cleanup unused request{_dt,}_irq() parameter

The irqflags parameter appears to be an unused vestigial parameter right from
the integration of the IOMMU code in 2007.  The parameter is 0 at all
callsites and never used.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Ian Campbell <Ian.Campbell@citrix.com>

9 files changed, 11 insertions, 12 deletions

diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
index ccce56543c..7c24811510 100644
--- a/xen/arch/arm/gic.c
+++ b/xen/arch/arm/gic.c
@@ -893,7 +893,7 @@ void gic_dump_info(struct vcpu *v)
 void __cpuinit init_maintenance_interrupt(void)
 {
     request_dt_irq(&gic.maintenance, maintenance_interrupt,
-                   0, "irq-maintenance", NULL);
+                   "irq-maintenance", NULL);
 }
 
 /*
diff --git a/xen/arch/arm/irq.c b/xen/arch/arm/irq.c
index 2fe429671e..3e326b0872 100644
--- a/xen/arch/arm/irq.c
+++ b/xen/arch/arm/irq.c
@@ -95,7 +95,7 @@ void __cpuinit init_secondary_IRQ(void)
 
 int __init request_dt_irq(const struct dt_irq *irq,
         void (*handler)(int, void *, struct cpu_user_regs *),
-        unsigned long irqflags, const char *devname, void *dev_id)
+        const char *devname, void *dev_id)
 {
     struct irqaction *action;
     int retval;
diff --git a/xen/arch/arm/time.c b/xen/arch/arm/time.c
index 4ed7882722..b5864ef6ab 100644
--- a/xen/arch/arm/time.c
+++ b/xen/arch/arm/time.c
@@ -238,11 +238,11 @@ void __cpuinit init_timer_interrupt(void)
     WRITE_SYSREG32(0, CNTHP_CTL_EL2);   /* Hypervisor's timer disabled */
     isb();
 
-    request_dt_irq(&timer_irq[TIMER_HYP_PPI], timer_interrupt, 0,
+    request_dt_irq(&timer_irq[TIMER_HYP_PPI], timer_interrupt,
                    "hyptimer", NULL);
-    request_dt_irq(&timer_irq[TIMER_VIRT_PPI], vtimer_interrupt, 0,
+    request_dt_irq(&timer_irq[TIMER_VIRT_PPI], vtimer_interrupt,
                    "virtimer", NULL);
-    request_dt_irq(&timer_irq[TIMER_PHYS_NONSECURE_PPI], timer_interrupt, 0,
+    request_dt_irq(&timer_irq[TIMER_PHYS_NONSECURE_PPI], timer_interrupt,
                    "phytimer", NULL);
 }
 
diff --git a/xen/arch/x86/hpet.c b/xen/arch/x86/hpet.c
index 946d133655..7e0d3325fd 100644
--- a/xen/arch/x86/hpet.c
+++ b/xen/arch/x86/hpet.c
@@ -355,7 +355,7 @@ static int __init hpet_setup_msi_irq(struct hpet_event_channel *ch)
     hpet_write32(cfg, HPET_Tn_CFG(ch->idx));
 
     desc->handler = &hpet_msi_type;
-    ret = request_irq(ch->msi.irq, hpet_interrupt_handler, 0, "HPET", ch);
+    ret = request_irq(ch->msi.irq, hpet_interrupt_handler, "HPET", ch);
     if ( ret >= 0 )
         ret = __hpet_setup_msi_irq(desc);
     if ( ret < 0 )
diff --git a/xen/arch/x86/irq.c b/xen/arch/x86/irq.c
index 8b59b4888e..c61cc4679e 100644
--- a/xen/arch/x86/irq.c
+++ b/xen/arch/x86/irq.c
@@ -951,7 +951,7 @@ __initcall(irq_ratelimit_init);
 
 int __init request_irq(unsigned int irq,
         void (*handler)(int, void *, struct cpu_user_regs *),
-        unsigned long irqflags, const char * devname, void *dev_id)
+        const char * devname, void *dev_id)
 {
     struct irqaction * action;
     int retval;
diff --git a/xen/drivers/passthrough/amd/iommu_init.c b/xen/drivers/passthrough/amd/iommu_init.c
index c19b51db4a..b431d16869 100644
--- a/xen/drivers/passthrough/amd/iommu_init.c
+++ b/xen/drivers/passthrough/amd/iommu_init.c
@@ -814,7 +814,7 @@ static bool_t __init set_iommu_interrupt_handler(struct amd_iommu *iommu)
         handler = &iommu_msi_type;
     ret = __setup_msi_irq(irq_to_desc(irq), &iommu->msi, handler);
     if ( !ret )
-        ret = request_irq(irq, iommu_interrupt_handler, 0, "amd_iommu", iommu);
+        ret = request_irq(irq, iommu_interrupt_handler, "amd_iommu", iommu);
     if ( ret )
     {
         destroy_irq(irq);
diff --git a/xen/drivers/passthrough/vtd/iommu.c b/xen/drivers/passthrough/vtd/iommu.c
index 76f7b8e98c..ddf713b423 100644
--- a/xen/drivers/passthrough/vtd/iommu.c
+++ b/xen/drivers/passthrough/vtd/iommu.c
@@ -1098,7 +1098,7 @@ static int __init iommu_set_interrupt(struct acpi_drhd_unit *drhd)
 
     desc = irq_to_desc(irq);
     desc->handler = &dma_msi_type;
-    ret = request_irq(irq, iommu_page_fault, 0, "dmar", iommu);
+    ret = request_irq(irq, iommu_page_fault, "dmar", iommu);
     if ( ret )
     {
         desc->handler = &no_irq_type;
diff --git a/xen/include/asm-arm/irq.h b/xen/include/asm-arm/irq.h
index 80ff68dfc6..7c20703eff 100644
--- a/xen/include/asm-arm/irq.h
+++ b/xen/include/asm-arm/irq.h
@@ -42,8 +42,7 @@ void init_secondary_IRQ(void);
 
 int __init request_dt_irq(const struct dt_irq *irq,
                           void (*handler)(int, void *, struct cpu_user_regs *),
-                          unsigned long irqflags, const char *devname,
-                          void *dev_id);
+                          const char *devname, void *dev_id);
 int __init setup_dt_irq(const struct dt_irq *irq, struct irqaction *new);
 
 #endif /* _ASM_HW_IRQ_H */
diff --git a/xen/include/xen/irq.h b/xen/include/xen/irq.h
index eaf1a84c86..f2e62158ff 100644
--- a/xen/include/xen/irq.h
+++ b/xen/include/xen/irq.h
@@ -93,7 +93,7 @@ extern int setup_irq(unsigned int irq, struct irqaction *);
 extern void release_irq(unsigned int irq);
 extern int request_irq(unsigned int irq,
                void (*handler)(int, void *, struct cpu_user_regs *),
-               unsigned long irqflags, const char * devname, void *dev_id);
+               const char * devname, void *dev_id);
 
 extern hw_irq_controller no_irq_type;
 extern void no_action(int cpl, void *dev_id, struct cpu_user_regs *regs);