aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/filesystems/configfs/configfs.txt10
-rw-r--r--Documentation/filesystems/configfs/configfs_example.c14
-rw-r--r--Documentation/serial/driver11
3 files changed, 21 insertions, 14 deletions
diff --git a/Documentation/filesystems/configfs/configfs.txt b/Documentation/filesystems/configfs/configfs.txt
index 15838d706ea2..44c97e6accb2 100644
--- a/Documentation/filesystems/configfs/configfs.txt
+++ b/Documentation/filesystems/configfs/configfs.txt
@@ -233,12 +233,10 @@ accomplished via the group operations specified on the group's
233config_item_type. 233config_item_type.
234 234
235 struct configfs_group_operations { 235 struct configfs_group_operations {
236 int (*make_item)(struct config_group *group, 236 struct config_item *(*make_item)(struct config_group *group,
237 const char *name, 237 const char *name);
238 struct config_item **new_item); 238 struct config_group *(*make_group)(struct config_group *group,
239 int (*make_group)(struct config_group *group, 239 const char *name);
240 const char *name,
241 struct config_group **new_group);
242 int (*commit_item)(struct config_item *item); 240 int (*commit_item)(struct config_item *item);
243 void (*disconnect_notify)(struct config_group *group, 241 void (*disconnect_notify)(struct config_group *group,
244 struct config_item *item); 242 struct config_item *item);
diff --git a/Documentation/filesystems/configfs/configfs_example.c b/Documentation/filesystems/configfs/configfs_example.c
index 0b422acd470c..039648791701 100644
--- a/Documentation/filesystems/configfs/configfs_example.c
+++ b/Documentation/filesystems/configfs/configfs_example.c
@@ -273,13 +273,13 @@ static inline struct simple_children *to_simple_children(struct config_item *ite
273 return item ? container_of(to_config_group(item), struct simple_children, group) : NULL; 273 return item ? container_of(to_config_group(item), struct simple_children, group) : NULL;
274} 274}
275 275
276static int simple_children_make_item(struct config_group *group, const char *name, struct config_item **new_item) 276static struct config_item *simple_children_make_item(struct config_group *group, const char *name)
277{ 277{
278 struct simple_child *simple_child; 278 struct simple_child *simple_child;
279 279
280 simple_child = kzalloc(sizeof(struct simple_child), GFP_KERNEL); 280 simple_child = kzalloc(sizeof(struct simple_child), GFP_KERNEL);
281 if (!simple_child) 281 if (!simple_child)
282 return -ENOMEM; 282 return ERR_PTR(-ENOMEM);
283 283
284 284
285 config_item_init_type_name(&simple_child->item, name, 285 config_item_init_type_name(&simple_child->item, name,
@@ -287,8 +287,7 @@ static int simple_children_make_item(struct config_group *group, const char *nam
287 287
288 simple_child->storeme = 0; 288 simple_child->storeme = 0;
289 289
290 *new_item = &simple_child->item; 290 return &simple_child->item;
291 return 0;
292} 291}
293 292
294static struct configfs_attribute simple_children_attr_description = { 293static struct configfs_attribute simple_children_attr_description = {
@@ -360,21 +359,20 @@ static struct configfs_subsystem simple_children_subsys = {
360 * children of its own. 359 * children of its own.
361 */ 360 */
362 361
363static int group_children_make_group(struct config_group *group, const char *name, struct config_group **new_group) 362static struct config_group *group_children_make_group(struct config_group *group, const char *name)
364{ 363{
365 struct simple_children *simple_children; 364 struct simple_children *simple_children;
366 365
367 simple_children = kzalloc(sizeof(struct simple_children), 366 simple_children = kzalloc(sizeof(struct simple_children),
368 GFP_KERNEL); 367 GFP_KERNEL);
369 if (!simple_children) 368 if (!simple_children)
370 return -ENOMEM; 369 return ERR_PTR(-ENOMEM);
371 370
372 371
373 config_group_init_type_name(&simple_children->group, name, 372 config_group_init_type_name(&simple_children->group, name,
374 &simple_children_type); 373 &simple_children_type);
375 374
376 *new_group = &simple_children->group; 375 return &simple_children->group;
377 return 0;
378} 376}
379 377
380static struct configfs_attribute group_children_attr_description = { 378static struct configfs_attribute group_children_attr_description = {
diff --git a/Documentation/serial/driver b/Documentation/serial/driver
index 88ad615dd338..77ba0afbe4db 100644
--- a/Documentation/serial/driver
+++ b/Documentation/serial/driver
@@ -186,6 +186,17 @@ hardware.
186 Locking: port_sem taken. 186 Locking: port_sem taken.
187 Interrupts: caller dependent. 187 Interrupts: caller dependent.
188 188
189 flush_buffer(port)
190 Flush any write buffers, reset any DMA state and stop any
191 ongoing DMA transfers.
192
193 This will be called whenever the port->info->xmit circular
194 buffer is cleared.
195
196 Locking: port->lock taken.
197 Interrupts: locally disabled.
198 This call must not sleep
199
189 set_termios(port,termios,oldtermios) 200 set_termios(port,termios,oldtermios)
190 Change the port parameters, including word length, parity, stop 201 Change the port parameters, including word length, parity, stop
191 bits. Update read_status_mask and ignore_status_mask to indicate 202 bits. Update read_status_mask and ignore_status_mask to indicate