diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-08-26 09:15:14 +0200 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2010-10-21 15:36:47 +0200 |
| commit | 762e1a2ff6c1116d8f6f175994753fa2319097f2 (patch) | |
| tree | a44386f6d83243751c5fbfd542083c7b259d53f7 /drivers/platform | |
| parent | WMI: simplify handling of returned WMI blocks in parse_wdg() (diff) | |
| download | linux-762e1a2ff6c1116d8f6f175994753fa2319097f2.tar.xz linux-762e1a2ff6c1116d8f6f175994753fa2319097f2.zip | |
WMI: use separate list head for storing wmi blocks
Do not abuse wmi_block structure to hold the head of list
of blocks, use separate list_head for that.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/wmi.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index f6e85c8122de..dc528ba8617b 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -47,6 +47,7 @@ MODULE_LICENSE("GPL"); #define PREFIX "ACPI: WMI: " static DEFINE_MUTEX(wmi_data_lock); +static LIST_HEAD(wmi_block_list); struct guid_block { char guid[16]; @@ -70,7 +71,6 @@ struct wmi_block { struct device *dev; }; -static struct wmi_block wmi_blocks; /* * If the GUID data block is marked as expensive, we must enable and @@ -234,7 +234,7 @@ static bool find_guid(const char *guid_string, struct wmi_block **out) wmi_parse_guid(guid_string, tmp); wmi_swap_bytes(tmp, guid_input); - list_for_each(p, &wmi_blocks.list) { + list_for_each(p, &wmi_block_list) { wblock = list_entry(p, struct wmi_block, list); block = &wblock->gblock; @@ -621,7 +621,7 @@ acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out) params[0].type = ACPI_TYPE_INTEGER; params[0].integer.value = event; - list_for_each(p, &wmi_blocks.list) { + list_for_each(p, &wmi_block_list) { wblock = list_entry(p, struct wmi_block, list); gblock = &wblock->gblock; @@ -709,7 +709,7 @@ static int wmi_create_devs(void) struct device *guid_dev; /* Create devices for all the GUIDs */ - list_for_each(p, &wmi_blocks.list) { + list_for_each(p, &wmi_block_list) { wblock = list_entry(p, struct wmi_block, list); guid_dev = kzalloc(sizeof(struct device), GFP_KERNEL); @@ -746,7 +746,7 @@ static void wmi_remove_devs(void) struct device *guid_dev; /* Delete devices for all the GUIDs */ - list_for_each(p, &wmi_blocks.list) { + list_for_each(p, &wmi_block_list) { wblock = list_entry(p, struct wmi_block, list); guid_dev = wblock->dev; @@ -785,7 +785,7 @@ static bool guid_already_parsed(const char *guid_string) struct wmi_block *wblock; struct list_head *p; - list_for_each(p, &wmi_blocks.list) { + list_for_each(p, &wmi_block_list) { wblock = list_entry(p, struct wmi_block, list); gblock = &wblock->gblock; @@ -799,7 +799,7 @@ static void free_wmi_blocks(void) { struct wmi_block *wblock, *next; - list_for_each_entry_safe(wblock, next, &wmi_blocks.list, list) { + list_for_each_entry_safe(wblock, next, &wmi_block_list, list) { list_del(&wblock->list); kfree(wblock); } @@ -864,7 +864,7 @@ static acpi_status parse_wdg(acpi_handle handle) wblock->handler = wmi_notify_debug; wmi_method_enable(wblock, 1); } - list_add_tail(&wblock->list, &wmi_blocks.list); + list_add_tail(&wblock->list, &wmi_block_list); } out_free_pointer: @@ -927,7 +927,7 @@ static void acpi_wmi_notify(struct acpi_device *device, u32 event) struct list_head *p; char guid_string[37]; - list_for_each(p, &wmi_blocks.list) { + list_for_each(p, &wmi_block_list) { wblock = list_entry(p, struct wmi_block, list); block = &wblock->gblock; @@ -987,8 +987,6 @@ static int __init acpi_wmi_init(void) { int result; - INIT_LIST_HEAD(&wmi_blocks.list); - if (acpi_disabled) return -ENODEV; |