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authorLinus Torvalds <torvalds@g5.osdl.org>2006-04-27 17:25:30 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-27 17:25:30 -0400
commit2cb14596a03036bb8b9d3c60f9c4dbdf3a745c76 (patch)
tree9bb4fbc01ff4506b4ae85d25d37536f49354597a
parenta9aa0e24f7ed5acf2e0e1799fb28daf928293ba1 (diff)
parent5bd982ed0f5ae73bfd9ff452b460a3b08108bfee (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: [PATCH] Added URI of "linux kernel development process" [PATCH] Kobject: possible cleanups [PATCH] Fix OCFS2 warning when DEBUG_FS is not enabled [PATCH] Kobject: fix build error [PATCH] Frame buffer: remove cmap sysfs interface
-rw-r--r--Documentation/HOWTO3
-rw-r--r--drivers/video/fbsysfs.c92
-rw-r--r--include/linux/debugfs.h5
-rw-r--r--include/linux/kobject.h3
-rw-r--r--lib/kobject.c7
-rw-r--r--lib/kobject_uevent.c8
6 files changed, 17 insertions, 101 deletions
diff --git a/Documentation/HOWTO b/Documentation/HOWTO
index 6c9e746267da..915ae8c986c6 100644
--- a/Documentation/HOWTO
+++ b/Documentation/HOWTO
@@ -603,7 +603,8 @@ start exactly where you are now.
603 603
604 604
605---------- 605----------
606Thanks to Paolo Ciarrocchi who allowed the "Development Process" section 606Thanks to Paolo Ciarrocchi who allowed the "Development Process"
607(http://linux.tar.bz/articles/2.6-development_process) section
607to be based on text he had written, and to Randy Dunlap and Gerrit 608to be based on text he had written, and to Randy Dunlap and Gerrit
608Huizenga for some of the list of things you should and should not say. 609Huizenga for some of the list of things you should and should not say.
609Also thanks to Pat Mochel, Hanna Linder, Randy Dunlap, Kay Sievers, 610Also thanks to Pat Mochel, Hanna Linder, Randy Dunlap, Kay Sievers,
diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c
index b72b05250a9d..34e07399756b 100644
--- a/drivers/video/fbsysfs.c
+++ b/drivers/video/fbsysfs.c
@@ -305,94 +305,6 @@ static ssize_t show_stride(struct class_device *class_device, char *buf)
305 return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->fix.line_length); 305 return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->fix.line_length);
306} 306}
307 307
308/* Format for cmap is "%02x%c%4x%4x%4x\n" */
309/* %02x entry %c transp %4x red %4x blue %4x green \n */
310/* 256 rows at 16 chars equals 4096, the normal page size */
311/* the code will automatically adjust for different page sizes */
312static ssize_t store_cmap(struct class_device *class_device, const char *buf,
313 size_t count)
314{
315 struct fb_info *fb_info = class_get_devdata(class_device);
316 int rc, i, start, length, transp = 0;
317
318 if ((count > PAGE_SIZE) || ((count % 16) != 0))
319 return -EINVAL;
320
321 if (!fb_info->fbops->fb_setcolreg && !fb_info->fbops->fb_setcmap)
322 return -EINVAL;
323
324 sscanf(buf, "%02x", &start);
325 length = count / 16;
326
327 for (i = 0; i < length; i++)
328 if (buf[i * 16 + 2] != ' ')
329 transp = 1;
330
331 /* If we can batch, do it */
332 if (fb_info->fbops->fb_setcmap && length > 1) {
333 struct fb_cmap umap;
334
335 memset(&umap, 0, sizeof(umap));
336 if ((rc = fb_alloc_cmap(&umap, length, transp)))
337 return rc;
338
339 umap.start = start;
340 for (i = 0; i < length; i++) {
341 sscanf(&buf[i * 16 + 3], "%4hx", &umap.red[i]);
342 sscanf(&buf[i * 16 + 7], "%4hx", &umap.blue[i]);
343 sscanf(&buf[i * 16 + 11], "%4hx", &umap.green[i]);
344 if (transp)
345 umap.transp[i] = (buf[i * 16 + 2] != ' ');
346 }
347 rc = fb_info->fbops->fb_setcmap(&umap, fb_info);
348 fb_copy_cmap(&umap, &fb_info->cmap);
349 fb_dealloc_cmap(&umap);
350
351 return rc ?: count;
352 }
353 for (i = 0; i < length; i++) {
354 u16 red, blue, green, tsp;
355
356 sscanf(&buf[i * 16 + 3], "%4hx", &red);
357 sscanf(&buf[i * 16 + 7], "%4hx", &blue);
358 sscanf(&buf[i * 16 + 11], "%4hx", &green);
359 tsp = (buf[i * 16 + 2] != ' ');
360 if ((rc = fb_info->fbops->fb_setcolreg(start++,
361 red, green, blue, tsp, fb_info)))
362 return rc;
363
364 fb_info->cmap.red[i] = red;
365 fb_info->cmap.blue[i] = blue;
366 fb_info->cmap.green[i] = green;
367 if (transp)
368 fb_info->cmap.transp[i] = tsp;
369 }
370 return count;
371}
372
373static ssize_t show_cmap(struct class_device *class_device, char *buf)
374{
375 struct fb_info *fb_info = class_get_devdata(class_device);
376 unsigned int i;
377
378 if (!fb_info->cmap.red || !fb_info->cmap.blue ||
379 !fb_info->cmap.green)
380 return -EINVAL;
381
382 if (fb_info->cmap.len > PAGE_SIZE / 16)
383 return -EINVAL;
384
385 /* don't mess with the format, the buffer is PAGE_SIZE */
386 /* 256 entries at 16 chars per line equals 4096 = PAGE_SIZE */
387 for (i = 0; i < fb_info->cmap.len; i++) {
388 snprintf(&buf[ i * 16], PAGE_SIZE - i * 16, "%02x%c%4x%4x%4x\n", i + fb_info->cmap.start,
389 ((fb_info->cmap.transp && fb_info->cmap.transp[i]) ? '*' : ' '),
390 fb_info->cmap.red[i], fb_info->cmap.blue[i],
391 fb_info->cmap.green[i]);
392 }
393 return 16 * fb_info->cmap.len;
394}
395
396static ssize_t store_blank(struct class_device *class_device, const char * buf, 308static ssize_t store_blank(struct class_device *class_device, const char * buf,
397 size_t count) 309 size_t count)
398{ 310{
@@ -502,10 +414,12 @@ static ssize_t show_fbstate(struct class_device *class_device, char *buf)
502 return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->state); 414 return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->state);
503} 415}
504 416
417/* When cmap is added back in it should be a binary attribute
418 * not a text one. Consideration should also be given to converting
419 * fbdev to use configfs instead of sysfs */
505static struct class_device_attribute class_device_attrs[] = { 420static struct class_device_attribute class_device_attrs[] = {
506 __ATTR(bits_per_pixel, S_IRUGO|S_IWUSR, show_bpp, store_bpp), 421 __ATTR(bits_per_pixel, S_IRUGO|S_IWUSR, show_bpp, store_bpp),
507 __ATTR(blank, S_IRUGO|S_IWUSR, show_blank, store_blank), 422 __ATTR(blank, S_IRUGO|S_IWUSR, show_blank, store_blank),
508 __ATTR(color_map, S_IRUGO|S_IWUSR, show_cmap, store_cmap),
509 __ATTR(console, S_IRUGO|S_IWUSR, show_console, store_console), 423 __ATTR(console, S_IRUGO|S_IWUSR, show_console, store_console),
510 __ATTR(cursor, S_IRUGO|S_IWUSR, show_cursor, store_cursor), 424 __ATTR(cursor, S_IRUGO|S_IWUSR, show_cursor, store_cursor),
511 __ATTR(mode, S_IRUGO|S_IWUSR, show_mode, store_mode), 425 __ATTR(mode, S_IRUGO|S_IWUSR, show_mode, store_mode),
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index 176e2d371577..047567d34ca7 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -58,9 +58,8 @@ struct dentry *debugfs_create_blob(const char *name, mode_t mode,
58 */ 58 */
59 59
60static inline struct dentry *debugfs_create_file(const char *name, mode_t mode, 60static inline struct dentry *debugfs_create_file(const char *name, mode_t mode,
61 struct dentry *parent, 61 struct dentry *parent, void *data,
62 void *data, 62 const struct file_operations *fops)
63 struct file_operations *fops)
64{ 63{
65 return ERR_PTR(-ENODEV); 64 return ERR_PTR(-ENODEV);
66} 65}
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index dcd0623be892..c187c53cecd0 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -257,9 +257,8 @@ struct subsys_attribute {
257}; 257};
258 258
259extern int subsys_create_file(struct subsystem * , struct subsys_attribute *); 259extern int subsys_create_file(struct subsystem * , struct subsys_attribute *);
260extern void subsys_remove_file(struct subsystem * , struct subsys_attribute *);
261 260
262#if defined(CONFIG_HOTPLUG) && defined(CONFIG_NET) 261#if defined(CONFIG_HOTPLUG)
263void kobject_uevent(struct kobject *kobj, enum kobject_action action); 262void kobject_uevent(struct kobject *kobj, enum kobject_action action);
264 263
265int add_uevent_var(char **envp, int num_envp, int *cur_index, 264int add_uevent_var(char **envp, int num_envp, int *cur_index,
diff --git a/lib/kobject.c b/lib/kobject.c
index 01d957513940..b46350c27837 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -422,7 +422,6 @@ struct kobject *kobject_add_dir(struct kobject *parent, const char *name)
422 422
423 return k; 423 return k;
424} 424}
425EXPORT_SYMBOL_GPL(kobject_add_dir);
426 425
427/** 426/**
428 * kset_init - initialize a kset for use 427 * kset_init - initialize a kset for use
@@ -569,7 +568,7 @@ int subsys_create_file(struct subsystem * s, struct subsys_attribute * a)
569 * @s: subsystem. 568 * @s: subsystem.
570 * @a: attribute desciptor. 569 * @a: attribute desciptor.
571 */ 570 */
572 571#if 0
573void subsys_remove_file(struct subsystem * s, struct subsys_attribute * a) 572void subsys_remove_file(struct subsystem * s, struct subsys_attribute * a)
574{ 573{
575 if (subsys_get(s)) { 574 if (subsys_get(s)) {
@@ -577,6 +576,7 @@ void subsys_remove_file(struct subsystem * s, struct subsys_attribute * a)
577 subsys_put(s); 576 subsys_put(s);
578 } 577 }
579} 578}
579#endif /* 0 */
580 580
581EXPORT_SYMBOL(kobject_init); 581EXPORT_SYMBOL(kobject_init);
582EXPORT_SYMBOL(kobject_register); 582EXPORT_SYMBOL(kobject_register);
@@ -588,10 +588,7 @@ EXPORT_SYMBOL(kobject_del);
588 588
589EXPORT_SYMBOL(kset_register); 589EXPORT_SYMBOL(kset_register);
590EXPORT_SYMBOL(kset_unregister); 590EXPORT_SYMBOL(kset_unregister);
591EXPORT_SYMBOL(kset_find_obj);
592 591
593EXPORT_SYMBOL(subsystem_init);
594EXPORT_SYMBOL(subsystem_register); 592EXPORT_SYMBOL(subsystem_register);
595EXPORT_SYMBOL(subsystem_unregister); 593EXPORT_SYMBOL(subsystem_unregister);
596EXPORT_SYMBOL(subsys_create_file); 594EXPORT_SYMBOL(subsys_create_file);
597EXPORT_SYMBOL(subsys_remove_file);
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 982226daf939..7f20e7b857cb 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -25,11 +25,13 @@
25#define BUFFER_SIZE 2048 /* buffer for the variables */ 25#define BUFFER_SIZE 2048 /* buffer for the variables */
26#define NUM_ENVP 32 /* number of env pointers */ 26#define NUM_ENVP 32 /* number of env pointers */
27 27
28#if defined(CONFIG_HOTPLUG) && defined(CONFIG_NET) 28#if defined(CONFIG_HOTPLUG)
29u64 uevent_seqnum; 29u64 uevent_seqnum;
30char uevent_helper[UEVENT_HELPER_PATH_LEN] = "/sbin/hotplug"; 30char uevent_helper[UEVENT_HELPER_PATH_LEN] = "/sbin/hotplug";
31static DEFINE_SPINLOCK(sequence_lock); 31static DEFINE_SPINLOCK(sequence_lock);
32#if defined(CONFIG_NET)
32static struct sock *uevent_sock; 33static struct sock *uevent_sock;
34#endif
33 35
34static char *action_to_string(enum kobject_action action) 36static char *action_to_string(enum kobject_action action)
35{ 37{
@@ -155,6 +157,7 @@ void kobject_uevent(struct kobject *kobj, enum kobject_action action)
155 spin_unlock(&sequence_lock); 157 spin_unlock(&sequence_lock);
156 sprintf(seq_buff, "SEQNUM=%llu", (unsigned long long)seq); 158 sprintf(seq_buff, "SEQNUM=%llu", (unsigned long long)seq);
157 159
160#if defined(CONFIG_NET)
158 /* send netlink message */ 161 /* send netlink message */
159 if (uevent_sock) { 162 if (uevent_sock) {
160 struct sk_buff *skb; 163 struct sk_buff *skb;
@@ -179,6 +182,7 @@ void kobject_uevent(struct kobject *kobj, enum kobject_action action)
179 netlink_broadcast(uevent_sock, skb, 0, 1, GFP_KERNEL); 182 netlink_broadcast(uevent_sock, skb, 0, 1, GFP_KERNEL);
180 } 183 }
181 } 184 }
185#endif
182 186
183 /* call uevent_helper, usually only enabled during early boot */ 187 /* call uevent_helper, usually only enabled during early boot */
184 if (uevent_helper[0]) { 188 if (uevent_helper[0]) {
@@ -249,6 +253,7 @@ int add_uevent_var(char **envp, int num_envp, int *cur_index,
249} 253}
250EXPORT_SYMBOL_GPL(add_uevent_var); 254EXPORT_SYMBOL_GPL(add_uevent_var);
251 255
256#if defined(CONFIG_NET)
252static int __init kobject_uevent_init(void) 257static int __init kobject_uevent_init(void)
253{ 258{
254 uevent_sock = netlink_kernel_create(NETLINK_KOBJECT_UEVENT, 1, NULL, 259 uevent_sock = netlink_kernel_create(NETLINK_KOBJECT_UEVENT, 1, NULL,
@@ -264,5 +269,6 @@ static int __init kobject_uevent_init(void)
264} 269}
265 270
266postcore_initcall(kobject_uevent_init); 271postcore_initcall(kobject_uevent_init);
272#endif
267 273
268#endif /* CONFIG_HOTPLUG */ 274#endif /* CONFIG_HOTPLUG */