Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq updates from Thomas Gleixner:
 "This update provides:

   - Yet another two irq controller chip drivers

   - A few updates and fixes for GICV3

   - A resource managed function for interrupt allocation

   - Fixes, updates and enhancements all over the place"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/qcom: Fix error handling
  genirq: Clarify logic calculating bogus irqreturn_t values
  genirq/msi: Add stubs for get_cached_msi_msg/pci_write_msi_msg
  genirq/devres: Use dev_name(dev) as default for devname
  genirq: Fix /proc/interrupts output alignment
  irqdesc: Add a resource managed version of irq_alloc_descs()
  irqchip/gic-v3-its: Zero command on allocation
  irqchip/gic-v3-its: Fix command buffer allocation
  irqchip/mips-gic: Fix local interrupts
  irqchip: Add a driver for Cortina Gemini
  irqchip: DT bindings for Cortina Gemini irqchip
  irqchip/gic-v3: Remove duplicate definition of GICD_TYPER_LPIS
  irqchip/gic-v3-its: Rename MAPVI to MAPTI
  irqchip/gic-v3-its: Drop deprecated GITS_BASER_TYPE_CPU
  irqchip/gic-v3-its: Refactor command encoding
  irqchip/gic-v3-its: Enable cacheable attribute Read-allocate hints
  irqchip/qcom: Add IRQ combiner driver
  ACPI: Add support for ResourceSource/IRQ domain mapping
  ACPI: Generic GSI: Do not attempt to map non-GSI IRQs during bus scan
  irq/platform-msi: Fix comment about maximal MSIs

4 files changed, 40 insertions, 5 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 5b36974ed60a..8e577c2cb0ce 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -1153,4 +1153,14 @@ int parse_spcr(bool earlycon);
 static inline int parse_spcr(bool earlycon) { return 0; }
 #endif
 
+#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
+int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
+#else
+static inline
+int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
+{
+	return -EINVAL;
+}
+#endif
+
 #endif	/*_LINUX_ACPI_H*/
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 39e3254e5769..f887351aa80e 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -732,6 +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)
@@ -748,6 +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)
 {
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index e808f8ae6f14..725e86b506f3 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -73,7 +73,6 @@
 
 #define GICD_TYPER_ID_BITS(typer)	((((typer) >> 19) & 0x1f) + 1)
 #define GICD_TYPER_IRQS(typer)		((((typer) & 0x1f) + 1) * 32)
-#define GICD_TYPER_LPIS			(1U << 17)
 
 #define GICD_IROUTER_SPI_MODE_ONE	(0U << 31)
 #define GICD_IROUTER_SPI_MODE_ANY	(1U << 31)
@@ -306,7 +305,7 @@
 #define GITS_BASER_TYPE_NONE		0
 #define GITS_BASER_TYPE_DEVICE		1
 #define GITS_BASER_TYPE_VCPU		2
-#define GITS_BASER_TYPE_CPU		3
+#define GITS_BASER_TYPE_RESERVED3	3
 #define GITS_BASER_TYPE_COLLECTION	4
 #define GITS_BASER_TYPE_RESERVED5	5
 #define GITS_BASER_TYPE_RESERVED6	6
@@ -320,8 +319,6 @@
 #define GITS_CMD_MAPD			0x08
 #define GITS_CMD_MAPC			0x09
 #define GITS_CMD_MAPTI			0x0a
-/* older GIC documentation used MAPVI for this command */
-#define GITS_CMD_MAPVI			GITS_CMD_MAPTI
 #define GITS_CMD_MAPI			0x0b
 #define GITS_CMD_MOVI			0x01
 #define GITS_CMD_DISCARD		0x0f
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 0db320b7bb15..a83b84ff70e5 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -17,7 +17,13 @@ struct msi_desc;
 struct pci_dev;
 struct platform_msi_priv_data;
 void __get_cached_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
+#ifdef CONFIG_GENERIC_MSI_IRQ
 void get_cached_msi_msg(unsigned int irq, struct msi_msg *msg);
+#else
+static inline void get_cached_msi_msg(unsigned int irq, struct msi_msg *msg)
+{
+}
+#endif
 
 typedef void (*irq_write_msi_msg_t)(struct msi_desc *desc,
 				    struct msi_msg *msg);
@@ -116,11 +122,15 @@ struct msi_desc {
 
 struct pci_dev *msi_desc_to_pci_dev(struct msi_desc *desc);
 void *msi_desc_to_pci_sysdata(struct msi_desc *desc);
+void pci_write_msi_msg(unsigned int irq, struct msi_msg *msg);
 #else /* CONFIG_PCI_MSI */
 static inline void *msi_desc_to_pci_sysdata(struct msi_desc *desc)
 {
 	return NULL;
 }
+static inline void pci_write_msi_msg(unsigned int irq, struct msi_msg *msg)
+{
+}
 #endif /* CONFIG_PCI_MSI */
 
 struct msi_desc *alloc_msi_entry(struct device *dev, int nvec,
@@ -128,7 +138,6 @@ struct msi_desc *alloc_msi_entry(struct device *dev, int nvec,
 void free_msi_entry(struct msi_desc *entry);
 void __pci_read_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
 void __pci_write_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
-void pci_write_msi_msg(unsigned int irq, struct msi_msg *msg);
 
 u32 __pci_msix_desc_mask_irq(struct msi_desc *desc, u32 flag);
 u32 __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag);