hw/char/serial: Remove old DEBUG_SERIAL commented code

All useful DPRINTF() calls have been converted to trace
events.  Remove a pointless one in the IOEventHandler,
and drop the DEBUG_SERIAL ifdef'ry.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200907015535.827885-4-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/hw/char/serial.c b/hw/char/serial.c
index e8029f840acde6a2255c32a094eadcb3b6f8c56a..26f7fa8a212cd28bed061081567b244f6f04cf3a 100644 (file)
--- a/hw/char/serial.c
+++ b/hw/char/serial.c
@@ -36,8 +36,6 @@
 #include "trace.h"
 #include "hw/qdev-properties.h"
 
-//#define DEBUG_SERIAL
-
 #define UART_LCR_DLAB  0x80    /* Divisor latch access bit */
 
 #define UART_IER_MSI   0x08    /* Enable Modem status interrupt */
@@ -102,14 +100,6 @@
 
 #define MAX_XMIT_RETRY      4
 
-#ifdef DEBUG_SERIAL
-#define DPRINTF(fmt, ...) \
-do { fprintf(stderr, "serial: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) \
-do {} while (0)
-#endif
-
 static void serial_receive1(void *opaque, const uint8_t *buf, int size);
 static void serial_xmit(SerialState *s);
 
@@ -636,7 +626,6 @@ static void serial_receive1(void *opaque, const uint8_t *buf, int size)
 static void serial_event(void *opaque, QEMUChrEvent event)
 {
     SerialState *s = opaque;
-    DPRINTF("event %x\n", event);
     if (event == CHR_EVENT_BREAK)
         serial_receive_break(s);
 }