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Diffstat (limited to 'include/linux/irq.h')
-rw-r--r--include/linux/irq.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index e79875574b39..f887351aa80e 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -184,6 +184,7 @@ struct irq_data {
*
* IRQD_TRIGGER_MASK - Mask for the trigger type bits
* IRQD_SETAFFINITY_PENDING - Affinity setting is pending
+ * IRQD_ACTIVATED - Interrupt has already been activated
* IRQD_NO_BALANCING - Balancing disabled for this IRQ
* IRQD_PER_CPU - Interrupt is per cpu
* IRQD_AFFINITY_SET - Interrupt affinity was set
@@ -202,6 +203,7 @@ struct irq_data {
enum {
IRQD_TRIGGER_MASK = 0xf,
IRQD_SETAFFINITY_PENDING = (1 << 8),
+ IRQD_ACTIVATED = (1 << 9),
IRQD_NO_BALANCING = (1 << 10),
IRQD_PER_CPU = (1 << 11),
IRQD_AFFINITY_SET = (1 << 12),
@@ -312,6 +314,21 @@ static inline bool irqd_affinity_is_managed(struct irq_data *d)
return __irqd_to_state(d) & IRQD_AFFINITY_MANAGED;
}
+static inline bool irqd_is_activated(struct irq_data *d)
+{
+ return __irqd_to_state(d) & IRQD_ACTIVATED;
+}
+
+static inline void irqd_set_activated(struct irq_data *d)
+{
+ __irqd_to_state(d) |= IRQD_ACTIVATED;
+}
+
+static inline void irqd_clr_activated(struct irq_data *d)
+{
+ __irqd_to_state(d) &= ~IRQD_ACTIVATED;
+}
+
#undef __irqd_to_state
static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
@@ -715,6 +732,10 @@ unsigned int arch_dynirq_lower_bound(unsigned int from);
int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node,
struct module *owner, const struct cpumask *affinity);
+int __devm_irq_alloc_descs(struct device *dev, int irq, unsigned int from,
+ unsigned int cnt, int node, struct module *owner,
+ const struct cpumask *affinity);
+
/* use macros to avoid needing export.h for THIS_MODULE */
#define irq_alloc_descs(irq, from, cnt, node) \
__irq_alloc_descs(irq, from, cnt, node, THIS_MODULE, NULL)
@@ -731,6 +752,21 @@ int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node,
#define irq_alloc_descs_from(from, cnt, node) \
irq_alloc_descs(-1, from, cnt, node)
+#define devm_irq_alloc_descs(dev, irq, from, cnt, node) \
+ __devm_irq_alloc_descs(dev, irq, from, cnt, node, THIS_MODULE, NULL)
+
+#define devm_irq_alloc_desc(dev, node) \
+ devm_irq_alloc_descs(dev, -1, 0, 1, node)
+
+#define devm_irq_alloc_desc_at(dev, at, node) \
+ devm_irq_alloc_descs(dev, at, at, 1, node)
+
+#define devm_irq_alloc_desc_from(dev, from, node) \
+ devm_irq_alloc_descs(dev, -1, from, 1, node)
+
+#define devm_irq_alloc_descs_from(dev, from, cnt, node) \
+ devm_irq_alloc_descs(dev, -1, from, cnt, node)
+
void irq_free_descs(unsigned int irq, unsigned int cnt);
static inline void irq_free_desc(unsigned int irq)
{