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hw/char/serial: Replace commented DPRINTF() by trace event 

Convert the old debug PRINTF() call to display the UART
baudrate to a trace event.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200907015535.827885-3-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2020-09-07 03:55:30 +02:00 committed by Paolo Bonzini
parent 6ab9be1ec1
commit 4d7b9a6373
2 changed files with 2 additions and 3 deletions
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4
hw/char/serial.c
View File

@ -187,9 +187,7 @@ static void serial_update_parameters(SerialState *s)
ssp.stop_bits = stop_bits;
s->char_transmit_time = (NANOSECONDS_PER_SECOND / speed) * frame_size;
qemu_chr_fe_ioctl(&s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp);
DPRINTF("speed=%.2f parity=%c data=%d stop=%d\n",
speed, parity, data_bits, stop_bits);
trace_serial_update_parameters(speed, parity, data_bits, stop_bits);
}
static void serial_update_msl(SerialState *s)

1
hw/char/trace-events
View File

@ -7,6 +7,7 @@ parallel_ioport_write(const char *desc, uint16_t addr, uint8_t value) "write [%s
# serial.c
serial_ioport_read(uint16_t addr, uint8_t value) "read addr 0x%02x val 0x%02x"
serial_ioport_write(uint16_t addr, uint8_t value) "write addr 0x%02x val 0x%02x"
serial_update_parameters(uint64_t baudrate, char parity, int data_bits, int stop_bits) "baudrate=%"PRIu64" parity='%c' data=%d stop=%d"
# virtio-serial-bus.c
virtio_serial_send_control_event(unsigned int port, uint16_t event, uint16_t value) "port %u, event %u, value %u"