Index: uspace/drv/bus/usb/uhci/hc.c
===================================================================
--- uspace/drv/bus/usb/uhci/hc.c	(revision dfe4955a28b08501c39f9da03185f4b34b4cc3a4)
+++ uspace/drv/bus/usb/uhci/hc.c	(revision 26858040ea50ce5217e3e17f2485b42a91ba4ab1)
@@ -126,15 +126,14 @@
 	uhci_regs_t *io;
 	ret = pio_enable(regs, reg_size, (void **)&io);
-	CHECK_RET_RETURN(ret,
-	    "Failed(%d) to gain access to registers at %p: %s.\n",
-	    ret, io, str_error(ret));
+	CHECK_RET_RETURN(ret, "Failed to gain access to registers at %p: %s.\n",
+	    io, str_error(ret));
 	instance->registers = io;
-	usb_log_debug("Device registers at %p (%zuB) accessible.\n",
-	    io, reg_size);
+	usb_log_debug(
+	    "Device registers at %p (%zuB) accessible.\n", io, reg_size);
 
 	ret = hc_init_mem_structures(instance);
 	CHECK_RET_RETURN(ret,
-	    "Failed(%d) to initialize UHCI memory structures: %s.\n",
-	    ret, str_error(ret));
+	    "Failed to initialize UHCI memory structures: %s.\n",
+	    str_error(ret));
 
 	hc_init_hw(instance);
@@ -162,8 +161,8 @@
 	/* Reset everything, who knows what touched it before us */
 	pio_write_16(&registers->usbcmd, UHCI_CMD_GLOBAL_RESET);
-	async_usleep(10000); /* 10ms according to USB spec */
+	async_usleep(50000); /* 50ms according to USB spec(root hub reset) */
 	pio_write_16(&registers->usbcmd, 0);
 
-	/* Reset hc, all states and counters */
+	/* Reset hc, all states and counters. Hope that hw is not broken */
 	pio_write_16(&registers->usbcmd, UHCI_CMD_HCRESET);
 	do { async_usleep(10); }
@@ -183,7 +182,7 @@
 	}
 
-	const uint16_t status = pio_read_16(&registers->usbcmd);
-	if (status != 0)
-		usb_log_warning("Previous command value: %x.\n", status);
+	const uint16_t cmd = pio_read_16(&registers->usbcmd);
+	if (cmd != 0)
+		usb_log_warning("Previous command value: %x.\n", cmd);
 
 	/* Start the hc with large(64B) packet FSBR */
@@ -212,60 +211,12 @@
 	} else (void) 0
 
-	/* Init interrupt code */
-	instance->interrupt_code.cmds = instance->interrupt_commands;
-	{
-		/* Read status register */
-		instance->interrupt_commands[0].cmd = CMD_PIO_READ_16;
-		instance->interrupt_commands[0].dstarg = 1;
-		instance->interrupt_commands[0].addr =
-		    &instance->registers->usbsts;
-
-		/* Test whether we are the interrupt cause */
-		instance->interrupt_commands[1].cmd = CMD_BTEST;
-		instance->interrupt_commands[1].value =
-		    UHCI_STATUS_USED_INTERRUPTS | UHCI_STATUS_NM_INTERRUPTS;
-		instance->interrupt_commands[1].srcarg = 1;
-		instance->interrupt_commands[1].dstarg = 2;
-
-		/* Predicate cleaning and accepting */
-		instance->interrupt_commands[2].cmd = CMD_PREDICATE;
-		instance->interrupt_commands[2].value = 2;
-		instance->interrupt_commands[2].srcarg = 2;
-
-		/* Write clean status register */
-		instance->interrupt_commands[3].cmd = CMD_PIO_WRITE_A_16;
-		instance->interrupt_commands[3].srcarg = 1;
-		instance->interrupt_commands[3].addr =
-		    &instance->registers->usbsts;
-
-		/* Accept interrupt */
-		instance->interrupt_commands[4].cmd = CMD_ACCEPT;
-
-		instance->interrupt_code.cmdcount = UHCI_NEEDED_IRQ_COMMANDS;
-	}
-
 	/* Init transfer lists */
 	int ret = hc_init_transfer_lists(instance);
-	CHECK_RET_RETURN(ret, "Failed to init transfer lists.\n");
+	CHECK_RET_RETURN(ret, "Failed to initialize transfer lists.\n");
 	usb_log_debug("Initialized transfer lists.\n");
-
-	/* Init USB frame list page*/
-	instance->frame_list = get_page();
-	ret = instance->frame_list ? EOK : ENOMEM;
-	CHECK_RET_RETURN(ret, "Failed to get frame list page.\n");
-	usb_log_debug("Initialized frame list at %p.\n", instance->frame_list);
-
-	/* Set all frames to point to the first queue head */
-	const uint32_t queue = LINK_POINTER_QH(
-	        addr_to_phys(instance->transfers_interrupt.queue_head));
-
-	unsigned i = 0;
-	for(; i < UHCI_FRAME_LIST_COUNT; ++i) {
-		instance->frame_list[i] = queue;
-	}
 
 	/* Init device keeper */
 	usb_device_keeper_init(&instance->manager);
-	usb_log_debug("Initialized device manager.\n");
+	usb_log_debug("Initialized device keeper.\n");
 
 	ret = usb_endpoint_manager_init(&instance->ep_manager,
@@ -274,4 +225,21 @@
 	    str_error(ret));
 
+	/* Init USB frame list page*/
+	instance->frame_list = get_page();
+	if (!instance->frame_list) {
+		usb_log_error("Failed to get frame list page.\n");
+		usb_endpoint_manager_destroy(&instance->ep_manager);
+		return ENOMEM;
+	}
+	usb_log_debug("Initialized frame list at %p.\n", instance->frame_list);
+
+	/* Set all frames to point to the first queue head */
+	const uint32_t queue = LINK_POINTER_QH(
+	        addr_to_phys(instance->transfers_interrupt.queue_head));
+	unsigned i = 0;
+	for(; i < UHCI_FRAME_LIST_COUNT; ++i) {
+		instance->frame_list[i] = queue;
+	}
+
 	return EOK;
 #undef CHECK_RET_RETURN
@@ -294,6 +262,6 @@
 	int ret = transfer_list_init(&instance->transfers_##type, name); \
 	if (ret != EOK) { \
-		usb_log_error("Failed(%d) to setup %s transfer list: %s.\n", \
-		    ret, name, str_error(ret)); \
+		usb_log_error("Failed to setup %s transfer list: %s.\n", \
+		    name, str_error(ret)); \
 		transfer_list_fini(&instance->transfers_bulk_full); \
 		transfer_list_fini(&instance->transfers_control_full); \
Index: uspace/drv/bus/usb/uhci/hc.h
===================================================================
--- uspace/drv/bus/usb/uhci/hc.h	(revision dfe4955a28b08501c39f9da03185f4b34b4cc3a4)
+++ uspace/drv/bus/usb/uhci/hc.h	(revision 26858040ea50ce5217e3e17f2485b42a91ba4ab1)
@@ -116,14 +116,6 @@
 	/** Pointer table to the above lists, helps during scheduling */
 	transfer_list_t *transfers[2][4];
-
-	/** Code to be executed in kernel interrupt handler */
-	irq_code_t interrupt_code;
-
-	/** Commands that form interrupt code */
-	irq_cmd_t interrupt_commands[UHCI_NEEDED_IRQ_COMMANDS];
-
 	/** Fibril periodically checking status register*/
 	fid_t interrupt_emulator;
-
 	/** Indicator of hw interrupts availability */
 	bool hw_interrupts;