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From: Yijing Wang <wangyijing@huawei.com>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>,
	linux-pci@vger.kernel.org, Yinghai Lu <yinghai@kernel.org>,
	linux-kernel@vger.kernel.org, Marc Zyngier <marc.zyngier@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	Russell King <linux@arm.linux.org.uk>,
	dja@axtens.net, x86@kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Rusty Russell <rusty@rustcorp.com.au>,
	Tony Luck <tony.luck@intel.com>,
	linux-ia64@vger.kernel.org,
	"David S. Miller" <davem@davemloft.net>,
	Guan Xuetao <gxt@mprc.pku.edu.cn>,
	linux-alpha@vger.kernel.org, linux-m68k@vger.kernel.org,
	Liviu Dudau <liviu@dudau.co.uk>, Arnd Bergmann <arnd@arndb.de>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Yijing Wang <wangyijing@huawei.com>
Subject: [PATCH v10 13/29] PCI: Move pcibios_root_bridge_prepare() to pci_create_host_bridge()
Date: Tue, 21 Apr 2015 11:34:32 +0000	[thread overview]
Message-ID: <1429616088-10249-14-git-send-email-wangyijing@huawei.com> (raw)
In-Reply-To: <1429616088-10249-1-git-send-email-wangyijing@huawei.com>

Move pcibios_root_bridge_prepare() to pci_create_host_bridge().

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
---
 drivers/pci/host-bridge.c |   16 +++++++++++++---
 drivers/pci/probe.c       |    3 ---
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c
index b1cc6ef..6309970 100644
--- a/drivers/pci/host-bridge.c
+++ b/drivers/pci/host-bridge.c
@@ -109,9 +109,7 @@ struct pci_host_bridge *pci_create_host_bridge(
 		if (tmp->domain = host->domain
 			  && pci_host_busn_res_check(host, tmp)) {
 			mutex_unlock(&pci_host_mutex);
-			pci_free_resource_list(&host->windows);
-			kfree(host);
-			return NULL;
+			goto free_res;
 		}
 	}
 	list_add_tail(&host->list, &pci_host_bridge_list);
@@ -122,6 +120,10 @@ struct pci_host_bridge *pci_create_host_bridge(
 	dev_set_name(&host->dev, "pci%04x:%02x",
 			host->domain, bus);
 
+	error = pcibios_root_bridge_prepare(host);
+	if (error)
+		goto list_del;
+
 	error = device_register(&host->dev);
 	if (error) {
 		put_device(&host->dev);
@@ -129,6 +131,14 @@ struct pci_host_bridge *pci_create_host_bridge(
 	}
 
 	return host;
+list_del:
+	mutex_lock(&pci_host_mutex);
+	list_del(&host->list);
+	mutex_unlock(&pci_host_mutex);
+free_res:
+	pci_free_resource_list(&host->windows);
+	kfree(host);
+	return NULL;
 }
 
 void pci_free_host_bridge(struct pci_host_bridge *host)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 3c53fe7..e75b27c 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1902,9 +1902,6 @@ static struct pci_bus *__pci_create_root_bus(
 
 	bridge->bus = b;
 	b->bridge = get_device(&bridge->dev);
-	error = pcibios_root_bridge_prepare(bridge);
-	if (error)
-		goto put_bridge;
 
 	pcibios_set_root_bus_speed(bridge);
 	device_enable_async_suspend(b->bridge);
-- 
1.7.1


  parent reply	other threads:[~2015-04-21 11:34 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-21 11:34 [PATCH v10 00/29] Refine PCI scan interfaces and make generic pci host bridge Yijing Wang
2015-04-21 11:34 ` [PATCH v10 01/29] xen/PCI: Don't use deprecated function pci_scan_bus_parented() Yijing Wang
2015-04-21 11:34 ` [PATCH v10 02/29] PCI: Remove deprecated pci_scan_bus_parented() Yijing Wang
2015-04-21 11:34 ` [PATCH v10 03/29] PCI: Save domain in pci_host_bridge Yijing Wang
2015-04-21 11:34 ` [PATCH v10 04/29] PCI: Move pci_bus_assign_domain_nr() declaration into drivers/pci/pci.h Yijing Wang
2015-04-21 11:34 ` [PATCH v10 05/29] PCI: Remove argument bus for pci_create_root_bus() Yijing Wang
2015-04-21 11:34 ` [PATCH v10 06/29] PCI: Alloc busn resource dynamically for pci_scan_bus() Yijing Wang
2015-04-21 11:34 ` [PATCH v10 07/29] PCI: Allocate busn resource for pci_scan_root_bus() Yijing Wang
2015-04-21 11:34 ` [PATCH v10 08/29] PCI: Introduce pci_host_assign_domain_nr() to assign domain Yijing Wang
2015-04-21 11:34 ` [PATCH v10 09/29] PCI: Separate pci_host_bridge creation out of pci_create_root_bus() Yijing Wang
2015-04-21 11:34 ` [PATCH v10 10/29] PCI: Introduce pci_host_bridge_list to manage host bridges Yijing Wang
2015-04-21 11:34 ` [PATCH v10 11/29] PCI: Save sysdata in pci_host_bridge drvdata Yijing Wang
2015-04-21 11:34 ` [PATCH v10 12/29] powerpc/PCI: Rename pcibios_root_bridge_prepare() to pcibios_set_root_bus_speed() Yijing Wang
2015-04-21 11:34 ` Yijing Wang [this message]
2015-04-21 11:34 ` [PATCH v10 14/29] PCI: Introduce pci_host_bridge_ops to support host specific operations Yijing Wang
2015-04-21 11:34 ` [PATCH v10 15/29] PCI: Introduce new scan function pci_scan_host_bridge() Yijing Wang
2015-04-21 11:34 ` [PATCH v10 16/29] PCI: Introduce pci_bus_child_max_busnr() Yijing Wang
2015-04-21 11:34 ` [PATCH v10 17/29] x86/PCI: Refine pci_acpi_scan_root() with generic pci_host_bridge Yijing Wang
2015-04-21 11:34 ` [PATCH v10 18/29] ia64/PCI: " Yijing Wang
2015-04-21 11:34 ` [PATCH v10 19/29] powerpc/pci: Use pci_scan_host_bridge() for simplicity Yijing Wang
2015-04-21 11:34 ` [PATCH v10 20/29] PCI: Remove pcibios_root_bridge_prepare() and pcibos_set_root_bus_speed() Yijing Wang
2015-04-21 11:34 ` [PATCH v10 21/29] sparc/PCI: Use pci_scan_host_bridge() for simplicity Yijing Wang
2015-04-21 11:34 ` [PATCH v10 22/29] parisc/PCI: Use pci_scan_root_bus() " Yijing Wang
2015-04-21 11:34 ` [PATCH v10 23/29] PCI/mvebu: Use pci_common_init_dev() to simplify code Yijing Wang
2015-04-21 11:34 ` [PATCH v10 24/29] PCI/tegra: Remove redundant tegra_pcie_scan_bus() Yijing Wang
2015-04-21 11:34 ` [PATCH v10 25/29] PCI/designware: Use pci_scan_root_bus() for simplicity Yijing Wang
2015-04-21 11:34 ` [PATCH v10 26/29] PCI/xgene: Use pci_scan_root_bus() instead of pci_create_root_bus() Yijing Wang
2015-04-21 11:34 ` [PATCH v10 27/29] PCI: Rename __pci_create_root_bus() to pci_create_root_bus() Yijing Wang
2015-04-21 11:34 ` [PATCH v10 28/29] PCI: Remove platform specific pci_domain_nr() Yijing Wang
2015-04-21 11:34 ` [PATCH v10 29/29] PCI: Remove pci_bus_assign_domain_nr() Yijing Wang
2015-04-27  4:09 ` [PATCH v10 00/29] Refine PCI scan interfaces and make generic pci host bridge Daniel Axtens
2015-04-27  6:25   ` Yijing Wang

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