7 files changed, 433 insertions, 25 deletions

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 1730d7331a5d..46e9ce195064 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -132,6 +132,11 @@ static void input_start_autorepeat(struct input_dev *dev, int code)
         }
 }
 
+static void input_stop_autorepeat(struct input_dev *dev)
+{
+        del_timer(&dev->timer);
+}
+
 #define INPUT_IGNORE_EVENT      0
 #define INPUT_PASS_TO_HANDLERS  1
 #define INPUT_PASS_TO_DEVICE    2
@@ -167,6 +172,8 @@ static void input_handle_event(struct input_dev *dev,
                                 __change_bit(code, dev->key);
                                 if (value)
                                         input_start_autorepeat(dev, code);
+                                else
+                                        input_stop_autorepeat(dev);
                         }
 
                         disposition = INPUT_PASS_TO_HANDLERS;
diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c
index 3c9988dc0e9f..922c05141585 100644
--- a/drivers/input/misc/ati_remote2.c
+++ b/drivers/input/misc/ati_remote2.c
@@ -31,12 +31,73 @@ MODULE_LICENSE("GPL");
  * newly configured "channel".
  */
 
-static unsigned int channel_mask = 0xFFFF;
-module_param(channel_mask, uint, 0644);
+enum {
+        ATI_REMOTE2_MAX_CHANNEL_MASK = 0xFFFF,
+        ATI_REMOTE2_MAX_MODE_MASK = 0x1F,
+};
+
+static int ati_remote2_set_mask(const char *val,
+                                struct kernel_param *kp, unsigned int max)
+{
+        unsigned long mask;
+        int ret;
+
+        if (!val)
+                return -EINVAL;
+
+        ret = strict_strtoul(val, 0, &mask);
+        if (ret)
+                return ret;
+
+        if (mask & ~max)
+                return -EINVAL;
+
+        *(unsigned int *)kp->arg = mask;
+
+        return 0;
+}
+
+static int ati_remote2_set_channel_mask(const char *val,
+                                        struct kernel_param *kp)
+{
+        pr_debug("%s()\n", __func__);
+
+        return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_CHANNEL_MASK);
+}
+
+static int ati_remote2_get_channel_mask(char *buffer, struct kernel_param *kp)
+{
+        pr_debug("%s()\n", __func__);
+
+        return sprintf(buffer, "0x%04x", *(unsigned int *)kp->arg);
+}
+
+static int ati_remote2_set_mode_mask(const char *val, struct kernel_param *kp)
+{
+        pr_debug("%s()\n", __func__);
+
+        return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_MODE_MASK);
+}
+
+static int ati_remote2_get_mode_mask(char *buffer, struct kernel_param *kp)
+{
+        pr_debug("%s()\n", __func__);
+
+        return sprintf(buffer, "0x%02x", *(unsigned int *)kp->arg);
+}
+
+static unsigned int channel_mask = ATI_REMOTE2_MAX_CHANNEL_MASK;
+#define param_check_channel_mask(name, p) __param_check(name, p, unsigned int)
+#define param_set_channel_mask ati_remote2_set_channel_mask
+#define param_get_channel_mask ati_remote2_get_channel_mask
+module_param(channel_mask, channel_mask, 0644);
 MODULE_PARM_DESC(channel_mask, "Bitmask of channels to accept <15:Channel16>...<1:Channel2><0:Channel1>");
 
-static unsigned int mode_mask = 0x1F;
-module_param(mode_mask, uint, 0644);
+static unsigned int mode_mask = ATI_REMOTE2_MAX_MODE_MASK;
+#define param_check_mode_mask(name, p) __param_check(name, p, unsigned int)
+#define param_set_mode_mask ati_remote2_set_mode_mask
+#define param_get_mode_mask ati_remote2_get_mode_mask
+module_param(mode_mask, mode_mask, 0644);
 MODULE_PARM_DESC(mode_mask, "Bitmask of modes to accept <4:PC><3:AUX4><2:AUX3><1:AUX2><0:AUX1>");
 
 static struct usb_device_id ati_remote2_id_table[] = {
@@ -133,12 +194,18 @@ struct ati_remote2 {
         u16 keycode[ATI_REMOTE2_MODES][ARRAY_SIZE(ati_remote2_key_table)];
 
         unsigned int flags;
+
+        unsigned int channel_mask;
+        unsigned int mode_mask;
 };
 
 static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id);
 static void ati_remote2_disconnect(struct usb_interface *interface);
 static int ati_remote2_suspend(struct usb_interface *interface, pm_message_t message);
 static int ati_remote2_resume(struct usb_interface *interface);
+static int ati_remote2_reset_resume(struct usb_interface *interface);
+static int ati_remote2_pre_reset(struct usb_interface *interface);
+static int ati_remote2_post_reset(struct usb_interface *interface);
 
 static struct usb_driver ati_remote2_driver = {
         .name       = "ati_remote2",
@@ -147,6 +214,9 @@ static struct usb_driver ati_remote2_driver = {
         .id_table   = ati_remote2_id_table,
         .suspend    = ati_remote2_suspend,
         .resume     = ati_remote2_resume,
+        .reset_resume = ati_remote2_reset_resume,
+        .pre_reset  = ati_remote2_pre_reset,
+        .post_reset = ati_remote2_post_reset,
         .supports_autosuspend = 1,
 };
 
@@ -238,7 +308,7 @@ static void ati_remote2_input_mouse(struct ati_remote2 *ar2)
 
         channel = data[0] >> 4;
 
-        if (!((1 << channel) & channel_mask))
+        if (!((1 << channel) & ar2->channel_mask))
                 return;
 
         mode = data[0] & 0x0F;
@@ -250,7 +320,7 @@ static void ati_remote2_input_mouse(struct ati_remote2 *ar2)
                 return;
         }
 
-        if (!((1 << mode) & mode_mask))
+        if (!((1 << mode) & ar2->mode_mask))
                 return;
 
         input_event(idev, EV_REL, REL_X, (s8) data[1]);
@@ -277,7 +347,7 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2)
 
         channel = data[0] >> 4;
 
-        if (!((1 << channel) & channel_mask))
+        if (!((1 << channel) & ar2->channel_mask))
                 return;
 
         mode = data[0] & 0x0F;
@@ -305,7 +375,7 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2)
                         ar2->mode = mode;
         }
 
-        if (!((1 << mode) & mode_mask))
+        if (!((1 << mode) & ar2->mode_mask))
                 return;
 
         index = ati_remote2_lookup(hw_code);
@@ -410,7 +480,7 @@ static int ati_remote2_getkeycode(struct input_dev *idev,
         int index, mode;
 
         mode = scancode >> 8;
-        if (mode > ATI_REMOTE2_PC || !((1 << mode) & mode_mask))
+        if (mode > ATI_REMOTE2_PC || !((1 << mode) & ar2->mode_mask))
                 return -EINVAL;
 
         index = ati_remote2_lookup(scancode & 0xFF);
@@ -427,7 +497,7 @@ static int ati_remote2_setkeycode(struct input_dev *idev, int scancode, int keyc
         int index, mode, old_keycode;
 
         mode = scancode >> 8;
-        if (mode > ATI_REMOTE2_PC || !((1 << mode) & mode_mask))
+        if (mode > ATI_REMOTE2_PC || !((1 << mode) & ar2->mode_mask))
                 return -EINVAL;
 
         index = ati_remote2_lookup(scancode & 0xFF);
@@ -550,7 +620,7 @@ static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2)
         }
 }
 
-static int ati_remote2_setup(struct ati_remote2 *ar2)
+static int ati_remote2_setup(struct ati_remote2 *ar2, unsigned int ch_mask)
 {
         int r, i, channel;
 
@@ -565,8 +635,8 @@ static int ati_remote2_setup(struct ati_remote2 *ar2)
 
         channel = 0;
         for (i = 0; i < 16; i++) {
-                if ((1 << i) & channel_mask) {
-                        if (!(~(1 << i) & 0xFFFF & channel_mask))
+                if ((1 << i) & ch_mask) {
+                        if (!(~(1 << i) & ch_mask))
                                 channel = i + 1;
                         break;
                 }
@@ -585,6 +655,99 @@ static int ati_remote2_setup(struct ati_remote2 *ar2)
         return 0;
 }
 
+static ssize_t ati_remote2_show_channel_mask(struct device *dev,
+                                             struct device_attribute *attr,
+                                             char *buf)
+{
+        struct usb_device *udev = to_usb_device(dev);
+        struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
+        struct ati_remote2 *ar2 = usb_get_intfdata(intf);
+
+        return sprintf(buf, "0x%04x\n", ar2->channel_mask);
+}
+
+static ssize_t ati_remote2_store_channel_mask(struct device *dev,
+                                              struct device_attribute *attr,
+                                              const char *buf, size_t count)
+{
+        struct usb_device *udev = to_usb_device(dev);
+        struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
+        struct ati_remote2 *ar2 = usb_get_intfdata(intf);
+        unsigned long mask;
+        int r;
+
+        if (strict_strtoul(buf, 0, &mask))
+                return -EINVAL;
+
+        if (mask & ~ATI_REMOTE2_MAX_CHANNEL_MASK)
+                return -EINVAL;
+
+        r = usb_autopm_get_interface(ar2->intf[0]);
+        if (r) {
+                dev_err(&ar2->intf[0]->dev,
+                        "%s(): usb_autopm_get_interface() = %d\n", __func__, r);
+                return r;
+        }
+
+        mutex_lock(&ati_remote2_mutex);
+
+        if (mask != ar2->channel_mask && !ati_remote2_setup(ar2, mask))
+                ar2->channel_mask = mask;
+
+        mutex_unlock(&ati_remote2_mutex);
+
+        usb_autopm_put_interface(ar2->intf[0]);
+
+        return count;
+}
+
+static ssize_t ati_remote2_show_mode_mask(struct device *dev,
+                                          struct device_attribute *attr,
+                                          char *buf)
+{
+        struct usb_device *udev = to_usb_device(dev);
+        struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
+        struct ati_remote2 *ar2 = usb_get_intfdata(intf);
+
+        return sprintf(buf, "0x%02x\n", ar2->mode_mask);
+}
+
+static ssize_t ati_remote2_store_mode_mask(struct device *dev,
+                                           struct device_attribute *attr,
+                                           const char *buf, size_t count)
+{
+        struct usb_device *udev = to_usb_device(dev);
+        struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
+        struct ati_remote2 *ar2 = usb_get_intfdata(intf);
+        unsigned long mask;
+
+        if (strict_strtoul(buf, 0, &mask))
+                return -EINVAL;
+
+        if (mask & ~ATI_REMOTE2_MAX_MODE_MASK)
+                return -EINVAL;
+
+        ar2->mode_mask = mask;
+
+        return count;
+}
+
+static DEVICE_ATTR(channel_mask, 0644, ati_remote2_show_channel_mask,
+                   ati_remote2_store_channel_mask);
+
+static DEVICE_ATTR(mode_mask, 0644, ati_remote2_show_mode_mask,
+                   ati_remote2_store_mode_mask);
+
+static struct attribute *ati_remote2_attrs[] = {
+        &dev_attr_channel_mask.attr,
+        &dev_attr_mode_mask.attr,
+        NULL,
+};
+
+static struct attribute_group ati_remote2_attr_group = {
+        .attrs = ati_remote2_attrs,
+};
+
 static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id)
 {
         struct usb_device *udev = interface_to_usbdev(interface);
@@ -615,7 +778,10 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d
         if (r)
                 goto fail2;
 
-        r = ati_remote2_setup(ar2);
+        ar2->channel_mask = channel_mask;
+        ar2->mode_mask = mode_mask;
+
+        r = ati_remote2_setup(ar2, ar2->channel_mask);
         if (r)
                 goto fail2;
 
@@ -624,19 +790,24 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d
 
         strlcat(ar2->name, "ATI Remote Wonder II", sizeof(ar2->name));
 
-        r = ati_remote2_input_init(ar2);
+        r = sysfs_create_group(&udev->dev.kobj, &ati_remote2_attr_group);
         if (r)
                 goto fail2;
 
+        r = ati_remote2_input_init(ar2);
+        if (r)
+                goto fail3;
+
         usb_set_intfdata(interface, ar2);
 
         interface->needs_remote_wakeup = 1;
 
         return 0;
 
+ fail3:
+        sysfs_remove_group(&udev->dev.kobj, &ati_remote2_attr_group);
  fail2:
         ati_remote2_urb_cleanup(ar2);
-
         usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]);
  fail1:
         kfree(ar2);
@@ -657,6 +828,8 @@ static void ati_remote2_disconnect(struct usb_interface *interface)
 
         input_unregister_device(ar2->idev);
 
+        sysfs_remove_group(&ar2->udev->dev.kobj, &ati_remote2_attr_group);
+
         ati_remote2_urb_cleanup(ar2);
 
         usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]);
@@ -715,6 +888,78 @@ static int ati_remote2_resume(struct usb_interface *interface)
         return r;
 }
 
+static int ati_remote2_reset_resume(struct usb_interface *interface)
+{
+        struct ati_remote2 *ar2;
+        struct usb_host_interface *alt = interface->cur_altsetting;
+        int r = 0;
+
+        if (alt->desc.bInterfaceNumber)
+                return 0;
+
+        ar2 = usb_get_intfdata(interface);
+
+        dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+        mutex_lock(&ati_remote2_mutex);
+
+        r = ati_remote2_setup(ar2, ar2->channel_mask);
+        if (r)
+                goto out;
+
+        if (ar2->flags & ATI_REMOTE2_OPENED)
+                r = ati_remote2_submit_urbs(ar2);
+
+        if (!r)
+                ar2->flags &= ~ATI_REMOTE2_SUSPENDED;
+
+ out:
+        mutex_unlock(&ati_remote2_mutex);
+
+        return r;
+}
+
+static int ati_remote2_pre_reset(struct usb_interface *interface)
+{
+        struct ati_remote2 *ar2;
+        struct usb_host_interface *alt = interface->cur_altsetting;
+
+        if (alt->desc.bInterfaceNumber)
+                return 0;
+
+        ar2 = usb_get_intfdata(interface);
+
+        dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+        mutex_lock(&ati_remote2_mutex);
+
+        if (ar2->flags == ATI_REMOTE2_OPENED)
+                ati_remote2_kill_urbs(ar2);
+
+        return 0;
+}
+
+static int ati_remote2_post_reset(struct usb_interface *interface)
+{
+        struct ati_remote2 *ar2;
+        struct usb_host_interface *alt = interface->cur_altsetting;
+        int r = 0;
+
+        if (alt->desc.bInterfaceNumber)
+                return 0;
+
+        ar2 = usb_get_intfdata(interface);
+
+        dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+        if (ar2->flags == ATI_REMOTE2_OPENED)
+                r = ati_remote2_submit_urbs(ar2);
+
+        mutex_unlock(&ati_remote2_mutex);
+
+        return r;
+}
+
 static int __init ati_remote2_init(void)
 {
         int r;
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index 9705f3a00a3d..2a92e19c1509 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -292,4 +292,15 @@ config MOUSE_PXA930_TRKBALL
         help
           Say Y here to support PXA930 Trackball mouse.
 
+config MOUSE_MAPLE
+        tristate "Maple mouse (for the Dreamcast)"
+        depends on MAPLE
+        help
+          This driver supports the Maple mouse on the SEGA Dreamcast.
+
+          Most Dreamcast users, who have a mouse, will say Y here.
+
+          To compile this driver as a module choose M here: the module will be
+          called maplemouse.
+
 endif
diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile
index 8c8a1f236e28..472189468d67 100644
--- a/drivers/input/mouse/Makefile
+++ b/drivers/input/mouse/Makefile
@@ -6,18 +6,19 @@
 
 obj-$(CONFIG_MOUSE_AMIGA)               += amimouse.o
 obj-$(CONFIG_MOUSE_APPLETOUCH)          += appletouch.o
-obj-$(CONFIG_MOUSE_BCM5974)             += bcm5974.o
 obj-$(CONFIG_MOUSE_ATARI)               += atarimouse.o
-obj-$(CONFIG_MOUSE_RISCPC)              += rpcmouse.o
+obj-$(CONFIG_MOUSE_BCM5974)             += bcm5974.o
+obj-$(CONFIG_MOUSE_GPIO)                += gpio_mouse.o
+obj-$(CONFIG_MOUSE_HIL)                 += hil_ptr.o
 obj-$(CONFIG_MOUSE_INPORT)              += inport.o
 obj-$(CONFIG_MOUSE_LOGIBM)              += logibm.o
+obj-$(CONFIG_MOUSE_MAPLE)               += maplemouse.o
 obj-$(CONFIG_MOUSE_PC110PAD)            += pc110pad.o
 obj-$(CONFIG_MOUSE_PS2)                 += psmouse.o
 obj-$(CONFIG_MOUSE_PXA930_TRKBALL)      += pxa930_trkball.o
+obj-$(CONFIG_MOUSE_RISCPC)              += rpcmouse.o
 obj-$(CONFIG_MOUSE_SERIAL)              += sermouse.o
-obj-$(CONFIG_MOUSE_HIL)                 += hil_ptr.o
 obj-$(CONFIG_MOUSE_VSXXXAA)             += vsxxxaa.o
-obj-$(CONFIG_MOUSE_GPIO)                += gpio_mouse.o
 
 psmouse-objs := psmouse-base.o synaptics.o
 
diff --git a/drivers/input/mouse/hgpk.c b/drivers/input/mouse/hgpk.c
index 81e6ebf323e9..a14a6b0f7af0 100644
--- a/drivers/input/mouse/hgpk.c
+++ b/drivers/input/mouse/hgpk.c
@@ -472,7 +472,7 @@ static enum hgpk_model_t hgpk_get_model(struct psmouse *psmouse)
                 return -EIO;
         }
 
-        hgpk_dbg(psmouse, "ID: %02x %02x %02x", param[0], param[1], param[2]);
+        hgpk_dbg(psmouse, "ID: %02x %02x %02x\n", param[0], param[1], param[2]);
 
         /* HGPK signature: 0x67, 0x00, 0x<model> */
         if (param[0] != 0x67 || param[1] != 0x00)
diff --git a/drivers/input/mouse/maplemouse.c b/drivers/input/mouse/maplemouse.c
new file mode 100644
index 000000000000..d196abfb68bc
--- /dev/null
+++ b/drivers/input/mouse/maplemouse.c
@@ -0,0 +1,147 @@
+/*
+ *      SEGA Dreamcast mouse driver
+ *      Based on drivers/usb/usbmouse.c
+ *
+ *      Copyright Yaegashi Takeshi, 2001
+ *      Adrian McMenamin, 2008
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/timer.h>
+#include <linux/maple.h>
+
+MODULE_AUTHOR("Adrian McMenamin <adrian@mcmen.demon.co.uk>");
+MODULE_DESCRIPTION("SEGA Dreamcast mouse driver");
+MODULE_LICENSE("GPL");
+
+struct dc_mouse {
+        struct input_dev *dev;
+        struct maple_device *mdev;
+};
+
+static void dc_mouse_callback(struct mapleq *mq)
+{
+        int buttons, relx, rely, relz;
+        struct maple_device *mapledev = mq->dev;
+        struct dc_mouse *mse = maple_get_drvdata(mapledev);
+        struct input_dev *dev = mse->dev;
+        unsigned char *res = mq->recvbuf;
+
+        buttons = ~res[8];
+        relx = *(unsigned short *)(res + 12) - 512;
+        rely = *(unsigned short *)(res + 14) - 512;
+        relz = *(unsigned short *)(res + 16) - 512;
+
+        input_report_key(dev, BTN_LEFT,   buttons & 4);
+        input_report_key(dev, BTN_MIDDLE, buttons & 9);
+        input_report_key(dev, BTN_RIGHT,  buttons & 2);
+        input_report_rel(dev, REL_X,      relx);
+        input_report_rel(dev, REL_Y,      rely);
+        input_report_rel(dev, REL_WHEEL,  relz);
+        input_sync(dev);
+}
+
+static int dc_mouse_open(struct input_dev *dev)
+{
+        struct dc_mouse *mse = dev->dev.platform_data;
+
+        maple_getcond_callback(mse->mdev, dc_mouse_callback, HZ/50,
+                MAPLE_FUNC_MOUSE);
+
+        return 0;
+}
+
+static void dc_mouse_close(struct input_dev *dev)
+{
+        struct dc_mouse *mse = dev->dev.platform_data;
+
+        maple_getcond_callback(mse->mdev, dc_mouse_callback, 0,
+                MAPLE_FUNC_MOUSE);
+}
+
+
+static int __devinit probe_maple_mouse(struct device *dev)
+{
+        struct maple_device *mdev = to_maple_dev(dev);
+        struct maple_driver *mdrv = to_maple_driver(dev->driver);
+        struct input_dev *input_dev;
+        struct dc_mouse *mse;
+        int error;
+
+        mse = kzalloc(sizeof(struct dc_mouse), GFP_KERNEL);
+        input_dev = input_allocate_device();
+
+        if (!mse || !input_dev) {
+                error = -ENOMEM;
+                goto fail;
+        }
+
+        mse->dev = input_dev;
+        mse->mdev = mdev;
+
+        input_set_drvdata(input_dev, mse);
+        input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
+        input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
+                BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE);
+        input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y) |
+                BIT_MASK(REL_WHEEL);
+        input_dev->name = mdev->product_name;
+        input_dev->id.bustype = BUS_HOST;
+        input_dev->open = dc_mouse_open;
+        input_dev->close = dc_mouse_close;
+
+        mdev->driver = mdrv;
+        maple_set_drvdata(mdev, mse);
+
+        error = input_register_device(input_dev);
+        if (error)
+                goto fail;
+
+        return 0;
+
+fail:
+        input_free_device(input_dev);
+        maple_set_drvdata(mdev, NULL);
+        kfree(mse);
+        mdev->driver = NULL;
+        return error;
+}
+
+static int __devexit remove_maple_mouse(struct device *dev)
+{
+        struct maple_device *mdev = to_maple_dev(dev);
+        struct dc_mouse *mse = maple_get_drvdata(mdev);
+
+        mdev->callback = NULL;
+        input_unregister_device(mse->dev);
+        maple_set_drvdata(mdev, NULL);
+        kfree(mse);
+
+        return 0;
+}
+
+static struct maple_driver dc_mouse_driver = {
+        .function =     MAPLE_FUNC_MOUSE,
+        .drv = {
+                .name = "Dreamcast_mouse",
+                .probe = probe_maple_mouse,
+                .remove = __devexit_p(remove_maple_mouse),
+        },
+};
+
+static int __init dc_mouse_init(void)
+{
+        return maple_driver_register(&dc_mouse_driver);
+}
+
+static void __exit dc_mouse_exit(void)
+{
+        maple_driver_unregister(&dc_mouse_driver);
+}
+
+module_init(dc_mouse_init);
+module_exit(dc_mouse_exit);
diff --git a/drivers/input/mouse/pc110pad.c b/drivers/input/mouse/pc110pad.c
index fd09c8df81f2..f63995f854ff 100644
--- a/drivers/input/mouse/pc110pad.c
+++ b/drivers/input/mouse/pc110pad.c
@@ -111,11 +111,8 @@ static int __init pc110pad_init(void)
         struct pci_dev *dev;
         int err;
 
-        dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);
-        if (dev) {
-                pci_dev_put(dev);
+        if (!no_pci_devices())
                 return -ENODEV;
-        }
 
         if (!request_region(pc110pad_io, 4, "pc110pad")) {
                 printk(KERN_ERR "pc110pad: I/O area %#x-%#x in use.\n",