[PATCH RESEND v4 02/11] fsl-mc: msi: Added FSL-MC-specific member to the msi_desc's union

[J. German Rivera]

From: "J. German Rivera" <German.Rivera@xxxxxxxxxxxxx>

FSL-MC is a bus type different from PCI and platform, so it needs
its own member in the msi_desc's union.

Signed-off-by: J. German Rivera <German.Rivera@xxxxxxxxxxxxx>
---
CHANGE HISTORY

Changes in v4: none

Changes in v3: none

Changes in v2:
- Addressed comment from Jiang Liu
  * Added a dedicated structure for FSL-MC in struct msi_desc

 include/linux/msi.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/linux/msi.h b/include/linux/msi.h
index f71a25e..152e51a 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -33,6 +33,14 @@ struct platform_msi_desc {
 };

 /**
+ * fsl_mc_msi_desc - FSL-MC device specific msi descriptor data
+ * @msi_index:		The index of the MSI descriptor
+ */
+struct fsl_mc_msi_desc {
+	u16				msi_index;
+};
+
+/**
  * struct msi_desc - Descriptor structure for MSI based interrupts
  * @list:	List head for management
  * @irq:	The base interrupt number
@@ -87,6 +95,7 @@ struct msi_desc {
 		 * tree wide cleanup.
 		 */
 		struct platform_msi_desc platform;
+		struct fsl_mc_msi_desc fsl_mc;
 	};
 };

--
2.3.3

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