
		),
		TP_fast_assign(
		__entry->addr = addr;
		__entry->val = val;
		__entry->size = size;
		__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
		)
		);

		#endif

		#include <trace/define_trace.h>

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