From 52f518a3a7c2f80551a38d38be28bc9f335e713c Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Mon, 13 Apr 2015 14:11:35 +0800 Subject: x86/MSI: Use hierarchical irqdomains to manage MSI interrupts Enhance MSI code to support hierarchical irqdomains, it helps to make the architecture more clear. Signed-off-by: Jiang Liu Cc: Konrad Rzeszutek Wilk Cc: David Cohen Cc: Sander Eikelenboom Cc: David Vrabel Cc: Tony Luck Cc: Greg Kroah-Hartman Cc: iommu@lists.linux-foundation.org Cc: Joerg Roedel Cc: Bjorn Helgaas Cc: Benjamin Herrenschmidt Cc: Rafael J. Wysocki Cc: Randy Dunlap Cc: Yinghai Lu Cc: Borislav Petkov Cc: Dimitri Sivanich Cc: Joerg Roedel Link: http://lkml.kernel.org/r/1428905519-23704-14-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/irq_remapping.h | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'arch/x86/include/asm/irq_remapping.h') diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h index 0cd6195cc375..0d3bbd0e2c42 100644 --- a/arch/x86/include/asm/irq_remapping.h +++ b/arch/x86/include/asm/irq_remapping.h @@ -66,11 +66,7 @@ irq_remapping_get_irq_domain(struct irq_alloc_info *info); extern void irq_remapping_print_chip(struct irq_data *data, struct seq_file *p); /* Create PCI MSI/MSIx irqdomain, use @parent as the parent irqdomain. */ -static inline struct irq_domain * -arch_create_msi_irq_domain(struct irq_domain *parent) -{ - return NULL; -} +extern struct irq_domain *arch_create_msi_irq_domain(struct irq_domain *parent); /* Get parent irqdomain for interrupt remapping irqdomain */ static inline struct irq_domain *arch_get_ir_parent_domain(void) -- cgit v1.2.3