x86/hpet: Enhance HPET IRQ to support hierarchical irqdomains

[mirror_ubuntu-bionic-kernel.git] / arch / x86 / include / asm / hpet.h

diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h
index 36f7125945e3e241cdf2ac825124fd8d7883e0ba..e87e9faf87a99e9e44a76055d3a91d4d214e7b40 100644 (file)
--- a/arch/x86/include/asm/hpet.h
+++ b/arch/x86/include/asm/hpet.h
@@ -74,11 +74,16 @@ extern unsigned int hpet_readl(unsigned int a);
 extern void force_hpet_resume(void);
 
 struct irq_data;
+struct hpet_dev;
+struct irq_domain;
+
 extern void hpet_msi_unmask(struct irq_data *data);
 extern void hpet_msi_mask(struct irq_data *data);
-struct hpet_dev;
 extern void hpet_msi_write(struct hpet_dev *hdev, struct msi_msg *msg);
 extern void hpet_msi_read(struct hpet_dev *hdev, struct msi_msg *msg);
+extern struct irq_domain *hpet_create_irq_domain(int hpet_id);
+extern int hpet_assign_irq(struct irq_domain *domain,
+                          struct hpet_dev *dev, int dev_num);
 
 #ifdef CONFIG_PCI_MSI
 extern int default_setup_hpet_msi(unsigned int irq, unsigned int id);