[PATCH v4 05/30] PCI: Rename pci_scan_bus() to pci_scan_bus_legacy()

[Yijing Wang]

Pci_scan_bus() is called by legacy pci host drivers,
the legacy host drivers mean they use NULL as parent
device, use all IO/MEM as default resources. Rename
pci_scan_bus() to pci_scan_bus_legacy() for better
readability.

Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
---
 arch/alpha/kernel/sys_nautilus.c  |    2 +-
 arch/m68k/coldfire/pci.c          |    2 +-
 arch/sparc/kernel/pcic.c          |    2 +-
 arch/unicore32/kernel/pci.c       |    2 +-
 drivers/pci/hotplug/ibmphp_core.c |    2 +-
 drivers/pci/probe.c               |    4 ++--
 include/linux/pci.h               |    2 +-
 7 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c
index 4ae4a40..2c864bb 100644
--- a/arch/alpha/kernel/sys_nautilus.c
+++ b/arch/alpha/kernel/sys_nautilus.c
@@ -206,7 +206,7 @@ nautilus_init_pci(void)
 	unsigned long memtop = max_low_pfn << PAGE_SHIFT;
 
 	/* Scan our single hose.  */
-	bus = pci_scan_bus(0, alpha_mv.pci_ops, hose);
+	bus = pci_scan_bus_legacy(0, alpha_mv.pci_ops, hose);
 	hose->bus = bus;
 	pcibios_claim_one_bus(bus);
 
diff --git a/arch/m68k/coldfire/pci.c b/arch/m68k/coldfire/pci.c
index d45f087..0ef4dd4 100644
--- a/arch/m68k/coldfire/pci.c
+++ b/arch/m68k/coldfire/pci.c
@@ -312,7 +312,7 @@ static int __init mcf_pci_init(void)
 	set_current_state(TASK_UNINTERRUPTIBLE);
 	schedule_timeout(msecs_to_jiffies(200));
 
-	rootbus = pci_scan_bus(0, &mcf_pci_ops, NULL);
+	rootbus = pci_scan_bus_legacy(0, &mcf_pci_ops, NULL);
 	rootbus->resource[0] = &mcf_pci_io;
 	rootbus->resource[1] = &mcf_pci_mem;
 
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index 7a82fe2..f7edc97 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -390,7 +390,7 @@ static void __init pcic_pbm_scan_bus(struct linux_pcic *pcic)
 {
 	struct linux_pbm_info *pbm = &pcic->pbm;
 
-	pbm->pci_bus = pci_scan_bus(pbm->pci_first_busno, &pcic_ops, pbm);
+	pbm->pci_bus = pci_scan_bus_legacy(pbm->pci_first_busno, &pcic_ops, pbm);
 	if (pbm->pci_bus)
 		pci_bus_add_devices(pbm->pci_bus);
 #if 0 /* deadwood transplanted from sparc64 */
diff --git a/arch/unicore32/kernel/pci.c b/arch/unicore32/kernel/pci.c
index 3d82024..2e238b4 100644
--- a/arch/unicore32/kernel/pci.c
+++ b/arch/unicore32/kernel/pci.c
@@ -258,7 +258,7 @@ static int __init pci_common_init(void)
 
 	pci_puv3_preinit();
 
-	puv3_bus = pci_scan_bus(0, &pci_puv3_ops, NULL);
+	puv3_bus = pci_scan_bus_legacy(0, &pci_puv3_ops, NULL);
 
 	if (!puv3_bus)
 		panic("PCI: unable to scan bus!");
diff --git a/drivers/pci/hotplug/ibmphp_core.c b/drivers/pci/hotplug/ibmphp_core.c
index 86e3bfd..4ade1b4 100644
--- a/drivers/pci/hotplug/ibmphp_core.c
+++ b/drivers/pci/hotplug/ibmphp_core.c
@@ -765,7 +765,7 @@ static u8 bus_structure_fixup(u8 busno)
 					(l != 0x0000) && (l != 0xffff)) {
 			debug("%s - Inside bus_structure_fixup()\n",
 							__func__);
-			b = pci_scan_bus(busno, ibmphp_pci_bus->ops, NULL);
+			b = pci_scan_bus_legacy(busno, ibmphp_pci_bus->ops, NULL);
 			if (b)
 				pci_bus_add_devices(b);
 			break;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 699a238..ccab9b1 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -2091,7 +2091,7 @@ struct pci_bus *pci_scan_root_bus(struct device *parent, int bus,
 }
 EXPORT_SYMBOL(pci_scan_root_bus);
 
-struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops,
+struct pci_bus *pci_scan_bus_legacy(int bus, struct pci_ops *ops,
 					void *sysdata)
 {
 	LIST_HEAD(resources);
@@ -2108,7 +2108,7 @@ struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops,
 	}
 	return b;
 }
-EXPORT_SYMBOL(pci_scan_bus);
+EXPORT_SYMBOL(pci_scan_bus_legacy);
 
 /**
  * pci_rescan_bus_bridge_resize - scan a PCI bus for devices.
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 36effb8..6dffc57 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -769,7 +769,7 @@ void pcibios_bus_to_resource(struct pci_bus *bus, struct resource *res,
 void pcibios_scan_specific_bus(int busn);
 struct pci_bus *pci_find_bus(int domain, int busnr);
 void pci_bus_add_devices(const struct pci_bus *bus);
-struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata);
+struct pci_bus *pci_scan_bus_legacy(int bus, struct pci_ops *ops, void *sysdata);
 struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
 				    struct pci_ops *ops, void *sysdata,
 				    struct list_head *resources);
-- 
1.7.1

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