linux-kernel - [PATCH v7 22/31] parisc/PCI: Use pci_scan_root

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Message-ID: <1427114457-16687-23-git-send-email-wangyijing@huawei.com>
Date:	Mon, 23 Mar 2015 20:40:48 +0800
From:	Yijing Wang <wangyijing@...wei.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
CC:	Jiang Liu <jiang.liu@...ux.intel.com>, <linux-pci@...r.kernel.org>,
	Yinghai Lu <yinghai@...nel.org>,
	<linux-kernel@...r.kernel.org>,
	Marc Zyngier <marc.zyngier@....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>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Tony Luck <tony.luck@...el.com>, <linux-ia64@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	"Guan Xuetao" <gxt@...c.pku.edu.cn>, <linux-alpha@...r.kernel.org>,
	<linux-m68k@...ts.linux-m68k.org>, Liviu Dudau <liviu@...au.co.uk>,
	"Arnd Bergmann" <arnd@...db.de>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	"Yijing Wang" <wangyijing@...wei.com>,
	Yijing Wang <wangyijing0307@...il.com>,
	"James E.J. Bottomley" <jejb@...isc-linux.org>,
	<linux-parisc@...r.kernel.org>
Subject: [PATCH v7 22/31] parisc/PCI: Use pci_scan_root_bus() for simplicity

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

Now pci_bus_add_devices() has been ripped out
from pci_scan_root_bus(), we could use pci_scan_root_bus()
instead of pci_create_root_bus() + pci_scan_child_bus()
for simplicity.

Signed-off-by: Yijing Wang <wangyijing@...wei.com>
CC: "James E.J. Bottomley" <jejb@...isc-linux.org>
CC: linux-parisc@...r.kernel.org
---
 drivers/parisc/dino.c    |    4 ++--
 drivers/parisc/lba_pci.c |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index f375252..146c3ff 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -985,7 +985,7 @@ static int __init dino_probe(struct parisc_device *dev)
 	** It's not used to avoid chicken/egg problems
 	** with configuration accessor functions.
 	*/
-	dino_dev->hba.hba_bus = bus = pci_create_root_bus(&dev->dev,
+	dino_dev->hba.hba_bus = bus = pci_scan_root_bus(&dev->dev,
 			 0, dino_current_bus, &dino_cfg_ops, NULL, &resources);
 	if (!bus) {
 		printk(KERN_ERR "ERROR: failed to scan PCI bus on %s (duplicate bus number %d?)\n",
@@ -996,7 +996,7 @@ static int __init dino_probe(struct parisc_device *dev)
 		return 0;
 	}
 
-	max = pci_scan_child_bus(bus);
+	max = pci_bus_child_max_busnr(bus);
 	pci_bus_update_busn_res_end(bus, max);
 
 	/* This code *depends* on scanning being single threaded
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index 2949030..b630364 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -1563,14 +1563,14 @@ lba_driver_probe(struct parisc_device *dev)
 
 	dev->dev.platform_data = lba_dev;
 	lba_bus = lba_dev->hba.hba_bus =
-		pci_create_root_bus(&dev->dev, 0, lba_dev->hba.bus_num.start,
+		pci_scan_root_bus(&dev->dev, 0, lba_dev->hba.bus_num.start,
 				    cfg_ops, NULL, &resources);
 	if (!lba_bus) {
 		pci_free_resource_list(&resources);
 		return 0;
 	}
 
-	max = pci_scan_child_bus(lba_bus);
+	max = pci_bus_child_max_busnr(lba_bus);
 
 	/* This is in lieu of calling pci_assign_unassigned_resources() */
 	if (is_pdc_pat()) {
-- 
1.7.1

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