Index: uspace/drv/bus/usb/ohci/hc.c
===================================================================
--- uspace/drv/bus/usb/ohci/hc.c	(revision ef3da5ad625620e40458132c67c6c8d18ecf31fe)
+++ uspace/drv/bus/usb/ohci/hc.c	(revision a25d893614487642d506ae1156dca0202b72dd8e)
@@ -178,4 +178,5 @@
 		usb_log_error("Failed to create OHCI memory structures: %s.\n",
 		    str_error(ret));
+		//TODO: We should disable pio access here
 		return ret;
 	}
@@ -393,4 +394,5 @@
 		    ohci_emulation_reg, OHCI_RD(*ohci_emulation_reg));
 		/* Zero everything but A20State */
+		//TODO: should we ack interrupts before doing this?
 		OHCI_CLR(*ohci_emulation_reg, ~0x100);
 		usb_log_debug(
@@ -402,4 +404,5 @@
 	if (OHCI_RD(instance->registers->control) & C_IR) {
 		usb_log_debug("SMM driver: request ownership change.\n");
+		//TODO: should we ack interrupts before doing this?
 		OHCI_SET(instance->registers->command_status, CS_OCR);
 		/* Hope that SMM actually knows its stuff or we can hang here */
Index: uspace/drv/bus/usb/ohci/main.c
===================================================================
--- uspace/drv/bus/usb/ohci/main.c	(revision ef3da5ad625620e40458132c67c6c8d18ecf31fe)
+++ uspace/drv/bus/usb/ohci/main.c	(revision a25d893614487642d506ae1156dca0202b72dd8e)
@@ -56,5 +56,5 @@
 		return ENOMEM;
 
-	const int ret =  hc_init(instance, res, irq);
+	const int ret = hc_init(instance, res, irq);
 	if (ret == EOK)
 		hcd_set_implementation(hcd, instance, ohci_hc_schedule,
Index: uspace/drv/bus/usb/uhci/main.c
===================================================================
--- uspace/drv/bus/usb/uhci/main.c	(revision ef3da5ad625620e40458132c67c6c8d18ecf31fe)
+++ uspace/drv/bus/usb/uhci/main.c	(revision a25d893614487642d506ae1156dca0202b72dd8e)
@@ -57,5 +57,5 @@
 		return ENOMEM;
 
-	const int ret =  hc_init(instance, res, irq);
+	const int ret = hc_init(instance, res, irq);
 	if (ret == EOK)
 		hcd_set_implementation(hcd, instance, uhci_hc_schedule, NULL,