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path: root/drivers/pci/hotplug/pcihp_skeleton.c
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Diffstat (limited to 'drivers/pci/hotplug/pcihp_skeleton.c')
-rw-r--r--drivers/pci/hotplug/pcihp_skeleton.c81
1 files changed, 43 insertions, 38 deletions
diff --git a/drivers/pci/hotplug/pcihp_skeleton.c b/drivers/pci/hotplug/pcihp_skeleton.c
index 50bcd3fe61d..d062c008fc9 100644
--- a/drivers/pci/hotplug/pcihp_skeleton.c
+++ b/drivers/pci/hotplug/pcihp_skeleton.c
@@ -51,15 +51,15 @@ static LIST_HEAD(slot_list);
#define dbg(format, arg...) \
do { \
if (debug) \
- printk (KERN_DEBUG "%s: " format "\n", \
- MY_NAME , ## arg); \
+ printk(KERN_DEBUG "%s: " format "\n", \
+ MY_NAME , ## arg); \
} while (0)
#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME , ## arg)
/* local variables */
-static int debug;
+static bool debug;
static int num_slots;
#define DRIVER_VERSION "0.3"
@@ -82,7 +82,6 @@ static int get_latch_status (struct hotplug_slot *slot, u8 *value);
static int get_adapter_status (struct hotplug_slot *slot, u8 *value);
static struct hotplug_slot_ops skel_hotplug_slot_ops = {
- .owner = THIS_MODULE,
.enable_slot = enable_slot,
.disable_slot = disable_slot,
.set_attention_status = set_attention_status,
@@ -98,7 +97,7 @@ static int enable_slot(struct hotplug_slot *hotplug_slot)
struct slot *slot = hotplug_slot->private;
int retval = 0;
- dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
+ dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
/*
* Fill in code here to enable the specified slot
@@ -112,7 +111,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
struct slot *slot = hotplug_slot->private;
int retval = 0;
- dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
+ dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
/*
* Fill in code here to disable the specified slot
@@ -126,21 +125,21 @@ static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
struct slot *slot = hotplug_slot->private;
int retval = 0;
- dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
+ dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
switch (status) {
- case 0:
- /*
- * Fill in code here to turn light off
- */
- break;
-
- case 1:
- default:
- /*
- * Fill in code here to turn light on
- */
- break;
+ case 0:
+ /*
+ * Fill in code here to turn light off
+ */
+ break;
+
+ case 1:
+ default:
+ /*
+ * Fill in code here to turn light on
+ */
+ break;
}
return retval;
@@ -151,15 +150,15 @@ static int hardware_test(struct hotplug_slot *hotplug_slot, u32 value)
struct slot *slot = hotplug_slot->private;
int retval = 0;
- dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
+ dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
switch (value) {
- case 0:
- /* Specify a test here */
- break;
- case 1:
- /* Specify another test here */
- break;
+ case 0:
+ /* Specify a test here */
+ break;
+ case 1:
+ /* Specify another test here */
+ break;
}
return retval;
@@ -170,7 +169,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
struct slot *slot = hotplug_slot->private;
int retval = 0;
- dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
+ dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
/*
* Fill in logic to get the current power status of the specific
@@ -185,7 +184,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
struct slot *slot = hotplug_slot->private;
int retval = 0;
- dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
+ dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
/*
* Fill in logic to get the current attention status of the specific
@@ -200,7 +199,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
struct slot *slot = hotplug_slot->private;
int retval = 0;
- dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
+ dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
/*
* Fill in logic to get the current latch status of the specific
@@ -215,7 +214,7 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
struct slot *slot = hotplug_slot->private;
int retval = 0;
- dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
+ dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
/*
* Fill in logic to get the current adapter status of the specific
@@ -229,7 +228,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
{
struct slot *slot = hotplug_slot->private;
- dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
+ dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
kfree(slot->hotplug_slot->info);
kfree(slot->hotplug_slot);
kfree(slot);
@@ -253,7 +252,7 @@ static int __init init_slots(void)
struct slot *slot;
struct hotplug_slot *hotplug_slot;
struct hotplug_slot_info *info;
- int retval = -ENOMEM;
+ int retval;
int i;
/*
@@ -262,17 +261,23 @@ static int __init init_slots(void)
*/
for (i = 0; i < num_slots; ++i) {
slot = kzalloc(sizeof(*slot), GFP_KERNEL);
- if (!slot)
+ if (!slot) {
+ retval = -ENOMEM;
goto error;
+ }
hotplug_slot = kzalloc(sizeof(*hotplug_slot), GFP_KERNEL);
- if (!hotplug_slot)
+ if (!hotplug_slot) {
+ retval = -ENOMEM;
goto error_slot;
+ }
slot->hotplug_slot = hotplug_slot;
info = kzalloc(sizeof(*info), GFP_KERNEL);
- if (!info)
+ if (!info) {
+ retval = -ENOMEM;
goto error_hpslot;
+ }
hotplug_slot->info = info;
slot->number = i;
@@ -282,7 +287,7 @@ static int __init init_slots(void)
hotplug_slot->release = &release_slot;
make_slot_name(slot);
hotplug_slot->ops = &skel_hotplug_slot_ops;
-
+
/*
* Initialize the slot info structure with some known
* good values.
@@ -291,7 +296,7 @@ static int __init init_slots(void)
get_attention_status(hotplug_slot, &info->attention_status);
get_latch_status(hotplug_slot, &info->latch_status);
get_adapter_status(hotplug_slot, &info->adapter_status);
-
+
dbg("registering slot %d\n", i);
retval = pci_hp_register(slot->hotplug_slot);
if (retval) {
@@ -331,7 +336,7 @@ static void __exit cleanup_slots(void)
pci_hp_deregister(slot->hotplug_slot);
}
}
-
+
static int __init pcihp_skel_init(void)
{
int retval;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 08:27:00 +0000