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-rw-r--r--include/linux/hardirq.h1
-rw-r--r--include/linux/interrupt.h1
-rw-r--r--include/linux/irq.h9
-rw-r--r--include/linux/kernel_stat.h8
4 files changed, 12 insertions, 7 deletions
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 12d5f972f23..cba442ec3c6 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -9,6 +9,7 @@
extern void synchronize_irq(unsigned int irq);
+extern void synchronize_hardirq(unsigned int irq);
#if defined(CONFIG_TINY_RCU)
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index a2678d35b5a..c7bfac1c4a7 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -188,6 +188,7 @@ extern void disable_irq(unsigned int irq);
extern void disable_percpu_irq(unsigned int irq);
extern void enable_irq(unsigned int irq);
extern void enable_percpu_irq(unsigned int irq, unsigned int type);
+extern void irq_wake_thread(unsigned int irq, void *dev_id);
/* The following three functions are for the core kernel use only. */
extern void suspend_device_irqs(void);
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 7dc10036eff..d278838908c 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -303,6 +303,10 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
* @irq_pm_shutdown: function called from core code on shutdown once per chip
* @irq_calc_mask: Optional function to set irq_data.mask for special cases
* @irq_print_chip: optional to print special chip info in show_interrupts
+ * @irq_request_resources: optional to request resources before calling
+ * any other callback related to this irq
+ * @irq_release_resources: optional to release resources acquired with
+ * irq_request_resources
* @flags: chip specific flags
*/
struct irq_chip {
@@ -336,6 +340,8 @@ struct irq_chip {
void (*irq_calc_mask)(struct irq_data *data);
void (*irq_print_chip)(struct irq_data *data, struct seq_file *p);
+ int (*irq_request_resources)(struct irq_data *data);
+ void (*irq_release_resources)(struct irq_data *data);
unsigned long flags;
};
@@ -349,6 +355,8 @@ struct irq_chip {
* IRQCHIP_ONOFFLINE_ENABLED: Only call irq_on/off_line callbacks
* when irq enabled
* IRQCHIP_SKIP_SET_WAKE: Skip chip.irq_set_wake(), for this irq chip
+ * IRQCHIP_ONESHOT_SAFE: One shot does not require mask/unmask
+ * IRQCHIP_EOI_THREADED: Chip requires eoi() on unmask in threaded mode
*/
enum {
IRQCHIP_SET_TYPE_MASKED = (1 << 0),
@@ -357,6 +365,7 @@ enum {
IRQCHIP_ONOFFLINE_ENABLED = (1 << 3),
IRQCHIP_SKIP_SET_WAKE = (1 << 4),
IRQCHIP_ONESHOT_SAFE = (1 << 5),
+ IRQCHIP_EOI_THREADED = (1 << 6),
};
/* This include will go away once we isolated irq_desc usage to core code */
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index d7c61317db8..ecbc52f9ff7 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -51,14 +51,8 @@ DECLARE_PER_CPU(struct kernel_cpustat, kernel_cpustat);
extern unsigned long long nr_context_switches(void);
-#include <linux/irq.h>
extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu);
-
-#define kstat_incr_irqs_this_cpu(irqno, DESC) \
-do { \
- __this_cpu_inc(*(DESC)->kstat_irqs); \
- __this_cpu_inc(kstat.irqs_sum); \
-} while (0)
+extern void kstat_incr_irq_this_cpu(unsigned int irq);
static inline void kstat_incr_softirqs_this_cpu(unsigned int irq)
{