linux-kernel - [PATCH v6-resend 06/17] PCI, PCI Hotplug: introduce slot

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Message-ID: <20081014072532.24319.69966.stgit@bob.kio>
Date:	Tue, 14 Oct 2008 01:25:32 -0600
From:	Alex Chiang <achiang@...com>
To:	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	jbarnes@...tuousgeek.org, kristen.c.accardi@...el.com,
	matthew@....cx, kaneshige.kenji@...fujitsu.com,
	Alex Chiang <achiang@...com>
Subject: [PATCH v6-resend 06/17] PCI, PCI Hotplug: introduce slot_name helpers

In preparation for cleaning up the various hotplug drivers
such that they don't have to manage their own 'name' parameters
anymore, we provide the following convenience functions:

	pci_slot_name()
	hotplug_slot_name()

These helpers will be used by individual hotplug drivers.

Cc: jbarnes@...tuousgeek.org
Cc: kristen.c.accardi@...el.com
Cc: matthew@....cx
Cc: kaneshige.kenji@...fujitsu.com
Signed-off-by: Alex Chiang <achiang@...com>
---

 drivers/pci/slot.c          |    2 +-
 include/linux/pci.h         |    5 +++++
 include/linux/pci_hotplug.h |    5 +++++
 3 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index b6ee352..4dd1c3e 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -121,7 +121,7 @@ static int rename_slot(struct pci_slot *slot, const char *name)
 	int result = 0;
 	char *slot_name;
 
-	if (strcmp(kobject_name(&slot->kobj), name) == 0)
+	if (strcmp(pci_slot_name(slot), name) == 0)
 		return result;
 
 	slot_name = make_slot_name(name);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 7150898..29e58ee 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -64,6 +64,11 @@ struct pci_slot {
 	struct kobject kobj;
 };
 
+static inline const char *pci_slot_name(const struct pci_slot *slot)
+{
+	return kobject_name(&slot->kobj);
+}
+
 /* File state for mmap()s on /proc/bus/pci/X/Y */
 enum pci_mmap_state {
 	pci_mmap_io,
diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
index 5efba66..a3a3245 100644
--- a/include/linux/pci_hotplug.h
+++ b/include/linux/pci_hotplug.h
@@ -165,6 +165,11 @@ struct hotplug_slot {
 };
 #define to_hotplug_slot(n) container_of(n, struct hotplug_slot, kobj)
 
+static inline const char *hotplug_slot_name(const struct hotplug_slot *slot)
+{
+	return pci_slot_name(slot->pci_slot);
+}
+
 extern int pci_hp_register(struct hotplug_slot *, struct pci_bus *, int nr,
 			   const char *name);
 extern int pci_hp_deregister(struct hotplug_slot *slot);

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