linux-kernel - [RFC PATCH 09/16] PCI: Associate .get_msi_ctrl() with pci_host

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Date:	Mon, 17 Nov 2014 18:21:43 +0800
From:	Yijing Wang <wangyijing@...wei.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
CC:	<linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Xinwei Hu <huxinwei@...wei.com>, Wuyun <wuyun.wu@...wei.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	Russell King <linux@....linux.org.uk>, <x86@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	<linuxppc-dev@...ts.ozlabs.org>, Tony Luck <tony.luck@...el.com>,
	<linux-ia64@...r.kernel.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Liviu Dudau <liviu@...au.co.uk>,
	<Suravee.Suthikulpanit@....com>,
	Yijing Wang <wangyijing@...wei.com>,
	Yijing Wang <wangyijing0307@...il.com>
Subject: [RFC PATCH 09/16] PCI: Associate .get_msi_ctrl() with pci_host_bridge

From: Yijing Wang <wangyijing0307@...il.com>

Signed-off-by: Yijing Wang <wangyijing@...wei.com>
---
 drivers/pci/host-bridge.c |    1 +
 include/linux/pci.h       |    2 ++
 2 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c
index 49b6c21..872cae1 100644
--- a/drivers/pci/host-bridge.c
+++ b/drivers/pci/host-bridge.c
@@ -58,6 +58,7 @@ struct pci_host_bridge *pci_create_host_bridge(
 	host->dev.parent = parent;
 	INIT_LIST_HEAD(&host->windows);
 	host->dev.release = pci_release_host_bridge_dev;
+	host->get_msi_ctrl = info->get_msi_ctrl;
 
 	/* this is hack, just for build, will be removed later*/
 	b = kzalloc(sizeof(*b), GFP_KERNEL);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index a51f5f5..af1ee86 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -408,6 +408,7 @@ struct pci_host_bridge {
 	int domain;
 	void *sysdata;
 	struct pci_ops *ops;
+	struct msi_controller *(*get_msi_ctrl)(struct pci_dev *pdev);
 	void (*release_fn)(struct pci_host_bridge *);
 	void *release_data;
 };
@@ -416,6 +417,7 @@ struct pci_host_info {
 	u8 res_type;
 	void *arg;
 	struct list_head *resources; /*just for build, will clean up later */
+	struct msi_controller *(*get_msi_ctrl)(struct pci_dev *pdev);
 	int (*init_res)(struct pci_host_bridge *host, 
 			struct pci_host_info *info);
 };
-- 
1.7.1

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