Index: uspace/srv/hw/bus/cuda_adb/cuda_adb.c
===================================================================
--- uspace/srv/hw/bus/cuda_adb/cuda_adb.c	(revision 4c363fa28181030ea38d909efb8e3f758d7d1b29)
+++ uspace/srv/hw/bus/cuda_adb/cuda_adb.c	(revision 300f4c4dd43b87fb910ea1cfccdc3280c2bdd2ca)
@@ -282,6 +282,5 @@
 	cuda_irq_code.ranges[0].base = (uintptr_t) instance->cuda_physical;
 	cuda_irq_code.cmds[0].addr = (void *) &((cuda_t *) instance->cuda_physical)->ifr;
-	async_irq_subscribe(10, device_assign_devno(), cuda_irq_handler, NULL,
-	    &cuda_irq_code);
+	async_irq_subscribe(10, cuda_irq_handler, NULL, &cuda_irq_code);
 
 	/* Enable SR interrupt. */
Index: uspace/srv/hw/char/s3c24xx_uart/s3c24xx_uart.c
===================================================================
--- uspace/srv/hw/char/s3c24xx_uart/s3c24xx_uart.c	(revision 4c363fa28181030ea38d909efb8e3f758d7d1b29)
+++ uspace/srv/hw/char/s3c24xx_uart/s3c24xx_uart.c	(revision 300f4c4dd43b87fb910ea1cfccdc3280c2bdd2ca)
@@ -193,6 +193,5 @@
 	    (void *) uart->paddr, inr);
 
-	async_irq_subscribe(inr, device_assign_devno(), s3c24xx_uart_irq_handler,
-	    NULL, &uart_irq_code);
+	async_irq_subscribe(inr, s3c24xx_uart_irq_handler, NULL, &uart_irq_code);
 
 	/* Enable FIFO, Tx trigger level: empty, Rx trigger level: 1 byte. */