diff --git a/userspace/libswitchhw/i2c_sfp.c b/userspace/libswitchhw/i2c_sfp.c
index 82c7b25679af322cd9e827b0f63b8038cafd510f..06ec31671ef2c7ec3217cd3f97a9348b7ecf9628 100644
--- a/userspace/libswitchhw/i2c_sfp.c
+++ b/userspace/libswitchhw/i2c_sfp.c
@@ -185,13 +185,13 @@ int shw_sfp_buses_init(void)
 {
 	int i;
 
-	printf("Initializing i2c buses...\n\n");
+	TRACE(TRACE_INFO, "Initializing SFP I2C busses...");
 	for (i = 0; i < ARRAY_SIZE(i2c_buses); i++) {
 		if (i2c_init_bus(&i2c_buses[i]) < 0) {
 			printf("init failed: %s\n", i2c_buses[i].name);
 			return -1;
 		}
-		printf("init: success: %s\n", i2c_buses[i].name);
+//		printf("init: success: %s\n", i2c_buses[i].name);
 	}
 	return 0;
 }
diff --git a/userspace/libswitchhw/pio.c b/userspace/libswitchhw/pio.c
index 459b0244bc893f09c45374a5e35db4c413e6718f..7adb5ace06e343612d023ffdc73a52cfd06d67ce 100644
--- a/userspace/libswitchhw/pio.c
+++ b/userspace/libswitchhw/pio.c
@@ -27,8 +27,9 @@ volatile uint8_t *_sys_base;
 void pmc_enable_clock(int clock)
 {
     _writel(_sys_base + AT91C_BASE_PMC_RAW - AT91C_BASE_SYS_RAW + 0x10, (1<<clock)); // fucking atmel headers
-    printf("ClkStat: %x\n", _readl(_sys_base + AT91C_BASE_PMC_RAW - AT91C_BASE_SYS_RAW + 0x18));
+//    printf("ClkStat: %x\n", _readl(_sys_base + AT91C_BASE_PMC_RAW - AT91C_BASE_SYS_RAW + 0x18));
 }
+
 int shw_pio_mmap_init()
 {
     int i;
@@ -58,8 +59,8 @@ int shw_pio_mmap_init()
 
 //  fprintf(stderr,"AT91_SYS mmapped to: 0x%08x\n", _sys_base);
 
-    printf("PIOA offset %08X\n", AT91C_BASE_PIOA_RAW - AT91C_BASE_SYS_RAW);
-    printf("Sys base: %08X\n", _sys_base);
+//    printf("PIOA offset %08X\n", AT91C_BASE_PIOA_RAW - AT91C_BASE_SYS_RAW);
+//    printf("Sys base: %08X\n", _sys_base);
 
     _pio_base[REG_BASE][PIOA] = _sys_base + AT91C_BASE_PIOA_RAW - AT91C_BASE_SYS_RAW;		//offset counting from AT91C_BASE_SYS
     _pio_base[REG_BASE][PIOB] = _sys_base + AT91C_BASE_PIOB_RAW - AT91C_BASE_SYS_RAW;		//offset counting from AT91C_BASE_SYS
@@ -115,7 +116,7 @@ void shw_pio_configure(const pio_pin_t *pin)
     case PIOD:
     case PIOE:
 
-	printf("-- configure CPU PIO PIN: P%c.%d base=0x%x\n\n", pin->port-PIOA+'A', pin->pin, base);
+//	printf("-- configure CPU PIO PIN: P%c.%d base=0x%x\n\n", pin->port-PIOA+'A', pin->pin, base);
 
         _writel(base + PIO_IDR, mask);	// disable irq