[PATCH] drivers/input/keyboard: convert to dynamic input_dev allocation
Input: convert drivers/input/keyboard to dynamic input_dev allocation
This is required for input_dev sysfs integration
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 1ad8c2e..820c7fd 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -185,12 +185,12 @@
struct atkbd {
- struct ps2dev ps2dev;
+ struct ps2dev ps2dev;
+ struct input_dev *dev;
/* Written only during init */
char name[64];
char phys[32];
- struct input_dev dev;
unsigned short id;
unsigned char keycode[512];
@@ -290,7 +290,7 @@
if (!atkbd->enabled)
goto out;
- input_event(&atkbd->dev, EV_MSC, MSC_RAW, code);
+ input_event(atkbd->dev, EV_MSC, MSC_RAW, code);
if (atkbd->translated) {
@@ -326,10 +326,10 @@
atkbd->release = 1;
goto out;
case ATKBD_RET_HANGUEL:
- atkbd_report_key(&atkbd->dev, regs, KEY_HANGUEL, 3);
+ atkbd_report_key(atkbd->dev, regs, KEY_HANGUEL, 3);
goto out;
case ATKBD_RET_HANJA:
- atkbd_report_key(&atkbd->dev, regs, KEY_HANJA, 3);
+ atkbd_report_key(atkbd->dev, regs, KEY_HANJA, 3);
goto out;
case ATKBD_RET_ERR:
printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys);
@@ -345,7 +345,7 @@
}
if (atkbd->keycode[code] != ATKBD_KEY_NULL)
- input_event(&atkbd->dev, EV_MSC, MSC_SCAN, code);
+ input_event(atkbd->dev, EV_MSC, MSC_SCAN, code);
switch (atkbd->keycode[code]) {
case ATKBD_KEY_NULL:
@@ -365,7 +365,7 @@
"to make it known.\n",
code & 0x80 ? "e0" : "", code & 0x7f);
}
- input_sync(&atkbd->dev);
+ input_sync(atkbd->dev);
break;
case ATKBD_SCR_1:
scroll = 1 - atkbd->release * 2;
@@ -390,7 +390,7 @@
break;
default:
value = atkbd->release ? 0 :
- (1 + (!atkbd->softrepeat && test_bit(atkbd->keycode[code], atkbd->dev.key)));
+ (1 + (!atkbd->softrepeat && test_bit(atkbd->keycode[code], atkbd->dev->key)));
switch (value) { /* Workaround Toshiba laptop multiple keypress */
case 0:
@@ -398,7 +398,7 @@
break;
case 1:
atkbd->last = code;
- atkbd->time = jiffies + msecs_to_jiffies(atkbd->dev.rep[REP_DELAY]) / 2;
+ atkbd->time = jiffies + msecs_to_jiffies(atkbd->dev->rep[REP_DELAY]) / 2;
break;
case 2:
if (!time_after(jiffies, atkbd->time) && atkbd->last == code)
@@ -406,16 +406,16 @@
break;
}
- atkbd_report_key(&atkbd->dev, regs, atkbd->keycode[code], value);
+ atkbd_report_key(atkbd->dev, regs, atkbd->keycode[code], value);
}
if (atkbd->scroll) {
- input_regs(&atkbd->dev, regs);
+ input_regs(atkbd->dev, regs);
if (click != -1)
- input_report_key(&atkbd->dev, BTN_MIDDLE, click);
- input_report_rel(&atkbd->dev, REL_WHEEL, scroll);
- input_report_rel(&atkbd->dev, REL_HWHEEL, hscroll);
- input_sync(&atkbd->dev);
+ input_report_key(atkbd->dev, BTN_MIDDLE, click);
+ input_report_rel(atkbd->dev, REL_WHEEL, scroll);
+ input_report_rel(atkbd->dev, REL_HWHEEL, hscroll);
+ input_sync(atkbd->dev);
}
atkbd->release = 0;
@@ -463,7 +463,6 @@
return 0;
-
case EV_REP:
if (atkbd->softrepeat) return 0;
@@ -693,7 +692,7 @@
device_remove_file(&serio->dev, &atkbd_attr_softrepeat);
device_remove_file(&serio->dev, &atkbd_attr_softraw);
- input_unregister_device(&atkbd->dev);
+ input_unregister_device(atkbd->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
kfree(atkbd);
@@ -701,7 +700,7 @@
/*
- * atkbd_set_device_attrs() initializes keyboard's keycode table
+ * atkbd_set_keycode_table() initializes keyboard's keycode table
* according to the selected scancode set
*/
@@ -737,53 +736,58 @@
static void atkbd_set_device_attrs(struct atkbd *atkbd)
{
+ struct input_dev *input_dev = atkbd->dev;
int i;
- memset(&atkbd->dev, 0, sizeof(struct input_dev));
+ if (atkbd->extra)
+ sprintf(atkbd->name, "AT Set 2 Extra keyboard");
+ else
+ sprintf(atkbd->name, "AT %s Set %d keyboard",
+ atkbd->translated ? "Translated" : "Raw", atkbd->set);
- init_input_dev(&atkbd->dev);
+ sprintf(atkbd->phys, "%s/input0", atkbd->ps2dev.serio->phys);
- atkbd->dev.name = atkbd->name;
- atkbd->dev.phys = atkbd->phys;
- atkbd->dev.id.bustype = BUS_I8042;
- atkbd->dev.id.vendor = 0x0001;
- atkbd->dev.id.product = atkbd->translated ? 1 : atkbd->set;
- atkbd->dev.id.version = atkbd->id;
- atkbd->dev.event = atkbd_event;
- atkbd->dev.private = atkbd;
- atkbd->dev.dev = &atkbd->ps2dev.serio->dev;
+ input_dev->name = atkbd->name;
+ input_dev->phys = atkbd->phys;
+ input_dev->id.bustype = BUS_I8042;
+ input_dev->id.vendor = 0x0001;
+ input_dev->id.product = atkbd->translated ? 1 : atkbd->set;
+ input_dev->id.version = atkbd->id;
+ input_dev->event = atkbd_event;
+ input_dev->private = atkbd;
+ input_dev->cdev.dev = &atkbd->ps2dev.serio->dev;
- atkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_MSC);
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_MSC);
if (atkbd->write) {
- atkbd->dev.evbit[0] |= BIT(EV_LED);
- atkbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
+ input_dev->evbit[0] |= BIT(EV_LED);
+ input_dev->ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
}
if (atkbd->extra)
- atkbd->dev.ledbit[0] |= BIT(LED_COMPOSE) | BIT(LED_SUSPEND) |
+ input_dev->ledbit[0] |= BIT(LED_COMPOSE) | BIT(LED_SUSPEND) |
BIT(LED_SLEEP) | BIT(LED_MUTE) | BIT(LED_MISC);
if (!atkbd->softrepeat) {
- atkbd->dev.rep[REP_DELAY] = 250;
- atkbd->dev.rep[REP_PERIOD] = 33;
+ input_dev->rep[REP_DELAY] = 250;
+ input_dev->rep[REP_PERIOD] = 33;
}
- atkbd->dev.mscbit[0] = atkbd->softraw ? BIT(MSC_SCAN) : BIT(MSC_RAW) | BIT(MSC_SCAN);
+ input_dev->mscbit[0] = atkbd->softraw ? BIT(MSC_SCAN) : BIT(MSC_RAW) | BIT(MSC_SCAN);
if (atkbd->scroll) {
- atkbd->dev.evbit[0] |= BIT(EV_REL);
- atkbd->dev.relbit[0] = BIT(REL_WHEEL) | BIT(REL_HWHEEL);
- set_bit(BTN_MIDDLE, atkbd->dev.keybit);
+ input_dev->evbit[0] |= BIT(EV_REL);
+ input_dev->relbit[0] = BIT(REL_WHEEL) | BIT(REL_HWHEEL);
+ set_bit(BTN_MIDDLE, input_dev->keybit);
}
- atkbd->dev.keycode = atkbd->keycode;
- atkbd->dev.keycodesize = sizeof(unsigned char);
- atkbd->dev.keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
+ input_dev->keycode = atkbd->keycode;
+ input_dev->keycodesize = sizeof(unsigned char);
+ input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
for (i = 0; i < 512; i++)
if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL)
- set_bit(atkbd->keycode[i], atkbd->dev.keybit);
+ set_bit(atkbd->keycode[i], input_dev->keybit);
}
/*
@@ -796,13 +800,15 @@
static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
{
struct atkbd *atkbd;
- int err;
+ struct input_dev *dev;
+ int err = -ENOMEM;
- if (!(atkbd = kmalloc(sizeof(struct atkbd), GFP_KERNEL)))
- return - ENOMEM;
+ atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
+ dev = input_allocate_device();
+ if (!atkbd || !dev)
+ goto fail;
- memset(atkbd, 0, sizeof(struct atkbd));
-
+ atkbd->dev = dev;
ps2_init(&atkbd->ps2dev, serio);
switch (serio->id.type) {
@@ -828,19 +834,15 @@
serio_set_drvdata(serio, atkbd);
err = serio_open(serio, drv);
- if (err) {
- serio_set_drvdata(serio, NULL);
- kfree(atkbd);
- return err;
- }
+ if (err)
+ goto fail;
if (atkbd->write) {
if (atkbd_probe(atkbd)) {
serio_close(serio);
- serio_set_drvdata(serio, NULL);
- kfree(atkbd);
- return -ENODEV;
+ err = -ENODEV;
+ goto fail;
}
atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
@@ -851,19 +853,9 @@
atkbd->id = 0xab00;
}
- if (atkbd->extra)
- sprintf(atkbd->name, "AT Set 2 Extra keyboard");
- else
- sprintf(atkbd->name, "AT %s Set %d keyboard",
- atkbd->translated ? "Translated" : "Raw", atkbd->set);
-
- sprintf(atkbd->phys, "%s/input0", serio->phys);
-
atkbd_set_keycode_table(atkbd);
atkbd_set_device_attrs(atkbd);
- input_register_device(&atkbd->dev);
-
device_create_file(&serio->dev, &atkbd_attr_extra);
device_create_file(&serio->dev, &atkbd_attr_scroll);
device_create_file(&serio->dev, &atkbd_attr_set);
@@ -872,9 +864,14 @@
atkbd_enable(atkbd);
- printk(KERN_INFO "input: %s on %s\n", atkbd->name, serio->phys);
+ input_register_device(atkbd->dev);
return 0;
+
+ fail: serio_set_drvdata(serio, NULL);
+ input_free_device(dev);
+ kfree(atkbd);
+ return err;
}
/*
@@ -896,9 +893,9 @@
atkbd_disable(atkbd);
if (atkbd->write) {
- param[0] = (test_bit(LED_SCROLLL, atkbd->dev.led) ? 1 : 0)
- | (test_bit(LED_NUML, atkbd->dev.led) ? 2 : 0)
- | (test_bit(LED_CAPSL, atkbd->dev.led) ? 4 : 0);
+ param[0] = (test_bit(LED_SCROLLL, atkbd->dev->led) ? 1 : 0)
+ | (test_bit(LED_NUML, atkbd->dev->led) ? 2 : 0)
+ | (test_bit(LED_CAPSL, atkbd->dev->led) ? 4 : 0);
if (atkbd_probe(atkbd))
return -1;
@@ -1008,6 +1005,7 @@
static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
{
+ struct input_dev *new_dev;
unsigned long value;
char *rest;
@@ -1019,12 +1017,19 @@
return -EINVAL;
if (atkbd->extra != value) {
- /* unregister device as it's properties will change */
- input_unregister_device(&atkbd->dev);
+ /*
+ * Since device's properties will change we need to
+ * unregister old device. But allocate new one first
+ * to make sure we have it.
+ */
+ if (!(new_dev = input_allocate_device()))
+ return -ENOMEM;
+ input_unregister_device(atkbd->dev);
+ atkbd->dev = new_dev;
atkbd->set = atkbd_select_set(atkbd, atkbd->set, value);
atkbd_activate(atkbd);
atkbd_set_device_attrs(atkbd);
- input_register_device(&atkbd->dev);
+ input_register_device(atkbd->dev);
}
return count;
}
@@ -1036,6 +1041,7 @@
static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
{
+ struct input_dev *new_dev;
unsigned long value;
char *rest;
@@ -1044,12 +1050,14 @@
return -EINVAL;
if (atkbd->scroll != value) {
- /* unregister device as it's properties will change */
- input_unregister_device(&atkbd->dev);
+ if (!(new_dev = input_allocate_device()))
+ return -ENOMEM;
+ input_unregister_device(atkbd->dev);
+ atkbd->dev = new_dev;
atkbd->scroll = value;
atkbd_set_keycode_table(atkbd);
atkbd_set_device_attrs(atkbd);
- input_register_device(&atkbd->dev);
+ input_register_device(atkbd->dev);
}
return count;
}
@@ -1061,6 +1069,7 @@
static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
{
+ struct input_dev *new_dev;
unsigned long value;
char *rest;
@@ -1072,13 +1081,15 @@
return -EINVAL;
if (atkbd->set != value) {
- /* unregister device as it's properties will change */
- input_unregister_device(&atkbd->dev);
+ if (!(new_dev = input_allocate_device()))
+ return -ENOMEM;
+ input_unregister_device(atkbd->dev);
+ atkbd->dev = new_dev;
atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
atkbd_activate(atkbd);
atkbd_set_keycode_table(atkbd);
atkbd_set_device_attrs(atkbd);
- input_register_device(&atkbd->dev);
+ input_register_device(atkbd->dev);
}
return count;
}
@@ -1090,6 +1101,7 @@
static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
{
+ struct input_dev *new_dev;
unsigned long value;
char *rest;
@@ -1101,15 +1113,16 @@
return -EINVAL;
if (atkbd->softrepeat != value) {
- /* unregister device as it's properties will change */
- input_unregister_device(&atkbd->dev);
+ if (!(new_dev = input_allocate_device()))
+ return -ENOMEM;
+ input_unregister_device(atkbd->dev);
+ atkbd->dev = new_dev;
atkbd->softrepeat = value;
if (atkbd->softrepeat)
atkbd->softraw = 1;
atkbd_set_device_attrs(atkbd);
- input_register_device(&atkbd->dev);
+ input_register_device(atkbd->dev);
}
-
return count;
}
@@ -1121,6 +1134,7 @@
static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
{
+ struct input_dev *new_dev;
unsigned long value;
char *rest;
@@ -1129,11 +1143,13 @@
return -EINVAL;
if (atkbd->softraw != value) {
- /* unregister device as it's properties will change */
- input_unregister_device(&atkbd->dev);
+ if (!(new_dev = input_allocate_device()))
+ return -ENOMEM;
+ input_unregister_device(atkbd->dev);
+ atkbd->dev = new_dev;
atkbd->softraw = value;
atkbd_set_device_attrs(atkbd);
- input_register_device(&atkbd->dev);
+ input_register_device(atkbd->dev);
}
return count;
}