From: "J. German Rivera" <German.Rivera@freescale.com>
To: <gregkh@linuxfoundation.org>, <arnd@arndb.de>,
        <devel@driverdev.osuosl.org>, <linux-kernel@vger.kernel.org>
CC: <stuart.yoder@freescale.com>, <itai.katz@freescale.com>,
        <lijun.pan@freescale.com>, <leoli@freescale.com>,
        <scottwood@freescale.com>, <agraf@suse.de>, <bhamciu1@freescale.com>,
        <R89243@freescale.com>, <bhupesh.sharma@freescale.com>,
        <nir.erez@freescale.com>, <richard.schmitt@freescale.com>,
        <dan.carpenter@oracle.com>, <marc.zyngier@arm.com>,
        <jiang.liu@linux.intel.com>,
        "J. German Rivera" <German.Rivera@freescale.com>
Subject: [PATCH v3 02/11] fsl-mc: msi: Added FSL-MC-specific member to the msi_desc's union
Date: Fri, 6 Nov 2015 19:30:18 -0600
Message-ID: <1446859827-6927-3-git-send-email-German.Rivera@freescale.com>
In-Reply-To: <1446859827-6927-1-git-send-email-German.Rivera@freescale.com>
References: <1446859827-6927-1-git-send-email-German.Rivera@freescale.com>
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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@freescale.com>
---
CHANGE HISTORY

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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