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提交 34f2c1c3 编写于 作者: L Linus Torvalds
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6:
  pci hotplug: kernel-doc fixes
  pci-aer: fix kernel-doc mistakes
  PCI: drivers/pci/pci-sysfs.c: Add missing pci_dev_put
  PCI: pcie portdriver: initialize returned value
上级 cae2f9c4 26e6c66e
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Showing with 188 addition and 185 deletion
drivers/pci/hotplug/acpiphp.h
浏览文件 @ 34f2c1c3
......@@ -66,7 +66,7 @@ struct slot {
char name[SLOT_NAME_SIZE];
};
/**
/*
* struct acpiphp_bridge - PCI bridge information
*
* for each bridge device in ACPI namespace
......@@ -97,7 +97,7 @@ struct acpiphp_bridge {
};
/**
/*
* struct acpiphp_slot - PCI slot information
*
* PCI slot information for each *physical* PCI slot
......@@ -118,7 +118,7 @@ struct acpiphp_slot {
};
/**
/*
* struct acpiphp_func - PCI function information
*
* PCI function information for each object in ACPI namespace
......@@ -137,7 +137,7 @@ struct acpiphp_func {
u32 flags; /* see below */
};
/**
/*
* struct acpiphp_attention_info - device specific attention registration
*
* ACPI has no generic method of setting/getting attention status
......
drivers/pci/hotplug/acpiphp_core.c
浏览文件 @ 34f2c1c3
......@@ -91,10 +91,10 @@ static struct hotplug_slot_ops acpi_hotplug_slot_ops = {
* acpiphp_register_attention - set attention LED callback
* @info: must be completely filled with LED callbacks
*
* Description: this is used to register a hardware specific ACPI
* 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;
......@@ -112,10 +112,10 @@ int acpiphp_register_attention(struct acpiphp_attention_info *info)
* acpiphp_unregister_attention - unset attention LED callback
* @info: must match the pointer used to register
*
* Description: this is used to un-register a hardware specific acpi
* 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;
......@@ -133,7 +133,6 @@ int acpiphp_unregister_attention(struct acpiphp_attention_info *info)
* @hotplug_slot: slot to enable
*
* Actual tasks are done in acpiphp_enable_slot()
*
*/
static int enable_slot(struct hotplug_slot *hotplug_slot)
{
......@@ -151,7 +150,6 @@ static int enable_slot(struct hotplug_slot *hotplug_slot)
* @hotplug_slot: slot to disable
*
* Actual tasks are done in acpiphp_disable_slot()
*
*/
static int disable_slot(struct hotplug_slot *hotplug_slot)
{
......@@ -168,15 +166,15 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
}
/**
* set_attention_status - set attention LED
/**
* set_attention_status - set attention LED
* @hotplug_slot: slot to set attention LED on
* @status: value to set attention LED to (0 or 1)
*
* attention status LED, so we use a callback that
* was registered with us. This allows hardware specific
* ACPI implementations to blink the light for us.
**/
*/
static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
{
int retval = -ENODEV;
......@@ -199,7 +197,6 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
*
* Some platforms may not implement _STA method properly.
* In that case, the value returned may not be reliable.
*
*/
static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
......@@ -213,7 +210,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
}
/**
/**
* get_attention_status - get attention LED status
* @hotplug_slot: slot to get status from
* @value: returns with value of attention LED
......@@ -221,8 +218,8 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
* ACPI doesn't have known method to determine the state
* of the attention status LED, so we use a callback that
* was registered with us. This allows hardware specific
* ACPI implementations to determine its state
**/
* ACPI implementations to determine its state.
*/
static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
int retval = -EINVAL;
......@@ -244,8 +241,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
* @value: pointer to store status
*
* ACPI doesn't provide any formal means to access latch status.
* Instead, we fake latch status from _STA
*
* Instead, we fake latch status from _STA.
*/
static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
......@@ -265,8 +261,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
* @value: pointer to store status
*
* ACPI doesn't provide any formal means to access adapter status.
* Instead, we fake adapter status from _STA
*
* Instead, we fake adapter status from _STA.
*/
static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
......
drivers/pci/hotplug/acpiphp_glue.c
浏览文件 @ 34f2c1c3
......@@ -82,7 +82,6 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type, void *contex
* 2. has _PS0 method
* 3. has _PS3 method
* 4. ..
*
*/
static int is_ejectable(acpi_handle handle)
{
......@@ -986,10 +985,8 @@ static int power_off_slot(struct acpiphp_slot *slot)
/**
* acpiphp_max_busnr - return the highest reserved bus number under
* the given bus.
* acpiphp_max_busnr - return the highest reserved bus number under the given bus.
* @bus: bus to start search with
*
*/
static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
{
......@@ -1018,7 +1015,6 @@ static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
/**
* acpiphp_bus_add - add a new bus to acpi subsystem
* @func: acpiphp_func of the bridge
*
*/
static int acpiphp_bus_add(struct acpiphp_func *func)
{
......@@ -1063,7 +1059,6 @@ static int acpiphp_bus_add(struct acpiphp_func *func)
/**
* acpiphp_bus_trim - trim a bus from acpi subsystem
* @handle: handle to acpi namespace
*
*/
static int acpiphp_bus_trim(acpi_handle handle)
{
......@@ -1089,7 +1084,6 @@ static int acpiphp_bus_trim(acpi_handle handle)
*
* This function should be called per *physical slot*,
* not per each slot object in ACPI namespace.
*
*/
static int enable_device(struct acpiphp_slot *slot)
{
......@@ -1185,6 +1179,7 @@ static void disable_bridges(struct pci_bus *bus)
/**
* disable_device - disable a slot
* @slot: ACPI PHP slot
*/
static int disable_device(struct acpiphp_slot *slot)
{
......@@ -1240,14 +1235,15 @@ static int disable_device(struct acpiphp_slot *slot)
/**
* get_slot_status - get ACPI slot status
* @slot: ACPI PHP slot
*
* if a slot has _STA for each function and if any one of them
* returned non-zero status, return it
* If a slot has _STA for each function and if any one of them
* returned non-zero status, return it.
*
* if a slot doesn't have _STA and if any one of its functions'
* configuration space is configured, return 0x0f as a _STA
* If a slot doesn't have _STA and if any one of its functions'
* configuration space is configured, return 0x0f as a _STA.
*
* otherwise return 0
* Otherwise return 0.
*/
static unsigned int get_slot_status(struct acpiphp_slot *slot)
{
......@@ -1281,6 +1277,7 @@ static unsigned int get_slot_status(struct acpiphp_slot *slot)
/**
* acpiphp_eject_slot - physically eject the slot
* @slot: ACPI PHP slot
*/
int acpiphp_eject_slot(struct acpiphp_slot *slot)
{
......@@ -1314,6 +1311,7 @@ int acpiphp_eject_slot(struct acpiphp_slot *slot)
/**
* acpiphp_check_bridge - re-enumerate devices
* @bridge: where to begin re-enumeration
*
* Iterate over all slots under this bridge and make sure that if a
* card is present they are enabled, and if not they are disabled.
......@@ -1538,13 +1536,11 @@ check_sub_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
/**
* handle_hotplug_event_bridge - handle ACPI event on bridges
*
* @handle: Notify()'ed acpi_handle
* @type: Notify code
* @context: pointer to acpiphp_bridge structure
*
* handles ACPI event notification on {host,p2p} bridges
*
* Handles ACPI event notification on {host,p2p} bridges.
*/
static void handle_hotplug_event_bridge(acpi_handle handle, u32 type, void *context)
{
......@@ -1634,13 +1630,11 @@ static void handle_hotplug_event_bridge(acpi_handle handle, u32 type, void *cont
/**
* handle_hotplug_event_func - handle ACPI event on functions (i.e. slots)
*
* @handle: Notify()'ed acpi_handle
* @type: Notify code
* @context: pointer to acpiphp_func structure
*
* handles ACPI event notification on slots
*
* Handles ACPI event notification on slots.
*/
static void handle_hotplug_event_func(acpi_handle handle, u32 type, void *context)
{
......@@ -1705,7 +1699,6 @@ static struct acpi_pci_driver acpi_pci_hp_driver = {
/**
* acpiphp_glue_init - initializes all PCI hotplug - ACPI glue data structures
*
*/
int __init acpiphp_glue_init(void)
{
......@@ -1726,7 +1719,7 @@ int __init acpiphp_glue_init(void)
/**
* acpiphp_glue_exit - terminates all PCI hotplug - ACPI glue data structures
*
* This function frees all data allocated in acpiphp_glue_init()
* This function frees all data allocated in acpiphp_glue_init().
*/
void acpiphp_glue_exit(void)
{
......@@ -1760,7 +1753,6 @@ int __init acpiphp_get_num_slots(void)
* acpiphp_for_each_slot - call function for each slot
* @fn: callback function
* @data: context to be passed to callback function
*
*/
static int acpiphp_for_each_slot(acpiphp_callback fn, void *data)
{
......@@ -1786,6 +1778,7 @@ static int acpiphp_for_each_slot(acpiphp_callback fn, void *data)
/**
* acpiphp_enable_slot - power on slot
* @slot: ACPI PHP slot
*/
int acpiphp_enable_slot(struct acpiphp_slot *slot)
{
......@@ -1815,6 +1808,7 @@ int acpiphp_enable_slot(struct acpiphp_slot *slot)
/**
* acpiphp_disable_slot - power off slot
* @slot: ACPI PHP slot
*/
int acpiphp_disable_slot(struct acpiphp_slot *slot)
{
......
drivers/pci/hotplug/acpiphp_ibm.c
浏览文件 @ 34f2c1c3
......@@ -134,11 +134,11 @@ static struct acpiphp_attention_info ibm_attention_info =
* ibm_slot_from_id - workaround for bad ibm hardware
* @id: the slot number that linux refers to the slot by
*
* Description: this method returns the aCPI slot descriptor
* Description: This method returns the aCPI slot descriptor
* corresponding to the Linux slot number. This descriptor
* has info about the aPCI slot id and attention status.
* This descriptor must be freed using kfree when done.
**/
*/
static union apci_descriptor *ibm_slot_from_id(int id)
{
int ind = 0, size;
......@@ -173,9 +173,9 @@ static union apci_descriptor *ibm_slot_from_id(int id)
* @slot: the hotplug_slot to work with
* @status: what to set the LED to (0 or 1)
*
* Description: this method is registered with the acpiphp module as a
* callback to do the device specific task of setting the LED status
**/
* Description: This method is registered with the acpiphp module as a
* callback to do the device specific task of setting the LED status.
*/
static int ibm_set_attention_status(struct hotplug_slot *slot, u8 status)
{
union acpi_object args[2];
......@@ -213,13 +213,13 @@ static int ibm_set_attention_status(struct hotplug_slot *slot, u8 status)
* @slot: the hotplug_slot to work with
* @status: returns what the LED is set to (0 or 1)
*
* Description: this method is registered with the acpiphp module as a
* callback to do the device specific task of getting the LED status
* Description: This method is registered with the acpiphp module as a
* callback to do the device specific task of getting the LED status.
*
* Because there is no direct method of getting the LED status directly
* from an ACPI call, we read the aPCI table and parse out our
* slot descriptor to read the status from that.
**/
*/
static int ibm_get_attention_status(struct hotplug_slot *slot, u8 *status)
{
union apci_descriptor *ibm_slot;
......@@ -245,8 +245,8 @@ static int ibm_get_attention_status(struct hotplug_slot *slot, u8 *status)
* @event: the event info (device specific)
* @context: passed context (our notification struct)
*
* Description: this method is registered as a callback with the ACPI
* subsystem it is called when this device has an event to notify the OS of
* Description: This method is registered as a callback with the ACPI
* subsystem it is called when this device has an event to notify the OS of.
*
* The events actually come from the device as two events that get
* synthesized into one event with data by this function. The event
......@@ -256,7 +256,7 @@ static int ibm_get_attention_status(struct hotplug_slot *slot, u8 *status)
* From section 5.6.2.2 of the ACPI 2.0 spec, I understand that the OSPM will
* only re-enable the interrupt that causes this event AFTER this method
* has returned, thereby enforcing serial access for the notification struct.
**/
*/
static void ibm_handle_events(acpi_handle handle, u32 event, void *context)
{
u8 detail = event & 0x0f;
......@@ -279,16 +279,16 @@ static void ibm_handle_events(acpi_handle handle, u32 event, void *context)
* ibm_get_table_from_acpi - reads the APLS buffer from ACPI
* @bufp: address to pointer to allocate for the table
*
* Description: this method reads the APLS buffer in from ACPI and
* Description: This method reads the APLS buffer in from ACPI and
* stores the "stripped" table into a single buffer
* it allocates and passes the address back in bufp
* it allocates and passes the address back in bufp.
*
* If NULL is passed in as buffer, this method only calculates
* the size of the table and returns that without filling
* in the buffer
* in the buffer.
*
* returns < 0 on error or the size of the table on success
**/
* Returns < 0 on error or the size of the table on success.
*/
static int ibm_get_table_from_acpi(char **bufp)
{
union acpi_object *package;
......@@ -349,17 +349,18 @@ static int ibm_get_table_from_acpi(char **bufp)
/**
* ibm_read_apci_table - callback for the sysfs apci_table file
* @kobj: the kobject this binary attribute is a part of
* @bin_attr: struct bin_attribute for this file
* @buffer: the kernel space buffer to fill
* @pos: the offset into the file
* @size: the number of bytes requested
*
* Description: gets registered with sysfs as the reader callback
* to be executed when /sys/bus/pci/slots/apci_table gets read
* Description: Gets registered with sysfs as the reader callback
* to be executed when /sys/bus/pci/slots/apci_table gets read.
*
* Since we don't get notified on open and close for this file,
* things get really tricky here...
* our solution is to only allow reading the table in all at once
**/
* our solution is to only allow reading the table in all at once.
*/
static ssize_t ibm_read_apci_table(struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buffer, loff_t pos, size_t size)
......@@ -385,10 +386,10 @@ static ssize_t ibm_read_apci_table(struct kobject *kobj,
* @context: a pointer to our handle to fill when we find the device
* @rv: a return value to fill if desired
*
* Description: used as a callback when calling acpi_walk_namespace
* Description: Used as a callback when calling acpi_walk_namespace
* to find our device. When this method returns non-zero
* acpi_walk_namespace quits its search and returns our value
**/
* acpi_walk_namespace quits its search and returns our value.
*/
static acpi_status __init ibm_find_acpi_device(acpi_handle handle,
u32 lvl, void *context, void **rv)
{
......
drivers/pci/hotplug/cpqphp_core.c
浏览文件 @ 34f2c1c3
......@@ -117,12 +117,10 @@ static inline int is_slot66mhz(struct slot *slot)
/**
* detect_SMBIOS_pointer - find the System Management BIOS Table in mem region.
*
* @begin: begin pointer for region to be scanned.
* @end: end pointer for region to be scanned.
*
* Returns pointer to the head of the SMBIOS tables (or NULL)
*
* Returns pointer to the head of the SMBIOS tables (or %NULL).
*/
static void __iomem * detect_SMBIOS_pointer(void __iomem *begin, void __iomem *end)
{
......@@ -157,9 +155,9 @@ static void __iomem * detect_SMBIOS_pointer(void __iomem *begin, void __iomem *e
/**
* init_SERR - Initializes the per slot SERR generation.
* @ctrl: controller to use
*
* For unexpected switch opens
*
*/
static int init_SERR(struct controller * ctrl)
{
......@@ -224,14 +222,15 @@ static int pci_print_IRQ_route (void)
/**
* get_subsequent_smbios_entry: get the next entry from bios table.
*
* Gets the first entry if previous == NULL
* Otherwise, returns the next entry
* Uses global SMBIOS Table pointer
*
* @smbios_start: where to start in the SMBIOS table
* @smbios_table: location of the SMBIOS table
* @curr: %NULL or pointer to previously returned structure
*
* returns a pointer to an SMBIOS structure or NULL if none found
* Gets the first entry if previous == NULL;
* otherwise, returns the next entry.
* Uses global SMBIOS Table pointer.
*
* Returns a pointer to an SMBIOS structure or NULL if none found.
*/
static void __iomem *get_subsequent_smbios_entry(void __iomem *smbios_start,
void __iomem *smbios_table,
......@@ -272,17 +271,18 @@ static void __iomem *get_subsequent_smbios_entry(void __iomem *smbios_start,
/**
* get_SMBIOS_entry
*
* @type:SMBIOS structure type to be returned
* get_SMBIOS_entry - return the requested SMBIOS entry or %NULL
* @smbios_start: where to start in the SMBIOS table
* @smbios_table: location of the SMBIOS table
* @type: SMBIOS structure type to be returned
* @previous: %NULL or pointer to previously returned structure
*
* Gets the first entry of the specified type if previous == NULL
* Gets the first entry of the specified type if previous == %NULL;
* Otherwise, returns the next entry of the given type.
* Uses global SMBIOS Table pointer
* Uses get_subsequent_smbios_entry
* Uses global SMBIOS Table pointer.
* Uses get_subsequent_smbios_entry.
*
* returns a pointer to an SMBIOS structure or %NULL if none found
* Returns a pointer to an SMBIOS structure or %NULL if none found.
*/
static void __iomem *get_SMBIOS_entry(void __iomem *smbios_start,
void __iomem *smbios_table,
......@@ -581,7 +581,9 @@ get_slot_mapping(struct pci_bus *bus, u8 bus_num, u8 dev_num, u8 *slot)
/**
* cpqhp_set_attention_status - Turns the Amber LED for a slot on or off
*
* @ctrl: struct controller to use
* @func: PCI device/function info
* @status: LED control flag: 1 = LED on, 0 = LED off
*/
static int
cpqhp_set_attention_status(struct controller *ctrl, struct pci_func *func,
......@@ -621,7 +623,8 @@ cpqhp_set_attention_status(struct controller *ctrl, struct pci_func *func,
/**
* set_attention_status - Turns the Amber LED for a slot on or off
*
* @hotplug_slot: slot to change LED on
* @status: LED control flag
*/
static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)
{
......
drivers/pci/hotplug/cpqphp_ctrl.c
浏览文件 @ 34f2c1c3
......@@ -123,7 +123,7 @@ static u8 handle_switch_change(u8 change, struct controller * ctrl)
}
/**
* cpqhp_find_slot: find the struct slot of given device
* cpqhp_find_slot - find the struct slot of given device
* @ctrl: scan lots of this controller
* @device: the device id to find
*/
......@@ -305,9 +305,8 @@ static u8 handle_power_fault(u8 change, struct controller * ctrl)
/**
* sort_by_size: sort nodes on the list by their length, smallest first.
* sort_by_size - sort nodes on the list by their length, smallest first.
* @head: list to sort
*
*/
static int sort_by_size(struct pci_resource **head)
{
......@@ -354,9 +353,8 @@ static int sort_by_size(struct pci_resource **head)
/**
* sort_by_max_size: sort nodes on the list by their length, largest first.
* sort_by_max_size - sort nodes on the list by their length, largest first.
* @head: list to sort
*
*/
static int sort_by_max_size(struct pci_resource **head)
{
......@@ -403,8 +401,10 @@ static int sort_by_max_size(struct pci_resource **head)
/**
* do_pre_bridge_resource_split: find node of resources that are unused
*
* do_pre_bridge_resource_split - find node of resources that are unused
* @head: new list head
* @orig_head: original list head
* @alignment: max node size (?)
*/
static struct pci_resource *do_pre_bridge_resource_split(struct pci_resource **head,
struct pci_resource **orig_head, u32 alignment)
......@@ -477,8 +477,9 @@ static struct pci_resource *do_pre_bridge_resource_split(struct pci_resource **h
/**
* do_bridge_resource_split: find one node of resources that aren't in use
*
* do_bridge_resource_split - find one node of resources that aren't in use
* @head: list head
* @alignment: max node size (?)
*/
static struct pci_resource *do_bridge_resource_split(struct pci_resource **head, u32 alignment)
{
......@@ -525,14 +526,13 @@ static struct pci_resource *do_bridge_resource_split(struct pci_resource **head,
/**
* get_io_resource: find first node of given size not in ISA aliasing window.
* get_io_resource - find first node of given size not in ISA aliasing window.
* @head: list to search
* @size: size of node to find, must be a power of two.
*
* Description: this function sorts the resource list by size and then returns
* Description: This function sorts the resource list by size and then returns
* returns the first node of "size" length that is not in the ISA aliasing
* window. If it finds a node larger than "size" it will split it up.
*
*/
static struct pci_resource *get_io_resource(struct pci_resource **head, u32 size)
{
......@@ -620,7 +620,7 @@ static struct pci_resource *get_io_resource(struct pci_resource **head, u32 size
/**
* get_max_resource: get largest node which has at least the given size.
* get_max_resource - get largest node which has at least the given size.
* @head: the list to search the node in
* @size: the minimum size of the node to find
*
......@@ -712,7 +712,7 @@ static struct pci_resource *get_max_resource(struct pci_resource **head, u32 siz
/**
* get_resource: find resource of given size and split up larger ones.
* get_resource - find resource of given size and split up larger ones.
* @head: the list to search for resources
* @size: the size limit to use
*
......@@ -804,14 +804,14 @@ static struct pci_resource *get_resource(struct pci_resource **head, u32 size)
/**
* cpqhp_resource_sort_and_combine: sort nodes by base addresses and clean up.
* cpqhp_resource_sort_and_combine - sort nodes by base addresses and clean up
* @head: the list to sort and clean up
*
* Description: Sorts all of the nodes in the list in ascending order by
* their base addresses. Also does garbage collection by
* combining adjacent nodes.
*
* returns 0 if success
* Returns %0 if success.
*/
int cpqhp_resource_sort_and_combine(struct pci_resource **head)
{
......@@ -951,9 +951,9 @@ irqreturn_t cpqhp_ctrl_intr(int IRQ, void *data)
/**
* cpqhp_slot_create - Creates a node and adds it to the proper bus.
* @busnumber - bus where new node is to be located
* @busnumber: bus where new node is to be located
*
* Returns pointer to the new node or NULL if unsuccessful
* Returns pointer to the new node or %NULL if unsuccessful.
*/
struct pci_func *cpqhp_slot_create(u8 busnumber)
{
......@@ -986,7 +986,7 @@ struct pci_func *cpqhp_slot_create(u8 busnumber)
* slot_remove - Removes a node from the linked list of slots.
* @old_slot: slot to remove
*
* Returns 0 if successful, !0 otherwise.
* Returns %0 if successful, !0 otherwise.
*/
static int slot_remove(struct pci_func * old_slot)
{
......@@ -1026,7 +1026,7 @@ static int slot_remove(struct pci_func * old_slot)
* bridge_slot_remove - Removes a node from the linked list of slots.
* @bridge: bridge to remove
*
* Returns 0 if successful, !0 otherwise.
* Returns %0 if successful, !0 otherwise.
*/
static int bridge_slot_remove(struct pci_func *bridge)
{
......@@ -1071,7 +1071,7 @@ static int bridge_slot_remove(struct pci_func *bridge)
* cpqhp_slot_find - Looks for a node by bus, and device, multiple functions accessed
* @bus: bus to find
* @device: device to find
* @index: is 0 for first function found, 1 for the second...
* @index: is %0 for first function found, %1 for the second...
*
* Returns pointer to the node if successful, %NULL otherwise.
*/
......@@ -1115,16 +1115,13 @@ static int is_bridge(struct pci_func * func)
/**
* set_controller_speed - set the frequency and/or mode of a specific
* controller segment.
*
* set_controller_speed - set the frequency and/or mode of a specific controller segment.
* @ctrl: controller to change frequency/mode for.
* @adapter_speed: the speed of the adapter we want to match.
* @hp_slot: the slot number where the adapter is installed.
*
* Returns 0 if we successfully change frequency and/or mode to match the
* Returns %0 if we successfully change frequency and/or mode to match the
* adapter speed.
*
*/
static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_slot)
{
......@@ -1253,13 +1250,14 @@ static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_
/**
* board_replaced - Called after a board has been replaced in the system.
* @func: PCI device/function information
* @ctrl: hotplug controller
*
* This is only used if we don't have resources for hot add
* Turns power on for the board
* Checks to see if board is the same
* If board is same, reconfigures it
* This is only used if we don't have resources for hot add.
* Turns power on for the board.
* Checks to see if board is the same.
* If board is same, reconfigures it.
* If board isn't same, turns it back off.
*
*/
static u32 board_replaced(struct pci_func *func, struct controller *ctrl)
{
......@@ -1403,10 +1401,11 @@ static u32 board_replaced(struct pci_func *func, struct controller *ctrl)
/**
* board_added - Called after a board has been added to the system.
* @func: PCI device/function info
* @ctrl: hotplug controller
*
* Turns power on for the board
* Configures board
*
* Turns power on for the board.
* Configures board.
*/
static u32 board_added(struct pci_func *func, struct controller *ctrl)
{
......@@ -1607,8 +1606,10 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl)
/**
* remove_board - Turns off slot and LED's
*
* remove_board - Turns off slot and LEDs
* @func: PCI device/function info
* @replace_flag: whether replacing or adding a new device
* @ctrl: target controller
*/
static u32 remove_board(struct pci_func * func, u32 replace_flag, struct controller * ctrl)
{
......@@ -1902,11 +1903,11 @@ static void interrupt_event_handler(struct controller *ctrl)
/**
* cpqhp_pushbutton_thread
* cpqhp_pushbutton_thread - handle pushbutton events
* @slot: target slot (struct)
*
* Scheduled procedure to handle blocking stuff for the pushbuttons
* Scheduled procedure to handle blocking stuff for the pushbuttons.
* Handles all pending events and exits.
*
*/
void cpqhp_pushbutton_thread(unsigned long slot)
{
......@@ -2137,9 +2138,10 @@ int cpqhp_process_SS(struct controller *ctrl, struct pci_func *func)
}
/**
* switch_leds: switch the leds, go from one site to the other.
* switch_leds - switch the leds, go from one site to the other.
* @ctrl: controller to use
* @num_of_slots: number of slots to use
* @work_LED: LED control value
* @direction: 1 to start from the left side, 0 to start right.
*/
static void switch_leds(struct controller *ctrl, const int num_of_slots,
......@@ -2165,11 +2167,11 @@ static void switch_leds(struct controller *ctrl, const int num_of_slots,
}
/**
* hardware_test - runs hardware tests
* cpqhp_hardware_test - runs hardware tests
* @ctrl: target controller
* @test_num: the number written to the "test" file in sysfs.
*
* For hot plug ctrl folks to play with.
* test_num is the number written to the "test" file in sysfs
*
*/
int cpqhp_hardware_test(struct controller *ctrl, int test_num)
{
......@@ -2249,14 +2251,12 @@ int cpqhp_hardware_test(struct controller *ctrl, int test_num)
/**
* configure_new_device - Configures the PCI header information of one board.
*
* @ctrl: pointer to controller structure
* @func: pointer to function structure
* @behind_bridge: 1 if this is a recursive call, 0 if not
* @resources: pointer to set of resource lists
*
* Returns 0 if success
*
* Returns 0 if success.
*/
static u32 configure_new_device(struct controller * ctrl, struct pci_func * func,
u8 behind_bridge, struct resource_lists * resources)
......@@ -2346,15 +2346,13 @@ static u32 configure_new_device(struct controller * ctrl, struct pci_func * func
/**
* configure_new_function - Configures the PCI header information of one device
*
* @ctrl: pointer to controller structure
* @func: pointer to function structure
* @behind_bridge: 1 if this is a recursive call, 0 if not
* @resources: pointer to set of resource lists
*
* Calls itself recursively for bridged devices.
* Returns 0 if success
*
* Returns 0 if success.
*/
static int configure_new_function(struct controller *ctrl, struct pci_func *func,
u8 behind_bridge,
......
drivers/pci/hotplug/fakephp.c
浏览文件 @ 34f2c1c3
......@@ -165,11 +165,11 @@ static void remove_slot(struct dummy_slot *dslot)
}
/**
* Rescan slot.
* Tries hard not to re-enable already existing devices
* also handles scanning of subfunctions
* pci_rescan_slot - Rescan slot
* @temp: Device template. Should be set: bus and devfn.
*
* @param temp Device template. Should be set: bus and devfn.
* Tries hard not to re-enable already existing devices;
* also handles scanning of subfunctions.
*/
static void pci_rescan_slot(struct pci_dev *temp)
{
......@@ -229,10 +229,10 @@ static void pci_rescan_slot(struct pci_dev *temp)
/**
* Rescan PCI bus.
* call pci_rescan_slot for each possible function of the bus
* pci_rescan_bus - Rescan PCI bus
* @bus: the PCI bus to rescan
*
* @param bus
* Call pci_rescan_slot for each possible function of the bus.
*/
static void pci_rescan_bus(const struct pci_bus *bus)
{
......
drivers/pci/hotplug/pciehp_ctrl.c
浏览文件 @ 34f2c1c3
......@@ -208,10 +208,10 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot)
/**
* board_added - Called after a board has been added to the system.
* @p_slot: &slot where board is added
*
* Turns power on for the board
* Configures board
*
* Turns power on for the board.
* Configures board.
*/
static int board_added(struct slot *p_slot)
{
......@@ -276,8 +276,8 @@ static int board_added(struct slot *p_slot)
}
/**
* remove_board - Turns off slot and LED's
*
* remove_board - Turns off slot and LEDs
* @p_slot: slot where board is being removed
*/
static int remove_board(struct slot *p_slot)
{
......@@ -319,11 +319,11 @@ struct power_work_info {
};
/**
* pciehp_pushbutton_thread
* pciehp_power_thread - handle pushbutton events
* @work: &struct work_struct describing work to be done
*
* Scheduled procedure to handle blocking stuff for the pushbuttons
* Scheduled procedure to handle blocking stuff for the pushbuttons.
* Handles all pending events and exits.
*
*/
static void pciehp_power_thread(struct work_struct *work)
{
......
drivers/pci/hotplug/rpadlpar_core.c
浏览文件 @ 34f2c1c3
......@@ -100,6 +100,7 @@ static struct device_node *find_dlpar_node(char *drc_name, int *node_type)
/**
* find_php_slot - return hotplug slot structure for device node
* @dn: target &device_node
*
* This routine will return the hotplug slot structure
* for a given device node. Note that built-in PCI slots
......@@ -293,9 +294,8 @@ static int dlpar_add_vio_slot(char *drc_name, struct device_node *dn)
* dlpar_add_slot - DLPAR add an I/O Slot
* @drc_name: drc-name of newly added slot
*
* Make the hotplug module and the kernel aware
* of a newly added I/O Slot.
* Return Codes -
* Make the hotplug module and the kernel aware of a newly added I/O Slot.
* Return Codes:
* 0 Success
* -ENODEV Not a valid drc_name
* -EINVAL Slot already added
......@@ -339,9 +339,9 @@ int dlpar_add_slot(char *drc_name)
/**
* dlpar_remove_vio_slot - DLPAR remove a virtual I/O Slot
* @drc_name: drc-name of newly added slot
* @dn: &device_node
*
* Remove the kernel and hotplug representations
* of an I/O Slot.
* Remove the kernel and hotplug representations of an I/O Slot.
* Return Codes:
* 0 Success
* -EINVAL Vio dev doesn't exist
......@@ -359,11 +359,11 @@ static int dlpar_remove_vio_slot(char *drc_name, struct device_node *dn)
}
/**
* dlpar_remove_slot - DLPAR remove a PCI I/O Slot
* dlpar_remove_pci_slot - DLPAR remove a PCI I/O Slot
* @drc_name: drc-name of newly added slot
* @dn: &device_node
*
* Remove the kernel and hotplug representations
* of a PCI I/O Slot.
* Remove the kernel and hotplug representations of a PCI I/O Slot.
* Return Codes:
* 0 Success
* -ENODEV Not a valid drc_name
......@@ -405,8 +405,7 @@ int dlpar_remove_pci_slot(char *drc_name, struct device_node *dn)
* dlpar_remove_slot - DLPAR remove an I/O Slot
* @drc_name: drc-name of newly added slot
*
* Remove the kernel and hotplug representations
* of an I/O Slot.
* Remove the kernel and hotplug representations of an I/O Slot.
* Return Codes:
* 0 Success
* -ENODEV Not a valid drc_name
......
drivers/pci/hotplug/rpaphp_core.c
浏览文件 @ 34f2c1c3
......@@ -54,10 +54,12 @@ module_param(debug, bool, 0644);
/**
* set_attention_status - set attention LED
* @hotplug_slot: target &hotplug_slot
* @value: LED control value
*
* echo 0 > attention -- set LED OFF
* echo 1 > attention -- set LED ON
* echo 2 > attention -- set LED ID(identify, light is blinking)
*
*/
static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 value)
{
......@@ -99,6 +101,8 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 * value)
/**
* get_attention_status - get attention LED status
* @hotplug_slot: slot to get status
* @value: pointer to store status
*/
static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 * value)
{
......@@ -254,6 +258,11 @@ static int is_php_type(char *drc_type)
/**
* is_php_dn() - return 1 if this is a hotpluggable pci slot, else 0
* @dn: target &device_node
* @indexes: passed to get_children_props()
* @names: passed to get_children_props()
* @types: returned from get_children_props()
* @power_domains:
*
* This routine will return true only if the device node is
* a hotpluggable slot. This routine will return false
......@@ -279,7 +288,7 @@ static int is_php_dn(struct device_node *dn, const int **indexes,
/**
* rpaphp_add_slot -- declare a hotplug slot to the hotplug subsystem.
* @dn device node of slot
* @dn: device node of slot
*
* This subroutine will register a hotplugable slot with the
* PCI hotplug infrastructure. This routine is typicaly called
......@@ -291,7 +300,7 @@ static int is_php_dn(struct device_node *dn, const int **indexes,
* routine will just return without doing anything, since embedded
* slots cannot be hotplugged.
*
* To remove a slot, it suffices to call rpaphp_deregister_slot()
* To remove a slot, it suffices to call rpaphp_deregister_slot().
*/
int rpaphp_add_slot(struct device_node *dn)
{
......
drivers/pci/hotplug/rpaphp_pci.c
浏览文件 @ 34f2c1c3
......@@ -79,6 +79,7 @@ static void set_slot_name(struct slot *slot)
/**
* rpaphp_enable_slot - record slot state, config pci device
* @slot: target &slot
*
* Initialize values in the slot, and the hotplug_slot info
* structures to indicate if there is a pci card plugged into
......
drivers/pci/hotplug/shpchp_ctrl.c
浏览文件 @ 34f2c1c3
......@@ -231,10 +231,10 @@ static int fix_bus_speed(struct controller *ctrl, struct slot *pslot,
/**
* board_added - Called after a board has been added to the system.
* @p_slot: target &slot
*
* Turns power on for the board
* Configures board
*
* Turns power on for the board.
* Configures board.
*/
static int board_added(struct slot *p_slot)
{
......@@ -350,8 +350,8 @@ static int board_added(struct slot *p_slot)
/**
* remove_board - Turns off slot and LED's
*
* remove_board - Turns off slot and LEDs
* @p_slot: target &slot
*/
static int remove_board(struct slot *p_slot)
{
......@@ -397,11 +397,11 @@ struct pushbutton_work_info {
};
/**
* shpchp_pushbutton_thread
* shpchp_pushbutton_thread - handle pushbutton events
* @work: &struct work_struct to be handled
*
* Scheduled procedure to handle blocking stuff for the pushbuttons
* Scheduled procedure to handle blocking stuff for the pushbuttons.
* Handles all pending events and exits.
*
*/
static void shpchp_pushbutton_thread(struct work_struct *work)
{
......
drivers/pci/pci-sysfs.c
浏览文件 @ 34f2c1c3
......@@ -702,8 +702,10 @@ static int __init pci_sysfs_init(void)
sysfs_initialized = 1;
for_each_pci_dev(pdev) {
retval = pci_create_sysfs_dev_files(pdev);
if (retval)
if (retval) {
pci_dev_put(pdev);
return retval;
}
}
return 0;
......
drivers/pci/pcie/aer/aerdrv_core.c
浏览文件 @ 34f2c1c3
......@@ -168,11 +168,11 @@ static int find_device_iter(struct device *device, void *data)
/**
* find_source_device - search through device hierarchy for source device
* @p_dev: pointer to Root Port pci_dev data structure
* @parent: pointer to Root Port pci_dev data structure
* @id: device ID of agent who sends an error message to this Root Port
*
* Invoked when error is detected at the Root Port.
**/
*/
static struct device* find_source_device(struct pci_dev *parent, u16 id)
{
struct pci_dev *dev = parent;
......@@ -286,14 +286,15 @@ static void report_resume(struct pci_dev *dev, void *data)
/**
* broadcast_error_message - handle message broadcast to downstream drivers
* @device: pointer to from where in a hierarchy message is broadcasted down
* @api: callback to be broadcasted
* @dev: pointer to from where in a hierarchy message is broadcasted down
* @state: error state
* @error_mesg: message to print
* @cb: callback to be broadcasted
*
* Invoked during error recovery process. Once being invoked, the content
* of error severity will be broadcasted to all downstream drivers in a
* hierarchy in question.
**/
*/
static pci_ers_result_t broadcast_error_message(struct pci_dev *dev,
enum pci_channel_state state,
char *error_mesg,
......@@ -428,7 +429,7 @@ static pci_ers_result_t reset_link(struct pcie_device *aerdev,
* Invoked when an error is nonfatal/fatal. Once being invoked, broadcast
* error detected message to all downstream drivers within a hierarchy in
* question and return the returned code.
**/
*/
static pci_ers_result_t do_recovery(struct pcie_device *aerdev,
struct pci_dev *dev,
int severity)
......@@ -488,7 +489,7 @@ static pci_ers_result_t do_recovery(struct pcie_device *aerdev,
* @info: comprehensive error information
*
* Invoked when an error being detected by Root Port.
**/
*/
static void handle_error_source(struct pcie_device * aerdev,
struct pci_dev *dev,
struct aer_err_info info)
......@@ -521,7 +522,7 @@ static void handle_error_source(struct pcie_device * aerdev,
* @rpc: pointer to a Root Port data structure
*
* Invoked when PCIE bus loads AER service driver.
**/
*/
void aer_enable_rootport(struct aer_rpc *rpc)
{
struct pci_dev *pdev = rpc->rpd->port;
......@@ -569,7 +570,7 @@ void aer_enable_rootport(struct aer_rpc *rpc)
* @rpc: pointer to a Root Port data structure
*
* Invoked when PCIE bus unloads AER service driver.
**/
*/
static void disable_root_aer(struct aer_rpc *rpc)
{
struct pci_dev *pdev = rpc->rpd->port;
......@@ -590,7 +591,7 @@ static void disable_root_aer(struct aer_rpc *rpc)
* @rpc: pointer to the root port which holds an error
*
* Invoked by DPC handler to consume an error.
**/
*/
static struct aer_err_source* get_e_source(struct aer_rpc *rpc)
{
struct aer_err_source *e_source;
......@@ -655,7 +656,7 @@ static int get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
* aer_isr_one_error - consume an error detected by root port
* @p_device: pointer to error root port service device
* @e_src: pointer to an error source
**/
*/
static void aer_isr_one_error(struct pcie_device *p_device,
struct aer_err_source *e_src)
{
......@@ -706,7 +707,7 @@ static void aer_isr_one_error(struct pcie_device *p_device,
* @work: definition of this work item
*
* Invoked, as DPC, when root port records new detected error
**/
*/
void aer_isr(struct work_struct *work)
{
struct aer_rpc *rpc = container_of(work, struct aer_rpc, dpc_handler);
......@@ -729,7 +730,7 @@ void aer_isr(struct work_struct *work)
* @rpc: pointer to a root port device being deleted
*
* Invoked when AER service unloaded on a specific Root Port
**/
*/
void aer_delete_rootport(struct aer_rpc *rpc)
{
/* Disable root port AER itself */
......@@ -743,7 +744,7 @@ void aer_delete_rootport(struct aer_rpc *rpc)
* @dev: pointer to AER pcie device
*
* Invoked when AER service driver is loaded.
**/
*/
int aer_init(struct pcie_device *dev)
{
if (aer_osc_setup(dev) && !forceload)
......
drivers/pci/pcie/portdrv_pci.c
浏览文件 @ 34f2c1c3
......@@ -217,7 +217,7 @@ static int slot_reset_iter(struct device *device, void *data)
static pci_ers_result_t pcie_portdrv_slot_reset(struct pci_dev *dev)
{
pci_ers_result_t status;
pci_ers_result_t status = PCI_ERS_RESULT_NONE;
int retval;
/* If fatal, restore cfg space for possible link reset at upstream */
......
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