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Subject[PATCH 04/13] PCI: acpiphp: remove 'name' parameter
Date
We do not need to manage our own name parameter, especially since
the PCI core can change it on our behalf, in the case of duplicate
slot names.

Remove 'name' from acpiphp's version of struct slot.

Cc: jbarnes@virtuousgeek.org
Cc: kristen.c.accardi@intel.com
Cc: kaneshige.kenji@jp.fujitsu.com
Signed-off-by: Alex Chiang <achiang@hp.com>
---
drivers/pci/hotplug/acpiphp.h | 9 +++++----
drivers/pci/hotplug/acpiphp_core.c | 36 +++++++++++++++++++-----------------
2 files changed, 24 insertions(+), 21 deletions(-)
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index 5a58b07..f9e244d 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -50,9 +50,6 @@
#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)

-/* name size which is used for entries in pcihpfs */
-#define SLOT_NAME_SIZE 20 /* {_SUN} */
-
struct acpiphp_bridge;
struct acpiphp_slot;

@@ -63,9 +60,13 @@ struct slot {
struct hotplug_slot *hotplug_slot;
struct acpiphp_slot *acpi_slot;
struct hotplug_slot_info info;
- char name[SLOT_NAME_SIZE];
};

+static inline const char *slot_name(struct slot *slot)
+{
+ return hotplug_slot_name(slot->hotplug_slot);
+}
+
/*
* struct acpiphp_bridge - PCI bridge information
*
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index e984176..687cac3 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -44,6 +44,9 @@

#define MY_NAME "acpiphp"

+/* name size which is used for entries in pcihpfs */
+#define SLOT_NAME_SIZE 20 /* {_SUN} */
+
static int debug;
int acpiphp_debug;

@@ -84,7 +87,6 @@ static struct hotplug_slot_ops acpi_hotplug_slot_ops = {
.get_adapter_status = get_adapter_status,
};

-
/**
* acpiphp_register_attention - set attention LED callback
* @info: must be completely filled with LED callbacks
@@ -92,7 +94,7 @@ static struct hotplug_slot_ops acpi_hotplug_slot_ops = {
* Description: This is used to register a hardware specific ACPI
* driver that manipulates the attention LED. All the fields in
* info must be set.
- */
+ **/
int acpiphp_register_attention(struct acpiphp_attention_info *info)
{
int retval = -EINVAL;
@@ -113,7 +115,7 @@ int acpiphp_register_attention(struct acpiphp_attention_info *info)
* Description: This is used to un-register a hardware specific acpi
* driver that manipulates the attention LED. The pointer to the
* info struct must be the same as the one used to set it.
- */
+ **/
int acpiphp_unregister_attention(struct acpiphp_attention_info *info)
{
int retval = -EINVAL;
@@ -136,7 +138,7 @@ static int enable_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));

/* enable the specified slot */
return acpiphp_enable_slot(slot->acpi_slot);
@@ -154,7 +156,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
struct slot *slot = hotplug_slot->private;
int retval;

- dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+ dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));

/* disable the specified slot */
retval = acpiphp_disable_slot(slot->acpi_slot);
@@ -177,7 +179,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
{
int retval = -ENODEV;

- dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+ dbg("%s - physical_slot = %s\n", __func__, hotplug_slot_name(hotplug_slot));

if (attention_info && try_module_get(attention_info->owner)) {
retval = attention_info->set_attn(hotplug_slot, status);
@@ -200,7 +202,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
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));

*value = acpiphp_get_power_status(slot->acpi_slot);

@@ -222,7 +224,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
int retval = -EINVAL;

- dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+ dbg("%s - physical_slot = %s\n", __func__, hotplug_slot_name(hotplug_slot));

if (attention_info && try_module_get(attention_info->owner)) {
retval = attention_info->get_attn(hotplug_slot, value);
@@ -245,7 +247,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
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));

*value = acpiphp_get_latch_status(slot->acpi_slot);

@@ -265,7 +267,7 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
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));

*value = acpiphp_get_adapter_status(slot->acpi_slot);

@@ -299,7 +301,7 @@ 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);
kfree(slot);
@@ -310,6 +312,7 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
{
struct slot *slot;
int retval = -ENOMEM;
+ char name[SLOT_NAME_SIZE];

slot = kzalloc(sizeof(*slot), GFP_KERNEL);
if (!slot)
@@ -321,8 +324,6 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)

slot->hotplug_slot->info = &slot->info;

- slot->hotplug_slot->name = slot->name;
-
slot->hotplug_slot->private = slot;
slot->hotplug_slot->release = &release_slot;
slot->hotplug_slot->ops = &acpi_hotplug_slot_ops;
@@ -336,12 +337,13 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
slot->hotplug_slot->info->cur_bus_speed = PCI_SPEED_UNKNOWN;

acpiphp_slot->slot = slot;
- snprintf(slot->name, sizeof(slot->name), "%u", slot->acpi_slot->sun);
+ memset(name, 0, SLOT_NAME_SIZE);
+ snprintf(name, SLOT_NAME_SIZE, "%u", slot->acpi_slot->sun);

retval = pci_hp_register(slot->hotplug_slot,
acpiphp_slot->bridge->pci_bus,
acpiphp_slot->device,
- slot->name);
+ name);
if (retval == -EBUSY)
goto error_hpslot;
if (retval) {
@@ -349,7 +351,7 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
goto error_hpslot;
}

- info("Slot [%s] registered\n", slot->hotplug_slot->name);
+ info("Slot [%s] registered\n", slot_name(slot));

return 0;
error_hpslot:
@@ -366,7 +368,7 @@ void acpiphp_unregister_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
struct slot *slot = acpiphp_slot->slot;
int retval = 0;

- info ("Slot [%s] unregistered\n", slot->hotplug_slot->name);
+ info ("Slot [%s] unregistered\n", slot_name(slot));

retval = pci_hp_deregister(slot->hotplug_slot);
if (retval)


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