5 files changed, 91 insertions, 131 deletions

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index e47f88170806..700a1657554f 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -158,6 +158,7 @@ config SENSORS_K8TEMP
 config SENSORS_AMS
         tristate "Apple Motion Sensor driver"
         depends on PPC_PMAC && !PPC64 && INPUT && ((ADB_PMU && I2C = y) || (ADB_PMU && !I2C) || I2C) && EXPERIMENTAL
+        select INPUT_POLLDEV
         help
           Support for the motion sensor included in PowerBooks. Includes
           implementations for PMU and I2C.
@@ -701,6 +702,7 @@ config SENSORS_W83627EHF
 config SENSORS_HDAPS
         tristate "IBM Hard Drive Active Protection System (hdaps)"
         depends on INPUT && X86
+        select INPUT_POLLDEV
         default n
         help
           This driver provides support for the IBM Hard Drive Active Protection
@@ -722,6 +724,7 @@ config SENSORS_APPLESMC
         depends on INPUT && X86
         select NEW_LEDS
         select LEDS_CLASS
+        select INPUT_POLLDEV
         default n
         help
           This driver provides support for the Apple System Management
diff --git a/drivers/hwmon/ams/ams-input.c b/drivers/hwmon/ams/ams-input.c
index ca7095d96ad0..7b81e0c2c2d9 100644
--- a/drivers/hwmon/ams/ams-input.c
+++ b/drivers/hwmon/ams/ams-input.c
@@ -27,47 +27,32 @@ static unsigned int invert;
 module_param(invert, bool, 0644);
 MODULE_PARM_DESC(invert, "Invert input data on X and Y axis");
 
-static int ams_input_kthread(void *data)
+static void ams_idev_poll(struct input_polled_dev *dev)
 {
+        struct input_dev *idev = dev->input;
         s8 x, y, z;
 
-        while (!kthread_should_stop()) {
-                mutex_lock(&ams_info.lock);
-
-                ams_sensors(&x, &y, &z);
-
-                x -= ams_info.xcalib;
-                y -= ams_info.ycalib;
-                z -= ams_info.zcalib;
-
-                input_report_abs(ams_info.idev, ABS_X, invert ? -x : x);
-                input_report_abs(ams_info.idev, ABS_Y, invert ? -y : y);
-                input_report_abs(ams_info.idev, ABS_Z, z);
+        mutex_lock(&ams_info.lock);
 
-                input_sync(ams_info.idev);
+        ams_sensors(&x, &y, &z);
 
-                mutex_unlock(&ams_info.lock);
+        x -= ams_info.xcalib;
+        y -= ams_info.ycalib;
+        z -= ams_info.zcalib;
 
-                msleep(25);
-        }
+        input_report_abs(idev, ABS_X, invert ? -x : x);
+        input_report_abs(idev, ABS_Y, invert ? -y : y);
+        input_report_abs(idev, ABS_Z, z);
 
-        return 0;
-}
+        input_sync(idev);
 
-static int ams_input_open(struct input_dev *dev)
-{
-        ams_info.kthread = kthread_run(ams_input_kthread, NULL, "kams");
-        return IS_ERR(ams_info.kthread) ? PTR_ERR(ams_info.kthread) : 0;
-}
-
-static void ams_input_close(struct input_dev *dev)
-{
-        kthread_stop(ams_info.kthread);
+        mutex_unlock(&ams_info.lock);
 }
 
 /* Call with ams_info.lock held! */
 static void ams_input_enable(void)
 {
+        struct input_dev *input;
         s8 x, y, z;
 
         if (ams_info.idev)
@@ -78,27 +63,29 @@ static void ams_input_enable(void)
         ams_info.ycalib = y;
         ams_info.zcalib = z;
 
-        ams_info.idev = input_allocate_device();
+        ams_info.idev = input_allocate_polled_device();
         if (!ams_info.idev)
                 return;
 
-        ams_info.idev->name = "Apple Motion Sensor";
-        ams_info.idev->id.bustype = ams_info.bustype;
-        ams_info.idev->id.vendor = 0;
-        ams_info.idev->open = ams_input_open;
-        ams_info.idev->close = ams_input_close;
-        ams_info.idev->dev.parent = &ams_info.of_dev->dev;
+        ams_info.idev->poll = ams_idev_poll;
+        ams_info.idev->poll_interval = 25;
+
+        input = ams_info.idev->input;
+        input->name = "Apple Motion Sensor";
+        input->id.bustype = ams_info.bustype;
+        input->id.vendor = 0;
+        input->dev.parent = &ams_info.of_dev->dev;
 
-        input_set_abs_params(ams_info.idev, ABS_X, -50, 50, 3, 0);
-        input_set_abs_params(ams_info.idev, ABS_Y, -50, 50, 3, 0);
-        input_set_abs_params(ams_info.idev, ABS_Z, -50, 50, 3, 0);
+        input_set_abs_params(input, ABS_X, -50, 50, 3, 0);
+        input_set_abs_params(input, ABS_Y, -50, 50, 3, 0);
+        input_set_abs_params(input, ABS_Z, -50, 50, 3, 0);
 
-        set_bit(EV_ABS, ams_info.idev->evbit);
-        set_bit(EV_KEY, ams_info.idev->evbit);
-        set_bit(BTN_TOUCH, ams_info.idev->keybit);
+        set_bit(EV_ABS, input->evbit);
+        set_bit(EV_KEY, input->evbit);
+        set_bit(BTN_TOUCH, input->keybit);
 
-        if (input_register_device(ams_info.idev)) {
-                input_free_device(ams_info.idev);
+        if (input_register_polled_device(ams_info.idev)) {
+                input_free_polled_device(ams_info.idev);
                 ams_info.idev = NULL;
                 return;
         }
@@ -108,7 +95,8 @@ static void ams_input_enable(void)
 static void ams_input_disable(void)
 {
         if (ams_info.idev) {
-                input_unregister_device(ams_info.idev);
+                input_unregister_polled_device(ams_info.idev);
+                input_free_polled_device(ams_info.idev);
                 ams_info.idev = NULL;
         }
 }
diff --git a/drivers/hwmon/ams/ams.h b/drivers/hwmon/ams/ams.h
index 240730e6bcde..a6221e5dd984 100644
--- a/drivers/hwmon/ams/ams.h
+++ b/drivers/hwmon/ams/ams.h
@@ -1,5 +1,5 @@
 #include <linux/i2c.h>
-#include <linux/input.h>
+#include <linux/input-polldev.h>
 #include <linux/kthread.h>
 #include <linux/mutex.h>
 #include <linux/spinlock.h>
@@ -52,8 +52,7 @@ struct ams {
 #endif
 
         /* Joystick emulation */
-        struct task_struct *kthread;
-        struct input_dev *idev;
+        struct input_polled_dev *idev;
         __u16 bustype;
 
         /* calibrated null values */
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index f37fd7ebf65a..4879125b4cdc 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -28,7 +28,7 @@
 
 #include <linux/delay.h>
 #include <linux/platform_device.h>
-#include <linux/input.h>
+#include <linux/input-polldev.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/timer.h>
@@ -59,9 +59,9 @@
 
 #define LIGHT_SENSOR_LEFT_KEY   "ALV0" /* r-o {alv (6 bytes) */
 #define LIGHT_SENSOR_RIGHT_KEY  "ALV1" /* r-o {alv (6 bytes) */
-#define BACKLIGHT_KEY           "LKSB" /* w-o {lkb (2 bytes) */
+#define BACKLIGHT_KEY           "LKSB" /* w-o {lkb (2 bytes) */
 
-#define CLAMSHELL_KEY           "MSLD" /* r-o ui8 (unused) */
+#define CLAMSHELL_KEY           "MSLD" /* r-o ui8 (unused) */
 
 #define MOTION_SENSOR_X_KEY     "MO_X" /* r-o sp78 (2 bytes) */
 #define MOTION_SENSOR_Y_KEY     "MO_Y" /* r-o sp78 (2 bytes) */
@@ -103,7 +103,7 @@ static const char* fan_speed_keys[] = {
 #define INIT_TIMEOUT_MSECS      5000    /* wait up to 5s for device init ... */
 #define INIT_WAIT_MSECS         50      /* ... in 50ms increments */
 
-#define APPLESMC_POLL_PERIOD    (HZ/20) /* poll for input every 1/20s */
+#define APPLESMC_POLL_INTERVAL  50      /* msecs */
 #define APPLESMC_INPUT_FUZZ     4       /* input event threshold */
 #define APPLESMC_INPUT_FLAT     4
 
@@ -125,9 +125,8 @@ static const int debug;
 static struct platform_device *pdev;
 static s16 rest_x;
 static s16 rest_y;
-static struct timer_list applesmc_timer;
-static struct input_dev *applesmc_idev;
 static struct device *hwmon_dev;
+static struct input_polled_dev *applesmc_idev;
 
 /* Indicates whether this computer has an accelerometer. */
 static unsigned int applesmc_accelerometer;
@@ -138,7 +137,7 @@ static unsigned int applesmc_light;
 /* Indicates which temperature sensors set to use. */
 static unsigned int applesmc_temperature_set;
 
-static struct mutex applesmc_lock;
+static DEFINE_MUTEX(applesmc_lock);
 
 /*
  * Last index written to key_at_index sysfs file, and value to use for all other
@@ -455,27 +454,12 @@ static void applesmc_calibrate(void)
         rest_x = -rest_x;
 }
 
-static int applesmc_idev_open(struct input_dev *dev)
-{
-        add_timer(&applesmc_timer);
-
-        return 0;
-}
-
-static void applesmc_idev_close(struct input_dev *dev)
-{
-        del_timer_sync(&applesmc_timer);
-}
-
-static void applesmc_idev_poll(unsigned long unused)
+static void applesmc_idev_poll(struct input_polled_dev *dev)
 {
+        struct input_dev *idev = dev->input;
         s16 x, y;
 
-        /* Cannot sleep.  Try nonblockingly.  If we fail, try again later. */
-        if (!mutex_trylock(&applesmc_lock)) {
-                mod_timer(&applesmc_timer, jiffies + APPLESMC_POLL_PERIOD);
-                return;
-        }
+        mutex_lock(&applesmc_lock);
 
         if (applesmc_read_motion_sensor(SENSOR_X, &x))
                 goto out;
@@ -483,13 +467,11 @@ static void applesmc_idev_poll(unsigned long unused)
                 goto out;
 
         x = -x;
-        input_report_abs(applesmc_idev, ABS_X, x - rest_x);
-        input_report_abs(applesmc_idev, ABS_Y, y - rest_y);
-        input_sync(applesmc_idev);
+        input_report_abs(idev, ABS_X, x - rest_x);
+        input_report_abs(idev, ABS_Y, y - rest_y);
+        input_sync(idev);
 
 out:
-        mod_timer(&applesmc_timer, jiffies + APPLESMC_POLL_PERIOD);
-
         mutex_unlock(&applesmc_lock);
 }
 
@@ -821,8 +803,7 @@ static ssize_t applesmc_key_at_index_read_show(struct device *dev,
 
         if (!ret) {
                 return info[0];
-        }
-        else {
+        } else {
                 return ret;
         }
 }
@@ -1093,6 +1074,7 @@ static int applesmc_dmi_match(const struct dmi_system_id *id)
 /* Create accelerometer ressources */
 static int applesmc_create_accelerometer(void)
 {
+        struct input_dev *idev;
         int ret;
 
         ret = sysfs_create_group(&pdev->dev.kobj,
@@ -1100,40 +1082,37 @@ static int applesmc_create_accelerometer(void)
         if (ret)
                 goto out;
 
-        applesmc_idev = input_allocate_device();
+        applesmc_idev = input_allocate_polled_device();
         if (!applesmc_idev) {
                 ret = -ENOMEM;
                 goto out_sysfs;
         }
 
+        applesmc_idev->poll = applesmc_idev_poll;
+        applesmc_idev->poll_interval = APPLESMC_POLL_INTERVAL;
+
         /* initial calibrate for the input device */
         applesmc_calibrate();
 
-        /* initialize the input class */
-        applesmc_idev->name = "applesmc";
-        applesmc_idev->id.bustype = BUS_HOST;
-        applesmc_idev->dev.parent = &pdev->dev;
-        applesmc_idev->evbit[0] = BIT(EV_ABS);
-        applesmc_idev->open = applesmc_idev_open;
-        applesmc_idev->close = applesmc_idev_close;
-        input_set_abs_params(applesmc_idev, ABS_X,
+        /* initialize the input device */
+        idev = applesmc_idev->input;
+        idev->name = "applesmc";
+        idev->id.bustype = BUS_HOST;
+        idev->dev.parent = &pdev->dev;
+        idev->evbit[0] = BIT(EV_ABS);
+        input_set_abs_params(idev, ABS_X,
                         -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT);
-        input_set_abs_params(applesmc_idev, ABS_Y,
+        input_set_abs_params(idev, ABS_Y,
                         -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT);
 
-        ret = input_register_device(applesmc_idev);
+        ret = input_register_polled_device(applesmc_idev);
         if (ret)
                 goto out_idev;
 
-        /* start up our timer for the input device */
-        init_timer(&applesmc_timer);
-        applesmc_timer.function = applesmc_idev_poll;
-        applesmc_timer.expires = jiffies + APPLESMC_POLL_PERIOD;
-
         return 0;
 
 out_idev:
-        input_free_device(applesmc_idev);
+        input_free_polled_device(applesmc_idev);
 
 out_sysfs:
         sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group);
@@ -1146,8 +1125,8 @@ out:
 /* Release all ressources used by the accelerometer */
 static void applesmc_release_accelerometer(void)
 {
-        del_timer_sync(&applesmc_timer);
-        input_unregister_device(applesmc_idev);
+        input_unregister_polled_device(applesmc_idev);
+        input_free_polled_device(applesmc_idev);
         sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group);
 }
 
@@ -1184,8 +1163,6 @@ static int __init applesmc_init(void)
         int count;
         int i;
 
-        mutex_init(&applesmc_lock);
-
         if (!dmi_check_system(applesmc_whitelist)) {
                 printk(KERN_WARNING "applesmc: supported laptop not found!\n");
                 ret = -ENODEV;
diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c
index a7c6d407572b..8a7ae03aeee4 100644
--- a/drivers/hwmon/hdaps.c
+++ b/drivers/hwmon/hdaps.c
@@ -28,7 +28,7 @@
 
 #include <linux/delay.h>
 #include <linux/platform_device.h>
-#include <linux/input.h>
+#include <linux/input-polldev.h>
 #include <linux/kernel.h>
 #include <linux/mutex.h>
 #include <linux/module.h>
@@ -61,13 +61,12 @@
 #define INIT_TIMEOUT_MSECS      4000    /* wait up to 4s for device init ... */
 #define INIT_WAIT_MSECS         200     /* ... in 200ms increments */
 
-#define HDAPS_POLL_PERIOD       (HZ/20) /* poll for input every 1/20s */
+#define HDAPS_POLL_INTERVAL     50      /* poll for input every 1/20s (50 ms)*/
 #define HDAPS_INPUT_FUZZ        4       /* input event threshold */
 #define HDAPS_INPUT_FLAT        4
 
-static struct timer_list hdaps_timer;
 static struct platform_device *pdev;
-static struct input_dev *hdaps_idev;
+static struct input_polled_dev *hdaps_idev;
 static unsigned int hdaps_invert;
 static u8 km_activity;
 static int rest_x;
@@ -323,24 +322,19 @@ static void hdaps_calibrate(void)
         __hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &rest_x, &rest_y);
 }
 
-static void hdaps_mousedev_poll(unsigned long unused)
+static void hdaps_mousedev_poll(struct input_polled_dev *dev)
 {
+        struct input_dev *input_dev = dev->input;
         int x, y;
 
-        /* Cannot sleep.  Try nonblockingly.  If we fail, try again later. */
-        if (mutex_trylock(&hdaps_mtx)) {
-                mod_timer(&hdaps_timer,jiffies + HDAPS_POLL_PERIOD);
-                return;
-        }
+        mutex_lock(&hdaps_mtx);
 
         if (__hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &x, &y))
                 goto out;
 
-        input_report_abs(hdaps_idev, ABS_X, x - rest_x);
-        input_report_abs(hdaps_idev, ABS_Y, y - rest_y);
-        input_sync(hdaps_idev);
-
-        mod_timer(&hdaps_timer, jiffies + HDAPS_POLL_PERIOD);
+        input_report_abs(input_dev, ABS_X, x - rest_x);
+        input_report_abs(input_dev, ABS_Y, y - rest_y);
+        input_sync(input_dev);
 
 out:
         mutex_unlock(&hdaps_mtx);
@@ -536,6 +530,7 @@ static struct dmi_system_id __initdata hdaps_whitelist[] = {
 
 static int __init hdaps_init(void)
 {
+        struct input_dev *idev;
         int ret;
 
         if (!dmi_check_system(hdaps_whitelist)) {
@@ -563,39 +558,37 @@ static int __init hdaps_init(void)
         if (ret)
                 goto out_device;
 
-        hdaps_idev = input_allocate_device();
+        hdaps_idev = input_allocate_polled_device();
         if (!hdaps_idev) {
                 ret = -ENOMEM;
                 goto out_group;
         }
 
+        hdaps_idev->poll = hdaps_mousedev_poll;
+        hdaps_idev->poll_interval = HDAPS_POLL_INTERVAL;
+
         /* initial calibrate for the input device */
         hdaps_calibrate();
 
         /* initialize the input class */
-        hdaps_idev->name = "hdaps";
-        hdaps_idev->dev.parent = &pdev->dev;
-        hdaps_idev->evbit[0] = BIT(EV_ABS);
-        input_set_abs_params(hdaps_idev, ABS_X,
+        idev = hdaps_idev->input;
+        idev->name = "hdaps";
+        idev->dev.parent = &pdev->dev;
+        idev->evbit[0] = BIT(EV_ABS);
+        input_set_abs_params(idev, ABS_X,
                         -256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT);
-        input_set_abs_params(hdaps_idev, ABS_Y,
+        input_set_abs_params(idev, ABS_Y,
                         -256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT);
 
-        ret = input_register_device(hdaps_idev);
+        ret = input_register_polled_device(hdaps_idev);
         if (ret)
                 goto out_idev;
 
-        /* start up our timer for the input device */
-        init_timer(&hdaps_timer);
-        hdaps_timer.function = hdaps_mousedev_poll;
-        hdaps_timer.expires = jiffies + HDAPS_POLL_PERIOD;
-        add_timer(&hdaps_timer);
-
         printk(KERN_INFO "hdaps: driver successfully loaded.\n");
         return 0;
 
 out_idev:
-        input_free_device(hdaps_idev);
+        input_free_polled_device(hdaps_idev);
 out_group:
         sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group);
 out_device:
@@ -611,8 +604,8 @@ out:
 
 static void __exit hdaps_exit(void)
 {
-        del_timer_sync(&hdaps_timer);
-        input_unregister_device(hdaps_idev);
+        input_unregister_polled_device(hdaps_idev);
+        input_free_polled_device(hdaps_idev);
         sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group);
         platform_device_unregister(pdev);
         platform_driver_unregister(&hdaps_driver);