pm_smbus: remove #ifdef DEBUG.

remove #ifdef DEBUG by using macro.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Acked-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

hw/pm_smbus.c

@@ -37,6 +37,15 @@
 #define SMBHSTDAT1      0x06
 #define SMBBLKDAT       0x07
 
+//#define DEBUG
+
+#ifdef DEBUG
+# define SMBUS_DPRINTF(format, ...)     printf(format, ## __VA_ARGS__)
+#else
+# define SMBUS_DPRINTF(format, ...)     do { } while (0)
+#endif
+
+
 static void smb_transaction(PMSMBus *s)
 {
     uint8_t prot = (s->smb_ctl >> 2) & 0x07;
@@ -45,9 +54,7 @@ static void smb_transaction(PMSMBus *s)
     uint8_t addr = s->smb_addr >> 1;
     i2c_bus *bus = s->smbus;
 
-#ifdef DEBUG
-    printf("SMBus trans addr=0x%02x prot=0x%02x\n", addr, prot);
-#endif
+    SMBUS_DPRINTF("SMBus trans addr=0x%02x prot=0x%02x\n", addr, prot);
     switch(prot) {
     case 0x0:
         smbus_quick_command(bus, addr, read);
@@ -96,9 +103,7 @@ void smb_ioport_writeb(void *opaque, uint32_t addr, uint32_t val)
 {
     PMSMBus *s = opaque;
     addr &= 0x3f;
-#ifdef DEBUG
-    printf("SMB writeb port=0x%04x val=0x%02x\n", addr, val);
-#endif
+    SMBUS_DPRINTF("SMB writeb port=0x%04x val=0x%02x\n", addr, val);
     switch(addr) {
     case SMBHSTSTS:
         s->smb_stat = 0;
@@ -166,9 +171,7 @@ uint32_t smb_ioport_readb(void *opaque, uint32_t addr)
         val = 0;
         break;
     }
-#ifdef DEBUG
-    printf("SMB readb port=0x%04x val=0x%02x\n", addr, val);
-#endif
+    SMBUS_DPRINTF("SMB readb port=0x%04x val=0x%02x\n", addr, val);
     return val;
 }