Add trace event trace_loongarch_pch_pic_read(), replaces the following
three events:
  trace_loongarch_pch_pic_low_readw()
  trace_loongarch_pch_pic_high_readw()
  trace_loongarch_pch_pic_readb()
The similiar with write trace event.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
---
 hw/intc/loongarch_pch_pic.c | 24 ++++++------------------
 hw/intc/trace-events        |  8 ++------
 2 files changed, 8 insertions(+), 24 deletions(-)

diff --git a/hw/intc/loongarch_pch_pic.c b/hw/intc/loongarch_pch_pic.c
index bc4dd697d2..ff1e5992bd 100644
--- a/hw/intc/loongarch_pch_pic.c
+++ b/hw/intc/loongarch_pch_pic.c
@@ -200,12 +200,15 @@ static uint64_t loongarch_pch_pic_read(void *opaque, hwaddr addr,
         break;
     }
 
+    trace_loongarch_pch_pic_read(size, addr, val);
     return val;
 }
 
 static void loongarch_pch_pic_write(void *opaque, hwaddr addr,
                                     uint64_t value, unsigned size)
 {
+    trace_loongarch_pch_pic_write(size, addr, value);
+
     switch (size) {
     case 1:
         pch_pic_write(opaque, addr, value, 0xFF);
@@ -230,55 +233,40 @@ static void loongarch_pch_pic_write(void *opaque, hwaddr addr,
 static uint64_t loongarch_pch_pic_low_readw(void *opaque, hwaddr addr,
                                             unsigned size)
 {
-    uint64_t val;
-
-    val = loongarch_pch_pic_read(opaque, addr, size);
-    trace_loongarch_pch_pic_low_readw(size, addr, val);
-    return val;
+    return loongarch_pch_pic_read(opaque, addr, size);
 }
 
 static void loongarch_pch_pic_low_writew(void *opaque, hwaddr addr,
                                          uint64_t value, unsigned size)
 {
-    trace_loongarch_pch_pic_low_writew(size, addr, value);
     loongarch_pch_pic_write(opaque, addr, value, size);
 }
 
 static uint64_t loongarch_pch_pic_high_readw(void *opaque, hwaddr addr,
                                         unsigned size)
 {
-    uint64_t val;
-
     addr += PCH_PIC_INT_STATUS;
-    val = loongarch_pch_pic_read(opaque, addr, size);
-    trace_loongarch_pch_pic_high_readw(size, addr, val);
-    return val;
+    return loongarch_pch_pic_read(opaque, addr, size);
 }
 
 static void loongarch_pch_pic_high_writew(void *opaque, hwaddr addr,
                                      uint64_t value, unsigned size)
 {
     addr += PCH_PIC_INT_STATUS;
-    trace_loongarch_pch_pic_high_writew(size, addr, value);
     loongarch_pch_pic_write(opaque, addr, value, size);
 }
 
 static uint64_t loongarch_pch_pic_readb(void *opaque, hwaddr addr,
                                         unsigned size)
 {
-    uint64_t val;
-
     addr += PCH_PIC_ROUTE_ENTRY;
-    val = loongarch_pch_pic_read(opaque, addr, size);
-    trace_loongarch_pch_pic_readb(size, addr, val);
-    return val;
+    return loongarch_pch_pic_read(opaque, addr, size);
 }
 
 static void loongarch_pch_pic_writeb(void *opaque, hwaddr addr,
                                      uint64_t data, unsigned size)
 {
     addr += PCH_PIC_ROUTE_ENTRY;
-    trace_loongarch_pch_pic_writeb(size, addr, data);
     loongarch_pch_pic_write(opaque, addr, data, size);
 }
 
diff --git a/hw/intc/trace-events b/hw/intc/trace-events
index 0ba9a02e73..334aa6a97b 100644
--- a/hw/intc/trace-events
+++ b/hw/intc/trace-events
@@ -314,12 +314,8 @@ loongson_ipi_read(unsigned size, uint64_t addr, uint64_t val) "size: %u addr: 0x
 loongson_ipi_write(unsigned size, uint64_t addr, uint64_t val) "size: %u addr: 0x%"PRIx64 "val: 0x%"PRIx64
 # loongarch_pch_pic.c
 loongarch_pch_pic_irq_handler(int irq, int level) "irq %d level %d"
-loongarch_pch_pic_low_readw(unsigned size, uint64_t addr, uint64_t val) "size: %u addr: 0x%"PRIx64 "val: 0x%" PRIx64
-loongarch_pch_pic_low_writew(unsigned size, uint64_t addr, uint64_t val) "size: %u addr: 0x%"PRIx64 "val: 0x%" PRIx64
-loongarch_pch_pic_high_readw(unsigned size, uint64_t addr, uint64_t val) "size: %u addr: 0x%"PRIx64 "val: 0x%" PRIx64
-loongarch_pch_pic_high_writew(unsigned size, uint64_t addr, uint64_t val) "size: %u addr: 0x%"PRIx64 "val: 0x%" PRIx64
-loongarch_pch_pic_readb(unsigned size, uint64_t addr, uint64_t val) "size: %u addr: 0x%"PRIx64 "val: 0x%" PRIx64
-loongarch_pch_pic_writeb(unsigned size, uint64_t addr, uint64_t val) "size: %u addr: 0x%"PRIx64 "val: 0x%" PRIx64
+loongarch_pch_pic_read(unsigned size, uint64_t addr, uint64_t val) "size: %u addr: 0x%"PRIx64 "val: 0x%" PRIx64
+loongarch_pch_pic_write(unsigned size, uint64_t addr, uint64_t val) "size: %u addr: 0x%"PRIx64 "val: 0x%" PRIx64
 
 # loongarch_pch_msi.c
 loongarch_msi_set_irq(int irq_num) "set msi irq %d"
-- 
2.39.3