15 files changed, 121 insertions, 43 deletions

diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index ebf4be5b7c4e..2d175b5928ff 100644
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -50,9 +50,8 @@ static LIST_HEAD(gameport_list);
 
 static struct bus_type gameport_bus;
 
-static void gameport_add_driver(struct gameport_driver *drv);
 static void gameport_add_port(struct gameport *gameport);
-static void gameport_destroy_port(struct gameport *gameport);
+static void gameport_attach_driver(struct gameport_driver *drv);
 static void gameport_reconnect_port(struct gameport *gameport);
 static void gameport_disconnect_port(struct gameport *gameport);
 
@@ -230,7 +229,6 @@ static void gameport_find_driver(struct gameport *gameport)
 
 enum gameport_event_type {
         GAMEPORT_REGISTER_PORT,
-        GAMEPORT_REGISTER_DRIVER,
         GAMEPORT_ATTACH_DRIVER,
 };
 
@@ -374,8 +372,8 @@ static void gameport_handle_event(void)
                                 gameport_add_port(event->object);
                                 break;
 
-                        case GAMEPORT_REGISTER_DRIVER:
-                                gameport_add_driver(event->object);
+                        case GAMEPORT_ATTACH_DRIVER:
+                                gameport_attach_driver(event->object);
                                 break;
 
                         default:
@@ -706,14 +704,14 @@ static int gameport_driver_remove(struct device *dev)
         return 0;
 }
 
-static void gameport_add_driver(struct gameport_driver *drv)
+static void gameport_attach_driver(struct gameport_driver *drv)
 {
         int error;
 
-        error = driver_register(&drv->driver);
+        error = driver_attach(&drv->driver);
         if (error)
                 printk(KERN_ERR
-                        "gameport: driver_register() failed for %s, error: %d\n",
+                        "gameport: driver_attach() failed for %s, error: %d\n",
                         drv->driver.name, error);
 }
 
diff --git a/drivers/input/input.c b/drivers/input/input.c
index d44065d2e662..935a1835de2d 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1549,7 +1549,6 @@ int input_register_handle(struct input_handle *handle)
                 return error;
         list_add_tail_rcu(&handle->d_node, &dev->h_list);
         mutex_unlock(&dev->mutex);
-        synchronize_rcu();
 
         /*
          * Since we are supposed to be called from ->connect()
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index f999dc60c3b8..444dec07e5d8 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -880,7 +880,7 @@ static unsigned int atkbd_hp_zv6100_forced_release_keys[] = {
 };
 
 /*
- * Samsung NC10 with Fn+F? key release not working
+ * Samsung NC10,NC20 with Fn+F? key release not working
  */
 static unsigned int atkbd_samsung_forced_release_keys[] = {
         0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U
@@ -1534,6 +1534,24 @@ static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
                 .driver_data = atkbd_samsung_forced_release_keys,
         },
         {
+                .ident = "Samsung NC20",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "NC20"),
+                },
+                .callback = atkbd_setup_forced_release,
+                .driver_data = atkbd_samsung_forced_release_keys,
+        },
+        {
+                .ident = "Samsung SQ45S70S",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
+                },
+                .callback = atkbd_setup_forced_release,
+                .driver_data = atkbd_samsung_forced_release_keys,
+        },
+        {
                 .ident = "Fujitsu Amilo PA 1510",
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c
index e94b7d735aca..d427f322e207 100644
--- a/drivers/input/keyboard/bf54x-keys.c
+++ b/drivers/input/keyboard/bf54x-keys.c
@@ -252,7 +252,7 @@ static int __devinit bfin_kpad_probe(struct platform_device *pdev)
         }
 
         error = request_irq(bf54x_kpad->irq, bfin_kpad_isr,
-                                 IRQF_SAMPLE_RANDOM, DRV_NAME, pdev);
+                                0, DRV_NAME, pdev);
         if (error) {
                 printk(KERN_ERR DRV_NAME
                         ": unable to claim irq %d; error %d\n",
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 203abac1e23e..5c0a631d1455 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -214,7 +214,7 @@ config INPUT_SGI_BTNS
 
 config HP_SDC_RTC
         tristate "HP SDC Real Time Clock"
-        depends on GSC || HP300
+        depends on (GSC || HP300) && SERIO
         select HP_SDC
         help
           Say Y here if you want to support the built-in real time clock
diff --git a/drivers/input/mouse/pc110pad.c b/drivers/input/mouse/pc110pad.c
index f63995f854ff..3941f97cfa60 100644
--- a/drivers/input/mouse/pc110pad.c
+++ b/drivers/input/mouse/pc110pad.c
@@ -108,7 +108,6 @@ static int pc110pad_open(struct input_dev *dev)
  */
 static int __init pc110pad_init(void)
 {
-        struct pci_dev *dev;
         int err;
 
         if (!no_pci_devices())
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 83ed2d56b924..fb8a3cd3ffd0 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -377,6 +377,24 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
         { }
 };
 
+static struct dmi_system_id __initdata i8042_dmi_reset_table[] = {
+        {
+                .ident = "MSI Wind U-100",
+                .matches = {
+                        DMI_MATCH(DMI_BOARD_NAME, "U-100"),
+                        DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
+                },
+        },
+        {
+                .ident = "LG Electronics X110",
+                .matches = {
+                        DMI_MATCH(DMI_BOARD_NAME, "X110"),
+                        DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
+                },
+        },
+        { }
+};
+
 #ifdef CONFIG_PNP
 static struct dmi_system_id __initdata i8042_dmi_nopnp_table[] = {
         {
@@ -386,6 +404,13 @@ static struct dmi_system_id __initdata i8042_dmi_nopnp_table[] = {
                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
                 },
         },
+        {
+                .ident = "MSI Wind U-100",
+                .matches = {
+                        DMI_MATCH(DMI_BOARD_NAME, "U-100"),
+                        DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
+                },
+        },
         { }
 };
 #endif
@@ -698,6 +723,9 @@ static int __init i8042_platform_init(void)
 #endif
 
 #ifdef CONFIG_X86
+        if (dmi_check_system(i8042_dmi_reset_table))
+                i8042_reset = 1;
+
         if (dmi_check_system(i8042_dmi_noloop_table))
                 i8042_noloop = 1;
 
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 170f71ee5772..3cffb704e374 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -712,22 +712,43 @@ static int i8042_controller_check(void)
 static int i8042_controller_selftest(void)
 {
         unsigned char param;
+        int i = 0;
 
         if (!i8042_reset)
                 return 0;
 
-        if (i8042_command(&param, I8042_CMD_CTL_TEST)) {
-                printk(KERN_ERR "i8042.c: i8042 controller self test timeout.\n");
-                return -ENODEV;
-        }
+        /*
+         * We try this 5 times; on some really fragile systems this does not
+         * take the first time...
+         */
+        do {
+
+                if (i8042_command(&param, I8042_CMD_CTL_TEST)) {
+                        printk(KERN_ERR "i8042.c: i8042 controller self test timeout.\n");
+                        return -ENODEV;
+                }
+
+                if (param == I8042_RET_CTL_TEST)
+                        return 0;
 
-        if (param != I8042_RET_CTL_TEST) {
                 printk(KERN_ERR "i8042.c: i8042 controller selftest failed. (%#x != %#x)\n",
-                         param, I8042_RET_CTL_TEST);
-                return -EIO;
-        }
+                        param, I8042_RET_CTL_TEST);
+                msleep(50);
+        } while (i++ < 5);
 
+#ifdef CONFIG_X86
+        /*
+         * On x86, we don't fail entire i8042 initialization if controller
+         * reset fails in hopes that keyboard port will still be functional
+         * and user will still get a working keyboard. This is especially
+         * important on netbooks. On other arches we trust hardware more.
+         */
+        printk(KERN_INFO
+                "i8042: giving up on controller selftest, continuing anyway...\n");
         return 0;
+#else
+        return -EIO;
+#endif
 }
 
 /*
diff --git a/drivers/input/touchscreen/ad7877.c b/drivers/input/touchscreen/ad7877.c
index e4728a28f492..ecaeb7e8e75e 100644
--- a/drivers/input/touchscreen/ad7877.c
+++ b/drivers/input/touchscreen/ad7877.c
@@ -736,8 +736,8 @@ static int __devinit ad7877_probe(struct spi_device *spi)
 
         /* Request AD7877 /DAV GPIO interrupt */
 
-        err = request_irq(spi->irq, ad7877_irq, IRQF_TRIGGER_FALLING |
-                        IRQF_SAMPLE_RANDOM, spi->dev.driver->name, ts);
+        err = request_irq(spi->irq, ad7877_irq, IRQF_TRIGGER_FALLING,
+                        spi->dev.driver->name, ts);
         if (err) {
                 dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
                 goto err_free_mem;
diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c
index ea4c61d68683..5d8a70398807 100644
--- a/drivers/input/touchscreen/ad7879.c
+++ b/drivers/input/touchscreen/ad7879.c
@@ -448,8 +448,7 @@ static int __devinit ad7879_construct(bus_device *bus, struct ad7879 *ts)
         ad7879_setup(ts);
 
         err = request_irq(bus->irq, ad7879_irq,
-                          IRQF_TRIGGER_FALLING | IRQF_SAMPLE_RANDOM,
-                          bus->dev.driver->name, ts);
+                          IRQF_TRIGGER_FALLING, bus->dev.driver->name, ts);
 
         if (err) {
                 dev_err(&bus->dev, "irq %d busy?\n", bus->irq);
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 056ac77e2cf0..2b01e56568f8 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -127,6 +127,8 @@ struct ads7846 {
         void                    (*filter_cleanup)(void *data);
         int                     (*get_pendown_state)(void);
         int                     gpio_pendown;
+
+        void                    (*wait_for_sync)(void);
 };
 
 /* leave chip selected when we're done, for quicker re-select? */
@@ -511,6 +513,10 @@ static int get_pendown_state(struct ads7846 *ts)
         return !gpio_get_value(ts->gpio_pendown);
 }
 
+static void null_wait_for_sync(void)
+{
+}
+
 /*
  * PENIRQ only kicks the timer.  The timer only reissues the SPI transfer,
  * to retrieve touchscreen status.
@@ -686,6 +692,7 @@ static void ads7846_rx_val(void *ads)
         default:
                 BUG();
         }
+        ts->wait_for_sync();
         status = spi_async(ts->spi, m);
         if (status)
                 dev_err(&ts->spi->dev, "spi_async --> %d\n",
@@ -723,6 +730,7 @@ static enum hrtimer_restart ads7846_timer(struct hrtimer *handle)
         } else {
                 /* pen is still down, continue with the measurement */
                 ts->msg_idx = 0;
+                ts->wait_for_sync();
                 status = spi_async(ts->spi, &ts->msg[0]);
                 if (status)
                         dev_err(&ts->spi->dev, "spi_async --> %d\n", status);
@@ -746,7 +754,7 @@ static irqreturn_t ads7846_irq(int irq, void *handle)
                          * that here.  (The "generic irq" framework may help...)
                          */
                         ts->irq_disabled = 1;
-                        disable_irq(ts->spi->irq);
+                        disable_irq_nosync(ts->spi->irq);
                         ts->pending = 1;
                         hrtimer_start(&ts->timer, ktime_set(0, TS_POLL_DELAY),
                                         HRTIMER_MODE_REL);
@@ -947,6 +955,8 @@ static int __devinit ads7846_probe(struct spi_device *spi)
                 ts->penirq_recheck_delay_usecs =
                                 pdata->penirq_recheck_delay_usecs;
 
+        ts->wait_for_sync = pdata->wait_for_sync ? : null_wait_for_sync;
+
         snprintf(ts->phys, sizeof(ts->phys), "%s/input0", dev_name(&spi->dev));
 
         input_dev->name = "ADS784x Touchscreen";
diff --git a/drivers/input/touchscreen/da9034-ts.c b/drivers/input/touchscreen/da9034-ts.c
index fa67d782c3c3..3ffd4c4b170c 100644
--- a/drivers/input/touchscreen/da9034-ts.c
+++ b/drivers/input/touchscreen/da9034-ts.c
@@ -3,6 +3,7 @@
  *
  * Copyright (C) 2006-2008 Marvell International Ltd.
  *      Fengwei Yin <fengwei.yin@marvell.com>
+ *      Bin Yang  <bin.yang@marvell.com>
  *      Eric Miao <eric.miao@marvell.com>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -175,6 +176,16 @@ static void da9034_event_handler(struct da9034_touch *touch, int event)
                         goto err_reset;
 
                 touch->state = STATE_STOP;
+
+                /* FIXME: PEN_{UP/DOWN} events are expected to be
+                 * available by stopping TSI, but this is found not
+                 * always true, delay and simulate such an event
+                 * here is more reliable
+                 */
+                mdelay(1);
+                da9034_event_handler(touch,
+                                     is_pen_down(touch) ? EVENT_PEN_DOWN :
+                                                          EVENT_PEN_UP);
                 break;
 
         case STATE_STOP:
@@ -189,8 +200,6 @@ static void da9034_event_handler(struct da9034_touch *touch, int event)
                         report_pen_up(touch);
                         touch->state = STATE_IDLE;
                 }
-
-                input_sync(touch->input_dev);
                 break;
 
         case STATE_WAIT:
@@ -200,8 +209,10 @@ static void da9034_event_handler(struct da9034_touch *touch, int event)
                 if (is_pen_down(touch)) {
                         start_tsi(touch);
                         touch->state = STATE_BUSY;
-                } else
+                } else {
+                        report_pen_up(touch);
                         touch->state = STATE_IDLE;
+                }
                 break;
         }
         return;
@@ -226,16 +237,12 @@ static int da9034_touch_notifier(struct notifier_block *nb,
         struct da9034_touch *touch =
                 container_of(nb, struct da9034_touch, notifier);
 
-        if (event & DA9034_EVENT_PEN_DOWN) {
-                if (is_pen_down(touch))
-                        da9034_event_handler(touch, EVENT_PEN_DOWN);
-                else
-                        da9034_event_handler(touch, EVENT_PEN_UP);
-        }
-
         if (event & DA9034_EVENT_TSI_READY)
                 da9034_event_handler(touch, EVENT_TSI_READY);
 
+        if ((event & DA9034_EVENT_PEN_DOWN) && touch->state == STATE_IDLE)
+                da9034_event_handler(touch, EVENT_PEN_DOWN);
+
         return 0;
 }
 
@@ -385,6 +392,6 @@ static void __exit da9034_touch_exit(void)
 module_exit(da9034_touch_exit);
 
 MODULE_DESCRIPTION("Touchscreen driver for Dialog Semiconductor DA9034");
-MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>");
+MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>, Bin Yang <bin.yang@marvell.com>");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:da9034-touch");
diff --git a/drivers/input/touchscreen/mainstone-wm97xx.c b/drivers/input/touchscreen/mainstone-wm97xx.c
index dfa6a84ab50a..4cc047a5116e 100644
--- a/drivers/input/touchscreen/mainstone-wm97xx.c
+++ b/drivers/input/touchscreen/mainstone-wm97xx.c
@@ -111,13 +111,12 @@ static void wm97xx_acc_pen_up(struct wm97xx *wm)
 #else
 static void wm97xx_acc_pen_up(struct wm97xx *wm)
 {
-        int count = 16;
+        unsigned int count;
+
         schedule_timeout_uninterruptible(1);
 
-        while (count < 16) {
+        for (count = 0; count < 16; count++)
                 MODR;
-                count--;
-        }
 }
 #endif
 
diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c
index cec480bffe38..69af8385ab14 100644
--- a/drivers/input/touchscreen/wm97xx-core.c
+++ b/drivers/input/touchscreen/wm97xx-core.c
@@ -370,8 +370,7 @@ static int wm97xx_init_pen_irq(struct wm97xx *wm)
          * provided. */
         BUG_ON(!wm->mach_ops->irq_enable);
 
-        if (request_irq(wm->pen_irq, wm97xx_pen_interrupt,
-                        IRQF_SHARED | IRQF_SAMPLE_RANDOM,
+        if (request_irq(wm->pen_irq, wm97xx_pen_interrupt, IRQF_SHARED,
                         "wm97xx-pen", wm)) {
                 dev_err(wm->dev,
                         "Failed to register pen down interrupt, polling");
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h
index 05eab2f11e63..2ea20320c093 100644
--- a/include/linux/spi/ads7846.h
+++ b/include/linux/spi/ads7846.h
@@ -51,5 +51,6 @@ struct ads7846_platform_data {
                                  void **filter_data);
         int     (*filter)       (void *filter_data, int data_idx, int *val);
         void    (*filter_cleanup)(void *filter_data);
+        void    (*wait_for_sync)(void);
 };