aboutsummaryrefslogtreecommitdiff
path: root/drivers/input/mouse
diff options
context:
space:
mode:
authorHelge Deller <deller@parisc-linux.org>2006-03-26 07:41:55 -0700
committerKyle McMartin <kyle@hera.kernel.org>2006-03-30 17:48:53 +0000
commit102c8c76f787add0790406d5c47e03cb6f8765c2 (patch)
treefc61e0f94c48b051bd12590abd085e12d14e8ef1 /drivers/input/mouse
parent10267cdd0c2dee46a3f59d93fbfac7229d416dba (diff)
[PARISC] Convert HIL drivers to use input_allocate_device
Convert HIL drivers to use input_allocate_device() - avoids crashes. Signed-off-by: Helge Deller <deller@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'drivers/input/mouse')
-rw-r--r--drivers/input/mouse/hil_ptr.c91
1 files changed, 48 insertions, 43 deletions
diff --git a/drivers/input/mouse/hil_ptr.c b/drivers/input/mouse/hil_ptr.c
index c2bf2ed07dc..a648f9fe3d9 100644
--- a/drivers/input/mouse/hil_ptr.c
+++ b/drivers/input/mouse/hil_ptr.c
@@ -55,7 +55,7 @@ MODULE_LICENSE("Dual BSD/GPL");
#define HIL_PTR_MAX_LENGTH 16
struct hil_ptr {
- struct input_dev dev;
+ struct input_dev *dev;
struct serio *serio;
/* Input buffer and index for packets from HIL bus. */
@@ -79,7 +79,7 @@ struct hil_ptr {
/* Process a complete packet after transfer from the HIL */
static void hil_ptr_process_record(struct hil_ptr *ptr)
{
- struct input_dev *dev = &ptr->dev;
+ struct input_dev *dev = ptr->dev;
hil_packet *data = ptr->data;
hil_packet p;
int idx, i, cnt, laxis;
@@ -148,12 +148,12 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
if (absdev) {
val = lo + (hi<<8);
#ifdef TABLET_AUTOADJUST
- if (val < ptr->dev.absmin[ABS_X + i])
- ptr->dev.absmin[ABS_X + i] = val;
- if (val > ptr->dev.absmax[ABS_X + i])
- ptr->dev.absmax[ABS_X + i] = val;
+ if (val < dev->absmin[ABS_X + i])
+ dev->absmin[ABS_X + i] = val;
+ if (val > dev->absmax[ABS_X + i])
+ dev->absmax[ABS_X + i] = val;
#endif
- if (i%3) val = ptr->dev.absmax[ABS_X + i] - val;
+ if (i%3) val = dev->absmax[ABS_X + i] - val;
input_report_abs(dev, ABS_X + i, val);
} else {
val = (int) (((int8_t)lo) | ((int8_t)hi<<8));
@@ -233,26 +233,30 @@ static void hil_ptr_disconnect(struct serio *serio)
return;
}
- input_unregister_device(&ptr->dev);
+ input_unregister_device(ptr->dev);
serio_close(serio);
+ input_free_device(ptr->dev);
kfree(ptr);
}
static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
{
- struct hil_ptr *ptr;
- char *txt;
- unsigned int i, naxsets, btntype;
- uint8_t did, *idd;
+ struct hil_ptr *ptr;
+ char *txt;
+ unsigned int i, naxsets, btntype;
+ uint8_t did, *idd;
- if (!(ptr = kmalloc(sizeof(struct hil_ptr), GFP_KERNEL))) return -ENOMEM;
- memset(ptr, 0, sizeof(struct hil_ptr));
+ if (!(ptr = kzalloc(sizeof(struct hil_ptr), GFP_KERNEL)))
+ return -ENOMEM;
- if (serio_open(serio, driver)) goto bail0;
+ ptr->dev = input_allocate_device();
+ if (!ptr->dev) goto bail0;
+ ptr->dev->private = ptr;
+
+ if (serio_open(serio, driver)) goto bail1;
serio_set_drvdata(serio, ptr);
ptr->serio = serio;
- ptr->dev.private = ptr;
init_MUTEX_LOCKED(&(ptr->sem));
@@ -283,25 +287,24 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
up(&(ptr->sem));
- init_input_dev(&ptr->dev);
did = ptr->idd[0];
idd = ptr->idd + 1;
txt = "unknown";
if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) {
- ptr->dev.evbit[0] = BIT(EV_REL);
+ ptr->dev->evbit[0] = BIT(EV_REL);
txt = "relative";
}
if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_ABS) {
- ptr->dev.evbit[0] = BIT(EV_ABS);
+ ptr->dev->evbit[0] = BIT(EV_ABS);
txt = "absolute";
}
- if (!ptr->dev.evbit[0]) {
- goto bail1;
+ if (!ptr->dev->evbit[0]) {
+ goto bail2;
}
ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd);
- if (ptr->nbtn) ptr->dev.evbit[0] |= BIT(EV_KEY);
+ if (ptr->nbtn) ptr->dev->evbit[0] |= BIT(EV_KEY);
naxsets = HIL_IDD_NUM_AXSETS(*idd);
ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd);
@@ -325,7 +328,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
btntype = BTN_MOUSE;
for (i = 0; i < ptr->nbtn; i++) {
- set_bit(btntype | i, ptr->dev.keybit);
+ set_bit(btntype | i, ptr->dev->keybit);
ptr->btnmap[i] = btntype | i;
}
@@ -337,50 +340,52 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) {
for (i = 0; i < ptr->naxes; i++) {
- set_bit(REL_X + i, ptr->dev.relbit);
+ set_bit(REL_X + i, ptr->dev->relbit);
}
for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) {
- set_bit(REL_X + i, ptr->dev.relbit);
+ set_bit(REL_X + i, ptr->dev->relbit);
}
} else {
for (i = 0; i < ptr->naxes; i++) {
- set_bit(ABS_X + i, ptr->dev.absbit);
- ptr->dev.absmin[ABS_X + i] = 0;
- ptr->dev.absmax[ABS_X + i] =
+ set_bit(ABS_X + i, ptr->dev->absbit);
+ ptr->dev->absmin[ABS_X + i] = 0;
+ ptr->dev->absmax[ABS_X + i] =
HIL_IDD_AXIS_MAX((ptr->idd + 1), i);
}
for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) {
- set_bit(ABS_X + i, ptr->dev.absbit);
- ptr->dev.absmin[ABS_X + i] = 0;
- ptr->dev.absmax[ABS_X + i] =
+ set_bit(ABS_X + i, ptr->dev->absbit);
+ ptr->dev->absmin[ABS_X + i] = 0;
+ ptr->dev->absmax[ABS_X + i] =
HIL_IDD_AXIS_MAX((ptr->idd + 1), (i - 3));
}
#ifdef TABLET_AUTOADJUST
for (i = 0; i < ABS_MAX; i++) {
- int diff = ptr->dev.absmax[ABS_X + i] / 10;
- ptr->dev.absmin[ABS_X + i] += diff;
- ptr->dev.absmax[ABS_X + i] -= diff;
+ int diff = ptr->dev->absmax[ABS_X + i] / 10;
+ ptr->dev->absmin[ABS_X + i] += diff;
+ ptr->dev->absmax[ABS_X + i] -= diff;
}
#endif
}
- ptr->dev.name = strlen(ptr->rnm) ? ptr->rnm : HIL_GENERIC_NAME;
+ ptr->dev->name = strlen(ptr->rnm) ? ptr->rnm : HIL_GENERIC_NAME;
- ptr->dev.id.bustype = BUS_HIL;
- ptr->dev.id.vendor = PCI_VENDOR_ID_HP;
- ptr->dev.id.product = 0x0001; /* TODO: get from ptr->rsc */
- ptr->dev.id.version = 0x0100; /* TODO: get from ptr->rsc */
- ptr->dev.dev = &serio->dev;
+ ptr->dev->id.bustype = BUS_HIL;
+ ptr->dev->id.vendor = PCI_VENDOR_ID_HP;
+ ptr->dev->id.product = 0x0001; /* TODO: get from ptr->rsc */
+ ptr->dev->id.version = 0x0100; /* TODO: get from ptr->rsc */
+ ptr->dev->dev = &serio->dev;
- input_register_device(&ptr->dev);
+ input_register_device(ptr->dev);
printk(KERN_INFO "input: %s (%s), ID: %d\n",
- ptr->dev.name,
+ ptr->dev->name,
(btntype == BTN_MOUSE) ? "HIL mouse":"HIL tablet or touchpad",
did);
return 0;
- bail1:
+ bail2:
serio_close(serio);
+ bail1:
+ input_free_device(ptr->dev);
bail0:
kfree(ptr);
serio_set_drvdata(serio, NULL);