[PATCH] drivers/input/mouse: convert to dynamic input_dev allocation
Input: convert drivers/input/mouse 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/mouse/pc110pad.c b/drivers/input/mouse/pc110pad.c
index 93393d5..d284ea7 100644
--- a/drivers/input/mouse/pc110pad.c
+++ b/drivers/input/mouse/pc110pad.c
@@ -53,13 +53,10 @@
static int pc110pad_irq = 10;
static int pc110pad_io = 0x15e0;
-static struct input_dev pc110pad_dev;
+static struct input_dev *pc110pad_dev;
static int pc110pad_data[3];
static int pc110pad_count;
-static char *pc110pad_name = "IBM PC110 TouchPad";
-static char *pc110pad_phys = "isa15e0/input0";
-
static irqreturn_t pc110pad_interrupt(int irq, void *ptr, struct pt_regs *regs)
{
int value = inb_p(pc110pad_io);
@@ -74,14 +71,14 @@
if (pc110pad_count < 3)
return IRQ_HANDLED;
- input_regs(&pc110pad_dev, regs);
- input_report_key(&pc110pad_dev, BTN_TOUCH,
+ input_regs(pc110pad_dev, regs);
+ input_report_key(pc110pad_dev, BTN_TOUCH,
pc110pad_data[0] & 0x01);
- input_report_abs(&pc110pad_dev, ABS_X,
+ input_report_abs(pc110pad_dev, ABS_X,
pc110pad_data[1] | ((pc110pad_data[0] << 3) & 0x80) | ((pc110pad_data[0] << 1) & 0x100));
- input_report_abs(&pc110pad_dev, ABS_Y,
+ input_report_abs(pc110pad_dev, ABS_Y,
pc110pad_data[2] | ((pc110pad_data[0] << 4) & 0x80));
- input_sync(&pc110pad_dev);
+ input_sync(pc110pad_dev);
pc110pad_count = 0;
return IRQ_HANDLED;
@@ -94,9 +91,9 @@
static int pc110pad_open(struct input_dev *dev)
{
- pc110pad_interrupt(0,NULL,NULL);
- pc110pad_interrupt(0,NULL,NULL);
- pc110pad_interrupt(0,NULL,NULL);
+ pc110pad_interrupt(0, NULL, NULL);
+ pc110pad_interrupt(0, NULL, NULL);
+ pc110pad_interrupt(0, NULL, NULL);
outb(PC110PAD_ON, pc110pad_io + 2);
pc110pad_count = 0;
@@ -127,45 +124,46 @@
outb(PC110PAD_OFF, pc110pad_io + 2);
- if (request_irq(pc110pad_irq, pc110pad_interrupt, 0, "pc110pad", NULL))
- {
+ if (request_irq(pc110pad_irq, pc110pad_interrupt, 0, "pc110pad", NULL)) {
release_region(pc110pad_io, 4);
printk(KERN_ERR "pc110pad: Unable to get irq %d.\n", pc110pad_irq);
return -EBUSY;
}
- pc110pad_dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
- pc110pad_dev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
- pc110pad_dev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+ if (!(pc110pad_dev = input_allocate_device())) {
+ free_irq(pc110pad_irq, NULL);
+ release_region(pc110pad_io, 4);
+ printk(KERN_ERR "pc110pad: Not enough memory.\n");
+ return -ENOMEM;
+ }
- pc110pad_dev.absmax[ABS_X] = 0x1ff;
- pc110pad_dev.absmax[ABS_Y] = 0x0ff;
+ pc110pad_dev->name = "IBM PC110 TouchPad";
+ pc110pad_dev->phys = "isa15e0/input0";
+ pc110pad_dev->id.bustype = BUS_ISA;
+ pc110pad_dev->id.vendor = 0x0003;
+ pc110pad_dev->id.product = 0x0001;
+ pc110pad_dev->id.version = 0x0100;
- pc110pad_dev.open = pc110pad_open;
- pc110pad_dev.close = pc110pad_close;
+ pc110pad_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ pc110pad_dev->absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
+ pc110pad_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
- pc110pad_dev.name = pc110pad_name;
- pc110pad_dev.phys = pc110pad_phys;
- pc110pad_dev.id.bustype = BUS_ISA;
- pc110pad_dev.id.vendor = 0x0003;
- pc110pad_dev.id.product = 0x0001;
- pc110pad_dev.id.version = 0x0100;
+ pc110pad_dev->absmax[ABS_X] = 0x1ff;
+ pc110pad_dev->absmax[ABS_Y] = 0x0ff;
- input_register_device(&pc110pad_dev);
+ pc110pad_dev->open = pc110pad_open;
+ pc110pad_dev->close = pc110pad_close;
- printk(KERN_INFO "input: %s at %#x irq %d\n",
- pc110pad_name, pc110pad_io, pc110pad_irq);
+ input_register_device(pc110pad_dev);
return 0;
}
static void __exit pc110pad_exit(void)
{
- input_unregister_device(&pc110pad_dev);
-
outb(PC110PAD_OFF, pc110pad_io + 2);
-
free_irq(pc110pad_irq, NULL);
+ input_unregister_device(pc110pad_dev);
release_region(pc110pad_io, 4);
}