void vr41xx_enable_piuint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + PIU_IRQ;
+       struct irq_desc *desc = irq_to_desc(PIU_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4111 ||
 
 void vr41xx_disable_piuint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + PIU_IRQ;
+       struct irq_desc *desc = irq_to_desc(PIU_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4111 ||
 
 void vr41xx_enable_aiuint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + AIU_IRQ;
+       struct irq_desc *desc = irq_to_desc(AIU_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4111 ||
 
 void vr41xx_disable_aiuint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + AIU_IRQ;
+       struct irq_desc *desc = irq_to_desc(AIU_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4111 ||
 
 void vr41xx_enable_kiuint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + KIU_IRQ;
+       struct irq_desc *desc = irq_to_desc(KIU_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4111 ||
 
 void vr41xx_disable_kiuint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + KIU_IRQ;
+       struct irq_desc *desc = irq_to_desc(KIU_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4111 ||
 
 void vr41xx_enable_macint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + ETHERNET_IRQ;
+       struct irq_desc *desc = irq_to_desc(ETHERNET_IRQ);
        unsigned long flags;
 
        raw_spin_lock_irqsave(&desc->lock, flags);
 
 void vr41xx_disable_macint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + ETHERNET_IRQ;
+       struct irq_desc *desc = irq_to_desc(ETHERNET_IRQ);
        unsigned long flags;
 
        raw_spin_lock_irqsave(&desc->lock, flags);
 
 void vr41xx_enable_dsiuint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + DSIU_IRQ;
+       struct irq_desc *desc = irq_to_desc(DSIU_IRQ);
        unsigned long flags;
 
        raw_spin_lock_irqsave(&desc->lock, flags);
 
 void vr41xx_disable_dsiuint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + DSIU_IRQ;
+       struct irq_desc *desc = irq_to_desc(DSIU_IRQ);
        unsigned long flags;
 
        raw_spin_lock_irqsave(&desc->lock, flags);
 
 void vr41xx_enable_firint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + FIR_IRQ;
+       struct irq_desc *desc = irq_to_desc(FIR_IRQ);
        unsigned long flags;
 
        raw_spin_lock_irqsave(&desc->lock, flags);
 
 void vr41xx_disable_firint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + FIR_IRQ;
+       struct irq_desc *desc = irq_to_desc(FIR_IRQ);
        unsigned long flags;
 
        raw_spin_lock_irqsave(&desc->lock, flags);
 
 void vr41xx_enable_pciint(void)
 {
-       struct irq_desc *desc = irq_desc + PCI_IRQ;
+       struct irq_desc *desc = irq_to_desc(PCI_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4122 ||
 
 void vr41xx_disable_pciint(void)
 {
-       struct irq_desc *desc = irq_desc + PCI_IRQ;
+       struct irq_desc *desc = irq_to_desc(PCI_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4122 ||
 
 void vr41xx_enable_scuint(void)
 {
-       struct irq_desc *desc = irq_desc + SCU_IRQ;
+       struct irq_desc *desc = irq_to_desc(SCU_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4122 ||
 
 void vr41xx_disable_scuint(void)
 {
-       struct irq_desc *desc = irq_desc + SCU_IRQ;
+       struct irq_desc *desc = irq_to_desc(SCU_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4122 ||
 
 void vr41xx_enable_csiint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + CSI_IRQ;
+       struct irq_desc *desc = irq_to_desc(CSI_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4122 ||
 
 void vr41xx_disable_csiint(uint16_t mask)
 {
-       struct irq_desc *desc = irq_desc + CSI_IRQ;
+       struct irq_desc *desc = irq_to_desc(CSI_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4122 ||
 
 void vr41xx_enable_bcuint(void)
 {
-       struct irq_desc *desc = irq_desc + BCU_IRQ;
+       struct irq_desc *desc = irq_to_desc(BCU_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4122 ||
 
 void vr41xx_disable_bcuint(void)
 {
-       struct irq_desc *desc = irq_desc + BCU_IRQ;
+       struct irq_desc *desc = irq_to_desc(BCU_IRQ);
        unsigned long flags;
 
        if (current_cpu_type() == CPU_VR4122 ||
 
 EXPORT_SYMBOL(vr41xx_disable_bcuint);
 
-static void disable_sysint1_irq(unsigned int irq)
+static void disable_sysint1_irq(struct irq_data *d)
 {
-       icu1_clear(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq));
+       icu1_clear(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(d->irq));
 }
 
-static void enable_sysint1_irq(unsigned int irq)
+static void enable_sysint1_irq(struct irq_data *d)
 {
-       icu1_set(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq));
+       icu1_set(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(d->irq));
 }
 
 static struct irq_chip sysint1_irq_type = {
        .name           = "SYSINT1",
-       .ack            = disable_sysint1_irq,
-       .mask           = disable_sysint1_irq,
-       .mask_ack       = disable_sysint1_irq,
-       .unmask         = enable_sysint1_irq,
+       .irq_mask       = disable_sysint1_irq,
+       .irq_unmask     = enable_sysint1_irq,
 };
 
-static void disable_sysint2_irq(unsigned int irq)
+static void disable_sysint2_irq(struct irq_data *d)
 {
-       icu2_clear(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq));
+       icu2_clear(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(d->irq));
 }
 
-static void enable_sysint2_irq(unsigned int irq)
+static void enable_sysint2_irq(struct irq_data *d)
 {
-       icu2_set(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq));
+       icu2_set(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(d->irq));
 }
 
 static struct irq_chip sysint2_irq_type = {
        .name           = "SYSINT2",
-       .ack            = disable_sysint2_irq,
-       .mask           = disable_sysint2_irq,
-       .mask_ack       = disable_sysint2_irq,
-       .unmask         = enable_sysint2_irq,
+       .irq_mask       = disable_sysint2_irq,
+       .irq_unmask     = enable_sysint2_irq,
 };
 
 static inline int set_sysint1_assign(unsigned int irq, unsigned char assign)
 {
-       struct irq_desc *desc = irq_desc + irq;
+       struct irq_desc *desc = irq_to_desc(irq);
        uint16_t intassign0, intassign1;
        unsigned int pin;
 
 
 static inline int set_sysint2_assign(unsigned int irq, unsigned char assign)
 {
-       struct irq_desc *desc = irq_desc + irq;
+       struct irq_desc *desc = irq_to_desc(irq);
        uint16_t intassign2, intassign3;
        unsigned int pin;