#include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
 #include <mach/systemh7751.h>
 #include <asm/smc37c93x.h>
 
 static unsigned long *systemh_irq_request_register = (unsigned long *)0xB3F10000;
 
 /* forward declaration */
-static unsigned int startup_systemh_irq(unsigned int irq);
-static void shutdown_systemh_irq(unsigned int irq);
 static void enable_systemh_irq(unsigned int irq);
 static void disable_systemh_irq(unsigned int irq);
 static void mask_and_ack_systemh(unsigned int);
-static void end_systemh_irq(unsigned int irq);
 
-/* hw_interrupt_type */
-static struct hw_interrupt_type systemh_irq_type = {
-       .typename = " SystemH Register",
-       .startup = startup_systemh_irq,
-       .shutdown = shutdown_systemh_irq,
-       .enable = enable_systemh_irq,
-       .disable = disable_systemh_irq,
+static struct irq_chip systemh_irq_type = {
+       .name = " SystemH Register",
+       .unmask = enable_systemh_irq,
+       .mask = disable_systemh_irq,
        .ack = mask_and_ack_systemh,
-       .end = end_systemh_irq
 };
 
-static unsigned int startup_systemh_irq(unsigned int irq)
-{
-       enable_systemh_irq(irq);
-       return 0; /* never anything pending */
-}
-
-static void shutdown_systemh_irq(unsigned int irq)
-{
-       disable_systemh_irq(irq);
-}
-
 static void disable_systemh_irq(unsigned int irq)
 {
        if (systemh_irq_mask_register) {
        disable_systemh_irq(irq);
 }
 
-static void end_systemh_irq(unsigned int irq)
-{
-       if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-               enable_systemh_irq(irq);
-}
-
 void make_systemh_irq(unsigned int irq)
 {
        disable_irq_nosync(irq);
-       irq_desc[irq].chip = &systemh_irq_type;
+       set_irq_chip_and_handler(irq, &systemh_irq_type, handle_level_irq);
        disable_systemh_irq(irq);
 }
-