diff options
67 files changed, 761 insertions, 388 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 79d9edd0bdf..7a0d2e4661a 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -68,22 +68,25 @@ static const struct { #define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \ &max, EV_KEY, (c)) -static inline int match_scancode(int code, int scancode) +static inline int match_scancode(unsigned int code, unsigned int scancode) { if (scancode == 0) return 1; - return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode); + + return (code & (HID_USAGE_PAGE | HID_USAGE)) == scancode; } -static inline int match_keycode(int code, int keycode) +static inline int match_keycode(unsigned int code, unsigned int keycode) { if (keycode == 0) return 1; - return (code == keycode); + + return code == keycode; } static struct hid_usage *hidinput_find_key(struct hid_device *hid, - int scancode, int keycode) + unsigned int scancode, + unsigned int keycode) { int i, j, k; struct hid_report *report; @@ -105,8 +108,8 @@ static struct hid_usage *hidinput_find_key(struct hid_device *hid, return NULL; } -static int hidinput_getkeycode(struct input_dev *dev, int scancode, - int *keycode) +static int hidinput_getkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int *keycode) { struct hid_device *hid = input_get_drvdata(dev); struct hid_usage *usage; @@ -119,16 +122,13 @@ static int hidinput_getkeycode(struct input_dev *dev, int scancode, return -EINVAL; } -static int hidinput_setkeycode(struct input_dev *dev, int scancode, - int keycode) +static int hidinput_setkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int keycode) { struct hid_device *hid = input_get_drvdata(dev); struct hid_usage *usage; int old_keycode; - if (keycode < 0 || keycode > KEY_MAX) - return -EINVAL; - usage = hidinput_find_key(hid, scancode, 0); if (usage) { old_keycode = usage->code; diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig index 02ce9cff5fc..d06083fdffb 100644 --- a/drivers/i2c/Kconfig +++ b/drivers/i2c/Kconfig @@ -73,7 +73,6 @@ config I2C_SMBUS source drivers/i2c/algos/Kconfig source drivers/i2c/busses/Kconfig -source drivers/i2c/chips/Kconfig config I2C_DEBUG_CORE bool "I2C Core debugging messages" @@ -98,12 +97,4 @@ config I2C_DEBUG_BUS a problem with I2C support and want to see more of what is going on. -config I2C_DEBUG_CHIP - bool "I2C Chip debugging messages" - help - Say Y here if you want the I2C chip drivers to produce a bunch of - debug messages to the system log. Select this if you are having - a problem with I2C support and want to see more of what is going - on. - endif # I2C diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index acd0250c16a..a7d9b4be9bb 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -6,7 +6,7 @@ obj-$(CONFIG_I2C_BOARDINFO) += i2c-boardinfo.o obj-$(CONFIG_I2C) += i2c-core.o obj-$(CONFIG_I2C_SMBUS) += i2c-smbus.o obj-$(CONFIG_I2C_CHARDEV) += i2c-dev.o -obj-y += busses/ chips/ algos/ +obj-y += algos/ busses/ ifeq ($(CONFIG_I2C_DEBUG_CORE),y) EXTRA_CFLAGS += -DDEBUG diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c index e25e13980af..e8d568c3fb0 100644 --- a/drivers/i2c/algos/i2c-algo-bit.c +++ b/drivers/i2c/algos/i2c-algo-bit.c @@ -522,6 +522,12 @@ static int bit_xfer(struct i2c_adapter *i2c_adap, int i, ret; unsigned short nak_ok; + if (adap->pre_xfer) { + ret = adap->pre_xfer(i2c_adap); + if (ret < 0) + return ret; + } + bit_dbg(3, &i2c_adap->dev, "emitting start condition\n"); i2c_start(adap); for (i = 0; i < num; i++) { @@ -570,6 +576,9 @@ static int bit_xfer(struct i2c_adapter *i2c_adap, bailout: bit_dbg(3, &i2c_adap->dev, "emitting stop condition\n"); i2c_stop(adap); + + if (adap->post_xfer) + adap->post_xfer(i2c_adap); return ret; } diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 9da5b05cdb5..299b918455a 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -416,9 +416,11 @@ static int i801_block_transaction(union i2c_smbus_data *data, char read_write, data->block[0] = 32; /* max for SMBus block reads */ } + /* Experience has shown that the block buffer can only be used for + SMBus (not I2C) block transactions, even though the datasheet + doesn't mention this limitation. */ if ((i801_features & FEATURE_BLOCK_BUFFER) - && !(command == I2C_SMBUS_I2C_BLOCK_DATA - && read_write == I2C_SMBUS_READ) + && command != I2C_SMBUS_I2C_BLOCK_DATA && i801_set_block_buffer_mode() == 0) result = i801_block_transaction_by_block(data, read_write, hwpec); diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c index 1c440a70ec6..b289ec99eeb 100644 --- a/drivers/i2c/busses/i2c-powermac.c +++ b/drivers/i2c/busses/i2c-powermac.c @@ -122,9 +122,14 @@ static s32 i2c_powermac_smbus_xfer( struct i2c_adapter* adap, rc = pmac_i2c_xfer(bus, addrdir, subsize, subaddr, buf, len); if (rc) { - dev_err(&adap->dev, - "I2C transfer at 0x%02x failed, size %d, err %d\n", - addrdir >> 1, size, rc); + if (rc == -ENXIO) + dev_dbg(&adap->dev, + "I2C transfer at 0x%02x failed, size %d, " + "err %d\n", addrdir >> 1, size, rc); + else + dev_err(&adap->dev, + "I2C transfer at 0x%02x failed, size %d, " + "err %d\n", addrdir >> 1, size, rc); goto bail; } @@ -175,10 +180,16 @@ static int i2c_powermac_master_xfer( struct i2c_adapter *adap, goto bail; } rc = pmac_i2c_xfer(bus, addrdir, 0, 0, msgs->buf, msgs->len); - if (rc < 0) - dev_err(&adap->dev, "I2C %s 0x%02x failed, err %d\n", - addrdir & 1 ? "read from" : "write to", addrdir >> 1, - rc); + if (rc < 0) { + if (rc == -ENXIO) + dev_dbg(&adap->dev, "I2C %s 0x%02x failed, err %d\n", + addrdir & 1 ? "read from" : "write to", + addrdir >> 1, rc); + else + dev_err(&adap->dev, "I2C %s 0x%02x failed, err %d\n", + addrdir & 1 ? "read from" : "write to", + addrdir >> 1, rc); + } bail: pmac_i2c_close(bus); return rc < 0 ? rc : 1; diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index eece39a5a30..f0ef8da6c55 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -32,6 +32,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/errno.h> +#include <linux/delay.h> #include <linux/platform_device.h> #include <linux/i2c.h> #include <linux/interrupt.h> diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig deleted file mode 100644 index ae4539d99be..00000000000 --- a/drivers/i2c/chips/Kconfig +++ /dev/null @@ -1,19 +0,0 @@ -# -# Miscellaneous I2C chip drivers configuration -# -# *** DEPRECATED! Do not add new entries! See Makefile *** -# - -menu "Miscellaneous I2C Chip support" - -config SENSORS_TSL2550 - tristate "Taos TSL2550 ambient light sensor" - depends on EXPERIMENTAL - help - If you say yes here you get support for the Taos TSL2550 - ambient light sensor. - - This driver can also be built as a module. If so, the module - will be called tsl2550. - -endmenu diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile deleted file mode 100644 index fe0af0f81f2..00000000000 --- a/drivers/i2c/chips/Makefile +++ /dev/null @@ -1,18 +0,0 @@ -# -# Makefile for miscellaneous I2C chip drivers. -# -# Do not add new drivers to this directory! It is DEPRECATED. -# -# Device drivers are better grouped according to the functionality they -# implement rather than to the bus they are connected to. In particular: -# * Hardware monitoring chip drivers go to drivers/hwmon -# * RTC chip drivers go to drivers/rtc -# * I/O expander drivers go to drivers/gpio -# - -obj-$(CONFIG_SENSORS_TSL2550) += tsl2550.o - -ifeq ($(CONFIG_I2C_DEBUG_CHIP),y) -EXTRA_CFLAGS += -DDEBUG -endif - diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c index 42127822124..7a8201ed218 100644 --- a/drivers/i2c/i2c-smbus.c +++ b/drivers/i2c/i2c-smbus.c @@ -22,7 +22,6 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/device.h> -#include <linux/semaphore.h> #include <linux/interrupt.h> #include <linux/workqueue.h> #include <linux/i2c.h> @@ -55,7 +54,7 @@ static int smbus_do_alert(struct device *dev, void *addrp) * Drivers should either disable alerts, or provide at least * a minimal handler. Lock so client->driver won't change. */ - down(&dev->sem); + device_lock(dev); if (client->driver) { if (client->driver->alert) client->driver->alert(client, data->flag); @@ -63,7 +62,7 @@ static int smbus_do_alert(struct device *dev, void *addrp) dev_warn(&client->dev, "no driver alert()!\n"); } else dev_dbg(&client->dev, "alert with no driver\n"); - up(&dev->sem); + device_unlock(dev); /* Stop iterating after we find the device */ return -EBUSY; diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 9f9816baeb9..2ee6c7a68bd 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -515,7 +515,7 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd, struct input_absinfo abs; struct ff_effect effect; int __user *ip = (int __user *)p; - int i, t, u, v; + unsigned int i, t, u, v; int error; switch (cmd) { diff --git a/drivers/input/input.c b/drivers/input/input.c index 41168d5f8c1..e2aad0a5182 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -582,7 +582,8 @@ static int input_fetch_keycode(struct input_dev *dev, int scancode) } static int input_default_getkeycode(struct input_dev *dev, - int scancode, int *keycode) + unsigned int scancode, + unsigned int *keycode) { if (!dev->keycodesize) return -EINVAL; @@ -596,7 +597,8 @@ static int input_default_getkeycode(struct input_dev *dev, } static int input_default_setkeycode(struct input_dev *dev, - int scancode, int keycode) + unsigned int scancode, + unsigned int keycode) { int old_keycode; int i; @@ -654,11 +656,9 @@ static int input_default_setkeycode(struct input_dev *dev, * This function should be called by anyone interested in retrieving current * keymap. Presently keyboard and evdev handlers use it. */ -int input_get_keycode(struct input_dev *dev, int scancode, int *keycode) +int input_get_keycode(struct input_dev *dev, + unsigned int scancode, unsigned int *keycode) { - if (scancode < 0) - return -EINVAL; - return dev->getkeycode(dev, scancode, keycode); } EXPORT_SYMBOL(input_get_keycode); @@ -672,16 +672,14 @@ EXPORT_SYMBOL(input_get_keycode); * This function should be called by anyone needing to update current * keymap. Presently keyboard and evdev handlers use it. */ -int input_set_keycode(struct input_dev *dev, int scancode, int keycode) +int input_set_keycode(struct input_dev *dev, + unsigned int scancode, unsigned int keycode) { unsigned long flags; int old_keycode; int retval; - if (scancode < 0) - return -EINVAL; - - if (keycode < 0 || keycode > KEY_MAX) + if (keycode > KEY_MAX) return -EINVAL; spin_lock_irqsave(&dev->event_lock, flags); @@ -1881,35 +1879,37 @@ static int input_open_file(struct inode *inode, struct file *file) const struct file_operations *old_fops, *new_fops = NULL; int err; - lock_kernel(); + err = mutex_lock_interruptible(&input_mutex); + if (err) + return err; + /* No load-on-demand here? */ handler = input_table[iminor(inode) >> 5]; - if (!handler || !(new_fops = fops_get(handler->fops))) { - err = -ENODEV; - goto out; - } + if (handler) + new_fops = fops_get(handler->fops); + + mutex_unlock(&input_mutex); /* * That's _really_ odd. Usually NULL ->open means "nothing special", * not "no device". Oh, well... */ - if (!new_fops->open) { + if (!new_fops || !new_fops->open) { fops_put(new_fops); err = -ENODEV; goto out; } + old_fops = file->f_op; file->f_op = new_fops; err = new_fops->open(inode, file); - if (err) { fops_put(file->f_op); file->f_op = fops_get(old_fops); } fops_put(old_fops); out: - unlock_kernel(); return err; } diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c index ae998d99a5a..7a55714a148 100644 --- a/drivers/input/joystick/gamecon.c +++ b/drivers/input/joystick/gamecon.c @@ -819,7 +819,7 @@ static int __init gc_setup_pad(struct gc *gc, int idx, int pad_type) int i; int err; - if (pad_type < 1 || pad_type > GC_MAX) { + if (pad_type < 1 || pad_type >= GC_MAX) { pr_err("Pad type %d unknown\n", pad_type); return -EINVAL; } diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c index fe376a27fe5..593c052416b 100644 --- a/drivers/input/keyboard/bf54x-keys.c +++ b/drivers/input/keyboard/bf54x-keys.c @@ -162,7 +162,7 @@ static irqreturn_t bfin_kpad_isr(int irq, void *dev_id) input_sync(input); if (bfin_kpad_get_keypressed(bf54x_kpad)) { - disable_irq(bf54x_kpad->irq); + disable_irq_nosync(bf54x_kpad->irq); bf54x_kpad->lastkey = key; mod_timer(&bf54x_kpad->timer, jiffies + bf54x_kpad->keyup_test_jiffies); diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 7097bfe581d..23140a3bb8e 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -214,6 +214,17 @@ config INPUT_TWL4030_PWRBUTTON To compile this driver as a module, choose M here. The module will be called twl4030_pwrbutton. +config INPUT_TWL4030_VIBRA + tristate "Support for TWL4030 Vibrator" + depends on TWL4030_CORE + select TWL4030_CODEC + select INPUT_FF_MEMLESS + help + This option enables support for TWL4030 Vibrator Driver. + + To compile this driver as a module, choose M here. The module will + be called twl4030_vibra. + config INPUT_UINPUT tristate "User level driver support" help diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index b611615e24a..7e95a5d474d 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER) += rotary_encoder.o obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o obj-$(CONFIG_INPUT_SPARCSPKR) += sparcspkr.o obj-$(CONFIG_INPUT_TWL4030_PWRBUTTON) += twl4030-pwrbutton.o +obj-$(CONFIG_INPUT_TWL4030_VIBRA) += twl4030-vibra.o obj-$(CONFIG_INPUT_UINPUT) += uinput.o obj-$(CONFIG_INPUT_WINBOND_CIR) += winbond-cir.o obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c index 0501f0e6515..15be5430bc6 100644 --- a/drivers/input/misc/ati_remote2.c +++ b/drivers/input/misc/ati_remote2.c @@ -474,10 +474,11 @@ static void ati_remote2_complete_key(struct urb *urb) } static int ati_remote2_getkeycode(struct input_dev *idev, - int scancode, int *keycode) + unsigned int scancode, unsigned int *keycode) { struct ati_remote2 *ar2 = input_get_drvdata(idev); - int index, mode; + unsigned int mode; + int index; mode = scancode >> 8; if (mode > ATI_REMOTE2_PC || !((1 << mode) & ar2->mode_mask)) @@ -491,10 +492,12 @@ static int ati_remote2_getkeycode(struct input_dev *idev, return 0; } -static int ati_remote2_setkeycode(struct input_dev *idev, int scancode, int keycode) +static int ati_remote2_setkeycode(struct input_dev *idev, + unsigned int scancode, unsigned int keycode) { struct ati_remote2 *ar2 = input_get_drvdata(idev); - int index, mode, old_keycode; + unsigned int mode, old_keycode; + int index; mode = scancode >> 8; if (mode > ATI_REMOTE2_PC || !((1 << mode) & ar2->mode_mask)) @@ -504,9 +507,6 @@ static int ati_remote2_setkeycode(struct input_dev *idev, int scancode, int keyc if (index < 0) return -EINVAL; - if (keycode < KEY_RESERVED || keycode > KEY_MAX) - return -EINVAL; - old_keycode = ar2->keycode[mode][index]; ar2->keycode[mode][index] = keycode; __set_bit(keycode, idev->keybit); diff --git a/drivers/input/misc/twl4030-vibra.c b/drivers/input/misc/twl4030-vibra.c new file mode 100644 index 00000000000..2fb79e064da --- /dev/null +++ b/drivers/input/misc/twl4030-vibra.c @@ -0,0 +1,297 @@ +/* + * twl4030-vibra.c - TWL4030 Vibrator driver + * + * Copyright (C) 2008-2010 Nokia Corporation + * + * Written by Henrik Saari <henrik.saari@nokia.com> + * Updates by Felipe Balbi <felipe.balbi@nokia.com> + * Input by Jari Vanhala <ext-jari.vanhala@nokia.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/module.h> +#include <linux/jiffies.h> +#include <linux/platform_device.h> +#include <linux/workqueue.h> +#include <linux/i2c/twl.h> +#include <linux/mfd/twl4030-codec.h> +#include <linux/input.h> + +/* MODULE ID2 */ +#define LEDEN 0x00 + +/* ForceFeedback */ +#define EFFECT_DIR_180_DEG 0x8000 /* range is 0 - 0xFFFF */ + +struct vibra_info { + struct device *dev; + struct input_dev *input_dev; + + struct workqueue_struct *workqueue; + struct work_struct play_work; + + bool enabled; + int speed; + int direction; + + bool coexist; +}; + +static void vibra_disable_leds(void) +{ + u8 reg; + + /* Disable LEDA & LEDB, cannot be used with vibra (PWM) */ + twl_i2c_read_u8(TWL4030_MODULE_LED, ®, LEDEN); + reg &= ~0x03; + twl_i2c_write_u8(TWL4030_MODULE_LED, LEDEN, reg); +} + +/* Powers H-Bridge and enables audio clk */ +static void vibra_enable(struct vibra_info *info) +{ + u8 reg; + + twl4030_codec_enable_resource(TWL4030_CODEC_RES_POWER); + + /* turn H-Bridge on */ + twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, + ®, TWL4030_REG_VIBRA_CTL); + twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + (reg | TWL4030_VIBRA_EN), TWL4030_REG_VIBRA_CTL); + + twl4030_codec_enable_resource(TWL4030_CODEC_RES_APLL); + + info->enabled = true; +} + +static void vibra_disable(struct vibra_info *info) +{ + u8 reg; + + /* Power down H-Bridge */ + twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, + ®, TWL4030_REG_VIBRA_CTL); + twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + (reg & ~TWL4030_VIBRA_EN), TWL4030_REG_VIBRA_CTL); + + twl4030_codec_disable_resource(TWL4030_CODEC_RES_POWER); + twl4030_codec_disable_resource(TWL4030_CODEC_RES_APLL); + + info->enabled = false; +} + +static void vibra_play_work(struct work_struct *work) +{ + struct vibra_info *info = container_of(work, + struct vibra_info, play_work); + int dir; + int pwm; + u8 reg; + + dir = info->direction; + pwm = info->speed; + + twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, + ®, TWL4030_REG_VIBRA_CTL); + if (pwm && (!info->coexist || !(reg & TWL4030_VIBRA_SEL))) { + + if (!info->enabled) + vibra_enable(info); + + /* set vibra rotation direction */ + twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, + ®, TWL4030_REG_VIBRA_CTL); + reg = (dir) ? (reg | TWL4030_VIBRA_DIR) : + (reg & ~TWL4030_VIBRA_DIR); + twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + reg, TWL4030_REG_VIBRA_CTL); + + /* set PWM, 1 = max, 255 = min */ + twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, + 256 - pwm, TWL4030_REG_VIBRA_SET); + } else { + if (info->enabled) + vibra_disable(info); + } +} + +/*** Input/ForceFeedback ***/ + +static int vibra_play(struct input_dev *input, void *data, + struct ff_effect *effect) +{ + struct vibra_info *info = input_get_drvdata(input); + + info->speed = effect->u.rumble.strong_magnitude >> 8; + if (!info->speed) + info->speed = effect->u.rumble.weak_magnitude >> 9; + info->direction = effect->direction < EFFECT_DIR_180_DEG ? 0 : 1; + queue_work(info->workqueue, &info->play_work); + return 0; +} + +static int twl4030_vibra_open(struct input_dev *input) +{ + struct vibra_info *info = input_get_drvdata(input); + + info->workqueue = create_singlethread_workqueue("vibra"); + if (info->workqueue == NULL) { + dev_err(&input->dev, "couldn't create workqueue\n"); + return -ENOMEM; + } + return 0; +} + +static void twl4030_vibra_close(struct input_dev *input) +{ + struct vibra_info *info = input_get_drvdata(input); + + cancel_work_sync(&info->play_work); + INIT_WORK(&info->play_work, vibra_play_work); /* cleanup */ + destroy_workqueue(info->workqueue); + info->workqueue = NULL; + + if (info->enabled) + vibra_disable(info); +} + +/*** Module ***/ +#if CONFIG_PM +static int twl4030_vibra_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct vibra_info *info = platform_get_drvdata(pdev); + + if (info->enabled) + vibra_disable(info); + + return 0; +} + +static int twl4030_vibra_resume(struct device *dev) +{ + vibra_disable_leds(); + return 0; +} + +static SIMPLE_DEV_PM_OPS(twl4030_vibra_pm_ops, + twl4030_vibra_suspend, twl4030_vibra_resume); +#endif + +static int __devinit twl4030_vibra_probe(struct platform_device *pdev) +{ + struct twl4030_codec_vibra_data *pdata = pdev->dev.platform_data; + struct vibra_info *info; + int ret; + + if (!pdata) { + dev_dbg(&pdev->dev, "platform_data not available\n"); + return -EINVAL; + } + + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + info->dev = &pdev->dev; + info->coexist = pdata->coexist; + INIT_WORK(&info->play_work, vibra_play_work); + + info->input_dev = input_allocate_device(); + if (info->input_dev == NULL) { + dev_err(&pdev->dev, "couldn't allocate input device\n"); + ret = -ENOMEM; + goto err_kzalloc; + } + + input_set_drvdata(info->input_dev, info); + + info->input_dev->name = "twl4030:vibrator"; + info->input_dev->id.version = 1; + info->input_dev->dev.parent = pdev->dev.parent; + info->input_dev->open = twl4030_vibra_open; + info->input_dev->close = twl4030_vibra_close; + __set_bit(FF_RUMBLE, info->input_dev->ffbit); + + ret = input_ff_create_memless(info->input_dev, NULL, vibra_play); + if (ret < 0) { + dev_dbg(&pdev->dev, "couldn't register vibrator to FF\n"); + goto err_ialloc; + } + + ret = input_register_device(info->input_dev); + if (ret < 0) { + dev_dbg(&pdev->dev, "couldn't register input device\n"); + goto err_iff; + } + + vibra_disable_leds(); + + platform_set_drvdata(pdev, info); + return 0; + +err_iff: + input_ff_destroy(info->input_dev); +err_ialloc: + input_free_device(info->input_dev); +err_kzalloc: + kfree(info); + return ret; +} + +static int __devexit twl4030_vibra_remove(struct platform_device *pdev) +{ + struct vibra_info *info = platform_get_drvdata(pdev); + + /* this also free ff-memless and calls close if needed */ + input_unregister_device(info->input_dev); + kfree(info); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static struct platform_driver twl4030_vibra_driver = { + .probe = twl4030_vibra_probe, + .remove = __devexit_p(twl4030_vibra_remove), + .driver = { + .name = "twl4030_codec_vibra", + .owner = THIS_MODULE, +#ifdef CONFIG_PM + .pm = &twl4030_vibra_pm_ops, +#endif + }, +}; + +static int __init twl4030_vibra_init(void) +{ + return platform_driver_register(&twl4030_vibra_driver); +} +module_init(twl4030_vibra_init); + +static void __exit twl4030_vibra_exit(void) +{ + platform_driver_unregister(&twl4030_vibra_driver); +} +module_exit(twl4030_vibra_exit); + +MODULE_ALIAS("platform:twl4030_codec_vibra"); + +MODULE_DESCRIPTION("TWL4030 Vibra driver"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Nokia Corporation"); diff --git a/drivers/input/misc/winbond-cir.c b/drivers/input/misc/winbond-cir.c index cbec3dfdd42..9c155a43abc 100644 --- a/drivers/input/misc/winbond-cir.c +++ b/drivers/input/misc/winbond-cir.c @@ -385,26 +385,24 @@ wbcir_do_getkeycode(struct wbcir_data *data, u32 scancode) } static int -wbcir_getkeycode(struct input_dev *dev, int scancode, int *keycode) +wbcir_getkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int *keycode) { struct wbcir_data *data = input_get_drvdata(dev); - *keycode = (int)wbcir_do_getkeycode(data, (u32)scancode); + *keycode = wbcir_do_getkeycode(data, scancode); return 0; } static int -wbcir_setkeycode(struct input_dev *dev, int sscancode, int keycode) +wbcir_setkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int keycode) { struct wbcir_data *data = input_get_drvdata(dev); struct wbcir_keyentry *keyentry; struct wbcir_keyentry *new_keyentry; unsigned long flags; unsigned int old_keycode = KEY_RESERVED; - u32 scancode = (u32)sscancode; - - if (keycode < 0 || keycode > KEY_MAX) - return -EINVAL; new_keyentry = kmalloc(sizeof(*new_keyentry), GFP_KERNEL); if (!new_keyentry) diff --git a/drivers/input/misc/wm831x-on.c b/drivers/input/misc/wm831x-on.c index ba4f5dd7c60..1e54bce72db 100644 --- a/drivers/input/misc/wm831x-on.c +++ b/drivers/input/misc/wm831x-on.c @@ -97,8 +97,9 @@ static int __devinit wm831x_on_probe(struct platform_device *pdev) wm831x_on->dev->phys = "wm831x_on/input0"; wm831x_on->dev->dev.parent = &pdev->dev; - ret = wm831x_request_irq(wm831x, irq, wm831x_on_irq, - IRQF_TRIGGER_RISING, "wm831x_on", wm831x_on); + ret = request_threaded_irq(irq, NULL, wm831x_on_irq, + IRQF_TRIGGER_RISING, "wm831x_on", + wm831x_on); if (ret < 0) { dev_err(&pdev->dev, "Unable to request IRQ: %d\n", ret); goto err_input_dev; @@ -114,7 +115,7 @@ static int __devinit wm831x_on_probe(struct platform_device *pdev) return 0; err_irq: - wm831x_free_irq(wm831x, irq, NULL); + free_irq(irq, wm831x_on); err_input_dev: input_free_device(wm831x_on->dev); err: @@ -127,7 +128,7 @@ static int __devexit wm831x_on_remove(struct platform_device *pdev) struct wm831x_on *wm831x_on = platform_get_drvdata(pdev); int irq = platform_get_irq(pdev, 0); - wm831x_free_irq(wm831x_on->wm831x, irq, wm831x_on); + free_irq(irq, wm831x_on); cancel_delayed_work_sync(&wm831x_on->work); input_unregister_device(wm831x_on->dev); kfree(wm831x_on); diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index f93c2c0daf1..7490f1da4a5 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -63,6 +63,8 @@ static const struct alps_model_info alps_model_data[] = { { { 0x62, 0x02, 0x14 }, 0xcf, 0xcf, ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, { { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FOUR_BUTTONS }, /* Dell Vostro 1400 */ + { { 0x52, 0x01, 0x14 }, 0xff, 0xff, + ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, /* Toshiba Tecra A11-11L */ }; /* @@ -118,40 +120,27 @@ static void alps_report_buttons(struct psmouse *psmouse, struct input_dev *dev1, struct input_dev *dev2, int left, int right, int middle) { - struct alps_data *priv = psmouse->private; - const struct alps_model_info *model = priv->i; - - if (model->flags & ALPS_PS2_INTERLEAVED) { - struct input_dev *dev; + struct input_dev *dev; - /* - * If shared button has already been reported on the - * other device (dev2) then this event should be also - * sent through that device. - */ - dev = test_bit(BTN_LEFT, dev2->key) ? dev2 : dev1; - input_report_key(dev, BTN_LEFT, left); + /* + * If shared button has already been reported on the + * other device (dev2) then this event should be also + * sent through that device. + */ + dev = test_bit(BTN_LEFT, dev2->key) ? dev2 : dev1; + input_report_key(dev, BTN_LEFT, left); - dev = test_bit(BTN_RIGHT, dev2->key) ? dev2 : dev1; - input_report_key(dev, BTN_RIGHT, right); + dev = test_bit(BTN_RIGHT, dev2->key) ? dev2 : dev1; + input_report_key(dev, BTN_RIGHT, right); - dev = test_bit(BTN_MIDDLE, dev2->key) ? dev2 : dev1; - input_report_key(dev, BTN_MIDDLE, middle); + dev = test_bit(BTN_MIDDLE, dev2->key) ? dev2 : dev1; + input_report_key(dev, BTN_MIDDLE, middle); - /* - * Sync the _other_ device now, we'll do the first - * device later once we report the rest of the events. - */ - input_sync(dev2); - } else { - /* - * For devices with non-interleaved packets we know what - * device buttons belong to so we can simply report them. - */ - input_report_key(dev1, BTN_LEFT, left); - input_report_key(dev1, BTN_RIGHT, right); - input_report_key(dev1, BTN_MIDDLE, middle); - } + /* + * Sync the _other_ device now, we'll do the first + * device later once we report the rest of the events. + */ + input_sync(dev2); } static void alps_process_packet(struct psmouse *psmouse) diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c index 908b5b44052..53ec7ddd182 100644 --- a/drivers/input/mouse/appletouch.c +++ b/drivers/input/mouse/appletouch.c @@ -205,8 +205,8 @@ struct atp { bool overflow_warned; int x_old; /* last reported x/y, */ int y_old; /* used for smoothing */ - signed char xy_cur[ATP_XSENSORS + ATP_YSENSORS]; - signed char xy_old[ATP_XSENSORS + ATP_YSENSORS]; + u8 xy_cur[ATP_XSENSORS + ATP_YSENSORS]; + u8 xy_old[ATP_XSENSORS + ATP_YSENSORS]; int xy_acc[ATP_XSENSORS + ATP_YSENSORS]; int idlecount; /* number of empty packets */ struct work_struct work; @@ -531,7 +531,7 @@ static void atp_complete_geyser_1_2(struct urb *urb) for (i = 0; i < ATP_XSENSORS + ATP_YSENSORS; i++) { /* accumulate the change */ - signed char change = dev->xy_old[i] - dev->xy_cur[i]; + int change = dev->xy_old[i] - dev->xy_cur[i]; dev->xy_acc[i] -= change; /* prevent down drifting */ diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c index a13d80f7da1..f34b22bce4f 100644 --- a/drivers/input/mousedev.c +++ b/drivers/input/mousedev.c @@ -15,7 +15,6 @@ #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/poll.h> #include <linux/module.h> #include <linux/init.h> @@ -542,10 +541,8 @@ static int mousedev_open(struct inode *inode, struct file *file) if (i >= MOUSEDEV_MINORS) return -ENODEV; - lock_kernel(); error = mutex_lock_interruptible(&mousedev_table_mutex); if (error) { - unlock_kernel(); return error; } mousedev = mousedev_table[i]; @@ -554,7 +551,6 @@ static int mousedev_open(struct inode *inode, struct file *file) mutex_unlock(&mousedev_table_mutex); if (!mousedev) { - unlock_kernel(); return -ENODEV; } @@ -575,7 +571,6 @@ static int mousedev_open(struct inode *inode, struct file *file) goto err_free_client; file->private_data = client; - unlock_kernel(); return 0; err_free_client: @@ -583,7 +578,6 @@ static int mousedev_open(struct inode *inode, struct file *file) kfree(client); err_put_mousedev: put_device(&mousedev->dev); - unlock_kernel(); return error; } diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 2a5982e532f..ead0494721d 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -442,6 +442,13 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = { }, }, { + /* Medion Akoya E1222 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), + DMI_MATCH(DMI_PRODUCT_NAME, "E122X"), + }, + }, + { /* Mivvy M310 */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"), @@ -624,6 +631,9 @@ static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id * strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name)); } + /* Keyboard ports are always supposed to be wakeup-enabled */ + device_set_wakeup_enable(&dev->dev, true); + i8042_pnp_kbd_devices++; return 0; } diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index ff4d77c4de1..9302ba0e48f 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -1386,6 +1386,8 @@ static int __init i8042_probe(struct platform_device *dev) { int error; + i8042_platform_device = dev; + error = i8042_controller_selftest(); if (error) return error; @@ -1421,6 +1423,7 @@ static int __init i8042_probe(struct platform_device *dev) i8042_free_aux_ports(); /* in case KBD failed but AUX not */ i8042_free_irqs(); i8042_controller_reset(); + i8042_platform_device = NULL; return error; } @@ -1430,6 +1433,7 @@ static int __devexit i8042_remove(struct platform_device *dev) i8042_unregister_ports(); i8042_free_irqs(); i8042_controller_reset(); + i8042_platform_device = NULL; return 0; } @@ -1448,6 +1452,7 @@ static struct platform_driver i8042_driver = { static int __init i8042_init(void) { + struct platform_device *pdev; int err; dbg_init(); @@ -1460,31 +1465,18 @@ static int __init i8042_init(void) if (err) goto err_platform_exit; - i8042_platform_device = platform_device_alloc("i8042", -1); - if (!i8042_platform_device) { - err = -ENOMEM; + pdev = platform_create_bundle(&i8042_driver, i8042_probe, NULL, 0, NULL, 0); + if (IS_ERR(pdev)) { + err = PTR_ERR(pdev); goto err_platform_exit; } - err = platform_device_add(i8042_platform_device); - if (err) - goto err_free_device; - - err = platform_driver_probe(&i8042_driver, i8042_probe); - if (err) - goto err_del_device; - panic_blink = i8042_panic_blink; return 0; - err_del_device: - platform_device_del(i8042_platform_device); - err_free_device: - platform_device_put(i8042_platform_device); err_platform_exit: i8042_platform_exit(); - return err; } diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c index 27fdaaffbb4..99866485444 100644 --- a/drivers/input/serio/serio_raw.c +++ b/drivers/input/serio/serio_raw.c @@ -81,12 +81,12 @@ static int serio_raw_open(struct inode *inode, struct file *file) struct serio_raw_list *list; int retval = 0; - lock_kernel(); retval = mutex_lock_interruptible(&serio_raw_mutex); if (retval) - goto out_bkl; + return retval; - if (!(serio_raw = serio_raw_locate(iminor(inode)))) { + serio_raw = serio_raw_locate(iminor(inode)); + if (!serio_raw) { retval = -ENODEV; goto out; } @@ -96,7 +96,8 @@ static int serio_raw_open(struct inode *inode, struct file *file) goto out; } - if (!(list = kzalloc(sizeof(struct serio_raw_list), GFP_KERNEL))) { + list = kzalloc(sizeof(struct serio_raw_list), GFP_KERNEL); + if (!list) { retval = -ENOMEM; goto out; } @@ -109,8 +110,6 @@ static int serio_raw_open(struct inode *inode, struct file *file) out: mutex_unlock(&serio_raw_mutex); -out_bkl: - unlock_kernel(); return retval; } diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c index fbd3987af57..e6bde55e520 100644 --- a/drivers/input/sparse-keymap.c +++ b/drivers/input/sparse-keymap.c @@ -64,7 +64,8 @@ struct key_entry *sparse_keymap_entry_from_keycode(struct input_dev *dev, EXPORT_SYMBOL(sparse_keymap_entry_from_keycode); static int sparse_keymap_getkeycode(struct input_dev *dev, - int scancode, int *keycode) + unsigned int scancode, + unsigned int *keycode) { const struct key_entry *key = sparse_keymap_entry_from_scancode(dev, scancode); @@ -78,7 +79,8 @@ static int sparse_keymap_getkeycode(struct input_dev *dev, } static int sparse_keymap_setkeycode(struct input_dev *dev, - int scancode, int keycode) + unsigned int scancode, + unsigned int keycode) { struct key_entry *key; int old_keycode; diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index a1770e6feee..8b5d2873f0c 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -371,7 +371,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi } else if (pen) { /* penabled only accepts exact bytes of data */ if (features->type == TABLETPC2FG) - features->pktlen = WACOM_PKGLEN_PENABLED; + features->pktlen = WACOM_PKGLEN_GRAPHIRE; features->device_type = BTN_TOOL_PEN; features->x_max = wacom_le16_to_cpu(&report[i + 3]); @@ -410,7 +410,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi } else if (pen) { /* penabled only accepts exact bytes of data */ if (features->type == TABLETPC2FG) - features->pktlen = WACOM_PKGLEN_PENABLED; + features->pktlen = WACOM_PKGLEN_GRAPHIRE; features->device_type = BTN_TOOL_PEN; features->y_max = wacom_le16_to_cpu(&report[i + 3]); diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 3d81443e683..b3ba3437a2e 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -155,19 +155,19 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) { struct wacom_features *features = &wacom->features; unsigned char *data = wacom->data; - int x, y, rw; - static int penData = 0; + int x, y, prox; + int rw = 0; + int retval = 0; if (data[0] != WACOM_REPORT_PENABLED) { dbg("wacom_graphire_irq: received unknown report #%d", data[0]); - return 0; + goto exit; } - if (data[1] & 0x80) { - /* in prox and not a pad data */ - penData = 1; - - switch ((data[1] >> 5) & 3) { + prox = data[1] & 0x80; + if (prox || wacom->id[0]) { + if (prox) { + switch ((data[1] >> 5) & 3) { case 0: /* Pen */ wacom->tool[0] = BTN_TOOL_PEN; @@ -181,23 +181,13 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) case 2: /* Mouse with wheel */ wacom_report_key(wcombo, BTN_MIDDLE, data[1] & 0x04); - if (features->type == WACOM_G4 || features->type == WACOM_MO) { - rw = data[7] & 0x04 ? (data[7] & 0x03)-4 : (data[7] & 0x03); - wacom_report_rel(wcombo, REL_WHEEL, -rw); - } else - wacom_report_rel(wcombo, REL_WHEEL, -(signed char) data[6]); /* fall through */ case 3: /* Mouse without wheel */ wacom->tool[0] = BTN_TOOL_MOUSE; wacom->id[0] = CURSOR_DEVICE_ID; - wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01); - wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02); - if (features->type == WACOM_G4 || features->type == WACOM_MO) - wacom_report_abs(wcombo, ABS_DISTANCE, data[6] & 0x3f); - else - wacom_report_abs(wcombo, ABS_DISTANCE, data[7] & 0x3f); break; + } } x = wacom_le16_to_cpu(&data[2]); y = wacom_le16_to_cpu(&data[4]); @@ -208,36 +198,32 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x01); wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02); wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x04); - } - wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */ - wacom_report_key(wcombo, wacom->tool[0], 1); - } else if (wacom->id[0]) { - wacom_report_abs(wcombo, ABS_X, 0); - wacom_report_abs(wcombo, ABS_Y, 0); - if (wacom->tool[0] == BTN_TOOL_MOUSE) { - wacom_report_key(wcombo, BTN_LEFT, 0); - wacom_report_key(wcombo, BTN_RIGHT, 0); - wacom_report_abs(wcombo, ABS_DISTANCE, 0); } else { - wacom_report_abs(wcombo, ABS_PRESSURE, 0); - wacom_report_key(wcombo, BTN_TOUCH, 0); - wacom_report_key(wcombo, BTN_STYLUS, 0); - wacom_report_key(wcombo, BTN_STYLUS2, 0); + wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01); + wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02); + if (features->type == WACOM_G4 || + features->type == WACOM_MO) { + wacom_report_abs(wcombo, ABS_DISTANCE, data[6] & 0x3f); + rw = (signed)(data[7] & 0x04) - (data[7] & 0x03); + } else { + wacom_report_abs(wcombo, ABS_DISTANCE, data[7] & 0x3f); + rw = -(signed)data[6]; + } + wacom_report_rel(wcombo, REL_WHEEL, rw); } - wacom->id[0] = 0; - wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */ - wacom_report_key(wcombo, wacom->tool[0], 0); + + if (!prox) + wacom->id[0] = 0; + wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */ + wacom_report_key(wcombo, wacom->tool[0], prox); + wacom_input_sync(wcombo); /* sync last event */ } /* send pad data */ switch (features->type) { case WACOM_G4: - if (data[7] & 0xf8) { - if (penData) { - wacom_input_sync(wcombo); /* sync last event */ - if (!wacom->id[0]) - penData = 0; - } + prox = data[7] & 0xf8; + if (prox || wacom->id[1]) { wacom->id[1] = PAD_DEVICE_ID; wacom_report_key(wcombo, BTN_0, (data[7] & 0x40)); wacom_report_key(wcombo, BTN_4, (data[7] & 0x80)); @@ -245,29 +231,16 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) wacom_report_rel(wcombo, REL_WHEEL, rw); wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0); wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]); - wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0); - } else if (wacom->id[1]) { - if (penData) { - wacom_input_sync(wcombo); /* sync last event */ - if (!wacom->id[0]) - penData = 0; - } - wacom->id[1] = 0; - wacom_report_key(wcombo, BTN_0, (data[7] & 0x40)); - wacom_report_key(wcombo, BTN_4, (data[7] & 0x80)); - wacom_report_rel(wcombo, REL_WHEEL, 0); - wacom_report_key(wcombo, BTN_TOOL_FINGER, 0); - wacom_report_abs(wcombo, ABS_MISC, 0); + if (!prox) + wacom->id[1] = 0; + wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]); wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0); } + retval = 1; break; case WACOM_MO: - if ((data[7] & 0xf8) || (data[8] & 0xff)) { - if (penData) { - wacom_input_sync(wcombo); /* sync last event */ - if (!wacom->id[0]) - penData = 0; - } + prox = (data[7] & 0xf8) || data[8]; + if (prox || wacom->id[1]) { wacom->id[1] = PAD_DEVICE_ID; wacom_report_key(wcombo, BTN_0, (data[7] & 0x08)); wacom_report_key(wcombo, BTN_1, (data[7] & 0x20)); @@ -275,27 +248,16 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) wacom_report_key(wcombo, BTN_5, (data[7] & 0x40)); wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f)); wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0); + if (!prox) + wacom->id[1] = 0; wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]); wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0); - } else if (wacom->id[1]) { - if (penData) { - wacom_input_sync(wcombo); /* sync last event */ - if (!wacom->id[0]) - penData = 0; - } - wacom->id[1] = 0; - wacom_report_key(wcombo, BTN_0, (data[7] & 0x08)); - wacom_report_key(wcombo, BTN_1, (data[7] & 0x20)); - wacom_report_key(wcombo, BTN_4, (data[7] & 0x10)); - wacom_report_key(wcombo, BTN_5, (data[7] & 0x40)); - wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f)); - wacom_report_key(wcombo, BTN_TOOL_FINGER, 0); - wacom_report_abs(wcombo, ABS_MISC, 0); - wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0); } + retval = 1; break; } - return 1; +exit: + return retval; } static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo) @@ -636,9 +598,9 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo) static void wacom_tpc_finger_in(struct wacom_wac *wacom, void *wcombo, char *data, int idx) { wacom_report_abs(wcombo, ABS_X, - (data[2 + idx * 2] & 0xff) | ((data[3 + idx * 2] & 0x7f) << 8)); + data[2 + idx * 2] | ((data[3 + idx * 2] & 0x7f) << 8)); wacom_report_abs(wcombo, ABS_Y, - (data[6 + idx * 2] & 0xff) | ((data[7 + idx * 2] & 0x7f) << 8)); + data[6 + idx * 2] | ((data[7 + idx * 2] & 0x7f) << 8)); wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); wacom_report_key(wcombo, wacom->tool[idx], 1); if (idx) @@ -782,31 +744,24 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, void *wcombo) touchInProx = 0; - if (prox) { /* in prox */ - if (!wacom->id[0]) { - /* Going into proximity select tool */ - wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN; - if (wacom->tool[0] == BTN_TOOL_PEN) - wacom->id[0] = STYLUS_DEVICE_ID; - else - wacom->id[0] = ERASER_DEVICE_ID; - } - wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02); - wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10); - wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2])); - wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4])); - pressure = ((data[7] & 0x01) << 8) | data[6]; - if (pressure < 0) - pressure = features->pressure_max + pressure + 1; - wacom_report_abs(wcombo, ABS_PRESSURE, pressure); - wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x05); - } else { - wacom_report_abs(wcombo, ABS_X, 0); - wacom_report_abs(wcombo, ABS_Y, 0); - wacom_report_abs(wcombo, ABS_PRESSURE, 0); - wacom_report_key(wcombo, BTN_STYLUS, 0); - wacom_report_key(wcombo, BTN_STYLUS2, 0); - wacom_report_key(wcombo, BTN_TOUCH, 0); + if (!wacom->id[0]) { /* first in prox */ + /* Going into proximity select tool */ + wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN; + if (wacom->tool[0] == BTN_TOOL_PEN) + wacom->id[0] = STYLUS_DEVICE_ID; + else + wacom->id[0] = ERASER_DEVICE_ID; + } + wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02); + wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10); + wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2])); + wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4])); + pressure = ((data[7] & 0x01) << 8) | data[6]; + if (pressure < 0) + pressure = features->pressure_max + pressure + 1; + wacom_report_abs(wcombo, ABS_PRESSURE, pressure); + wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x05); + if (!prox) { /* out-prox */ wacom->id[0] = 0; /* pen is out so touch can be enabled now */ touchInProx = 1; @@ -1028,7 +983,7 @@ static const struct wacom_features wacom_features_0x93 = static const struct wacom_features wacom_features_0x9A = { "Wacom ISDv4 9A", WACOM_PKGLEN_GRAPHIRE, 26202, 16325, 255, 0, TABLETPC }; static const struct wacom_features wacom_features_0x9F = - { "Wacom ISDv4 9F", WACOM_PKGLEN_PENABLED, 26202, 16325, 255, 0, TABLETPC }; + { "Wacom ISDv4 9F", WACOM_PKGLEN_GRAPHIRE, 26202, 16325, 255, 0, TABLETPC }; static const struct wacom_features wacom_features_0xE2 = { "Wacom ISDv4 E2", WACOM_PKGLEN_TPC2FG, 26202, 16325, 255, 0, TABLETPC2FG }; static const struct wacom_features wacom_features_0xE3 = diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h index 8590b1e8ec3..b50cf04e61a 100644 --- a/drivers/input/tablet/wacom_wac.h +++ b/drivers/input/tablet/wacom_wac.h @@ -17,7 +17,6 @@ #define WACOM_PKGLEN_GRAPHIRE 8 #define WACOM_PKGLEN_BBFUN 9 #define WACOM_PKGLEN_INTUOS 10 -#define WACOM_PKGLEN_PENABLED 8 #define WACOM_PKGLEN_TPC1FG 5 #define WACOM_PKGLEN_TPC2FG 14 diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 7208654a94a..8a8fa4d2d6a 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -24,17 +24,18 @@ config TOUCHSCREEN_88PM860X module will be called 88pm860x-ts. config TOUCHSCREEN_ADS7846 - tristate "ADS7846/TSC2046 and ADS7843 based touchscreens" + tristate "ADS7846/TSC2046/AD7873 and AD(S)7843 based touchscreens" depends on SPI_MASTER depends on HWMON = n || HWMON help Say Y here if you have a touchscreen interface using the - ADS7846/TSC2046 or ADS7843 controller, and your board-specific - setup code includes that in its table of SPI devices. + ADS7846/TSC2046/AD7873 or ADS7843/AD7843 controller, + and your board-specific setup code includes that in its + table of SPI devices. If HWMON is selected, and the driver is told the reference voltage on your board, you will also get hwmon interfaces for the voltage - (and on ads7846/tsc2046, temperature) sensors of this chip. + (and on ads7846/tsc2046/ad7873, temperature) sensors of this chip. If unsure, say N (but it's safe to say "Y"). diff --git a/drivers/input/touchscreen/ad7877.c b/drivers/input/touchscreen/ad7877.c index eb83939c705..e019d53d1ab 100644 --- a/drivers/input/touchscreen/ad7877.c +++ b/drivers/input/touchscreen/ad7877.c @@ -46,7 +46,7 @@ #include <linux/spi/ad7877.h> #include <asm/irq.h> -#define TS_PEN_UP_TIMEOUT msecs_to_jiffies(50) +#define TS_PEN_UP_TIMEOUT msecs_to_jiffies(100) #define MAX_SPI_FREQ_HZ 20000000 #define MAX_12BIT ((1<<12)-1) diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 8b05d8e9754..532279cda0e 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -36,6 +36,7 @@ * TSC2046 is just newer ads7846 silicon. * Support for ads7843 tested on Atmel at91sam926x-EK. * Support for ads7845 has only been stubbed in. + * Support for Analog Devices AD7873 and AD7843 tested. * * IRQ handling needs a workaround because of a shortcoming in handling * edge triggered IRQs on some platforms like the OMAP1/2. These @@ -821,6 +822,9 @@ static int ads7846_suspend(struct spi_device *spi, pm_message_t message) spin_unlock_irq(&ts->lock); + if (device_may_wakeup(&ts->spi->dev)) + enable_irq_wake(ts->spi->irq); + return 0; } @@ -829,6 +833,9 @@ static int ads7846_resume(struct spi_device *spi) { struct ads7846 *ts = dev_get_drvdata(&spi->dev); + if (device_may_wakeup(&ts->spi->dev)) + disable_irq_wake(ts->spi->irq); + spin_lock_irq(&ts->lock); ts->is_suspended = 0; @@ -984,6 +991,15 @@ static int __devinit ads7846_probe(struct spi_device *spi) vref = pdata->keep_vref_on; + if (ts->model == 7873) { + /* The AD7873 is almost identical to the ADS7846 + * keep VREF off during differential/ratiometric + * conversion modes + */ + ts->model = 7846; + vref = 0; + } + /* set up the transfers to read touchscreen state; this assumes we * use formula #2 for pressure, not #3. */ @@ -1191,6 +1207,8 @@ static int __devinit ads7846_probe(struct spi_device *spi) if (err) goto err_remove_attr_group; + device_init_wakeup(&spi->dev, pdata->wakeup); + return 0; err_remove_attr_group: @@ -1220,6 +1238,8 @@ static int __devexit ads7846_remove(struct spi_device *spi) { struct ads7846 *ts = dev_get_drvdata(&spi->dev); + device_init_wakeup(&spi->dev, false); + ads784x_hwmon_unregister(spi, ts); input_unregister_device(ts->input); diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c index 0903f539bf6..0a3b4ed38e4 100644 --- a/drivers/media/IR/ir-keytable.c +++ b/drivers/media/IR/ir-keytable.c @@ -123,7 +123,7 @@ static int ir_copy_table(struct ir_scancode_table *destin, * If the key is not found, returns -EINVAL, otherwise, returns 0. */ static int ir_getkeycode(struct input_dev *dev, - int scancode, int *keycode) + unsigned int scancode, unsigned int *keycode) { int elem; struct ir_input_dev *ir_dev = input_get_drvdata(dev); @@ -291,7 +291,7 @@ static int ir_insert_key(struct ir_scancode_table *rc_tab, * If the key is not found, returns -EINVAL, otherwise, returns 0. */ static int ir_setkeycode(struct input_dev *dev, - int scancode, int keycode) + unsigned int scancode, unsigned int keycode) { int rc = 0; struct ir_input_dev *ir_dev = input_get_drvdata(dev); diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c index a03ef7efec9..852fe89539c 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c +++ b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c @@ -9,7 +9,7 @@ #include <linux/usb/input.h> static int dvb_usb_getkeycode(struct input_dev *dev, - int scancode, int *keycode) + unsigned int scancode, unsigned int *keycode) { struct dvb_usb_device *d = input_get_drvdata(dev); @@ -39,7 +39,7 @@ static int dvb_usb_getkeycode(struct input_dev *dev, } static int dvb_usb_setkeycode(struct input_dev *dev, - int scancode, int keycode) + unsigned int scancode, unsigned int keycode) { struct dvb_usb_device *d = input_get_drvdata(dev); diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index d16af6a423f..2191c8d896a 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -268,6 +268,16 @@ config ISL29003 This driver can also be built as a module. If so, the module will be called isl29003. +config SENSORS_TSL2550 + tristate "Taos TSL2550 ambient light sensor" + depends on I2C && SYSFS + help + If you say yes here you get support for the Taos TSL2550 + ambient light sensor. + + This driver can also be built as a module. If so, the module + will be called tsl2550. + config EP93XX_PWM tristate "EP93xx PWM support" depends on ARCH_EP93XX diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index 049ff2482f3..27c48435541 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -21,6 +21,7 @@ obj-$(CONFIG_SGI_GRU) += sgi-gru/ obj-$(CONFIG_CS5535_MFGPT) += cs5535-mfgpt.o obj-$(CONFIG_HP_ILO) += hpilo.o obj-$(CONFIG_ISL29003) += isl29003.o +obj-$(CONFIG_SENSORS_TSL2550) += tsl2550.o obj-$(CONFIG_EP93XX_PWM) += ep93xx_pwm.o obj-$(CONFIG_DS1682) += ds1682.o obj-$(CONFIG_TI_DAC7512) += ti_dac7512.o diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 2cb2736d65a..db7d0f21b65 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -505,6 +505,7 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id) * Export the EEPROM bytes through sysfs, since that's convenient. * By default, only root should see the data (maybe passwords etc) */ + sysfs_bin_attr_init(&at24->bin); at24->bin.attr.name = "eeprom"; at24->bin.attr.mode = chip.flags & AT24_FLAG_IRUGO ? S_IRUGO : S_IRUSR; at24->bin.read = at24_bin_read; diff --git a/drivers/i2c/chips/tsl2550.c b/drivers/misc/tsl2550.c index a0702f36a72..483ae5f7f68 100644 --- a/drivers/i2c/chips/tsl2550.c +++ b/drivers/misc/tsl2550.c @@ -47,8 +47,8 @@ struct tsl2550_data { struct i2c_client *client; struct mutex update_lock; - unsigned int power_state : 1; - unsigned int operating_mode : 1; + unsigned int power_state:1; + unsigned int operating_mode:1; }; /* diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index 1b1dddbd574..bed764e3ea2 100644 --- a/drivers/platform/x86/dell-wmi.c +++ b/drivers/platform/x86/dell-wmi.c @@ -142,7 +142,7 @@ static struct key_entry *dell_wmi_keymap = dell_legacy_wmi_keymap; static struct input_dev *dell_wmi_input_dev; -static struct key_entry *dell_wmi_get_entry_by_scancode(int code) +static struct key_entry *dell_wmi_get_entry_by_scancode(unsigned int code) { struct key_entry *key; @@ -153,7 +153,7 @@ static struct key_entry *dell_wmi_get_entry_by_scancode(int code) return NULL; } -static struct key_entry *dell_wmi_get_entry_by_keycode(int keycode) +static struct key_entry *dell_wmi_get_entry_by_keycode(unsigned int keycode) { struct key_entry *key; @@ -164,8 +164,8 @@ static struct key_entry *dell_wmi_get_entry_by_keycode(int keycode) return NULL; } -static int dell_wmi_getkeycode(struct input_dev *dev, int scancode, - int *keycode) +static int dell_wmi_getkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int *keycode) { struct key_entry *key = dell_wmi_get_entry_by_scancode(scancode); @@ -177,13 +177,11 @@ static int dell_wmi_getkeycode(struct input_dev *dev, int scancode, return -EINVAL; } -static int dell_wmi_setkeycode(struct input_dev *dev, int scancode, int keycode) +static int dell_wmi_setkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int keycode) { struct key_entry *key; - int old_keycode; - - if (keycode < 0 || keycode > KEY_MAX) - return -EINVAL; + unsigned int old_keycode; key = dell_wmi_get_entry_by_scancode(scancode); if (key && key->type == KE_KEY) { diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 7ccf33c0896..56086363bec 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -278,7 +278,7 @@ static DEVICE_ATTR(als, S_IRUGO | S_IWUSR, show_als, set_als); static DEVICE_ATTR(dock, S_IRUGO, show_dock, NULL); static DEVICE_ATTR(tablet, S_IRUGO, show_tablet, NULL); -static struct key_entry *hp_wmi_get_entry_by_scancode(int code) +static struct key_entry *hp_wmi_get_entry_by_scancode(unsigned int code) { struct key_entry *key; @@ -289,7 +289,7 @@ static struct key_entry *hp_wmi_get_entry_by_scancode(int code) return NULL; } -static struct key_entry *hp_wmi_get_entry_by_keycode(int keycode) +static struct key_entry *hp_wmi_get_entry_by_keycode(unsigned int keycode) { struct key_entry *key; @@ -300,7 +300,8 @@ static struct key_entry *hp_wmi_get_entry_by_keycode(int keycode) return NULL; } -static int hp_wmi_getkeycode(struct input_dev *dev, int scancode, int *keycode) +static int hp_wmi_getkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int *keycode) { struct key_entry *key = hp_wmi_get_entry_by_scancode(scancode); @@ -312,13 +313,11 @@ static int hp_wmi_getkeycode(struct input_dev *dev, int scancode, int *keycode) return -EINVAL; } -static int hp_wmi_setkeycode(struct input_dev *dev, int scancode, int keycode) +static int hp_wmi_setkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int keycode) { struct key_entry *key; - int old_keycode; - - if (keycode < 0 || keycode > KEY_MAX) - return -EINVAL; + unsigned int old_keycode; key = hp_wmi_get_entry_by_scancode(scancode); if (key && key->type == KE_KEY) { diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c index fe7cf0188ac..c9fc479fc29 100644 --- a/drivers/platform/x86/panasonic-laptop.c +++ b/drivers/platform/x86/panasonic-laptop.c @@ -200,7 +200,7 @@ static struct acpi_driver acpi_pcc_driver = { }; #define KEYMAP_SIZE 11 -static const int initial_keymap[KEYMAP_SIZE] = { +static const unsigned int initial_keymap[KEYMAP_SIZE] = { /* 0 */ KEY_RESERVED, /* 1 */ KEY_BRIGHTNESSDOWN, /* 2 */ KEY_BRIGHTNESSUP, @@ -222,7 +222,7 @@ struct pcc_acpi { struct acpi_device *device; struct input_dev *input_dev; struct backlight_device *backlight; - int keymap[KEYMAP_SIZE]; + unsigned int keymap[KEYMAP_SIZE]; }; struct pcc_keyinput { @@ -445,7 +445,8 @@ static struct attribute_group pcc_attr_group = { /* hotkey input device driver */ -static int pcc_getkeycode(struct input_dev *dev, int scancode, int *keycode) +static int pcc_getkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int *keycode) { struct pcc_acpi *pcc = input_get_drvdata(dev); @@ -457,7 +458,7 @@ static int pcc_getkeycode(struct input_dev *dev, int scancode, int *keycode) return 0; } -static int keymap_get_by_keycode(struct pcc_acpi *pcc, int keycode) +static int keymap_get_by_keycode(struct pcc_acpi *pcc, unsigned int keycode) { int i; @@ -469,7 +470,8 @@ static int keymap_get_by_keycode(struct pcc_acpi *pcc, int keycode) return 0; } -static int pcc_setkeycode(struct input_dev *dev, int scancode, int keycode) +static int pcc_setkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int keycode) { struct pcc_acpi *pcc = input_get_drvdata(dev); int oldkeycode; @@ -477,9 +479,6 @@ static int pcc_setkeycode(struct input_dev *dev, int scancode, int keycode) if (scancode >= ARRAY_SIZE(pcc->keymap)) return -EINVAL; - if (keycode < 0 || keycode > KEY_MAX) - return -EINVAL; - oldkeycode = pcc->keymap[scancode]; pcc->keymap[scancode] = keycode; diff --git a/drivers/platform/x86/topstar-laptop.c b/drivers/platform/x86/topstar-laptop.c index 02f3d4e9e66..4d6516fded7 100644 --- a/drivers/platform/x86/topstar-laptop.c +++ b/drivers/platform/x86/topstar-laptop.c @@ -46,7 +46,7 @@ static struct tps_key_entry topstar_keymap[] = { { } }; -static struct tps_key_entry *tps_get_key_by_scancode(int code) +static struct tps_key_entry *tps_get_key_by_scancode(unsigned int code) { struct tps_key_entry *key; @@ -57,7 +57,7 @@ static struct tps_key_entry *tps_get_key_by_scancode(int code) return NULL; } -static struct tps_key_entry *tps_get_key_by_keycode(int code) +static struct tps_key_entry *tps_get_key_by_keycode(unsigned int code) { struct tps_key_entry *key; @@ -126,7 +126,8 @@ static int acpi_topstar_fncx_switch(struct acpi_device *device, bool state) return 0; } -static int topstar_getkeycode(struct input_dev *dev, int scancode, int *keycode) +static int topstar_getkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int *keycode) { struct tps_key_entry *key = tps_get_key_by_scancode(scancode); @@ -137,14 +138,12 @@ static int topstar_getkeycode(struct input_dev *dev, int scancode, int *keycode) return 0; } -static int topstar_setkeycode(struct input_dev *dev, int scancode, int keycode) +static int topstar_setkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int keycode) { struct tps_key_entry *key; int old_keycode; - if (keycode < 0 || keycode > KEY_MAX) - return -EINVAL; - key = tps_get_key_by_scancode(scancode); if (!key) diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 405b969734d..789240d1b57 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -745,7 +745,7 @@ static struct backlight_ops toshiba_backlight_data = { .update_status = set_lcd_status, }; -static struct key_entry *toshiba_acpi_get_entry_by_scancode(int code) +static struct key_entry *toshiba_acpi_get_entry_by_scancode(unsigned int code) { struct key_entry *key; @@ -756,7 +756,7 @@ static struct key_entry *toshiba_acpi_get_entry_by_scancode(int code) return NULL; } -static struct key_entry *toshiba_acpi_get_entry_by_keycode(int code) +static struct key_entry *toshiba_acpi_get_entry_by_keycode(unsigned int code) { struct key_entry *key; @@ -767,8 +767,8 @@ static struct key_entry *toshiba_acpi_get_entry_by_keycode(int code) return NULL; } -static int toshiba_acpi_getkeycode(struct input_dev *dev, int scancode, - int *keycode) +static int toshiba_acpi_getkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int *keycode) { struct key_entry *key = toshiba_acpi_get_entry_by_scancode(scancode); @@ -780,14 +780,11 @@ static int toshiba_acpi_getkeycode(struct input_dev *dev, int scancode, return -EINVAL; } -static int toshiba_acpi_setkeycode(struct input_dev *dev, int scancode, - int keycode) +static int toshiba_acpi_setkeycode(struct input_dev *dev, + unsigned int scancode, unsigned int keycode) { struct key_entry *key; - int old_keycode; - - if (keycode < 0 || keycode > KEY_MAX) - return -EINVAL; + unsigned int old_keycode; key = toshiba_acpi_get_entry_by_scancode(scancode); if (key && key->type == KE_KEY) { diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h index 79000bf6249..6b801d1ddf4 100644 --- a/fs/9p/v9fs.h +++ b/fs/9p/v9fs.h @@ -24,7 +24,7 @@ /** * enum p9_session_flags - option flags for each 9P session * @V9FS_PROTO_2000U: whether or not to use 9P2000.u extensions - * @V9FS_PROTO_2010L: whether or not to use 9P2010.l extensions + * @V9FS_PROTO_2000L: whether or not to use 9P2000.l extensions * @V9FS_ACCESS_SINGLE: only the mounting user can access the hierarchy * @V9FS_ACCESS_USER: a new attach will be issued for every user (default) * @V9FS_ACCESS_ANY: use a single attach for all users @@ -34,7 +34,7 @@ */ enum p9_session_flags { V9FS_PROTO_2000U = 0x01, - V9FS_PROTO_2010L = 0x02, + V9FS_PROTO_2000L = 0x02, V9FS_ACCESS_SINGLE = 0x04, V9FS_ACCESS_USER = 0x08, V9FS_ACCESS_ANY = 0x0C, @@ -130,5 +130,5 @@ static inline int v9fs_proto_dotu(struct v9fs_session_info *v9ses) static inline int v9fs_proto_dotl(struct v9fs_session_info *v9ses) { - return v9ses->flags & V9FS_PROTO_2010L; + return v9ses->flags & V9FS_PROTO_2000L; } diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c index 6580aa44954..d8a3afe4ff7 100644 --- a/fs/9p/vfs_dir.c +++ b/fs/9p/vfs_dir.c @@ -76,6 +76,15 @@ static inline int dt_type(struct p9_wstat *mistat) return rettype; } +static void p9stat_init(struct p9_wstat *stbuf) +{ + stbuf->name = NULL; + stbuf->uid = NULL; + stbuf->gid = NULL; + stbuf->muid = NULL; + stbuf->extension = NULL; +} + /** * v9fs_dir_readdir - read a directory * @filp: opened file structure @@ -131,8 +140,8 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir) rdir->head = 0; rdir->tail = err; } - while (rdir->head < rdir->tail) { + p9stat_init(&st); err = p9stat_read(rdir->buf + rdir->head, buflen - rdir->head, &st, fid->clnt->proto_version); diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 36122683fae..df52d488d2a 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -114,7 +114,7 @@ static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl) P9_DPRINTK(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl); /* No mandatory locks */ - if (__mandatory_lock(inode)) + if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK) return -ENOLCK; if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) { @@ -215,7 +215,7 @@ v9fs_file_write(struct file *filp, const char __user * data, struct p9_fid *fid; struct p9_client *clnt; struct inode *inode = filp->f_path.dentry->d_inode; - int origin = *offset; + loff_t origin = *offset; unsigned long pg_start, pg_end; P9_DPRINTK(P9_DEBUG_VFS, "data %p count %d offset %x\n", data, diff --git a/fs/nilfs2/alloc.h b/fs/nilfs2/alloc.h index f4543ac4f56..5cccf874d69 100644 --- a/fs/nilfs2/alloc.h +++ b/fs/nilfs2/alloc.h @@ -42,7 +42,7 @@ void *nilfs_palloc_block_get_entry(const struct inode *, __u64, const struct buffer_head *, void *); /** - * nilfs_palloc_req - persistent alloctor request and reply + * nilfs_palloc_req - persistent allocator request and reply * @pr_entry_nr: entry number (vblocknr or inode number) * @pr_desc_bh: buffer head of the buffer containing block group descriptors * @pr_bitmap_bh: buffer head of the buffer containing a block group bitmap diff --git a/fs/nilfs2/dat.c b/fs/nilfs2/dat.c index 9d1e5de91af..01314675568 100644 --- a/fs/nilfs2/dat.c +++ b/fs/nilfs2/dat.c @@ -288,7 +288,7 @@ int nilfs_dat_mark_dirty(struct inode *dat, __u64 vblocknr) * @vblocknrs and @nitems. * * Return Value: On success, 0 is returned. On error, one of the following - * nagative error codes is returned. + * negative error codes is returned. * * %-EIO - I/O error. * diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c index 0092840492e..85c89dfc71f 100644 --- a/fs/nilfs2/dir.c +++ b/fs/nilfs2/dir.c @@ -396,7 +396,7 @@ nilfs_find_entry(struct inode *dir, const struct qstr *qstr, /* next page is past the blocks we've got */ if (unlikely(n > (dir->i_blocks >> (PAGE_CACHE_SHIFT - 9)))) { nilfs_error(dir->i_sb, __func__, - "dir %lu size %lld exceeds block cout %llu", + "dir %lu size %lld exceeds block count %llu", dir->i_ino, dir->i_size, (unsigned long long)dir->i_blocks); goto out; diff --git a/fs/nilfs2/gcinode.c b/fs/nilfs2/gcinode.c index e16a6664dfa..8880a9e281e 100644 --- a/fs/nilfs2/gcinode.c +++ b/fs/nilfs2/gcinode.c @@ -28,10 +28,10 @@ * gcinodes), and this file provides lookup function of the dummy * inodes and their buffer read function. * - * Since NILFS2 keeps up multiple checkpoints/snapshots accross GC, it + * Since NILFS2 keeps up multiple checkpoints/snapshots across GC, it * has to treat blocks that belong to a same file but have different * checkpoint numbers. To avoid interference among generations, dummy - * inodes are managed separatly from actual inodes, and their lookup + * inodes are managed separately from actual inodes, and their lookup * function (nilfs_gc_iget) is designed to be specified with a * checkpoint number argument as well as an inode number. * diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c index a2692bbc7b5..fc246dba112 100644 --- a/fs/nilfs2/page.c +++ b/fs/nilfs2/page.c @@ -292,7 +292,7 @@ void nilfs_free_private_page(struct page *page) * @src: source page * @copy_dirty: flag whether to copy dirty states on the page's buffer heads. * - * This fuction is for both data pages and btnode pages. The dirty flag + * This function is for both data pages and btnode pages. The dirty flag * should be treated by caller. The page must not be under i/o. * Both src and dst page must be locked */ @@ -388,7 +388,7 @@ repeat: } /** - * nilfs_copy_back_pages -- copy back pages to orignal cache from shadow cache + * nilfs_copy_back_pages -- copy back pages to original cache from shadow cache * @dmap: destination page cache * @smap: source page cache * diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c index ab56fe44e37..636eaafd6ea 100644 --- a/fs/nilfs2/segbuf.c +++ b/fs/nilfs2/segbuf.c @@ -32,7 +32,7 @@ struct nilfs_write_info { struct the_nilfs *nilfs; struct bio *bio; - int start, end; /* The region to be submitted */ + int start, end; /* The region to be submitted */ int rest_blocks; int max_pages; int nr_vecs; @@ -174,7 +174,7 @@ int nilfs_segbuf_reset(struct nilfs_segment_buffer *segbuf, unsigned flags, } /* - * Setup segument summary + * Setup segment summary */ void nilfs_segbuf_fill_in_segsum(struct nilfs_segment_buffer *segbuf) { @@ -470,8 +470,8 @@ static int nilfs_segbuf_submit_bh(struct nilfs_segment_buffer *segbuf, * * %-ENOMEM - Insufficient memory available. */ -int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf, - struct the_nilfs *nilfs) +static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf, + struct the_nilfs *nilfs) { struct nilfs_write_info wi; struct buffer_head *bh; @@ -514,7 +514,7 @@ int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf, * * %-EIO - I/O error */ -int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf) +static int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf) { int err = 0; diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index ada2f1b947a..69576a95e13 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -141,7 +141,7 @@ int nilfs_init_transaction_cache(void) } /** - * nilfs_detroy_transaction_cache - destroy the cache for transaction info + * nilfs_destroy_transaction_cache - destroy the cache for transaction info * * nilfs_destroy_transaction_cache() frees the slab cache for the struct * nilfs_transaction_info. @@ -201,7 +201,7 @@ static int nilfs_prepare_segment_lock(struct nilfs_transaction_info *ti) * This function allocates a nilfs_transaction_info struct to keep context * information on it. It is initialized and hooked onto the current task in * the outermost call. If a pre-allocated struct is given to @ti, it is used - * instead; othewise a new struct is assigned from a slab. + * instead; otherwise a new struct is assigned from a slab. * * When @vacancy_check flag is set, this function will check the amount of * free space, and will wait for the GC to reclaim disk space if low capacity. @@ -2214,7 +2214,7 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode) } /** - * nilfs_secgtor_start_timer - set timer of background write + * nilfs_segctor_start_timer - set timer of background write * @sci: nilfs_sc_info * * If the timer has already been set, it ignores the new request. @@ -2854,7 +2854,7 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci) * @sbi: nilfs_sb_info * * nilfs_attach_segment_constructor() allocates a struct nilfs_sc_info, - * initilizes it, and starts the segment constructor. + * initializes it, and starts the segment constructor. * * Return Value: On success, 0 is returned. On error, one of the following * negative error code is returned. diff --git a/fs/nilfs2/segment.h b/fs/nilfs2/segment.h index 3155e0c7f41..82dfd6a686b 100644 --- a/fs/nilfs2/segment.h +++ b/fs/nilfs2/segment.h @@ -30,7 +30,7 @@ #include "sb.h" /** - * struct nilfs_recovery_info - Recovery infomation + * struct nilfs_recovery_info - Recovery information * @ri_need_recovery: Recovery status * @ri_super_root: Block number of the last super root * @ri_ri_cno: Number of the last checkpoint @@ -71,7 +71,7 @@ struct nilfs_recovery_info { */ struct nilfs_cstage { int scnt; - unsigned flags; + unsigned flags; struct nilfs_inode_info *dirty_file_ptr; struct nilfs_inode_info *gc_inode_ptr; }; diff --git a/fs/nilfs2/sufile.c b/fs/nilfs2/sufile.c index b6c36d0cc33..3c6cc6005c2 100644 --- a/fs/nilfs2/sufile.c +++ b/fs/nilfs2/sufile.c @@ -18,7 +18,7 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * Written by Koji Sato <koji@osrg.net>. - * Rivised by Ryusuke Konishi <ryusuke@osrg.net>. + * Revised by Ryusuke Konishi <ryusuke@osrg.net>. */ #include <linux/kernel.h> diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 92579cc4c93..0cdbc5e7655 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -436,7 +436,7 @@ static int nilfs_statfs(struct dentry *dentry, struct kstatfs *buf) /* * Compute the overhead * - * When distributing meta data blocks outside semgent structure, + * When distributing meta data blocks outside segment structure, * We must count them as the overhead. */ overhead = 0; @@ -866,7 +866,7 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data) if ((*flags & MS_RDONLY) && sbi->s_snapshot_cno != old_opts.snapshot_cno) { printk(KERN_WARNING "NILFS (device %s): couldn't " - "remount to a different snapshot. \n", + "remount to a different snapshot.\n", sb->s_id); err = -EINVAL; goto restore_opts; diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index 92733d5651d..33871f7e4f0 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -386,7 +386,7 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs, nilfs->ns_blocks_per_segment = le32_to_cpu(sbp->s_blocks_per_segment); if (nilfs->ns_blocks_per_segment < NILFS_SEG_MIN_BLOCKS) { - printk(KERN_ERR "NILFS: too short segment. \n"); + printk(KERN_ERR "NILFS: too short segment.\n"); return -EINVAL; } diff --git a/include/linux/i2c-algo-bit.h b/include/linux/i2c-algo-bit.h index 111334f5b92..4f98148c11c 100644 --- a/include/linux/i2c-algo-bit.h +++ b/include/linux/i2c-algo-bit.h @@ -36,6 +36,8 @@ struct i2c_algo_bit_data { void (*setscl) (void *data, int state); int (*getsda) (void *data); int (*getscl) (void *data); + int (*pre_xfer) (struct i2c_adapter *); + void (*post_xfer) (struct i2c_adapter *); /* local settings */ int udelay; /* half clock cycle time in us, diff --git a/include/linux/i2c-xiic.h b/include/linux/i2c-xiic.h new file mode 100644 index 00000000000..4f9f2256a97 --- /dev/null +++ b/include/linux/i2c-xiic.h @@ -0,0 +1,43 @@ +/* + * i2c-xiic.h + * Copyright (c) 2009 Intel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* Supports: + * Xilinx IIC + */ + +#ifndef _LINUX_I2C_XIIC_H +#define _LINUX_I2C_XIIC_H + +/** + * struct xiic_i2c_platform_data - Platform data of the Xilinx I2C driver + * @num_devices: Number of devices that shall be added when the driver + * is probed. + * @devices: The actuall devices to add. + * + * This purpose of this platform data struct is to be able to provide a number + * of devices that should be added to the I2C bus. The reason is that sometimes + * the I2C board info is not enough, a new PCI board can for instance be + * plugged into a standard PC, and the bus number might be unknown at + * early init time. + */ +struct xiic_i2c_platform_data { + u8 num_devices; + struct i2c_board_info const *devices; +}; + +#endif /* _LINUX_I2C_XIIC_H */ diff --git a/include/linux/input.h b/include/linux/input.h index dc24effb6d0..7ed2251b33f 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -58,10 +58,10 @@ struct input_absinfo { #define EVIOCGVERSION _IOR('E', 0x01, int) /* get driver version */ #define EVIOCGID _IOR('E', 0x02, struct input_id) /* get device ID */ -#define EVIOCGREP _IOR('E', 0x03, int[2]) /* get repeat settings */ -#define EVIOCSREP _IOW('E', 0x03, int[2]) /* set repeat settings */ -#define EVIOCGKEYCODE _IOR('E', 0x04, int[2]) /* get keycode */ -#define EVIOCSKEYCODE _IOW('E', 0x04, int[2]) /* set keycode */ +#define EVIOCGREP _IOR('E', 0x03, unsigned int[2]) /* get repeat settings */ +#define EVIOCSREP _IOW('E', 0x03, unsigned int[2]) /* set repeat settings */ +#define EVIOCGKEYCODE _IOR('E', 0x04, unsigned int[2]) /* get keycode */ +#define EVIOCSKEYCODE _IOW('E', 0x04, unsigned int[2]) /* set keycode */ #define EVIOCGNAME(len) _IOC(_IOC_READ, 'E', 0x06, len) /* get device name */ #define EVIOCGPHYS(len) _IOC(_IOC_READ, 'E', 0x07, len) /* get physical location */ @@ -1142,8 +1142,10 @@ struct input_dev { unsigned int keycodemax; unsigned int keycodesize; void *keycode; - int (*setkeycode)(struct input_dev *dev, int scancode, int keycode); - int (*getkeycode)(struct input_dev *dev, int scancode, int *keycode); + int (*setkeycode)(struct input_dev *dev, + unsigned int scancode, unsigned int keycode); + int (*getkeycode)(struct input_dev *dev, + unsigned int scancode, unsigned int *keycode); struct ff_device *ff; @@ -1415,8 +1417,10 @@ static inline void input_set_abs_params(struct input_dev *dev, int axis, int min dev->absbit[BIT_WORD(axis)] |= BIT_MASK(axis); } -int input_get_keycode(struct input_dev *dev, int scancode, int *keycode); -int input_set_keycode(struct input_dev *dev, int scancode, int keycode); +int input_get_keycode(struct input_dev *dev, + unsigned int scancode, unsigned int *keycode); +int input_set_keycode(struct input_dev *dev, + unsigned int scancode, unsigned int keycode); extern struct class input_class; diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h index 51948eb6927..b4ae570d3c9 100644 --- a/include/linux/spi/ads7846.h +++ b/include/linux/spi/ads7846.h @@ -12,7 +12,7 @@ enum ads7846_filter { }; struct ads7846_platform_data { - u16 model; /* 7843, 7845, 7846. */ + u16 model; /* 7843, 7845, 7846, 7873. */ u16 vref_delay_usecs; /* 0 for external vref; etc */ u16 vref_mv; /* external vref value, milliVolts */ bool keep_vref_on; /* set to keep vref on for differential @@ -53,5 +53,6 @@ struct ads7846_platform_data { int (*filter) (void *filter_data, int data_idx, int *val); void (*filter_cleanup)(void *filter_data); void (*wait_for_sync)(void); + bool wakeup; }; diff --git a/include/linux/virtio.h b/include/linux/virtio.h index f508c651e53..40d1709bdbf 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -98,6 +98,7 @@ struct virtio_device { void *priv; }; +#define dev_to_virtio(dev) container_of(dev, struct virtio_device, dev) int register_virtio_device(struct virtio_device *dev); void unregister_virtio_device(struct virtio_device *dev); diff --git a/include/linux/virtio_9p.h b/include/linux/virtio_9p.h index 33227508008..5cf11765146 100644 --- a/include/linux/virtio_9p.h +++ b/include/linux/virtio_9p.h @@ -5,4 +5,16 @@ #include <linux/virtio_ids.h> #include <linux/virtio_config.h> +/* The feature bitmap for virtio 9P */ + +/* The mount point is specified in a config variable */ +#define VIRTIO_9P_MOUNT_TAG 0 + +struct virtio_9p_config { + /* length of the tag name */ + __u16 tag_len; + /* non-NULL terminated tag name */ + __u8 tag[0]; +} __attribute__((packed)); + #endif /* _LINUX_VIRTIO_9P_H */ diff --git a/include/net/9p/client.h b/include/net/9p/client.h index 52e1fff709e..f076dfa75ae 100644 --- a/include/net/9p/client.h +++ b/include/net/9p/client.h @@ -32,13 +32,13 @@ /** enum p9_proto_versions - 9P protocol versions * @p9_proto_legacy: 9P Legacy mode, pre-9P2000.u * @p9_proto_2000u: 9P2000.u extension - * @p9_proto_2010L: 9P2010.L extension + * @p9_proto_2000L: 9P2000.L extension */ enum p9_proto_versions{ p9_proto_legacy = 0, p9_proto_2000u = 1, - p9_proto_2010L = 2, + p9_proto_2000L = 2, }; diff --git a/net/9p/client.c b/net/9p/client.c index bde9f3d38c5..e3e5bf4469c 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -60,7 +60,7 @@ static const match_table_t tokens = { inline int p9_is_proto_dotl(struct p9_client *clnt) { - return (clnt->proto_version == p9_proto_2010L); + return (clnt->proto_version == p9_proto_2000L); } EXPORT_SYMBOL(p9_is_proto_dotl); @@ -80,9 +80,9 @@ static unsigned char get_protocol_version(const substring_t *name) } else if (!strncmp("9p2000.u", name->from, name->to-name->from)) { version = p9_proto_2000u; P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.u\n"); - } else if (!strncmp("9p2010.L", name->from, name->to-name->from)) { - version = p9_proto_2010L; - P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2010.L\n"); + } else if (!strncmp("9p2000.L", name->from, name->to-name->from)) { + version = p9_proto_2000L; + P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.L\n"); } else { P9_DPRINTK(P9_DEBUG_ERROR, "Unknown protocol version %s. ", name->from); @@ -672,9 +672,9 @@ int p9_client_version(struct p9_client *c) c->msize, c->proto_version); switch (c->proto_version) { - case p9_proto_2010L: + case p9_proto_2000L: req = p9_client_rpc(c, P9_TVERSION, "ds", - c->msize, "9P2010.L"); + c->msize, "9P2000.L"); break; case p9_proto_2000u: req = p9_client_rpc(c, P9_TVERSION, "ds", @@ -700,8 +700,8 @@ int p9_client_version(struct p9_client *c) } P9_DPRINTK(P9_DEBUG_9P, "<<< RVERSION msize %d %s\n", msize, version); - if (!strncmp(version, "9P2010.L", 8)) - c->proto_version = p9_proto_2010L; + if (!strncmp(version, "9P2000.L", 8)) + c->proto_version = p9_proto_2000L; else if (!strncmp(version, "9P2000.u", 8)) c->proto_version = p9_proto_2000u; else if (!strncmp(version, "9P2000", 6)) diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 0aaed481937..afde1a89fbb 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -78,6 +78,12 @@ struct virtio_chan { /* Scatterlist: can be too big for stack. */ struct scatterlist sg[VIRTQUEUE_NUM]; + int tag_len; + /* + * tag name to identify a mount Non-null terminated + */ + char *tag; + struct list_head chan_list; }; @@ -214,6 +220,20 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req) return 0; } +static ssize_t p9_mount_tag_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct virtio_chan *chan; + struct virtio_device *vdev; + + vdev = dev_to_virtio(dev); + chan = vdev->priv; + + return snprintf(buf, chan->tag_len + 1, "%s", chan->tag); +} + +static DEVICE_ATTR(mount_tag, 0444, p9_mount_tag_show, NULL); + /** * p9_virtio_probe - probe for existence of 9P virtio channels * @vdev: virtio device to probe @@ -224,6 +244,8 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req) static int p9_virtio_probe(struct virtio_device *vdev) { + __u16 tag_len; + char *tag; int err; struct virtio_chan *chan; @@ -248,6 +270,28 @@ static int p9_virtio_probe(struct virtio_device *vdev) sg_init_table(chan->sg, VIRTQUEUE_NUM); chan->inuse = false; + if (virtio_has_feature(vdev, VIRTIO_9P_MOUNT_TAG)) { + vdev->config->get(vdev, + offsetof(struct virtio_9p_config, tag_len), + &tag_len, sizeof(tag_len)); + } else { + err = -EINVAL; + goto out_free_vq; + } + tag = kmalloc(tag_len, GFP_KERNEL); + if (!tag) { + err = -ENOMEM; + goto out_free_vq; + } + vdev->config->get(vdev, offsetof(struct virtio_9p_config, tag), + tag, tag_len); + chan->tag = tag; + chan->tag_len = tag_len; + err = sysfs_create_file(&(vdev->dev.kobj), &dev_attr_mount_tag.attr); + if (err) { + kfree(tag); + goto out_free_vq; + } mutex_lock(&virtio_9p_lock); list_add_tail(&chan->chan_list, &virtio_chan_list); mutex_unlock(&virtio_9p_lock); @@ -284,7 +328,7 @@ p9_virtio_create(struct p9_client *client, const char *devname, char *args) mutex_lock(&virtio_9p_lock); list_for_each_entry(chan, &virtio_chan_list, chan_list) { - if (!strcmp(devname, dev_name(&chan->vdev->dev))) { + if (!strncmp(devname, chan->tag, chan->tag_len)) { if (!chan->inuse) { chan->inuse = true; found = 1; @@ -323,6 +367,8 @@ static void p9_virtio_remove(struct virtio_device *vdev) mutex_lock(&virtio_9p_lock); list_del(&chan->chan_list); mutex_unlock(&virtio_9p_lock); + sysfs_remove_file(&(vdev->dev.kobj), &dev_attr_mount_tag.attr); + kfree(chan->tag); kfree(chan); } @@ -332,13 +378,19 @@ static struct virtio_device_id id_table[] = { { 0 }, }; +static unsigned int features[] = { + VIRTIO_9P_MOUNT_TAG, +}; + /* The standard "struct lguest_driver": */ static struct virtio_driver p9_virtio_drv = { - .driver.name = KBUILD_MODNAME, - .driver.owner = THIS_MODULE, - .id_table = id_table, - .probe = p9_virtio_probe, - .remove = p9_virtio_remove, + .feature_table = features, + .feature_table_size = ARRAY_SIZE(features), + .driver.name = KBUILD_MODNAME, + .driver.owner = THIS_MODULE, + .id_table = id_table, + .probe = p9_virtio_probe, + .remove = p9_virtio_remove, }; static struct p9_trans_module p9_virtio_trans = { |