[patch 14/37] genirq/msi: Consolidate MSI descriptor data

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All non PCI/MSI usage variants have data structures in struct msi_desc with
only one member: xxx_index. PCI/MSI has a entry_nr member.

Add a common msi_index member to struct msi_desc so all implementations can
share it which allows further consolidation.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 include/linux/msi.h |    2 ++
 1 file changed, 2 insertions(+)

--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -142,6 +142,7 @@ struct ti_sci_inta_msi_desc {
  *			address or data changes
  * @write_msi_msg_data:	Data parameter for the callback.
  *
+ * @msi_index:	Index of the msi descriptor
  * @pci:	[PCI]	    PCI speficic msi descriptor data
  * @platform:	[platform]  Platform device specific msi descriptor data
  * @fsl_mc:	[fsl-mc]    FSL MC device specific msi descriptor data
@@ -162,6 +163,7 @@ struct msi_desc {
 	void (*write_msi_msg)(struct msi_desc *entry, void *data);
 	void *write_msi_msg_data;
 
+	u16				msi_index;
 	union {
 		struct pci_msi_desc		pci;
 		struct platform_msi_desc	platform;




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