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path: root/drivers/pci/hotplug/pci_hotplug_core.c
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Diffstat (limited to 'drivers/pci/hotplug/pci_hotplug_core.c')
-rw-r--r--drivers/pci/hotplug/pci_hotplug_core.c132
1 files changed, 68 insertions, 64 deletions
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index 535fce0f07f9..ff32c6b4ae13 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -347,125 +347,126 @@ static struct pci_slot_attribute hotplug_slot_attr_test = {
.store = test_write_file
};
-static int has_power_file(struct pci_slot *pci_slot)
+static bool has_power_file(struct pci_slot *pci_slot)
{
struct hotplug_slot *slot = pci_slot->hotplug;
if ((!slot) || (!slot->ops))
- return -ENODEV;
+ return false;
if ((slot->ops->enable_slot) ||
(slot->ops->disable_slot) ||
(slot->ops->get_power_status))
- return 0;
- return -ENOENT;
+ return true;
+ return false;
}
-static int has_attention_file(struct pci_slot *pci_slot)
+static bool has_attention_file(struct pci_slot *pci_slot)
{
struct hotplug_slot *slot = pci_slot->hotplug;
if ((!slot) || (!slot->ops))
- return -ENODEV;
+ return false;
if ((slot->ops->set_attention_status) ||
(slot->ops->get_attention_status))
- return 0;
- return -ENOENT;
+ return true;
+ return false;
}
-static int has_latch_file(struct pci_slot *pci_slot)
+static bool has_latch_file(struct pci_slot *pci_slot)
{
struct hotplug_slot *slot = pci_slot->hotplug;
if ((!slot) || (!slot->ops))
- return -ENODEV;
+ return false;
if (slot->ops->get_latch_status)
- return 0;
- return -ENOENT;
+ return true;
+ return false;
}
-static int has_adapter_file(struct pci_slot *pci_slot)
+static bool has_adapter_file(struct pci_slot *pci_slot)
{
struct hotplug_slot *slot = pci_slot->hotplug;
if ((!slot) || (!slot->ops))
- return -ENODEV;
+ return false;
if (slot->ops->get_adapter_status)
- return 0;
- return -ENOENT;
+ return true;
+ return false;
}
-static int has_max_bus_speed_file(struct pci_slot *pci_slot)
+static bool has_max_bus_speed_file(struct pci_slot *pci_slot)
{
struct hotplug_slot *slot = pci_slot->hotplug;
if ((!slot) || (!slot->ops))
- return -ENODEV;
+ return false;
if (slot->ops->get_max_bus_speed)
- return 0;
- return -ENOENT;
+ return true;
+ return false;
}
-static int has_cur_bus_speed_file(struct pci_slot *pci_slot)
+static bool has_cur_bus_speed_file(struct pci_slot *pci_slot)
{
struct hotplug_slot *slot = pci_slot->hotplug;
if ((!slot) || (!slot->ops))
- return -ENODEV;
+ return false;
if (slot->ops->get_cur_bus_speed)
- return 0;
- return -ENOENT;
+ return true;
+ return false;
}
-static int has_test_file(struct pci_slot *pci_slot)
+static bool has_test_file(struct pci_slot *pci_slot)
{
struct hotplug_slot *slot = pci_slot->hotplug;
if ((!slot) || (!slot->ops))
- return -ENODEV;
+ return false;
if (slot->ops->hardware_test)
- return 0;
- return -ENOENT;
+ return true;
+ return false;
}
static int fs_add_slot(struct pci_slot *slot)
{
int retval = 0;
- if (has_power_file(slot) == 0) {
- retval = sysfs_create_file(&slot->kobj, &hotplug_slot_attr_power.attr);
+ if (has_power_file(slot)) {
+ retval = sysfs_create_file(&slot->kobj,
+ &hotplug_slot_attr_power.attr);
if (retval)
goto exit_power;
}
- if (has_attention_file(slot) == 0) {
+ if (has_attention_file(slot)) {
retval = sysfs_create_file(&slot->kobj,
&hotplug_slot_attr_attention.attr);
if (retval)
goto exit_attention;
}
- if (has_latch_file(slot) == 0) {
+ if (has_latch_file(slot)) {
retval = sysfs_create_file(&slot->kobj,
&hotplug_slot_attr_latch.attr);
if (retval)
goto exit_latch;
}
- if (has_adapter_file(slot) == 0) {
+ if (has_adapter_file(slot)) {
retval = sysfs_create_file(&slot->kobj,
&hotplug_slot_attr_presence.attr);
if (retval)
goto exit_adapter;
}
- if (has_max_bus_speed_file(slot) == 0) {
+ if (has_max_bus_speed_file(slot)) {
retval = sysfs_create_file(&slot->kobj,
- &hotplug_slot_attr_max_bus_speed.attr);
+ &hotplug_slot_attr_max_bus_speed.attr);
if (retval)
goto exit_max_speed;
}
- if (has_cur_bus_speed_file(slot) == 0) {
+ if (has_cur_bus_speed_file(slot)) {
retval = sysfs_create_file(&slot->kobj,
- &hotplug_slot_attr_cur_bus_speed.attr);
+ &hotplug_slot_attr_cur_bus_speed.attr);
if (retval)
goto exit_cur_speed;
}
- if (has_test_file(slot) == 0) {
+ if (has_test_file(slot)) {
retval = sysfs_create_file(&slot->kobj,
&hotplug_slot_attr_test.attr);
if (retval)
@@ -475,27 +476,26 @@ static int fs_add_slot(struct pci_slot *slot)
goto exit;
exit_test:
- if (has_cur_bus_speed_file(slot) == 0)
- sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_cur_bus_speed.attr);
-
+ if (has_cur_bus_speed_file(slot))
+ sysfs_remove_file(&slot->kobj,
+ &hotplug_slot_attr_cur_bus_speed.attr);
exit_cur_speed:
- if (has_max_bus_speed_file(slot) == 0)
- sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_max_bus_speed.attr);
-
+ if (has_max_bus_speed_file(slot))
+ sysfs_remove_file(&slot->kobj,
+ &hotplug_slot_attr_max_bus_speed.attr);
exit_max_speed:
- if (has_adapter_file(slot) == 0)
- sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_presence.attr);
-
+ if (has_adapter_file(slot))
+ sysfs_remove_file(&slot->kobj,
+ &hotplug_slot_attr_presence.attr);
exit_adapter:
- if (has_latch_file(slot) == 0)
+ if (has_latch_file(slot))
sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_latch.attr);
-
exit_latch:
- if (has_attention_file(slot) == 0)
- sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_attention.attr);
-
+ if (has_attention_file(slot))
+ sysfs_remove_file(&slot->kobj,
+ &hotplug_slot_attr_attention.attr);
exit_attention:
- if (has_power_file(slot) == 0)
+ if (has_power_file(slot))
sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_power.attr);
exit_power:
exit:
@@ -504,25 +504,29 @@ exit:
static void fs_remove_slot(struct pci_slot *slot)
{
- if (has_power_file(slot) == 0)
+ if (has_power_file(slot))
sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_power.attr);
- if (has_attention_file(slot) == 0)
- sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_attention.attr);
+ if (has_attention_file(slot))
+ sysfs_remove_file(&slot->kobj,
+ &hotplug_slot_attr_attention.attr);
- if (has_latch_file(slot) == 0)
+ if (has_latch_file(slot))
sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_latch.attr);
- if (has_adapter_file(slot) == 0)
- sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_presence.attr);
+ if (has_adapter_file(slot))
+ sysfs_remove_file(&slot->kobj,
+ &hotplug_slot_attr_presence.attr);
- if (has_max_bus_speed_file(slot) == 0)
- sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_max_bus_speed.attr);
+ if (has_max_bus_speed_file(slot))
+ sysfs_remove_file(&slot->kobj,
+ &hotplug_slot_attr_max_bus_speed.attr);
- if (has_cur_bus_speed_file(slot) == 0)
- sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_cur_bus_speed.attr);
+ if (has_cur_bus_speed_file(slot))
+ sysfs_remove_file(&slot->kobj,
+ &hotplug_slot_attr_cur_bus_speed.attr);
- if (has_test_file(slot) == 0)
+ if (has_test_file(slot))
sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_test.attr);
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-25 17:25:59 +0000