Re: [PATCH v8 24/45] powerpc/pci: Rename pcibios_{add,remove}_pci_devices()

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On 02/17/2016 02:44 PM, Gavin Shan wrote:
This renames pcibios_{add,remove}_pci_devices() to avoid conflicts
with names of the weak functions in PCI subsystem, which have the
prefix "pcibios". No logical changes introduced.

Signed-off-by: Gavin Shan <gwshan@xxxxxxxxxxxxxxxxxx>
---
  arch/powerpc/include/asm/pci-bridge.h |  4 ++--
  arch/powerpc/kernel/eeh_driver.c      | 12 ++++++------
  arch/powerpc/kernel/pci-hotplug.c     | 15 +++++++--------
  drivers/pci/hotplug/rpadlpar_core.c   |  2 +-
  drivers/pci/hotplug/rpaphp_core.c     |  4 ++--
  drivers/pci/hotplug/rpaphp_pci.c      |  2 +-
  6 files changed, 19 insertions(+), 20 deletions(-)

diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 4dd6ef4..c817f38 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -263,10 +263,10 @@ static inline struct eeh_dev *pdn_to_eeh_dev(struct pci_dn *pdn)
  extern struct pci_bus *pcibios_find_pci_bus(struct device_node *dn);

  /** Remove all of the PCI devices under this bus */
-extern void pcibios_remove_pci_devices(struct pci_bus *bus);
+extern void pci_remove_pci_devices(struct pci_bus *bus);


pci_lala_pci_lala() ("pci" is used twice) looks weird, if the prefix is "pci", what other device types can they handle?...

May be pcihp_add_devices(), pcihp_remove_devices() as these as defined in pci-hotplug.c?



  /** Discover new pci devices under this bus, and add them */
-extern void pcibios_add_pci_devices(struct pci_bus *bus);
+extern void pci_add_pci_devices(struct pci_bus *bus);


  extern void isa_bridge_find_early(struct pci_controller *hose);
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index fb6207d..59e53fe 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -621,7 +621,7 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
  	 * We don't remove the corresponding PE instances because
  	 * we need the information afterwords. The attached EEH
  	 * devices are expected to be attached soon when calling
-	 * into pcibios_add_pci_devices().
+	 * into pci_add_pci_devices().
  	 */
  	eeh_pe_state_mark(pe, EEH_PE_KEEP);
  	if (bus) {
@@ -630,7 +630,7 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
  		} else {
  			eeh_pe_state_clear(pe, EEH_PE_PRI_BUS);
  			pci_lock_rescan_remove();
-			pcibios_remove_pci_devices(bus);
+			pci_remove_pci_devices(bus);
  			pci_unlock_rescan_remove();
  		}
  	} else if (frozen_bus) {
@@ -681,7 +681,7 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
  		if (pe->type & EEH_PE_VF)
  			eeh_add_virt_device(edev, NULL);
  		else
-			pcibios_add_pci_devices(bus);
+			pci_add_pci_devices(bus);
  	} else if (frozen_bus && rmv_data->removed) {
  		pr_info("EEH: Sleep 5s ahead of partial hotplug\n");
  		ssleep(5);
@@ -691,7 +691,7 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
  		if (pe->type & EEH_PE_VF)
  			eeh_add_virt_device(edev, NULL);
  		else
-			pcibios_add_pci_devices(frozen_bus);
+			pci_add_pci_devices(frozen_bus);
  	}
  	eeh_pe_state_clear(pe, EEH_PE_KEEP);

@@ -896,7 +896,7 @@ perm_error:
  			eeh_pe_dev_mode_mark(pe, EEH_DEV_REMOVED);

  			pci_lock_rescan_remove();
-			pcibios_remove_pci_devices(frozen_bus);
+			pci_remove_pci_devices(frozen_bus);
  			pci_unlock_rescan_remove();
  		}
  	}
@@ -981,7 +981,7 @@ static void eeh_handle_special_event(void)
  				bus = eeh_pe_bus_get(phb_pe);
  				eeh_pe_dev_traverse(pe,
  					eeh_report_failure, NULL);
-				pcibios_remove_pci_devices(bus);
+				pci_remove_pci_devices(bus);
  			}
  			pci_unlock_rescan_remove();
  		}
diff --git a/arch/powerpc/kernel/pci-hotplug.c b/arch/powerpc/kernel/pci-hotplug.c
index 59c4361..78bf2a1 100644
--- a/arch/powerpc/kernel/pci-hotplug.c
+++ b/arch/powerpc/kernel/pci-hotplug.c
@@ -38,20 +38,20 @@ void pcibios_release_device(struct pci_dev *dev)
  }

  /**
- * pcibios_remove_pci_devices - remove all devices under this bus
+ * pci_remove_pci_devices - remove all devices under this bus
   * @bus: the indicated PCI bus
   *
   * Remove all of the PCI devices under this bus both from the
   * linux pci device tree, and from the powerpc EEH address cache.
   */
-void pcibios_remove_pci_devices(struct pci_bus *bus)
+void pci_remove_pci_devices(struct pci_bus *bus)
  {
  	struct pci_dev *dev, *tmp;
  	struct pci_bus *child_bus;

  	/* First go down child busses */
  	list_for_each_entry(child_bus, &bus->children, node)
-		pcibios_remove_pci_devices(child_bus);
+		pci_remove_pci_devices(child_bus);

  	pr_debug("PCI: Removing devices on bus %04x:%02x\n",
  		 pci_domain_nr(bus),  bus->number);
@@ -60,11 +60,10 @@ void pcibios_remove_pci_devices(struct pci_bus *bus)
  		pci_stop_and_remove_bus_device(dev);
  	}
  }
-
-EXPORT_SYMBOL_GPL(pcibios_remove_pci_devices);
+EXPORT_SYMBOL_GPL(pci_remove_pci_devices);

  /**
- * pcibios_add_pci_devices - adds new pci devices to bus
+ * pci_add_pci_devices - adds new pci devices to bus
   * @bus: the indicated PCI bus
   *
   * This routine will find and fixup new pci devices under
@@ -74,7 +73,7 @@ EXPORT_SYMBOL_GPL(pcibios_remove_pci_devices);
   * is how this routine differs from other, similar pcibios
   * routines.)
   */
-void pcibios_add_pci_devices(struct pci_bus * bus)
+void pci_add_pci_devices(struct pci_bus *bus)
  {
  	int slotno, mode, pass, max;
  	struct pci_dev *dev;
@@ -114,4 +113,4 @@ void pcibios_add_pci_devices(struct pci_bus * bus)
  	}
  	pcibios_finish_adding_to_bus(bus);
  }
-EXPORT_SYMBOL_GPL(pcibios_add_pci_devices);
+EXPORT_SYMBOL_GPL(pci_add_pci_devices);
diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c
index b46b57d..730982b 100644
--- a/drivers/pci/hotplug/rpadlpar_core.c
+++ b/drivers/pci/hotplug/rpadlpar_core.c
@@ -380,7 +380,7 @@ int dlpar_remove_pci_slot(char *drc_name, struct device_node *dn)
  	}

  	/* Remove all devices below slot */
-	pcibios_remove_pci_devices(bus);
+	pci_remove_pci_devices(bus);

  	/* Unmap PCI IO space */
  	if (pcibios_unmap_io_space(bus)) {
diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
index 611f605..bba07b3 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
+++ b/drivers/pci/hotplug/rpaphp_core.c
@@ -404,7 +404,7 @@ static int enable_slot(struct hotplug_slot *hotplug_slot)

  	if (state == PRESENT) {
  		pci_lock_rescan_remove();
-		pcibios_add_pci_devices(slot->bus);
+		pci_add_pci_devices(slot->bus);
  		pci_unlock_rescan_remove();
  		slot->state = CONFIGURED;
  	} else if (state == EMPTY) {
@@ -426,7 +426,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
  		return -EINVAL;

  	pci_lock_rescan_remove();
-	pcibios_remove_pci_devices(slot->bus);
+	pci_remove_pci_devices(slot->bus);
  	pci_unlock_rescan_remove();
  	vm_unmap_aliases();

diff --git a/drivers/pci/hotplug/rpaphp_pci.c b/drivers/pci/hotplug/rpaphp_pci.c
index 7836d69..1099b38 100644
--- a/drivers/pci/hotplug/rpaphp_pci.c
+++ b/drivers/pci/hotplug/rpaphp_pci.c
@@ -116,7 +116,7 @@ int rpaphp_enable_slot(struct slot *slot)
  		}

  		if (list_empty(&bus->devices))
-			pcibios_add_pci_devices(bus);
+			pci_add_pci_devices(bus);

  		if (!list_empty(&bus->devices)) {
  			info->adapter_status = CONFIGURED;



--
Alexey
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