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-rw-r--r--include/linux/acpi_iort.h3
-rw-r--r--include/linux/irq.h59
-rw-r--r--include/linux/irqchip/mmp.h10
-rw-r--r--include/linux/irqdesc.h3
4 files changed, 41 insertions, 34 deletions
diff --git a/include/linux/acpi_iort.h b/include/linux/acpi_iort.h
index b43be0987b19..6b70d02bc5f9 100644
--- a/include/linux/acpi_iort.h
+++ b/include/linux/acpi_iort.h
@@ -26,13 +26,14 @@ int iort_register_domain_token(int trans_id, phys_addr_t base,
struct fwnode_handle *fw_node);
void iort_deregister_domain_token(int trans_id);
struct fwnode_handle *iort_find_domain_token(int trans_id);
+int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id);
+
#ifdef CONFIG_ACPI_IORT
void acpi_iort_init(void);
u32 iort_msi_map_id(struct device *dev, u32 id);
struct irq_domain *iort_get_device_domain(struct device *dev, u32 id,
enum irq_domain_bus_token bus_token);
void acpi_configure_pmsi_domain(struct device *dev);
-int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id);
void iort_get_rmr_sids(struct fwnode_handle *iommu_fwnode,
struct list_head *head);
void iort_put_rmr_sids(struct fwnode_handle *iommu_fwnode,
diff --git a/include/linux/irq.h b/include/linux/irq.h
index b1b28affb32a..d8a6fdce9373 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -223,32 +223,35 @@ struct irq_data {
* irq_chip::irq_set_affinity() when deactivated.
* IRQD_IRQ_ENABLED_ON_SUSPEND - Interrupt is enabled on suspend by irq pm if
* irqchip have flag IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND set.
+ * IRQD_RESEND_WHEN_IN_PROGRESS - Interrupt may fire when already in progress in which
+ * case it must be resent at the next available opportunity.
*/
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),
- IRQD_LEVEL = (1 << 13),
- IRQD_WAKEUP_STATE = (1 << 14),
- IRQD_MOVE_PCNTXT = (1 << 15),
- IRQD_IRQ_DISABLED = (1 << 16),
- IRQD_IRQ_MASKED = (1 << 17),
- IRQD_IRQ_INPROGRESS = (1 << 18),
- IRQD_WAKEUP_ARMED = (1 << 19),
- IRQD_FORWARDED_TO_VCPU = (1 << 20),
- IRQD_AFFINITY_MANAGED = (1 << 21),
- IRQD_IRQ_STARTED = (1 << 22),
- IRQD_MANAGED_SHUTDOWN = (1 << 23),
- IRQD_SINGLE_TARGET = (1 << 24),
- IRQD_DEFAULT_TRIGGER_SET = (1 << 25),
- IRQD_CAN_RESERVE = (1 << 26),
- IRQD_MSI_NOMASK_QUIRK = (1 << 27),
- IRQD_HANDLE_ENFORCE_IRQCTX = (1 << 28),
- IRQD_AFFINITY_ON_ACTIVATE = (1 << 29),
- IRQD_IRQ_ENABLED_ON_SUSPEND = (1 << 30),
+ IRQD_SETAFFINITY_PENDING = BIT(8),
+ IRQD_ACTIVATED = BIT(9),
+ IRQD_NO_BALANCING = BIT(10),
+ IRQD_PER_CPU = BIT(11),
+ IRQD_AFFINITY_SET = BIT(12),
+ IRQD_LEVEL = BIT(13),
+ IRQD_WAKEUP_STATE = BIT(14),
+ IRQD_MOVE_PCNTXT = BIT(15),
+ IRQD_IRQ_DISABLED = BIT(16),
+ IRQD_IRQ_MASKED = BIT(17),
+ IRQD_IRQ_INPROGRESS = BIT(18),
+ IRQD_WAKEUP_ARMED = BIT(19),
+ IRQD_FORWARDED_TO_VCPU = BIT(20),
+ IRQD_AFFINITY_MANAGED = BIT(21),
+ IRQD_IRQ_STARTED = BIT(22),
+ IRQD_MANAGED_SHUTDOWN = BIT(23),
+ IRQD_SINGLE_TARGET = BIT(24),
+ IRQD_DEFAULT_TRIGGER_SET = BIT(25),
+ IRQD_CAN_RESERVE = BIT(26),
+ IRQD_MSI_NOMASK_QUIRK = BIT(27),
+ IRQD_HANDLE_ENFORCE_IRQCTX = BIT(28),
+ IRQD_AFFINITY_ON_ACTIVATE = BIT(29),
+ IRQD_IRQ_ENABLED_ON_SUSPEND = BIT(30),
+ IRQD_RESEND_WHEN_IN_PROGRESS = BIT(31),
};
#define __irqd_to_state(d) ACCESS_PRIVATE((d)->common, state_use_accessors)
@@ -448,6 +451,16 @@ static inline bool irqd_affinity_on_activate(struct irq_data *d)
return __irqd_to_state(d) & IRQD_AFFINITY_ON_ACTIVATE;
}
+static inline void irqd_set_resend_when_in_progress(struct irq_data *d)
+{
+ __irqd_to_state(d) |= IRQD_RESEND_WHEN_IN_PROGRESS;
+}
+
+static inline bool irqd_needs_resend_when_in_progress(struct irq_data *d)
+{
+ return __irqd_to_state(d) & IRQD_RESEND_WHEN_IN_PROGRESS;
+}
+
#undef __irqd_to_state
static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
diff --git a/include/linux/irqchip/mmp.h b/include/linux/irqchip/mmp.h
deleted file mode 100644
index aa1813749a4f..000000000000
--- a/include/linux/irqchip/mmp.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __IRQCHIP_MMP_H
-#define __IRQCHIP_MMP_H
-
-extern struct irq_chip icu_irq_chip;
-
-extern void icu_init_irq(void);
-extern void mmp2_init_icu(void);
-
-#endif /* __IRQCHIP_MMP_H */
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 844a8e30e6de..d9451d456a73 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -102,6 +102,9 @@ struct irq_desc {
int parent_irq;
struct module *owner;
const char *name;
+#ifdef CONFIG_HARDIRQS_SW_RESEND
+ struct hlist_node resend_node;
+#endif
} ____cacheline_internodealigned_in_smp;
#ifdef CONFIG_SPARSE_IRQ