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[RFT,v2,25/42] PCI: Add IRQ mapping function pointers to pci_host_bridge struct

Message ID 20170608141342.2018-26-lorenzo.pieralisi@arm.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Lorenzo Pieralisi June 8, 2017, 2:13 p.m. UTC 
From: Matthew Minter <matt@masarand.com>

In order to defer IRQ assignment arches must be able to register functions
to map and swizzle interrupts. These registered functions are stored in
the pci_host_bridge struct.

Signed-off-by: Matthew Minter <matt@masarand.com>
---
 include/linux/pci.h | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 31ee3b3..72b4796 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -437,6 +437,8 @@  struct pci_host_bridge {
 	void *sysdata;
 	int busnr;
 	struct list_head windows;	/* resource_entry */
+	u8 (*swizzle_irq)(struct pci_dev *, u8 *); /* platform irq swizzler */
+	int (*map_irq)(const struct pci_dev *, u8, u8);
 	void (*release_fn)(struct pci_host_bridge *);
 	void *release_data;
 	struct msi_controller *msi;