[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/logibm.c b/drivers/input/mouse/logibm.c
index 8b52431..9c7ce38 100644
--- a/drivers/input/mouse/logibm.c
+++ b/drivers/input/mouse/logibm.c
@@ -77,39 +77,7 @@
__obsolete_setup("logibm_irq=");
-static irqreturn_t logibm_interrupt(int irq, void *dev_id, struct pt_regs *regs);
-
-static int logibm_open(struct input_dev *dev)
-{
- if (request_irq(logibm_irq, logibm_interrupt, 0, "logibm", NULL)) {
- printk(KERN_ERR "logibm.c: Can't allocate irq %d\n", logibm_irq);
- return -EBUSY;
- }
- outb(LOGIBM_ENABLE_IRQ, LOGIBM_CONTROL_PORT);
- return 0;
-}
-
-static void logibm_close(struct input_dev *dev)
-{
- outb(LOGIBM_DISABLE_IRQ, LOGIBM_CONTROL_PORT);
- free_irq(logibm_irq, NULL);
-}
-
-static struct input_dev logibm_dev = {
- .evbit = { BIT(EV_KEY) | BIT(EV_REL) },
- .keybit = { [LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT) },
- .relbit = { BIT(REL_X) | BIT(REL_Y) },
- .open = logibm_open,
- .close = logibm_close,
- .name = "Logitech bus mouse",
- .phys = "isa023c/input0",
- .id = {
- .bustype = BUS_ISA,
- .vendor = 0x0003,
- .product = 0x0001,
- .version = 0x0100,
- },
-};
+static struct input_dev *logibm_dev;
static irqreturn_t logibm_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
@@ -127,18 +95,34 @@
dy |= (buttons & 0xf) << 4;
buttons = ~buttons >> 5;
- input_regs(&logibm_dev, regs);
- input_report_rel(&logibm_dev, REL_X, dx);
- input_report_rel(&logibm_dev, REL_Y, dy);
- input_report_key(&logibm_dev, BTN_RIGHT, buttons & 1);
- input_report_key(&logibm_dev, BTN_MIDDLE, buttons & 2);
- input_report_key(&logibm_dev, BTN_LEFT, buttons & 4);
- input_sync(&logibm_dev);
+ input_regs(logibm_dev, regs);
+ input_report_rel(logibm_dev, REL_X, dx);
+ input_report_rel(logibm_dev, REL_Y, dy);
+ input_report_key(logibm_dev, BTN_RIGHT, buttons & 1);
+ input_report_key(logibm_dev, BTN_MIDDLE, buttons & 2);
+ input_report_key(logibm_dev, BTN_LEFT, buttons & 4);
+ input_sync(logibm_dev);
outb(LOGIBM_ENABLE_IRQ, LOGIBM_CONTROL_PORT);
return IRQ_HANDLED;
}
+static int logibm_open(struct input_dev *dev)
+{
+ if (request_irq(logibm_irq, logibm_interrupt, 0, "logibm", NULL)) {
+ printk(KERN_ERR "logibm.c: Can't allocate irq %d\n", logibm_irq);
+ return -EBUSY;
+ }
+ outb(LOGIBM_ENABLE_IRQ, LOGIBM_CONTROL_PORT);
+ return 0;
+}
+
+static void logibm_close(struct input_dev *dev)
+{
+ outb(LOGIBM_DISABLE_IRQ, LOGIBM_CONTROL_PORT);
+ free_irq(logibm_irq, NULL);
+}
+
static int __init logibm_init(void)
{
if (!request_region(LOGIBM_BASE, LOGIBM_EXTENT, "logibm")) {
@@ -159,16 +143,34 @@
outb(LOGIBM_DEFAULT_MODE, LOGIBM_CONFIG_PORT);
outb(LOGIBM_DISABLE_IRQ, LOGIBM_CONTROL_PORT);
- input_register_device(&logibm_dev);
+ if (!(logibm_dev = input_allocate_device())) {
+ printk(KERN_ERR "logibm.c: Not enough memory for input device\n");
+ release_region(LOGIBM_BASE, LOGIBM_EXTENT);
+ return -ENOMEM;
+ }
- printk(KERN_INFO "input: Logitech bus mouse at %#x irq %d\n", LOGIBM_BASE, logibm_irq);
+ logibm_dev->name = "Logitech bus mouse";
+ logibm_dev->phys = "isa023c/input0";
+ logibm_dev->id.bustype = BUS_ISA;
+ logibm_dev->id.vendor = 0x0003;
+ logibm_dev->id.product = 0x0001;
+ logibm_dev->id.version = 0x0100;
+
+ logibm_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
+ logibm_dev->keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
+ logibm_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y);
+
+ logibm_dev->open = logibm_open;
+ logibm_dev->close = logibm_close;
+
+ input_register_device(logibm_dev);
return 0;
}
static void __exit logibm_exit(void)
{
- input_unregister_device(&logibm_dev);
+ input_unregister_device(logibm_dev);
release_region(LOGIBM_BASE, LOGIBM_EXTENT);
}