xen: Switch to new irq_chip functions

Convert Xen to the new irq_chip functions. Brings us closer to enable
CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

1 files changed, 51 insertions, 44 deletions

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index c8826b5142c..cf1712fb1c4 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -277,7 +277,7 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
 
         BUG_ON(irq == -1);
 #ifdef CONFIG_SMP
-        cpumask_copy(irq_to_desc(irq)->affinity, cpumask_of(cpu));
+        cpumask_copy(irq_to_desc(irq)->irq_data.affinity, cpumask_of(cpu));
 #endif
 
         clear_bit(chn, cpu_evtchn_mask(cpu_from_irq(irq)));
@@ -294,7 +294,7 @@ static void init_evtchn_cpu_bindings(void)
 
         /* By default all event channels notify CPU#0. */
         for_each_irq_desc(i, desc) {
-                cpumask_copy(desc->affinity, cpumask_of(0));
+                cpumask_copy(desc->irq_data.affinity, cpumask_of(0));
         }
 #endif
 
@@ -474,7 +474,7 @@ static bool probing_irq(int irq)
         return desc && desc->action == NULL;
 }
 
-static unsigned int startup_pirq(unsigned int irq)
+static unsigned int __startup_pirq(unsigned int irq)
 {
         struct evtchn_bind_pirq bind_pirq;
         struct irq_info *info = info_for_irq(irq);
@@ -512,9 +512,15 @@ out:
         return 0;
 }
 
-static void shutdown_pirq(unsigned int irq)
+static unsigned int startup_pirq(struct irq_data *data)
+{
+        return __startup_pirq(data->irq);
+}
+
+static void shutdown_pirq(struct irq_data *data)
 {
         struct evtchn_close close;
+        unsigned int irq = data->irq;
         struct irq_info *info = info_for_irq(irq);
         int evtchn = evtchn_from_irq(irq);
 
@@ -534,20 +540,20 @@ static void shutdown_pirq(unsigned int irq)
         info->evtchn = 0;
 }
 
-static void enable_pirq(unsigned int irq)
+static void enable_pirq(struct irq_data *data)
 {
-        startup_pirq(irq);
+        startup_pirq(data);
 }
 
-static void disable_pirq(unsigned int irq)
+static void disable_pirq(struct irq_data *data)
 {
 }
 
-static void ack_pirq(unsigned int irq)
+static void ack_pirq(struct irq_data *data)
 {
-        int evtchn = evtchn_from_irq(irq);
+        int evtchn = evtchn_from_irq(data->irq);
 
-        move_native_irq(irq);
+        irq_move_irq(data);
 
         if (VALID_EVTCHN(evtchn)) {
                 mask_evtchn(evtchn);
@@ -1215,11 +1221,12 @@ static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
         return 0;
 }
 
-static int set_affinity_irq(unsigned irq, const struct cpumask *dest)
+static int set_affinity_irq(struct irq_data *data, const struct cpumask *dest,
+                            bool force)
 {
         unsigned tcpu = cpumask_first(dest);
 
-        return rebind_irq_to_cpu(irq, tcpu);
+        return rebind_irq_to_cpu(data->irq, tcpu);
 }
 
 int resend_irq_on_evtchn(unsigned int irq)
@@ -1238,35 +1245,35 @@ int resend_irq_on_evtchn(unsigned int irq)
         return 1;
 }
 
-static void enable_dynirq(unsigned int irq)
+static void enable_dynirq(struct irq_data *data)
 {
-        int evtchn = evtchn_from_irq(irq);
+        int evtchn = evtchn_from_irq(data->irq);
 
         if (VALID_EVTCHN(evtchn))
                 unmask_evtchn(evtchn);
 }
 
-static void disable_dynirq(unsigned int irq)
+static void disable_dynirq(struct irq_data *data)
 {
-        int evtchn = evtchn_from_irq(irq);
+        int evtchn = evtchn_from_irq(data->irq);
 
         if (VALID_EVTCHN(evtchn))
                 mask_evtchn(evtchn);
 }
 
-static void ack_dynirq(unsigned int irq)
+static void ack_dynirq(struct irq_data *data)
 {
-        int evtchn = evtchn_from_irq(irq);
+        int evtchn = evtchn_from_irq(data->irq);
 
-        move_masked_irq(irq);
+        move_masked_irq(data->irq);
 
         if (VALID_EVTCHN(evtchn))
                 unmask_evtchn(evtchn);
 }
 
-static int retrigger_dynirq(unsigned int irq)
+static int retrigger_dynirq(struct irq_data *data)
 {
-        int evtchn = evtchn_from_irq(irq);
+        int evtchn = evtchn_from_irq(data->irq);
         struct shared_info *sh = HYPERVISOR_shared_info;
         int ret = 0;
 
@@ -1315,7 +1322,7 @@ static void restore_cpu_pirqs(void)
 
                 printk(KERN_DEBUG "xen: --> irq=%d, pirq=%d\n", irq, map_irq.pirq);
 
-                startup_pirq(irq);
+                __startup_pirq(irq);
         }
 }
 
@@ -1467,44 +1474,44 @@ void xen_irq_resume(void)
 }
 
 static struct irq_chip xen_dynamic_chip __read_mostly = {
-        .name           = "xen-dyn",
+        .name                   = "xen-dyn",
 
-        .disable        = disable_dynirq,
-        .mask           = disable_dynirq,
-        .unmask         = enable_dynirq,
+        .irq_disable            = disable_dynirq,
+        .irq_mask               = disable_dynirq,
+        .irq_unmask             = enable_dynirq,
 
-        .eoi            = ack_dynirq,
-        .set_affinity   = set_affinity_irq,
-        .retrigger      = retrigger_dynirq,
+        .irq_eoi                = ack_dynirq,
+        .irq_set_affinity       = set_affinity_irq,
+        .irq_retrigger          = retrigger_dynirq,
 };
 
 static struct irq_chip xen_pirq_chip __read_mostly = {
-        .name           = "xen-pirq",
+        .name                   = "xen-pirq",
 
-        .startup        = startup_pirq,
-        .shutdown       = shutdown_pirq,
+        .irq_startup            = startup_pirq,
+        .irq_shutdown           = shutdown_pirq,
 
-        .enable         = enable_pirq,
-        .unmask         = enable_pirq,
+        .irq_enable             = enable_pirq,
+        .irq_unmask             = enable_pirq,
 
-        .disable        = disable_pirq,
-        .mask           = disable_pirq,
+        .irq_disable            = disable_pirq,
+        .irq_mask               = disable_pirq,
 
-        .ack            = ack_pirq,
+        .irq_ack                = ack_pirq,
 
-        .set_affinity   = set_affinity_irq,
+        .irq_set_affinity       = set_affinity_irq,
 
-        .retrigger      = retrigger_dynirq,
+        .irq_retrigger          = retrigger_dynirq,
 };
 
 static struct irq_chip xen_percpu_chip __read_mostly = {
-        .name           = "xen-percpu",
+        .name                   = "xen-percpu",
 
-        .disable        = disable_dynirq,
-        .mask           = disable_dynirq,
-        .unmask         = enable_dynirq,
+        .irq_disable            = disable_dynirq,
+        .irq_mask               = disable_dynirq,
+        .irq_unmask             = enable_dynirq,
 
-        .ack            = ack_dynirq,
+        .irq_ack                = ack_dynirq,
 };
 
 int xen_set_callback_via(uint64_t via)