aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/input
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/evdev.c84
-rw-r--r--drivers/input/input.c136
-rw-r--r--drivers/input/joydev.c84
-rw-r--r--drivers/input/mousedev.c242
-rw-r--r--drivers/input/tsdev.c88
5 files changed, 335 insertions, 299 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index be6b93c20f60..ab4b2d9b5327 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -30,6 +30,7 @@ struct evdev {
30 wait_queue_head_t wait; 30 wait_queue_head_t wait;
31 struct evdev_client *grab; 31 struct evdev_client *grab;
32 struct list_head client_list; 32 struct list_head client_list;
33 struct device dev;
33}; 34};
34 35
35struct evdev_client { 36struct evdev_client {
@@ -94,8 +95,10 @@ static int evdev_flush(struct file *file, fl_owner_t id)
94 return input_flush_device(&evdev->handle, file); 95 return input_flush_device(&evdev->handle, file);
95} 96}
96 97
97static void evdev_free(struct evdev *evdev) 98static void evdev_free(struct device *dev)
98{ 99{
100 struct evdev *evdev = container_of(dev, struct evdev, dev);
101
99 evdev_table[evdev->minor] = NULL; 102 evdev_table[evdev->minor] = NULL;
100 kfree(evdev); 103 kfree(evdev);
101} 104}
@@ -114,12 +117,10 @@ static int evdev_release(struct inode *inode, struct file *file)
114 list_del(&client->node); 117 list_del(&client->node);
115 kfree(client); 118 kfree(client);
116 119
117 if (!--evdev->open) { 120 if (!--evdev->open && evdev->exist)
118 if (evdev->exist) 121 input_close_device(&evdev->handle);
119 input_close_device(&evdev->handle); 122
120 else 123 put_device(&evdev->dev);
121 evdev_free(evdev);
122 }
123 124
124 return 0; 125 return 0;
125} 126}
@@ -139,24 +140,32 @@ static int evdev_open(struct inode *inode, struct file *file)
139 if (!evdev || !evdev->exist) 140 if (!evdev || !evdev->exist)
140 return -ENODEV; 141 return -ENODEV;
141 142
143 get_device(&evdev->dev);
144
142 client = kzalloc(sizeof(struct evdev_client), GFP_KERNEL); 145 client = kzalloc(sizeof(struct evdev_client), GFP_KERNEL);
143 if (!client) 146 if (!client) {
144 return -ENOMEM; 147 error = -ENOMEM;
148 goto err_put_evdev;
149 }
145 150
146 client->evdev = evdev; 151 client->evdev = evdev;
147 list_add_tail(&client->node, &evdev->client_list); 152 list_add_tail(&client->node, &evdev->client_list);
148 153
149 if (!evdev->open++ && evdev->exist) { 154 if (!evdev->open++ && evdev->exist) {
150 error = input_open_device(&evdev->handle); 155 error = input_open_device(&evdev->handle);
151 if (error) { 156 if (error)
152 list_del(&client->node); 157 goto err_free_client;
153 kfree(client);
154 return error;
155 }
156 } 158 }
157 159
158 file->private_data = client; 160 file->private_data = client;
159 return 0; 161 return 0;
162
163 err_free_client:
164 list_del(&client->node);
165 kfree(client);
166 err_put_evdev:
167 put_device(&evdev->dev);
168 return error;
160} 169}
161 170
162#ifdef CONFIG_COMPAT 171#ifdef CONFIG_COMPAT
@@ -625,8 +634,6 @@ static int evdev_connect(struct input_handler *handler, struct input_dev *dev,
625 const struct input_device_id *id) 634 const struct input_device_id *id)
626{ 635{
627 struct evdev *evdev; 636 struct evdev *evdev;
628 struct class_device *cdev;
629 dev_t devt;
630 int minor; 637 int minor;
631 int error; 638 int error;
632 639
@@ -649,38 +656,32 @@ static int evdev_connect(struct input_handler *handler, struct input_dev *dev,
649 evdev->handle.name = evdev->name; 656 evdev->handle.name = evdev->name;
650 evdev->handle.handler = handler; 657 evdev->handle.handler = handler;
651 evdev->handle.private = evdev; 658 evdev->handle.private = evdev;
652 sprintf(evdev->name, "event%d", minor); 659 snprintf(evdev->name, sizeof(evdev->name), "event%d", minor);
653
654 evdev_table[minor] = evdev;
655 660
656 devt = MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor), 661 snprintf(evdev->dev.bus_id, sizeof(evdev->dev.bus_id),
662 "event%d", minor);
663 evdev->dev.class = &input_class;
664 evdev->dev.parent = &dev->dev;
665 evdev->dev.devt = MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor);
666 evdev->dev.release = evdev_free;
667 device_initialize(&evdev->dev);
657 668
658 cdev = class_device_create(&input_class, &dev->cdev, devt, 669 evdev_table[minor] = evdev;
659 dev->cdev.dev, evdev->name);
660 if (IS_ERR(cdev)) {
661 error = PTR_ERR(cdev);
662 goto err_free_evdev;
663 }
664 670
665 /* temporary symlink to keep userspace happy */ 671 error = device_add(&evdev->dev);
666 error = sysfs_create_link(&input_class.subsys.kobj,
667 &cdev->kobj, evdev->name);
668 if (error) 672 if (error)
669 goto err_cdev_destroy; 673 goto err_free_evdev;
670 674
671 error = input_register_handle(&evdev->handle); 675 error = input_register_handle(&evdev->handle);
672 if (error) 676 if (error)
673 goto err_remove_link; 677 goto err_delete_evdev;
674 678
675 return 0; 679 return 0;
676 680
677 err_remove_link: 681 err_delete_evdev:
678 sysfs_remove_link(&input_class.subsys.kobj, evdev->name); 682 device_del(&evdev->dev);
679 err_cdev_destroy:
680 class_device_destroy(&input_class, devt);
681 err_free_evdev: 683 err_free_evdev:
682 kfree(evdev); 684 put_device(&evdev->dev);
683 evdev_table[minor] = NULL;
684 return error; 685 return error;
685} 686}
686 687
@@ -690,10 +691,8 @@ static void evdev_disconnect(struct input_handle *handle)
690 struct evdev_client *client; 691 struct evdev_client *client;
691 692
692 input_unregister_handle(handle); 693 input_unregister_handle(handle);
694 device_del(&evdev->dev);
693 695
694 sysfs_remove_link(&input_class.subsys.kobj, evdev->name);
695 class_device_destroy(&input_class,
696 MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + evdev->minor));
697 evdev->exist = 0; 696 evdev->exist = 0;
698 697
699 if (evdev->open) { 698 if (evdev->open) {
@@ -702,8 +701,9 @@ static void evdev_disconnect(struct input_handle *handle)
702 list_for_each_entry(client, &evdev->client_list, node) 701 list_for_each_entry(client, &evdev->client_list, node)
703 kill_fasync(&client->fasync, SIGIO, POLL_HUP); 702 kill_fasync(&client->fasync, SIGIO, POLL_HUP);
704 wake_up_interruptible(&evdev->wait); 703 wake_up_interruptible(&evdev->wait);
705 } else 704 }
706 evdev_free(evdev); 705
706 put_device(&evdev->dev);
707} 707}
708 708
709static const struct input_device_id evdev_ids[] = { 709static const struct input_device_id evdev_ids[] = {
diff --git a/drivers/input/input.c b/drivers/input/input.c
index ccd8abafcb70..75b4d2a83dd9 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -442,7 +442,7 @@ static int input_attach_handler(struct input_dev *dev, struct input_handler *han
442 printk(KERN_ERR 442 printk(KERN_ERR
443 "input: failed to attach handler %s to device %s, " 443 "input: failed to attach handler %s to device %s, "
444 "error: %d\n", 444 "error: %d\n",
445 handler->name, kobject_name(&dev->cdev.kobj), error); 445 handler->name, kobject_name(&dev->dev.kobj), error);
446 446
447 return error; 447 return error;
448} 448}
@@ -527,7 +527,7 @@ static void input_seq_print_bitmap(struct seq_file *seq, const char *name,
527static int input_devices_seq_show(struct seq_file *seq, void *v) 527static int input_devices_seq_show(struct seq_file *seq, void *v)
528{ 528{
529 struct input_dev *dev = container_of(v, struct input_dev, node); 529 struct input_dev *dev = container_of(v, struct input_dev, node);
530 const char *path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL); 530 const char *path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
531 struct input_handle *handle; 531 struct input_handle *handle;
532 532
533 seq_printf(seq, "I: Bus=%04x Vendor=%04x Product=%04x Version=%04x\n", 533 seq_printf(seq, "I: Bus=%04x Vendor=%04x Product=%04x Version=%04x\n",
@@ -682,15 +682,17 @@ static inline int input_proc_init(void) { return 0; }
682static inline void input_proc_exit(void) { } 682static inline void input_proc_exit(void) { }
683#endif 683#endif
684 684
685#define INPUT_DEV_STRING_ATTR_SHOW(name) \ 685#define INPUT_DEV_STRING_ATTR_SHOW(name) \
686static ssize_t input_dev_show_##name(struct class_device *dev, char *buf) \ 686static ssize_t input_dev_show_##name(struct device *dev, \
687{ \ 687 struct device_attribute *attr, \
688 struct input_dev *input_dev = to_input_dev(dev); \ 688 char *buf) \
689 \ 689{ \
690 return scnprintf(buf, PAGE_SIZE, "%s\n", \ 690 struct input_dev *input_dev = to_input_dev(dev); \
691 input_dev->name ? input_dev->name : ""); \ 691 \
692} \ 692 return scnprintf(buf, PAGE_SIZE, "%s\n", \
693static CLASS_DEVICE_ATTR(name, S_IRUGO, input_dev_show_##name, NULL); 693 input_dev->name ? input_dev->name : ""); \
694} \
695static DEVICE_ATTR(name, S_IRUGO, input_dev_show_##name, NULL)
694 696
695INPUT_DEV_STRING_ATTR_SHOW(name); 697INPUT_DEV_STRING_ATTR_SHOW(name);
696INPUT_DEV_STRING_ATTR_SHOW(phys); 698INPUT_DEV_STRING_ATTR_SHOW(phys);
@@ -744,7 +746,9 @@ static int input_print_modalias(char *buf, int size, struct input_dev *id,
744 return len; 746 return len;
745} 747}
746 748
747static ssize_t input_dev_show_modalias(struct class_device *dev, char *buf) 749static ssize_t input_dev_show_modalias(struct device *dev,
750 struct device_attribute *attr,
751 char *buf)
748{ 752{
749 struct input_dev *id = to_input_dev(dev); 753 struct input_dev *id = to_input_dev(dev);
750 ssize_t len; 754 ssize_t len;
@@ -753,13 +757,13 @@ static ssize_t input_dev_show_modalias(struct class_device *dev, char *buf)
753 757
754 return min_t(int, len, PAGE_SIZE); 758 return min_t(int, len, PAGE_SIZE);
755} 759}
756static CLASS_DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL); 760static DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL);
757 761
758static struct attribute *input_dev_attrs[] = { 762static struct attribute *input_dev_attrs[] = {
759 &class_device_attr_name.attr, 763 &dev_attr_name.attr,
760 &class_device_attr_phys.attr, 764 &dev_attr_phys.attr,
761 &class_device_attr_uniq.attr, 765 &dev_attr_uniq.attr,
762 &class_device_attr_modalias.attr, 766 &dev_attr_modalias.attr,
763 NULL 767 NULL
764}; 768};
765 769
@@ -767,13 +771,15 @@ static struct attribute_group input_dev_attr_group = {
767 .attrs = input_dev_attrs, 771 .attrs = input_dev_attrs,
768}; 772};
769 773
770#define INPUT_DEV_ID_ATTR(name) \ 774#define INPUT_DEV_ID_ATTR(name) \
771static ssize_t input_dev_show_id_##name(struct class_device *dev, char *buf) \ 775static ssize_t input_dev_show_id_##name(struct device *dev, \
772{ \ 776 struct device_attribute *attr, \
773 struct input_dev *input_dev = to_input_dev(dev); \ 777 char *buf) \
774 return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name); \ 778{ \
775} \ 779 struct input_dev *input_dev = to_input_dev(dev); \
776static CLASS_DEVICE_ATTR(name, S_IRUGO, input_dev_show_id_##name, NULL); 780 return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name); \
781} \
782static DEVICE_ATTR(name, S_IRUGO, input_dev_show_id_##name, NULL)
777 783
778INPUT_DEV_ID_ATTR(bustype); 784INPUT_DEV_ID_ATTR(bustype);
779INPUT_DEV_ID_ATTR(vendor); 785INPUT_DEV_ID_ATTR(vendor);
@@ -781,10 +787,10 @@ INPUT_DEV_ID_ATTR(product);
781INPUT_DEV_ID_ATTR(version); 787INPUT_DEV_ID_ATTR(version);
782 788
783static struct attribute *input_dev_id_attrs[] = { 789static struct attribute *input_dev_id_attrs[] = {
784 &class_device_attr_bustype.attr, 790 &dev_attr_bustype.attr,
785 &class_device_attr_vendor.attr, 791 &dev_attr_vendor.attr,
786 &class_device_attr_product.attr, 792 &dev_attr_product.attr,
787 &class_device_attr_version.attr, 793 &dev_attr_version.attr,
788 NULL 794 NULL
789}; 795};
790 796
@@ -813,15 +819,17 @@ static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap,
813 return len; 819 return len;
814} 820}
815 821
816#define INPUT_DEV_CAP_ATTR(ev, bm) \ 822#define INPUT_DEV_CAP_ATTR(ev, bm) \
817static ssize_t input_dev_show_cap_##bm(struct class_device *dev, char *buf) \ 823static ssize_t input_dev_show_cap_##bm(struct device *dev, \
818{ \ 824 struct device_attribute *attr, \
819 struct input_dev *input_dev = to_input_dev(dev); \ 825 char *buf) \
820 int len = input_print_bitmap(buf, PAGE_SIZE, \ 826{ \
821 input_dev->bm##bit, ev##_MAX, 1); \ 827 struct input_dev *input_dev = to_input_dev(dev); \
822 return min_t(int, len, PAGE_SIZE); \ 828 int len = input_print_bitmap(buf, PAGE_SIZE, \
823} \ 829 input_dev->bm##bit, ev##_MAX, 1); \
824static CLASS_DEVICE_ATTR(bm, S_IRUGO, input_dev_show_cap_##bm, NULL); 830 return min_t(int, len, PAGE_SIZE); \
831} \
832static DEVICE_ATTR(bm, S_IRUGO, input_dev_show_cap_##bm, NULL)
825 833
826INPUT_DEV_CAP_ATTR(EV, ev); 834INPUT_DEV_CAP_ATTR(EV, ev);
827INPUT_DEV_CAP_ATTR(KEY, key); 835INPUT_DEV_CAP_ATTR(KEY, key);
@@ -834,15 +842,15 @@ INPUT_DEV_CAP_ATTR(FF, ff);
834INPUT_DEV_CAP_ATTR(SW, sw); 842INPUT_DEV_CAP_ATTR(SW, sw);
835 843
836static struct attribute *input_dev_caps_attrs[] = { 844static struct attribute *input_dev_caps_attrs[] = {
837 &class_device_attr_ev.attr, 845 &dev_attr_ev.attr,
838 &class_device_attr_key.attr, 846 &dev_attr_key.attr,
839 &class_device_attr_rel.attr, 847 &dev_attr_rel.attr,
840 &class_device_attr_abs.attr, 848 &dev_attr_abs.attr,
841 &class_device_attr_msc.attr, 849 &dev_attr_msc.attr,
842 &class_device_attr_led.attr, 850 &dev_attr_led.attr,
843 &class_device_attr_snd.attr, 851 &dev_attr_snd.attr,
844 &class_device_attr_ff.attr, 852 &dev_attr_ff.attr,
845 &class_device_attr_sw.attr, 853 &dev_attr_sw.attr,
846 NULL 854 NULL
847}; 855};
848 856
@@ -858,9 +866,9 @@ static struct attribute_group *input_dev_attr_groups[] = {
858 NULL 866 NULL
859}; 867};
860 868
861static void input_dev_release(struct class_device *class_dev) 869static void input_dev_release(struct device *device)
862{ 870{
863 struct input_dev *dev = to_input_dev(class_dev); 871 struct input_dev *dev = to_input_dev(device);
864 872
865 input_ff_destroy(dev); 873 input_ff_destroy(dev);
866 kfree(dev); 874 kfree(dev);
@@ -947,10 +955,10 @@ static int input_add_uevent_modalias_var(char **envp, int num_envp, int *cur_ind
947 return err; \ 955 return err; \
948 } while (0) 956 } while (0)
949 957
950static int input_dev_uevent(struct class_device *cdev, char **envp, 958static int input_dev_uevent(struct device *device, char **envp,
951 int num_envp, char *buffer, int buffer_size) 959 int num_envp, char *buffer, int buffer_size)
952{ 960{
953 struct input_dev *dev = to_input_dev(cdev); 961 struct input_dev *dev = to_input_dev(device);
954 int i = 0; 962 int i = 0;
955 int len = 0; 963 int len = 0;
956 964
@@ -988,10 +996,14 @@ static int input_dev_uevent(struct class_device *cdev, char **envp,
988 return 0; 996 return 0;
989} 997}
990 998
999static struct device_type input_dev_type = {
1000 .groups = input_dev_attr_groups,
1001 .release = input_dev_release,
1002 .uevent = input_dev_uevent,
1003};
1004
991struct class input_class = { 1005struct class input_class = {
992 .name = "input", 1006 .name = "input",
993 .release = input_dev_release,
994 .uevent = input_dev_uevent,
995}; 1007};
996EXPORT_SYMBOL_GPL(input_class); 1008EXPORT_SYMBOL_GPL(input_class);
997 1009
@@ -1010,9 +1022,9 @@ struct input_dev *input_allocate_device(void)
1010 1022
1011 dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL); 1023 dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL);
1012 if (dev) { 1024 if (dev) {
1013 dev->cdev.class = &input_class; 1025 dev->dev.type = &input_dev_type;
1014 dev->cdev.groups = input_dev_attr_groups; 1026 dev->dev.class = &input_class;
1015 class_device_initialize(&dev->cdev); 1027 device_initialize(&dev->dev);
1016 mutex_init(&dev->mutex); 1028 mutex_init(&dev->mutex);
1017 INIT_LIST_HEAD(&dev->h_list); 1029 INIT_LIST_HEAD(&dev->h_list);
1018 INIT_LIST_HEAD(&dev->node); 1030 INIT_LIST_HEAD(&dev->node);
@@ -1131,17 +1143,17 @@ int input_register_device(struct input_dev *dev)
1131 1143
1132 list_add_tail(&dev->node, &input_dev_list); 1144 list_add_tail(&dev->node, &input_dev_list);
1133 1145
1134 snprintf(dev->cdev.class_id, sizeof(dev->cdev.class_id), 1146 snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id),
1135 "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1); 1147 "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
1136 1148
1137 if (!dev->cdev.dev) 1149 if (dev->cdev.dev)
1138 dev->cdev.dev = dev->dev.parent; 1150 dev->dev.parent = dev->cdev.dev;
1139 1151
1140 error = class_device_add(&dev->cdev); 1152 error = device_add(&dev->dev);
1141 if (error) 1153 if (error)
1142 return error; 1154 return error;
1143 1155
1144 path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL); 1156 path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
1145 printk(KERN_INFO "input: %s as %s\n", 1157 printk(KERN_INFO "input: %s as %s\n",
1146 dev->name ? dev->name : "Unspecified device", path ? path : "N/A"); 1158 dev->name ? dev->name : "Unspecified device", path ? path : "N/A");
1147 kfree(path); 1159 kfree(path);
@@ -1173,7 +1185,7 @@ void input_unregister_device(struct input_dev *dev)
1173 1185
1174 list_del_init(&dev->node); 1186 list_del_init(&dev->node);
1175 1187
1176 class_device_unregister(&dev->cdev); 1188 device_unregister(&dev->dev);
1177 1189
1178 input_wakeup_procfs_readers(); 1190 input_wakeup_procfs_readers();
1179} 1191}
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 10e3b7bc925f..a9a0180bfd46 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -43,6 +43,8 @@ struct joydev {
43 struct input_handle handle; 43 struct input_handle handle;
44 wait_queue_head_t wait; 44 wait_queue_head_t wait;
45 struct list_head client_list; 45 struct list_head client_list;
46 struct device dev;
47
46 struct js_corr corr[ABS_MAX + 1]; 48 struct js_corr corr[ABS_MAX + 1];
47 struct JS_DATA_SAVE_TYPE glue; 49 struct JS_DATA_SAVE_TYPE glue;
48 int nabs; 50 int nabs;
@@ -138,8 +140,10 @@ static int joydev_fasync(int fd, struct file *file, int on)
138 return retval < 0 ? retval : 0; 140 return retval < 0 ? retval : 0;
139} 141}
140 142
141static void joydev_free(struct joydev *joydev) 143static void joydev_free(struct device *dev)
142{ 144{
145 struct joydev *joydev = container_of(dev, struct joydev, dev);
146
143 joydev_table[joydev->minor] = NULL; 147 joydev_table[joydev->minor] = NULL;
144 kfree(joydev); 148 kfree(joydev);
145} 149}
@@ -154,12 +158,10 @@ static int joydev_release(struct inode *inode, struct file *file)
154 list_del(&client->node); 158 list_del(&client->node);
155 kfree(client); 159 kfree(client);
156 160
157 if (!--joydev->open) { 161 if (!--joydev->open && joydev->exist)
158 if (joydev->exist) 162 input_close_device(&joydev->handle);
159 input_close_device(&joydev->handle); 163
160 else 164 put_device(&joydev->dev);
161 joydev_free(joydev);
162 }
163 165
164 return 0; 166 return 0;
165} 167}
@@ -178,24 +180,32 @@ static int joydev_open(struct inode *inode, struct file *file)
178 if (!joydev || !joydev->exist) 180 if (!joydev || !joydev->exist)
179 return -ENODEV; 181 return -ENODEV;
180 182
183 get_device(&joydev->dev);
184
181 client = kzalloc(sizeof(struct joydev_client), GFP_KERNEL); 185 client = kzalloc(sizeof(struct joydev_client), GFP_KERNEL);
182 if (!client) 186 if (!client) {
183 return -ENOMEM; 187 error = -ENOMEM;
188 goto err_put_joydev;
189 }
184 190
185 client->joydev = joydev; 191 client->joydev = joydev;
186 list_add_tail(&client->node, &joydev->client_list); 192 list_add_tail(&client->node, &joydev->client_list);
187 193
188 if (!joydev->open++ && joydev->exist) { 194 if (!joydev->open++ && joydev->exist) {
189 error = input_open_device(&joydev->handle); 195 error = input_open_device(&joydev->handle);
190 if (error) { 196 if (error)
191 list_del(&client->node); 197 goto err_free_client;
192 kfree(client);
193 return error;
194 }
195 } 198 }
196 199
197 file->private_data = client; 200 file->private_data = client;
198 return 0; 201 return 0;
202
203 err_free_client:
204 list_del(&client->node);
205 kfree(client);
206 err_put_joydev:
207 put_device(&joydev->dev);
208 return error;
199} 209}
200 210
201static ssize_t joydev_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) 211static ssize_t joydev_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
@@ -481,8 +491,6 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
481 const struct input_device_id *id) 491 const struct input_device_id *id)
482{ 492{
483 struct joydev *joydev; 493 struct joydev *joydev;
484 struct class_device *cdev;
485 dev_t devt;
486 int i, j, t, minor; 494 int i, j, t, minor;
487 int error; 495 int error;
488 496
@@ -505,7 +513,7 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
505 joydev->handle.name = joydev->name; 513 joydev->handle.name = joydev->name;
506 joydev->handle.handler = handler; 514 joydev->handle.handler = handler;
507 joydev->handle.private = joydev; 515 joydev->handle.private = joydev;
508 sprintf(joydev->name, "js%d", minor); 516 snprintf(joydev->name, sizeof(joydev->name), "js%d", minor);
509 517
510 for (i = 0; i < ABS_MAX + 1; i++) 518 for (i = 0; i < ABS_MAX + 1; i++)
511 if (test_bit(i, dev->absbit)) { 519 if (test_bit(i, dev->absbit)) {
@@ -547,36 +555,30 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
547 joydev->abs[i] = joydev_correct(dev->abs[j], joydev->corr + i); 555 joydev->abs[i] = joydev_correct(dev->abs[j], joydev->corr + i);
548 } 556 }
549 557
550 joydev_table[minor] = joydev; 558 snprintf(joydev->dev.bus_id, sizeof(joydev->dev.bus_id),
551 559 "js%d", minor);
552 devt = MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor), 560 joydev->dev.class = &input_class;
561 joydev->dev.parent = &dev->dev;
562 joydev->dev.devt = MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor);
563 joydev->dev.release = joydev_free;
564 device_initialize(&joydev->dev);
553 565
554 cdev = class_device_create(&input_class, &dev->cdev, devt, 566 joydev_table[minor] = joydev;
555 dev->cdev.dev, joydev->name);
556 if (IS_ERR(cdev)) {
557 error = PTR_ERR(cdev);
558 goto err_free_joydev;
559 }
560 567
561 /* temporary symlink to keep userspace happy */ 568 error = device_add(&joydev->dev);
562 error = sysfs_create_link(&input_class.subsys.kobj,
563 &cdev->kobj, joydev->name);
564 if (error) 569 if (error)
565 goto err_cdev_destroy; 570 goto err_free_joydev;
566 571
567 error = input_register_handle(&joydev->handle); 572 error = input_register_handle(&joydev->handle);
568 if (error) 573 if (error)
569 goto err_remove_link; 574 goto err_delete_joydev;
570 575
571 return 0; 576 return 0;
572 577
573 err_remove_link: 578 err_delete_joydev:
574 sysfs_remove_link(&input_class.subsys.kobj, joydev->name); 579 device_del(&joydev->dev);
575 err_cdev_destroy:
576 class_device_destroy(&input_class, devt);
577 err_free_joydev: 580 err_free_joydev:
578 joydev_table[minor] = NULL; 581 put_device(&joydev->dev);
579 kfree(joydev);
580 return error; 582 return error;
581} 583}
582 584
@@ -587,9 +589,8 @@ static void joydev_disconnect(struct input_handle *handle)
587 struct joydev_client *client; 589 struct joydev_client *client;
588 590
589 input_unregister_handle(handle); 591 input_unregister_handle(handle);
592 device_del(&joydev->dev);
590 593
591 sysfs_remove_link(&input_class.subsys.kobj, joydev->name);
592 class_device_destroy(&input_class, MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + joydev->minor));
593 joydev->exist = 0; 594 joydev->exist = 0;
594 595
595 if (joydev->open) { 596 if (joydev->open) {
@@ -597,8 +598,9 @@ static void joydev_disconnect(struct input_handle *handle)
597 list_for_each_entry(client, &joydev->client_list, node) 598 list_for_each_entry(client, &joydev->client_list, node)
598 kill_fasync(&client->fasync, SIGIO, POLL_HUP); 599 kill_fasync(&client->fasync, SIGIO, POLL_HUP);
599 wake_up_interruptible(&joydev->wait); 600 wake_up_interruptible(&joydev->wait);
600 } else 601 }
601 joydev_free(joydev); 602
603 put_device(&joydev->dev);
602} 604}
603 605
604static const struct input_device_id joydev_blacklist[] = { 606static const struct input_device_id joydev_blacklist[] = {
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 3f4866d8d18c..9173916b8be5 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -64,6 +64,7 @@ struct mousedev {
64 wait_queue_head_t wait; 64 wait_queue_head_t wait;
65 struct list_head client_list; 65 struct list_head client_list;
66 struct input_handle handle; 66 struct input_handle handle;
67 struct device dev;
67 68
68 struct list_head mixdev_node; 69 struct list_head mixdev_node;
69 int mixdev_open; 70 int mixdev_open;
@@ -112,7 +113,7 @@ static unsigned char mousedev_imex_seq[] = { 0xf3, 200, 0xf3, 200, 0xf3, 80 };
112static struct input_handler mousedev_handler; 113static struct input_handler mousedev_handler;
113 114
114static struct mousedev *mousedev_table[MOUSEDEV_MINORS]; 115static struct mousedev *mousedev_table[MOUSEDEV_MINORS];
115static struct mousedev mousedev_mix; 116static struct mousedev *mousedev_mix;
116static LIST_HEAD(mousedev_mix_list); 117static LIST_HEAD(mousedev_mix_list);
117 118
118#define fx(i) (mousedev->old_x[(mousedev->pkt_count - (i)) & 03]) 119#define fx(i) (mousedev->old_x[(mousedev->pkt_count - (i)) & 03])
@@ -218,10 +219,10 @@ static void mousedev_key_event(struct mousedev *mousedev, unsigned int code, int
218 219
219 if (value) { 220 if (value) {
220 set_bit(index, &mousedev->packet.buttons); 221 set_bit(index, &mousedev->packet.buttons);
221 set_bit(index, &mousedev_mix.packet.buttons); 222 set_bit(index, &mousedev_mix->packet.buttons);
222 } else { 223 } else {
223 clear_bit(index, &mousedev->packet.buttons); 224 clear_bit(index, &mousedev->packet.buttons);
224 clear_bit(index, &mousedev_mix.packet.buttons); 225 clear_bit(index, &mousedev_mix->packet.buttons);
225 } 226 }
226} 227}
227 228
@@ -287,11 +288,11 @@ static void mousedev_touchpad_touch(struct mousedev *mousedev, int value)
287 * motion packet so we won't mess current position. 288 * motion packet so we won't mess current position.
288 */ 289 */
289 set_bit(0, &mousedev->packet.buttons); 290 set_bit(0, &mousedev->packet.buttons);
290 set_bit(0, &mousedev_mix.packet.buttons); 291 set_bit(0, &mousedev_mix->packet.buttons);
291 mousedev_notify_readers(mousedev, &mousedev_mix.packet); 292 mousedev_notify_readers(mousedev, &mousedev_mix->packet);
292 mousedev_notify_readers(&mousedev_mix, &mousedev_mix.packet); 293 mousedev_notify_readers(mousedev_mix, &mousedev_mix->packet);
293 clear_bit(0, &mousedev->packet.buttons); 294 clear_bit(0, &mousedev->packet.buttons);
294 clear_bit(0, &mousedev_mix.packet.buttons); 295 clear_bit(0, &mousedev_mix->packet.buttons);
295 } 296 }
296 mousedev->touch = mousedev->pkt_count = 0; 297 mousedev->touch = mousedev->pkt_count = 0;
297 mousedev->frac_dx = 0; 298 mousedev->frac_dx = 0;
@@ -343,7 +344,7 @@ static void mousedev_event(struct input_handle *handle, unsigned int type, unsig
343 } 344 }
344 345
345 mousedev_notify_readers(mousedev, &mousedev->packet); 346 mousedev_notify_readers(mousedev, &mousedev->packet);
346 mousedev_notify_readers(&mousedev_mix, &mousedev->packet); 347 mousedev_notify_readers(mousedev_mix, &mousedev->packet);
347 348
348 mousedev->packet.dx = mousedev->packet.dy = mousedev->packet.dz = 0; 349 mousedev->packet.dx = mousedev->packet.dy = mousedev->packet.dz = 0;
349 mousedev->packet.abs_event = 0; 350 mousedev->packet.abs_event = 0;
@@ -362,8 +363,10 @@ static int mousedev_fasync(int fd, struct file *file, int on)
362 return retval < 0 ? retval : 0; 363 return retval < 0 ? retval : 0;
363} 364}
364 365
365static void mousedev_free(struct mousedev *mousedev) 366static void mousedev_free(struct device *dev)
366{ 367{
368 struct mousedev *mousedev = container_of(dev, struct mousedev, dev);
369
367 mousedev_table[mousedev->minor] = NULL; 370 mousedev_table[mousedev->minor] = NULL;
368 kfree(mousedev); 371 kfree(mousedev);
369} 372}
@@ -372,15 +375,16 @@ static int mixdev_add_device(struct mousedev *mousedev)
372{ 375{
373 int error; 376 int error;
374 377
375 if (mousedev_mix.open) { 378 if (mousedev_mix->open) {
376 error = input_open_device(&mousedev->handle); 379 error = input_open_device(&mousedev->handle);
377 if (error) 380 if (error)
378 return error; 381 return error;
379 382
380 mousedev->open++; 383 mousedev->open++;
381 mousedev->mixdev_open++; 384 mousedev->mixdev_open = 1;
382 } 385 }
383 386
387 get_device(&mousedev->dev);
384 list_add_tail(&mousedev->mixdev_node, &mousedev_mix_list); 388 list_add_tail(&mousedev->mixdev_node, &mousedev_mix_list);
385 389
386 return 0; 390 return 0;
@@ -395,36 +399,40 @@ static void mixdev_remove_device(struct mousedev *mousedev)
395 } 399 }
396 400
397 list_del_init(&mousedev->mixdev_node); 401 list_del_init(&mousedev->mixdev_node);
402 put_device(&mousedev->dev);
398} 403}
399 404
400static void mixdev_open_devices(void) 405static void mixdev_open_devices(void)
401{ 406{
402 struct mousedev *mousedev; 407 struct mousedev *mousedev;
403 408
409 if (mousedev_mix->open++)
410 return;
411
404 list_for_each_entry(mousedev, &mousedev_mix_list, mixdev_node) { 412 list_for_each_entry(mousedev, &mousedev_mix_list, mixdev_node) {
405 if (mousedev->exist && !mousedev->open) { 413 if (!mousedev->mixdev_open) {
406 if (input_open_device(&mousedev->handle)) 414 if (!mousedev->open && mousedev->exist)
407 continue; 415 if (input_open_device(&mousedev->handle))
416 continue;
408 417
409 mousedev->open++; 418 mousedev->open++;
410 mousedev->mixdev_open++; 419 mousedev->mixdev_open = 1;
411 } 420 }
412 } 421 }
413} 422}
414 423
415static void mixdev_close_devices(void) 424static void mixdev_close_devices(void)
416{ 425{
417 struct mousedev *mousedev, *next; 426 struct mousedev *mousedev;
418 427
419 list_for_each_entry_safe(mousedev, next, &mousedev_mix_list, mixdev_node) { 428 if (--mousedev_mix->open)
429 return;
430
431 list_for_each_entry(mousedev, &mousedev_mix_list, mixdev_node) {
420 if (mousedev->mixdev_open) { 432 if (mousedev->mixdev_open) {
421 mousedev->mixdev_open = 0; 433 mousedev->mixdev_open = 0;
422 if (!--mousedev->open) { 434 if (!--mousedev->open && mousedev->exist)
423 if (mousedev->exist) 435 input_close_device(&mousedev->handle);
424 input_close_device(&mousedev->handle);
425 else
426 mousedev_free(mousedev);
427 }
428 } 436 }
429 } 437 }
430} 438}
@@ -439,14 +447,12 @@ static int mousedev_release(struct inode *inode, struct file *file)
439 list_del(&client->node); 447 list_del(&client->node);
440 kfree(client); 448 kfree(client);
441 449
442 if (!--mousedev->open) { 450 if (mousedev->minor == MOUSEDEV_MIX)
443 if (mousedev->minor == MOUSEDEV_MIX) 451 mixdev_close_devices();
444 mixdev_close_devices(); 452 else if (!--mousedev->open && mousedev->exist)
445 else if (mousedev->exist) 453 input_close_device(&mousedev->handle);
446 input_close_device(&mousedev->handle); 454
447 else 455 put_device(&mousedev->dev);
448 mousedev_free(mousedev);
449 }
450 456
451 return 0; 457 return 0;
452} 458}
@@ -473,9 +479,13 @@ static int mousedev_open(struct inode *inode, struct file *file)
473 if (!mousedev) 479 if (!mousedev)
474 return -ENODEV; 480 return -ENODEV;
475 481
482 get_device(&mousedev->dev);
483
476 client = kzalloc(sizeof(struct mousedev_client), GFP_KERNEL); 484 client = kzalloc(sizeof(struct mousedev_client), GFP_KERNEL);
477 if (!client) 485 if (!client) {
478 return -ENOMEM; 486 error = -ENOMEM;
487 goto err_put_mousedev;
488 }
479 489
480 spin_lock_init(&client->packet_lock); 490 spin_lock_init(&client->packet_lock);
481 client->pos_x = xres / 2; 491 client->pos_x = xres / 2;
@@ -483,21 +493,23 @@ static int mousedev_open(struct inode *inode, struct file *file)
483 client->mousedev = mousedev; 493 client->mousedev = mousedev;
484 list_add_tail(&client->node, &mousedev->client_list); 494 list_add_tail(&client->node, &mousedev->client_list);
485 495
486 if (!mousedev->open++) { 496 if (mousedev->minor == MOUSEDEV_MIX)
487 if (mousedev->minor == MOUSEDEV_MIX) 497 mixdev_open_devices();
488 mixdev_open_devices(); 498 else if (!mousedev->open++ && mousedev->exist) {
489 else if (mousedev->exist) { 499 error = input_open_device(&mousedev->handle);
490 error = input_open_device(&mousedev->handle); 500 if (error)
491 if (error) { 501 goto err_free_client;
492 list_del(&client->node);
493 kfree(client);
494 return error;
495 }
496 }
497 } 502 }
498 503
499 file->private_data = client; 504 file->private_data = client;
500 return 0; 505 return 0;
506
507 err_free_client:
508 list_del(&client->node);
509 kfree(client);
510 err_put_mousedev:
511 put_device(&mousedev->dev);
512 return error;
501} 513}
502 514
503static inline int mousedev_limit_delta(int delta, int limit) 515static inline int mousedev_limit_delta(int delta, int limit)
@@ -680,57 +692,96 @@ static const struct file_operations mousedev_fops = {
680 .fasync = mousedev_fasync, 692 .fasync = mousedev_fasync,
681}; 693};
682 694
683static int mousedev_connect(struct input_handler *handler, struct input_dev *dev, 695static struct mousedev *mousedev_create(struct input_dev *dev,
684 const struct input_device_id *id) 696 struct input_handler *handler,
697 int minor)
685{ 698{
686 struct mousedev *mousedev; 699 struct mousedev *mousedev;
687 struct class_device *cdev;
688 dev_t devt;
689 int minor;
690 int error; 700 int error;
691 701
692 for (minor = 0; minor < MOUSEDEV_MINORS && mousedev_table[minor]; minor++);
693 if (minor == MOUSEDEV_MINORS) {
694 printk(KERN_ERR "mousedev: no more free mousedev devices\n");
695 return -ENFILE;
696 }
697
698 mousedev = kzalloc(sizeof(struct mousedev), GFP_KERNEL); 702 mousedev = kzalloc(sizeof(struct mousedev), GFP_KERNEL);
699 if (!mousedev) 703 if (!mousedev) {
700 return -ENOMEM; 704 error = -ENOMEM;
705 goto err_out;
706 }
701 707
702 INIT_LIST_HEAD(&mousedev->client_list); 708 INIT_LIST_HEAD(&mousedev->client_list);
703 INIT_LIST_HEAD(&mousedev->mixdev_node); 709 INIT_LIST_HEAD(&mousedev->mixdev_node);
704 init_waitqueue_head(&mousedev->wait); 710 init_waitqueue_head(&mousedev->wait);
705 711
712 if (minor == MOUSEDEV_MIX)
713 strlcpy(mousedev->name, "mice", sizeof(mousedev->name));
714 else
715 snprintf(mousedev->name, sizeof(mousedev->name),
716 "mouse%d", minor);
717
706 mousedev->minor = minor; 718 mousedev->minor = minor;
707 mousedev->exist = 1; 719 mousedev->exist = 1;
708 mousedev->handle.dev = dev; 720 mousedev->handle.dev = dev;
709 mousedev->handle.name = mousedev->name; 721 mousedev->handle.name = mousedev->name;
710 mousedev->handle.handler = handler; 722 mousedev->handle.handler = handler;
711 mousedev->handle.private = mousedev; 723 mousedev->handle.private = mousedev;
712 sprintf(mousedev->name, "mouse%d", minor);
713 724
714 mousedev_table[minor] = mousedev; 725 strlcpy(mousedev->dev.bus_id, mousedev->name,
726 sizeof(mousedev->dev.bus_id));
727 mousedev->dev.class = &input_class;
728 if (dev)
729 mousedev->dev.parent = &dev->dev;
730 mousedev->dev.devt = MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + minor);
731 mousedev->dev.release = mousedev_free;
732 device_initialize(&mousedev->dev);
715 733
716 devt = MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + minor), 734 mousedev_table[minor] = mousedev;
717 735
718 cdev = class_device_create(&input_class, &dev->cdev, devt, 736 error = device_add(&mousedev->dev);
719 dev->cdev.dev, mousedev->name); 737 if (error)
720 if (IS_ERR(cdev)) {
721 error = PTR_ERR(cdev);
722 goto err_free_mousedev; 738 goto err_free_mousedev;
739
740 return mousedev;
741
742 err_free_mousedev:
743 put_device(&mousedev->dev);
744 err_out:
745 return ERR_PTR(error);
746}
747
748static void mousedev_destroy(struct mousedev *mousedev)
749{
750 struct mousedev_client *client;
751
752 device_del(&mousedev->dev);
753 mousedev->exist = 0;
754
755 if (mousedev->open) {
756 input_close_device(&mousedev->handle);
757 list_for_each_entry(client, &mousedev->client_list, node)
758 kill_fasync(&client->fasync, SIGIO, POLL_HUP);
759 wake_up_interruptible(&mousedev->wait);
723 } 760 }
724 761
725 /* temporary symlink to keep userspace happy */ 762 put_device(&mousedev->dev);
726 error = sysfs_create_link(&input_class.subsys.kobj, 763}
727 &cdev->kobj, mousedev->name); 764
728 if (error) 765static int mousedev_connect(struct input_handler *handler, struct input_dev *dev,
729 goto err_cdev_destroy; 766 const struct input_device_id *id)
767{
768 struct mousedev *mousedev;
769 int minor;
770 int error;
771
772 for (minor = 0; minor < MOUSEDEV_MINORS && mousedev_table[minor]; minor++);
773 if (minor == MOUSEDEV_MINORS) {
774 printk(KERN_ERR "mousedev: no more free mousedev devices\n");
775 return -ENFILE;
776 }
777
778 mousedev = mousedev_create(dev, handler, minor);
779 if (IS_ERR(mousedev))
780 return PTR_ERR(mousedev);
730 781
731 error = input_register_handle(&mousedev->handle); 782 error = input_register_handle(&mousedev->handle);
732 if (error) 783 if (error)
733 goto err_remove_link; 784 goto err_delete_mousedev;
734 785
735 error = mixdev_add_device(mousedev); 786 error = mixdev_add_device(mousedev);
736 if (error) 787 if (error)
@@ -740,37 +791,18 @@ static int mousedev_connect(struct input_handler *handler, struct input_dev *dev
740 791
741 err_unregister_handle: 792 err_unregister_handle:
742 input_unregister_handle(&mousedev->handle); 793 input_unregister_handle(&mousedev->handle);
743 err_remove_link: 794 err_delete_mousedev:
744 sysfs_remove_link(&input_class.subsys.kobj, mousedev->name); 795 device_unregister(&mousedev->dev);
745 err_cdev_destroy:
746 class_device_destroy(&input_class, devt);
747 err_free_mousedev:
748 mousedev_table[minor] = NULL;
749 kfree(mousedev);
750 return error; 796 return error;
751} 797}
752 798
753static void mousedev_disconnect(struct input_handle *handle) 799static void mousedev_disconnect(struct input_handle *handle)
754{ 800{
755 struct mousedev *mousedev = handle->private; 801 struct mousedev *mousedev = handle->private;
756 struct mousedev_client *client;
757
758 input_unregister_handle(handle);
759
760 sysfs_remove_link(&input_class.subsys.kobj, mousedev->name);
761 class_device_destroy(&input_class,
762 MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + mousedev->minor));
763 mousedev->exist = 0;
764 802
765 mixdev_remove_device(mousedev); 803 mixdev_remove_device(mousedev);
766 804 input_unregister_handle(handle);
767 if (mousedev->open) { 805 mousedev_destroy(mousedev);
768 input_close_device(handle);
769 list_for_each_entry(client, &mousedev->client_list, node)
770 kill_fasync(&client->fasync, SIGIO, POLL_HUP);
771 wake_up_interruptible(&mousedev->wait);
772 } else
773 mousedev_free(mousedev);
774} 806}
775 807
776static const struct input_device_id mousedev_ids[] = { 808static const struct input_device_id mousedev_ids[] = {
@@ -822,25 +854,16 @@ static int psaux_registered;
822 854
823static int __init mousedev_init(void) 855static int __init mousedev_init(void)
824{ 856{
825 struct class_device *cdev;
826 int error; 857 int error;
827 858
859 mousedev_mix = mousedev_create(NULL, &mousedev_handler, MOUSEDEV_MIX);
860 if (IS_ERR(mousedev_mix))
861 return PTR_ERR(mousedev_mix);
862
828 error = input_register_handler(&mousedev_handler); 863 error = input_register_handler(&mousedev_handler);
829 if (error) 864 if (error) {
865 mousedev_destroy(mousedev_mix);
830 return error; 866 return error;
831
832 memset(&mousedev_mix, 0, sizeof(struct mousedev));
833 INIT_LIST_HEAD(&mousedev_mix.client_list);
834 init_waitqueue_head(&mousedev_mix.wait);
835 mousedev_table[MOUSEDEV_MIX] = &mousedev_mix;
836 mousedev_mix.exist = 1;
837 mousedev_mix.minor = MOUSEDEV_MIX;
838
839 cdev = class_device_create(&input_class, NULL,
840 MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + MOUSEDEV_MIX), NULL, "mice");
841 if (IS_ERR(cdev)) {
842 input_unregister_handler(&mousedev_handler);
843 return PTR_ERR(cdev);
844 } 867 }
845 868
846#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX 869#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
@@ -863,9 +886,8 @@ static void __exit mousedev_exit(void)
863 if (psaux_registered) 886 if (psaux_registered)
864 misc_deregister(&psaux_mouse); 887 misc_deregister(&psaux_mouse);
865#endif 888#endif
866 class_device_destroy(&input_class,
867 MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + MOUSEDEV_MIX));
868 input_unregister_handler(&mousedev_handler); 889 input_unregister_handler(&mousedev_handler);
890 mousedev_destroy(mousedev_mix);
869} 891}
870 892
871module_init(mousedev_init); 893module_init(mousedev_init);
diff --git a/drivers/input/tsdev.c b/drivers/input/tsdev.c
index 2db364898e15..4cd5bbc44cca 100644
--- a/drivers/input/tsdev.c
+++ b/drivers/input/tsdev.c
@@ -109,9 +109,11 @@ struct tsdev {
109 int open; 109 int open;
110 int minor; 110 int minor;
111 char name[8]; 111 char name[8];
112 struct input_handle handle;
112 wait_queue_head_t wait; 113 wait_queue_head_t wait;
113 struct list_head client_list; 114 struct list_head client_list;
114 struct input_handle handle; 115 struct device dev;
116
115 int x, y, pressure; 117 int x, y, pressure;
116 struct ts_calibration cal; 118 struct ts_calibration cal;
117}; 119};
@@ -163,9 +165,13 @@ static int tsdev_open(struct inode *inode, struct file *file)
163 if (!tsdev || !tsdev->exist) 165 if (!tsdev || !tsdev->exist)
164 return -ENODEV; 166 return -ENODEV;
165 167
168 get_device(&tsdev->dev);
169
166 client = kzalloc(sizeof(struct tsdev_client), GFP_KERNEL); 170 client = kzalloc(sizeof(struct tsdev_client), GFP_KERNEL);
167 if (!client) 171 if (!client) {
168 return -ENOMEM; 172 error = -ENOMEM;
173 goto err_put_tsdev;
174 }
169 175
170 client->tsdev = tsdev; 176 client->tsdev = tsdev;
171 client->raw = (i >= TSDEV_MINORS / 2) ? 1 : 0; 177 client->raw = (i >= TSDEV_MINORS / 2) ? 1 : 0;
@@ -173,19 +179,25 @@ static int tsdev_open(struct inode *inode, struct file *file)
173 179
174 if (!tsdev->open++ && tsdev->exist) { 180 if (!tsdev->open++ && tsdev->exist) {
175 error = input_open_device(&tsdev->handle); 181 error = input_open_device(&tsdev->handle);
176 if (error) { 182 if (error)
177 list_del(&client->node); 183 goto err_free_client;
178 kfree(client);
179 return error;
180 }
181 } 184 }
182 185
183 file->private_data = client; 186 file->private_data = client;
184 return 0; 187 return 0;
188
189 err_free_client:
190 list_del(&client->node);
191 kfree(client);
192 err_put_tsdev:
193 put_device(&tsdev->dev);
194 return error;
185} 195}
186 196
187static void tsdev_free(struct tsdev *tsdev) 197static void tsdev_free(struct device *dev)
188{ 198{
199 struct tsdev *tsdev = container_of(dev, struct tsdev, dev);
200
189 tsdev_table[tsdev->minor] = NULL; 201 tsdev_table[tsdev->minor] = NULL;
190 kfree(tsdev); 202 kfree(tsdev);
191} 203}
@@ -200,12 +212,10 @@ static int tsdev_release(struct inode *inode, struct file *file)
200 list_del(&client->node); 212 list_del(&client->node);
201 kfree(client); 213 kfree(client);
202 214
203 if (!--tsdev->open) { 215 if (!--tsdev->open && tsdev->exist)
204 if (tsdev->exist) 216 input_close_device(&tsdev->handle);
205 input_close_device(&tsdev->handle); 217
206 else 218 put_device(&tsdev->dev);
207 tsdev_free(tsdev);
208 }
209 219
210 return 0; 220 return 0;
211} 221}
@@ -388,8 +398,6 @@ static int tsdev_connect(struct input_handler *handler, struct input_dev *dev,
388 const struct input_device_id *id) 398 const struct input_device_id *id)
389{ 399{
390 struct tsdev *tsdev; 400 struct tsdev *tsdev;
391 struct class_device *cdev;
392 dev_t devt;
393 int minor, delta; 401 int minor, delta;
394 int error; 402 int error;
395 403
@@ -407,14 +415,13 @@ static int tsdev_connect(struct input_handler *handler, struct input_dev *dev,
407 INIT_LIST_HEAD(&tsdev->client_list); 415 INIT_LIST_HEAD(&tsdev->client_list);
408 init_waitqueue_head(&tsdev->wait); 416 init_waitqueue_head(&tsdev->wait);
409 417
410 sprintf(tsdev->name, "ts%d", minor);
411
412 tsdev->exist = 1; 418 tsdev->exist = 1;
413 tsdev->minor = minor; 419 tsdev->minor = minor;
414 tsdev->handle.dev = dev; 420 tsdev->handle.dev = dev;
415 tsdev->handle.name = tsdev->name; 421 tsdev->handle.name = tsdev->name;
416 tsdev->handle.handler = handler; 422 tsdev->handle.handler = handler;
417 tsdev->handle.private = tsdev; 423 tsdev->handle.private = tsdev;
424 snprintf(tsdev->name, sizeof(tsdev->name), "ts%d", minor);
418 425
419 /* Precompute the rough calibration matrix */ 426 /* Precompute the rough calibration matrix */
420 delta = dev->absmax [ABS_X] - dev->absmin [ABS_X] + 1; 427 delta = dev->absmax [ABS_X] - dev->absmin [ABS_X] + 1;
@@ -429,36 +436,30 @@ static int tsdev_connect(struct input_handler *handler, struct input_dev *dev,
429 tsdev->cal.yscale = (yres << 8) / delta; 436 tsdev->cal.yscale = (yres << 8) / delta;
430 tsdev->cal.ytrans = - ((dev->absmin [ABS_Y] * tsdev->cal.yscale) >> 8); 437 tsdev->cal.ytrans = - ((dev->absmin [ABS_Y] * tsdev->cal.yscale) >> 8);
431 438
432 tsdev_table[minor] = tsdev; 439 snprintf(tsdev->dev.bus_id, sizeof(tsdev->dev.bus_id),
433 440 "ts%d", minor);
434 devt = MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + minor), 441 tsdev->dev.class = &input_class;
442 tsdev->dev.parent = &dev->dev;
443 tsdev->dev.devt = MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + minor);
444 tsdev->dev.release = tsdev_free;
445 device_initialize(&tsdev->dev);
435 446
436 cdev = class_device_create(&input_class, &dev->cdev, devt, 447 tsdev_table[minor] = tsdev;
437 dev->cdev.dev, tsdev->name);
438 if (IS_ERR(cdev)) {
439 error = PTR_ERR(cdev);
440 goto err_free_tsdev;
441 }
442 448
443 /* temporary symlink to keep userspace happy */ 449 error = device_add(&tsdev->dev);
444 error = sysfs_create_link(&input_class.subsys.kobj,
445 &cdev->kobj, tsdev->name);
446 if (error) 450 if (error)
447 goto err_cdev_destroy; 451 goto err_free_tsdev;
448 452
449 error = input_register_handle(&tsdev->handle); 453 error = input_register_handle(&tsdev->handle);
450 if (error) 454 if (error)
451 goto err_remove_link; 455 goto err_delete_tsdev;
452 456
453 return 0; 457 return 0;
454 458
455 err_remove_link: 459 err_delete_tsdev:
456 sysfs_remove_link(&input_class.subsys.kobj, tsdev->name); 460 device_del(&tsdev->dev);
457 err_cdev_destroy:
458 class_device_destroy(&input_class, devt);
459 err_free_tsdev: 461 err_free_tsdev:
460 tsdev_table[minor] = NULL; 462 put_device(&tsdev->dev);
461 kfree(tsdev);
462 return error; 463 return error;
463} 464}
464 465
@@ -468,10 +469,8 @@ static void tsdev_disconnect(struct input_handle *handle)
468 struct tsdev_client *client; 469 struct tsdev_client *client;
469 470
470 input_unregister_handle(handle); 471 input_unregister_handle(handle);
472 device_del(&tsdev->dev);
471 473
472 sysfs_remove_link(&input_class.subsys.kobj, tsdev->name);
473 class_device_destroy(&input_class,
474 MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + tsdev->minor));
475 tsdev->exist = 0; 474 tsdev->exist = 0;
476 475
477 if (tsdev->open) { 476 if (tsdev->open) {
@@ -479,8 +478,9 @@ static void tsdev_disconnect(struct input_handle *handle)
479 list_for_each_entry(client, &tsdev->client_list, node) 478 list_for_each_entry(client, &tsdev->client_list, node)
480 kill_fasync(&client->fasync, SIGIO, POLL_HUP); 479 kill_fasync(&client->fasync, SIGIO, POLL_HUP);
481 wake_up_interruptible(&tsdev->wait); 480 wake_up_interruptible(&tsdev->wait);
482 } else 481 }
483 tsdev_free(tsdev); 482
483 put_device(&tsdev->dev);
484} 484}
485 485
486static const struct input_device_id tsdev_ids[] = { 486static const struct input_device_id tsdev_ids[] = {
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-13 23:42:48 -0500