powerpc: mpic irq_data conversion.

Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 72 insertions, 65 deletions

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index b0c8469e5ddd..eb7021815e2d 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -611,7 +611,7 @@ static struct mpic *mpic_find(unsigned int irq)
         if (irq < NUM_ISA_INTERRUPTS)
                 return NULL;
 
-        return irq_to_desc(irq)->chip_data;
+        return get_irq_chip_data(irq);
 }
 
 /* Determine if the linux irq is an IPI */
@@ -636,16 +636,22 @@ static inline u32 mpic_physmask(u32 cpumask)
 
 #ifdef CONFIG_SMP
 /* Get the mpic structure from the IPI number */
-static inline struct mpic * mpic_from_ipi(unsigned int ipi)
+static inline struct mpic * mpic_from_ipi(struct irq_data *d)
 {
-        return irq_to_desc(ipi)->chip_data;
+        return irq_data_get_irq_chip_data(d);
 }
 #endif
 
 /* Get the mpic structure from the irq number */
 static inline struct mpic * mpic_from_irq(unsigned int irq)
 {
-        return irq_to_desc(irq)->chip_data;
+        return get_irq_chip_data(irq);
+}
+
+/* Get the mpic structure from the irq data */
+static inline struct mpic * mpic_from_irq_data(struct irq_data *d)
+{
+        return irq_data_get_irq_chip_data(d);
 }
 
 /* Send an EOI */
@@ -660,13 +666,13 @@ static inline void mpic_eoi(struct mpic *mpic)
  */
 
 
-void mpic_unmask_irq(unsigned int irq)
+void mpic_unmask_irq(struct irq_data *d)
 {
         unsigned int loops = 100000;
-        struct mpic *mpic = mpic_from_irq(irq);
-        unsigned int src = mpic_irq_to_hw(irq);
+        struct mpic *mpic = mpic_from_irq_data(d);
+        unsigned int src = mpic_irq_to_hw(d->irq);
 
-        DBG("%p: %s: enable_irq: %d (src %d)\n", mpic, mpic->name, irq, src);
+        DBG("%p: %s: enable_irq: %d (src %d)\n", mpic, mpic->name, d->irq, src);
 
         mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI),
                        mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) &
@@ -681,13 +687,13 @@ void mpic_unmask_irq(unsigned int irq)
         } while(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK);
 }
 
-void mpic_mask_irq(unsigned int irq)
+void mpic_mask_irq(struct irq_data *d)
 {
         unsigned int loops = 100000;
-        struct mpic *mpic = mpic_from_irq(irq);
-        unsigned int src = mpic_irq_to_hw(irq);
+        struct mpic *mpic = mpic_from_irq_data(d);
+        unsigned int src = mpic_irq_to_hw(d->irq);
 
-        DBG("%s: disable_irq: %d (src %d)\n", mpic->name, irq, src);
+        DBG("%s: disable_irq: %d (src %d)\n", mpic->name, d->irq, src);
 
         mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI),
                        mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) |
@@ -703,12 +709,12 @@ void mpic_mask_irq(unsigned int irq)
         } while(!(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK));
 }
 
-void mpic_end_irq(unsigned int irq)
+void mpic_end_irq(struct irq_data *d)
 {
-        struct mpic *mpic = mpic_from_irq(irq);
+        struct mpic *mpic = mpic_from_irq_data(d);
 
 #ifdef DEBUG_IRQ
-        DBG("%s: end_irq: %d\n", mpic->name, irq);
+        DBG("%s: end_irq: %d\n", mpic->name, d->irq);
 #endif
         /* We always EOI on end_irq() even for edge interrupts since that
          * should only lower the priority, the MPIC should have properly
@@ -720,51 +726,51 @@ void mpic_end_irq(unsigned int irq)
 
 #ifdef CONFIG_MPIC_U3_HT_IRQS
 
-static void mpic_unmask_ht_irq(unsigned int irq)
+static void mpic_unmask_ht_irq(struct irq_data *d)
 {
-        struct mpic *mpic = mpic_from_irq(irq);
-        unsigned int src = mpic_irq_to_hw(irq);
+        struct mpic *mpic = mpic_from_irq_data(d);
+        unsigned int src = mpic_irq_to_hw(d->irq);
 
-        mpic_unmask_irq(irq);
+        mpic_unmask_irq(d);
 
-        if (irq_to_desc(irq)->status & IRQ_LEVEL)
+        if (irq_to_desc(d->irq)->status & IRQ_LEVEL)
                 mpic_ht_end_irq(mpic, src);
 }
 
-static unsigned int mpic_startup_ht_irq(unsigned int irq)
+static unsigned int mpic_startup_ht_irq(struct irq_data *d)
 {
-        struct mpic *mpic = mpic_from_irq(irq);
-        unsigned int src = mpic_irq_to_hw(irq);
+        struct mpic *mpic = mpic_from_irq_data(d);
+        unsigned int src = mpic_irq_to_hw(d->irq);
 
-        mpic_unmask_irq(irq);
-        mpic_startup_ht_interrupt(mpic, src, irq_to_desc(irq)->status);
+        mpic_unmask_irq(d);
+        mpic_startup_ht_interrupt(mpic, src, irq_to_desc(d->irq)->status);
 
         return 0;
 }
 
-static void mpic_shutdown_ht_irq(unsigned int irq)
+static void mpic_shutdown_ht_irq(struct irq_data *d)
 {
-        struct mpic *mpic = mpic_from_irq(irq);
-        unsigned int src = mpic_irq_to_hw(irq);
+        struct mpic *mpic = mpic_from_irq_data(d);
+        unsigned int src = mpic_irq_to_hw(d->irq);
 
-        mpic_shutdown_ht_interrupt(mpic, src, irq_to_desc(irq)->status);
-        mpic_mask_irq(irq);
+        mpic_shutdown_ht_interrupt(mpic, src, irq_to_desc(d->irq)->status);
+        mpic_mask_irq(d);
 }
 
-static void mpic_end_ht_irq(unsigned int irq)
+static void mpic_end_ht_irq(struct irq_data *d)
 {
-        struct mpic *mpic = mpic_from_irq(irq);
-        unsigned int src = mpic_irq_to_hw(irq);
+        struct mpic *mpic = mpic_from_irq_data(d);
+        unsigned int src = mpic_irq_to_hw(d->irq);
 
 #ifdef DEBUG_IRQ
-        DBG("%s: end_irq: %d\n", mpic->name, irq);
+        DBG("%s: end_irq: %d\n", mpic->name, d->irq);
 #endif
         /* We always EOI on end_irq() even for edge interrupts since that
          * should only lower the priority, the MPIC should have properly
          * latched another edge interrupt coming in anyway
          */
 
-        if (irq_to_desc(irq)->status & IRQ_LEVEL)
+        if (irq_to_desc(d->irq)->status & IRQ_LEVEL)
                 mpic_ht_end_irq(mpic, src);
         mpic_eoi(mpic);
 }
@@ -772,23 +778,23 @@ static void mpic_end_ht_irq(unsigned int irq)
 
 #ifdef CONFIG_SMP
 
-static void mpic_unmask_ipi(unsigned int irq)
+static void mpic_unmask_ipi(struct irq_data *d)
 {
-        struct mpic *mpic = mpic_from_ipi(irq);
-        unsigned int src = mpic_irq_to_hw(irq) - mpic->ipi_vecs[0];
+        struct mpic *mpic = mpic_from_ipi(d);
+        unsigned int src = mpic_irq_to_hw(d->irq) - mpic->ipi_vecs[0];
 
-        DBG("%s: enable_ipi: %d (ipi %d)\n", mpic->name, irq, src);
+        DBG("%s: enable_ipi: %d (ipi %d)\n", mpic->name, d->irq, src);
         mpic_ipi_write(src, mpic_ipi_read(src) & ~MPIC_VECPRI_MASK);
 }
 
-static void mpic_mask_ipi(unsigned int irq)
+static void mpic_mask_ipi(struct irq_data *d)
 {
         /* NEVER disable an IPI... that's just plain wrong! */
 }
 
-static void mpic_end_ipi(unsigned int irq)
+static void mpic_end_ipi(struct irq_data *d)
 {
-        struct mpic *mpic = mpic_from_ipi(irq);
+        struct mpic *mpic = mpic_from_ipi(d);
 
         /*
          * IPIs are marked IRQ_PER_CPU. This has the side effect of
@@ -802,10 +808,11 @@ static void mpic_end_ipi(unsigned int irq)
 
 #endif /* CONFIG_SMP */
 
-int mpic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
+int mpic_set_affinity(struct irq_data *d, const struct cpumask *cpumask,
+                      bool force)
 {
-        struct mpic *mpic = mpic_from_irq(irq);
-        unsigned int src = mpic_irq_to_hw(irq);
+        struct mpic *mpic = mpic_from_irq_data(d);
+        unsigned int src = mpic_irq_to_hw(d->irq);
 
         if (mpic->flags & MPIC_SINGLE_DEST_CPU) {
                 int cpuid = irq_choose_cpu(cpumask);
@@ -848,15 +855,15 @@ static unsigned int mpic_type_to_vecpri(struct mpic *mpic, unsigned int type)
         }
 }
 
-int mpic_set_irq_type(unsigned int virq, unsigned int flow_type)
+int mpic_set_irq_type(struct irq_data *d, unsigned int flow_type)
 {
-        struct mpic *mpic = mpic_from_irq(virq);
-        unsigned int src = mpic_irq_to_hw(virq);
-        struct irq_desc *desc = irq_to_desc(virq);
+        struct mpic *mpic = mpic_from_irq_data(d);
+        unsigned int src = mpic_irq_to_hw(d->irq);
+        struct irq_desc *desc = irq_to_desc(d->irq);
         unsigned int vecpri, vold, vnew;
 
         DBG("mpic: set_irq_type(mpic:@%p,virq:%d,src:0x%x,type:0x%x)\n",
-            mpic, virq, src, flow_type);
+            mpic, d->irq, src, flow_type);
 
         if (src >= mpic->irq_count)
                 return -EINVAL;
@@ -907,28 +914,28 @@ void mpic_set_vector(unsigned int virq, unsigned int vector)
 }
 
 static struct irq_chip mpic_irq_chip = {
-        .mask           = mpic_mask_irq,
-        .unmask         = mpic_unmask_irq,
-        .eoi            = mpic_end_irq,
-        .set_type       = mpic_set_irq_type,
+        .irq_mask       = mpic_mask_irq,
+        .irq_unmask     = mpic_unmask_irq,
+        .irq_eoi        = mpic_end_irq,
+        .irq_set_type   = mpic_set_irq_type,
 };
 
 #ifdef CONFIG_SMP
 static struct irq_chip mpic_ipi_chip = {
-        .mask           = mpic_mask_ipi,
-        .unmask         = mpic_unmask_ipi,
-        .eoi            = mpic_end_ipi,
+        .irq_mask       = mpic_mask_ipi,
+        .irq_unmask     = mpic_unmask_ipi,
+        .irq_eoi        = mpic_end_ipi,
 };
 #endif /* CONFIG_SMP */
 
 #ifdef CONFIG_MPIC_U3_HT_IRQS
 static struct irq_chip mpic_irq_ht_chip = {
-        .startup        = mpic_startup_ht_irq,
-        .shutdown       = mpic_shutdown_ht_irq,
-        .mask           = mpic_mask_irq,
-        .unmask         = mpic_unmask_ht_irq,
-        .eoi            = mpic_end_ht_irq,
-        .set_type       = mpic_set_irq_type,
+        .irq_startup    = mpic_startup_ht_irq,
+        .irq_shutdown   = mpic_shutdown_ht_irq,
+        .irq_mask       = mpic_mask_irq,
+        .irq_unmask     = mpic_unmask_ht_irq,
+        .irq_eoi        = mpic_end_ht_irq,
+        .irq_set_type   = mpic_set_irq_type,
 };
 #endif /* CONFIG_MPIC_U3_HT_IRQS */
 
@@ -1060,12 +1067,12 @@ struct mpic * __init mpic_alloc(struct device_node *node,
         mpic->hc_irq = mpic_irq_chip;
         mpic->hc_irq.name = name;
         if (flags & MPIC_PRIMARY)
-                mpic->hc_irq.set_affinity = mpic_set_affinity;
+                mpic->hc_irq.irq_set_affinity = mpic_set_affinity;
 #ifdef CONFIG_MPIC_U3_HT_IRQS
         mpic->hc_ht_irq = mpic_irq_ht_chip;
         mpic->hc_ht_irq.name = name;
         if (flags & MPIC_PRIMARY)
-                mpic->hc_ht_irq.set_affinity = mpic_set_affinity;
+                mpic->hc_ht_irq.irq_set_affinity = mpic_set_affinity;
 #endif /* CONFIG_MPIC_U3_HT_IRQS */
 
 #ifdef CONFIG_SMP