[PATCH v4 07/15] PCI: cpqphp: stop managing hotplug_slot->name

!MAILaRCHIVE_VOTE_RePLACE
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
To: <linux-pci@...>, <linux-kernel@...>
Cc: <jbarnes@...>, <kristen.c.accardi@...>, Alex Chiang <achiang@...>
Date: Friday, October 3, 2008 - 7:18 pm

We no longer need to manage our version of hotplug_slot->name
since the PCI and hotplug core manage it on our behalf.

Now, we simply advise the PCI core of the name that we would
like, and let the core take care of the rest.

Cc: jbarnes@virtuousgeek.org
Cc: kristen.c.accardi@intel.com
Signed-off-by: Alex Chiang <achiang@hp.com>
---

 drivers/pci/hotplug/cpqphp.h      |   13 ++++-------
 drivers/pci/hotplug/cpqphp_core.c |   42 +++++++++++++++++--------------------
 2 files changed, 24 insertions(+), 31 deletions(-)

diff --git a/drivers/pci/hotplug/cpqphp.h b/drivers/pci/hotplug/cpqphp.h
index b1decfa..afaf8f6 100644
--- a/drivers/pci/hotplug/cpqphp.h
+++ b/drivers/pci/hotplug/cpqphp.h
@@ -449,6 +449,11 @@ extern u8 cpqhp_disk_irq;
 
 /* inline functions */
 
+static inline char *slot_name(struct slot *slot)
+{
+	return hotplug_slot_name(slot->hotplug_slot);
+}
+
 /*
  * return_resource
  *
@@ -696,14 +701,6 @@ static inline int get_presence_status(struct controller *ctrl, struct slot *slot
 	return presence_save;
 }
 
-#define SLOT_NAME_SIZE 10
-
-static inline void make_slot_name(char *buffer, int buffer_size, struct slot *slot)
-{
-	snprintf(buffer, buffer_size, "%d", slot->number);
-}
-
-
 static inline int wait_for_ctrl_irq(struct controller *ctrl)
 {
         DECLARE_WAITQUEUE(wait, current);
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index a7fe458..724d42c 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -315,14 +315,15 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	kfree(slot->hotplug_slot->info);
-	kfree(slot->hotplug_slot->name);
 	kfree(slot->hotplug_slot);
 	kfree(slot);
 }
 
+#define SLOT_NAME_SIZE 10
+
 static int ctrl_slot_setup(struct controller *ctrl,
 			void __iomem *smbios_start,
 			void __iomem *smbios_table)
@@ -335,6 +336,7 @@ static int ctrl_slot_setup(struct controller *ctrl,
 	u8 slot_number;
 	u8 ctrl_slot;
 	u32 tempdword;
+	char name[SLOT_NAME_SIZE];
 	void __iomem *slot_entry= NULL;
 	int result = -ENOMEM;
 
@@ -363,16 +365,12 @@ static int ctrl_slot_setup(struct controller *ctrl,
 		if (!hotplug_slot->info)
 			goto error_hpslot;
 		hotplug_slot_info = hotplug_slot->info;
-		hotplug_slot->name = kmalloc(SLOT_NAME_SIZE, GFP_KERNEL);
-
-		if (!hotplug_slot->name)
-			goto error_info;
 
 		slot->ctrl = ctrl;
 		slot->bus = ctrl->bus;
 		slot->device = slot_device;
 		slot->number = slot_number;
-		dbg("slot->number = %d\n", slot->number);
+		dbg("slot->number = %u\n", slot->number);
 
 		slot_entry = get_SMBIOS_entry(smbios_start, smbios_table, 9,
 					slot_entry);
@@ -418,9 +416,9 @@ static int ctrl_slot_setup(struct controller *ctrl,
 		/* register this slot with the hotplug pci core */
 		hotplug_slot->release = &release_slot;
 		hotplug_slot->private = slot;
-		make_slot_name(hotplug_slot->name, SLOT_NAME_SIZE, slot);
+		snprintf(name, SLOT_NAME_SIZE, "%u", slot->number);
 		hotplug_slot->ops = &cpqphp_hotplug_slot_ops;
-		
+
 		hotplug_slot_info->power_status = get_slot_enabled(ctrl, slot);
 		hotplug_slot_info->attention_status =
 			cpq_get_attention_status(ctrl, slot);
@@ -437,10 +435,10 @@ static int ctrl_slot_setup(struct controller *ctrl,
 		result = pci_hp_register(hotplug_slot,
 					 ctrl->pci_dev->subordinate,
 					 slot->device,
-					 hotplug_slot->name);
+					 name);
 		if (result) {
 			err("pci_hp_register failed with error %d\n", result);
-			goto error_name;
+			goto error_info;
 		}
 		
 		slot->next = ctrl->slot;
@@ -452,8 +450,6 @@ static int ctrl_slot_setup(struct controller *ctrl,
 	}
 
 	return 0;
-error_name:
-	kfree(hotplug_slot->name);
 error_info:
 	kfree(hotplug_slot_info);
 error_hpslot:
@@ -639,7 +635,7 @@ static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)
 	u8 device;
 	u8 function;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	if (cpqhp_get_bus_dev(ctrl, &bus, &devfn, slot->number) == -1)
 		return -ENODEV;
@@ -666,7 +662,7 @@ static int process_SI(struct hotplug_slot *hotplug_slot)
 	u8 device;
 	u8 function;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	if (cpqhp_get_bus_dev(ctrl, &bus, &devfn, slot->number) == -1)
 		return -ENODEV;
@@ -698,7 +694,7 @@ static int process_SS(struct hotplug_slot *hotplug_slot)
 	u8 device;
 	u8 function;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	if (cpqhp_get_bus_dev(ctrl, &bus, &devfn, slot->number) == -1)
 		return -ENODEV;
@@ -721,7 +717,7 @@ static int hardware_test(struct hotplug_slot *hotplug_slot, u32 value)
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	return cpqhp_hardware_test(ctrl, value);	
 }
@@ -732,7 +728,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = get_slot_enabled(ctrl, slot);
 	return 0;
@@ -743,7 +739,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 	
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = cpq_get_attention_status(ctrl, slot);
 	return 0;
@@ -754,7 +750,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = cpq_get_latch_status(ctrl, slot);
 
@@ -766,7 +762,7 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = get_presence_status(ctrl, slot);
 
@@ -778,7 +774,7 @@ static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = ctrl->speed_capability;
 
@@ -790,7 +786,7 @@ static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = ctrl->speed;
 

--
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:
[PATCH v4 00/15] PCI: let the core manage slot names, Alex Chiang, (Fri Oct 3, 7:17 pm)
Re: [PATCH v4 00/15] PCI: let the core manage slot names, Kenji Kaneshige, (Wed Oct 8, 2:31 am)
Re: [PATCH v4 00/15] PCI: let the core manage slot names, Kenji Kaneshige, (Thu Oct 9, 1:01 am)
[03/03] Sample patch for [PATCH v4 14/15], Kenji Kaneshige, (Wed Oct 8, 2:36 am)
[02/03] Sample patch for [PATCH v4 03/15], Kenji Kaneshige, (Wed Oct 8, 2:34 am)
[01/03] Sample patch for [PATCH v4 02/15] , Kenji Kaneshige, (Wed Oct 8, 2:33 am)
[PATCH v4 14/15] PCI: Hotplug core: remove 'name', Alex Chiang, (Fri Oct 3, 7:18 pm)
[PATCH v4 07/15] PCI: cpqphp: stop managing hotplug_slot->name, Alex Chiang, (Fri Oct 3, 7:18 pm)
[PATCH v4 03/15] PCI: prevent duplicate slot names, Alex Chiang, (Fri Oct 3, 7:17 pm)
Re: [PATCH v4 03/15] PCI: prevent duplicate slot names, Kenji Kaneshige, (Wed Oct 8, 2:00 am)
Re: [PATCH v4 03/15] PCI: prevent duplicate slot names, Alex Chiang, (Thu Oct 9, 12:12 am)