diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/Kconfig | 20 | ||||
| -rw-r--r-- | drivers/hwmon/Makefile | 1 | ||||
| -rw-r--r-- | drivers/hwmon/adm1025.c | 2 | ||||
| -rw-r--r-- | drivers/hwmon/adm1026.c | 2 | ||||
| -rw-r--r-- | drivers/hwmon/asus_atk0110.c | 1 | ||||
| -rw-r--r-- | drivers/hwmon/f75375s.c | 4 | ||||
| -rw-r--r-- | drivers/hwmon/fschmd.c | 6 | ||||
| -rw-r--r-- | drivers/hwmon/g760a.c | 2 | ||||
| -rw-r--r-- | drivers/hwmon/hdaps.c | 637 | ||||
| -rw-r--r-- | drivers/hwmon/hwmon-vid.c | 2 | ||||
| -rw-r--r-- | drivers/hwmon/w83793.c | 6 |
11 files changed, 13 insertions, 670 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 97499d00615a..e382da3122b7 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1088,26 +1088,6 @@ config SENSORS_ULTRA45 This driver provides support for the Ultra45 workstation environmental sensors. -config SENSORS_HDAPS - tristate "IBM Hard Drive Active Protection System (hdaps)" - depends on INPUT && X86 - select INPUT_POLLDEV - default n - help - This driver provides support for the IBM Hard Drive Active Protection - System (hdaps), which provides an accelerometer and other misc. data. - ThinkPads starting with the R50, T41, and X40 are supported. The - accelerometer data is readable via sysfs. - - This driver also provides an absolute input class device, allowing - the laptop to act as a pinball machine-esque joystick. - - If your ThinkPad is not recognized by the driver, please update to latest - BIOS. This is especially the case for some R52 ThinkPads. - - Say Y here if you have an applicable laptop and want to experience - the awesome power of hdaps. - config SENSORS_LIS3_SPI tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer (SPI)" depends on !ACPI && SPI_MASTER && INPUT diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index e3c2484f6c5f..ec9cb735c898 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -52,7 +52,6 @@ obj-$(CONFIG_SENSORS_G760A) += g760a.o obj-$(CONFIG_SENSORS_GL518SM) += gl518sm.o obj-$(CONFIG_SENSORS_GL520SM) += gl520sm.o obj-$(CONFIG_SENSORS_ULTRA45) += ultra45_env.o -obj-$(CONFIG_SENSORS_HDAPS) += hdaps.o obj-$(CONFIG_SENSORS_I5K_AMB) += i5k_amb.o obj-$(CONFIG_SENSORS_IBMAEM) += ibmaem.o obj-$(CONFIG_SENSORS_IBMPEX) += ibmpex.o diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c index 251b63165e2a..60befc0ee65f 100644 --- a/drivers/hwmon/adm1025.c +++ b/drivers/hwmon/adm1025.c @@ -12,7 +12,7 @@ * resolution of about 0.5% of the nominal value). Temperature values are * reported with a 1 deg resolution and a 3 deg accuracy. Complete * datasheet can be obtained from Analog's website at: - * http://www.analog.com/Analog_Root/productPage/productHome/0,2121,ADM1025,00.html + * http://www.onsemi.com/PowerSolutions/product.do?id=ADM1025 * * This driver also supports the ADM1025A, which differs from the ADM1025 * only in that it has "open-drain VID inputs while the ADM1025 has diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c index 65335b268fa9..4bf969c0a32b 100644 --- a/drivers/hwmon/adm1026.c +++ b/drivers/hwmon/adm1026.c @@ -6,7 +6,7 @@ Chip details at: - <http://www.analog.com/UploadedFiles/Data_Sheets/779263102ADM1026_a.pdf> + <http://www.onsemi.com/PowerSolutions/product.do?id=ADM1026> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c index 653db1bda934..23b8555215d2 100644 --- a/drivers/hwmon/asus_atk0110.c +++ b/drivers/hwmon/asus_atk0110.c @@ -762,6 +762,7 @@ static const struct file_operations atk_debugfs_ggrp_fops = { .read = atk_debugfs_ggrp_read, .open = atk_debugfs_ggrp_open, .release = atk_debugfs_ggrp_release, + .llseek = no_llseek, }; static void atk_debugfs_init(struct atk_data *data) diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c index 9638d58f99fd..95cbfb3a7077 100644 --- a/drivers/hwmon/f75375s.c +++ b/drivers/hwmon/f75375s.c @@ -6,10 +6,10 @@ * Datasheets available at: * * f75375: - * http://www.fintek.com.tw/files/productfiles/2005111152950.pdf + * http://www.fintek.com.tw/files/productfiles/F75375_V026P.pdf * * f75373: - * http://www.fintek.com.tw/files/productfiles/2005111153128.pdf + * http://www.fintek.com.tw/files/productfiles/F75373_V025P.pdf * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c index b7ca2a9676cf..d4d4ca65d371 100644 --- a/drivers/hwmon/fschmd.c +++ b/drivers/hwmon/fschmd.c @@ -38,7 +38,6 @@ #include <linux/i2c.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> -#include <linux/smp_lock.h> #include <linux/err.h> #include <linux/mutex.h> #include <linux/sysfs.h> @@ -50,6 +49,7 @@ #include <linux/kref.h> /* Addresses to scan */ +static DEFINE_MUTEX(watchdog_mutex); static const unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END }; /* Insmod parameters */ @@ -858,7 +858,7 @@ static long watchdog_ioctl(struct file *filp, unsigned int cmd, unsigned long ar int i, ret = 0; struct fschmd_data *data = filp->private_data; - lock_kernel(); + mutex_lock(&watchdog_mutex); switch (cmd) { case WDIOC_GETSUPPORT: ident.firmware_version = data->revision; @@ -915,7 +915,7 @@ static long watchdog_ioctl(struct file *filp, unsigned int cmd, unsigned long ar default: ret = -ENOTTY; } - unlock_kernel(); + mutex_unlock(&watchdog_mutex); return ret; } diff --git a/drivers/hwmon/g760a.c b/drivers/hwmon/g760a.c index 1f63d1a3af5e..1d6a6fa31fb4 100644 --- a/drivers/hwmon/g760a.c +++ b/drivers/hwmon/g760a.c @@ -5,7 +5,7 @@ Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org> Complete datasheet is available at GMT's website: - http://www.gmt.com.tw/datasheet/g760a.pdf + http://www.gmt.com.tw/product/datasheet/EDS-760A.pdf This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c deleted file mode 100644 index bfd42f18924b..000000000000 --- a/drivers/hwmon/hdaps.c +++ /dev/null @@ -1,637 +0,0 @@ -/* - * drivers/hwmon/hdaps.c - driver for IBM's Hard Drive Active Protection System - * - * Copyright (C) 2005 Robert Love <rml@novell.com> - * Copyright (C) 2005 Jesper Juhl <jesper.juhl@gmail.com> - * - * The HardDisk Active Protection System (hdaps) is present in IBM ThinkPads - * starting with the R40, T41, and X40. It provides a basic two-axis - * accelerometer and other data, such as the device's temperature. - * - * This driver is based on the document by Mark A. Smith available at - * http://www.almaden.ibm.com/cs/people/marksmith/tpaps.html and a lot of trial - * and error. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License v2 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 Street, Fifth Floor, Boston, MA 02110-1301, USA - */ - -#include <linux/delay.h> -#include <linux/platform_device.h> -#include <linux/input-polldev.h> -#include <linux/kernel.h> -#include <linux/mutex.h> -#include <linux/module.h> -#include <linux/timer.h> -#include <linux/dmi.h> -#include <linux/jiffies.h> -#include <linux/io.h> - -#define HDAPS_LOW_PORT 0x1600 /* first port used by hdaps */ -#define HDAPS_NR_PORTS 0x30 /* number of ports: 0x1600 - 0x162f */ - -#define HDAPS_PORT_STATE 0x1611 /* device state */ -#define HDAPS_PORT_YPOS 0x1612 /* y-axis position */ -#define HDAPS_PORT_XPOS 0x1614 /* x-axis position */ -#define HDAPS_PORT_TEMP1 0x1616 /* device temperature, in Celsius */ -#define HDAPS_PORT_YVAR 0x1617 /* y-axis variance (what is this?) */ -#define HDAPS_PORT_XVAR 0x1619 /* x-axis variance (what is this?) */ -#define HDAPS_PORT_TEMP2 0x161b /* device temperature (again?) */ -#define HDAPS_PORT_UNKNOWN 0x161c /* what is this? */ -#define HDAPS_PORT_KMACT 0x161d /* keyboard or mouse activity */ - -#define STATE_FRESH 0x50 /* accelerometer data is fresh */ - -#define KEYBD_MASK 0x20 /* set if keyboard activity */ -#define MOUSE_MASK 0x40 /* set if mouse activity */ -#define KEYBD_ISSET(n) (!! (n & KEYBD_MASK)) /* keyboard used? */ -#define MOUSE_ISSET(n) (!! (n & MOUSE_MASK)) /* mouse used? */ - -#define INIT_TIMEOUT_MSECS 4000 /* wait up to 4s for device init ... */ -#define INIT_WAIT_MSECS 200 /* ... in 200ms increments */ - -#define HDAPS_POLL_INTERVAL 50 /* poll for input every 1/20s (50 ms)*/ -#define HDAPS_INPUT_FUZZ 4 /* input event threshold */ -#define HDAPS_INPUT_FLAT 4 - -#define HDAPS_X_AXIS (1 << 0) -#define HDAPS_Y_AXIS (1 << 1) -#define HDAPS_BOTH_AXES (HDAPS_X_AXIS | HDAPS_Y_AXIS) - -static struct platform_device *pdev; -static struct input_polled_dev *hdaps_idev; -static unsigned int hdaps_invert; -static u8 km_activity; -static int rest_x; -static int rest_y; - -static DEFINE_MUTEX(hdaps_mtx); - -/* - * __get_latch - Get the value from a given port. Callers must hold hdaps_mtx. - */ -static inline u8 __get_latch(u16 port) -{ - return inb(port) & 0xff; -} - -/* - * __check_latch - Check a port latch for a given value. Returns zero if the - * port contains the given value. Callers must hold hdaps_mtx. - */ -static inline int __check_latch(u16 port, u8 val) -{ - if (__get_latch(port) == val) - return 0; - return -EINVAL; -} - -/* - * __wait_latch - Wait up to 100us for a port latch to get a certain value, - * returning zero if the value is obtained. Callers must hold hdaps_mtx. - */ -static int __wait_latch(u16 port, u8 val) -{ - unsigned int i; - - for (i = 0; i < 20; i++) { - if (!__check_latch(port, val)) - return 0; - udelay(5); - } - - return -EIO; -} - -/* - * __device_refresh - request a refresh from the accelerometer. Does not wait - * for refresh to complete. Callers must hold hdaps_mtx. - */ -static void __device_refresh(void) -{ - udelay(200); - if (inb(0x1604) != STATE_FRESH) { - outb(0x11, 0x1610); - outb(0x01, 0x161f); - } -} - -/* - * __device_refresh_sync - request a synchronous refresh from the - * accelerometer. We wait for the refresh to complete. Returns zero if - * successful and nonzero on error. Callers must hold hdaps_mtx. - */ -static int __device_refresh_sync(void) -{ - __device_refresh(); - return __wait_latch(0x1604, STATE_FRESH); -} - -/* - * __device_complete - indicate to the accelerometer that we are done reading - * data, and then initiate an async refresh. Callers must hold hdaps_mtx. - */ -static inline void __device_complete(void) -{ - inb(0x161f); - inb(0x1604); - __device_refresh(); -} - -/* - * hdaps_readb_one - reads a byte from a single I/O port, placing the value in - * the given pointer. Returns zero on success or a negative error on failure. - * Can sleep. - */ -static int hdaps_readb_one(unsigned int port, u8 *val) -{ - int ret; - - mutex_lock(&hdaps_mtx); - - /* do a sync refresh -- we need to be sure that we read fresh data */ - ret = __device_refresh_sync(); - if (ret) - goto out; - - *val = inb(port); - __device_complete(); - -out: - mutex_unlock(&hdaps_mtx); - return ret; -} - -/* __hdaps_read_pair - internal lockless helper for hdaps_read_pair(). */ -static int __hdaps_read_pair(unsigned int port1, unsigned int port2, - int *x, int *y) -{ - /* do a sync refresh -- we need to be sure that we read fresh data */ - if (__device_refresh_sync()) - return -EIO; - - *y = inw(port2); - *x = inw(port1); - km_activity = inb(HDAPS_PORT_KMACT); - __device_complete(); - - /* hdaps_invert is a bitvector to negate the axes */ - if (hdaps_invert & HDAPS_X_AXIS) - *x = -*x; - if (hdaps_invert & HDAPS_Y_AXIS) - *y = -*y; - - return 0; -} - -/* - * hdaps_read_pair - reads the values from a pair of ports, placing the values - * in the given pointers. Returns zero on success. Can sleep. - */ -static int hdaps_read_pair(unsigned int port1, unsigned int port2, - int *val1, int *val2) -{ - int ret; - - mutex_lock(&hdaps_mtx); - ret = __hdaps_read_pair(port1, port2, val1, val2); - mutex_unlock(&hdaps_mtx); - - return ret; -} - -/* - * hdaps_device_init - initialize the accelerometer. Returns zero on success - * and negative error code on failure. Can sleep. - */ -static int hdaps_device_init(void) -{ - int total, ret = -ENXIO; - - mutex_lock(&hdaps_mtx); - - outb(0x13, 0x1610); - outb(0x01, 0x161f); - if (__wait_latch(0x161f, 0x00)) - goto out; - - /* - * Most ThinkPads return 0x01. - * - * Others--namely the R50p, T41p, and T42p--return 0x03. These laptops - * have "inverted" axises. - * - * The 0x02 value occurs when the chip has been previously initialized. - */ - if (__check_latch(0x1611, 0x03) && - __check_latch(0x1611, 0x02) && - __check_latch(0x1611, 0x01)) - goto out; - - printk(KERN_DEBUG "hdaps: initial latch check good (0x%02x).\n", - __get_latch(0x1611)); - - outb(0x17, 0x1610); - outb(0x81, 0x1611); - outb(0x01, 0x161f); - if (__wait_latch(0x161f, 0x00)) - goto out; - if (__wait_latch(0x1611, 0x00)) - goto out; - if (__wait_latch(0x1612, 0x60)) - goto out; - if (__wait_latch(0x1613, 0x00)) - goto out; - outb(0x14, 0x1610); - outb(0x01, 0x1611); - outb(0x01, 0x161f); - if (__wait_latch(0x161f, 0x00)) - goto out; - outb(0x10, 0x1610); - outb(0xc8, 0x1611); - outb(0x00, 0x1612); - outb(0x02, 0x1613); - outb(0x01, 0x161f); - if (__wait_latch(0x161f, 0x00)) - goto out; - if (__device_refresh_sync()) - goto out; - if (__wait_latch(0x1611, 0x00)) - goto out; - - /* we have done our dance, now let's wait for the applause */ - for (total = INIT_TIMEOUT_MSECS; total > 0; total -= INIT_WAIT_MSECS) { - int x, y; - - /* a read of the device helps push it into action */ - __hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &x, &y); - if (!__wait_latch(0x1611, 0x02)) { - ret = 0; - break; - } - - msleep(INIT_WAIT_MSECS); - } - -out: - mutex_unlock(&hdaps_mtx); - return ret; -} - - -/* Device model stuff */ - -static int hdaps_probe(struct platform_device *dev) -{ - int ret; - - ret = hdaps_device_init(); - if (ret) - return ret; - - printk(KERN_INFO "hdaps: device successfully initialized.\n"); - return 0; -} - -static int hdaps_resume(struct platform_device *dev) -{ - return hdaps_device_init(); -} - -static struct platform_driver hdaps_driver = { - .probe = hdaps_probe, - .resume = hdaps_resume, - .driver = { - .name = "hdaps", - .owner = THIS_MODULE, - }, -}; - -/* - * hdaps_calibrate - Set our "resting" values. Callers must hold hdaps_mtx. - */ -static void hdaps_calibrate(void) -{ - __hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &rest_x, &rest_y); -} - -static void hdaps_mousedev_poll(struct input_polled_dev *dev) -{ - struct input_dev *input_dev = dev->input; - int x, y; - - mutex_lock(&hdaps_mtx); - - if (__hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &x, &y)) - goto out; - - input_report_abs(input_dev, ABS_X, x - rest_x); - input_report_abs(input_dev, ABS_Y, y - rest_y); - input_sync(input_dev); - -out: - mutex_unlock(&hdaps_mtx); -} - - -/* Sysfs Files */ - -static ssize_t hdaps_position_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int ret, x, y; - - ret = hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &x, &y); - if (ret) - return ret; - - return sprintf(buf, "(%d,%d)\n", x, y); -} - -static ssize_t hdaps_variance_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int ret, x, y; - - ret = hdaps_read_pair(HDAPS_PORT_XVAR, HDAPS_PORT_YVAR, &x, &y); - if (ret) - return ret; - - return sprintf(buf, "(%d,%d)\n", x, y); -} - -static ssize_t hdaps_temp1_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - u8 temp; - int ret; - - ret = hdaps_readb_one(HDAPS_PORT_TEMP1, &temp); - if (ret < 0) - return ret; - - return sprintf(buf, "%u\n", temp); -} - -static ssize_t hdaps_temp2_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - u8 temp; - int ret; - - ret = hdaps_readb_one(HDAPS_PORT_TEMP2, &temp); - if (ret < 0) - return ret; - - return sprintf(buf, "%u\n", temp); -} - -static ssize_t hdaps_keyboard_activity_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "%u\n", KEYBD_ISSET(km_activity)); -} - -static ssize_t hdaps_mouse_activity_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "%u\n", MOUSE_ISSET(km_activity)); -} - -static ssize_t hdaps_calibrate_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "(%d,%d)\n", rest_x, rest_y); -} - -static ssize_t hdaps_calibrate_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - mutex_lock(&hdaps_mtx); - hdaps_calibrate(); - mutex_unlock(&hdaps_mtx); - - return count; -} - -static ssize_t hdaps_invert_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "%u\n", hdaps_invert); -} - -static ssize_t hdaps_invert_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - int invert; - - if (sscanf(buf, "%d", &invert) != 1 || - invert < 0 || invert > HDAPS_BOTH_AXES) - return -EINVAL; - - hdaps_invert = invert; - hdaps_calibrate(); - - return count; -} - -static DEVICE_ATTR(position, 0444, hdaps_position_show, NULL); -static DEVICE_ATTR(variance, 0444, hdaps_variance_show, NULL); -static DEVICE_ATTR(temp1, 0444, hdaps_temp1_show, NULL); -static DEVICE_ATTR(temp2, 0444, hdaps_temp2_show, NULL); -static DEVICE_ATTR(keyboard_activity, 0444, hdaps_keyboard_activity_show, NULL); -static DEVICE_ATTR(mouse_activity, 0444, hdaps_mouse_activity_show, NULL); -static DEVICE_ATTR(calibrate, 0644, hdaps_calibrate_show,hdaps_calibrate_store); -static DEVICE_ATTR(invert, 0644, hdaps_invert_show, hdaps_invert_store); - -static struct attribute *hdaps_attributes[] = { - &dev_attr_position.attr, - &dev_attr_variance.attr, - &dev_attr_temp1.attr, - &dev_attr_temp2.attr, - &dev_attr_keyboard_activity.attr, - &dev_attr_mouse_activity.attr, - &dev_attr_calibrate.attr, - &dev_attr_invert.attr, - NULL, -}; - -static struct attribute_group hdaps_attribute_group = { - .attrs = hdaps_attributes, -}; - - -/* Module stuff */ - -/* hdaps_dmi_match - found a match. return one, short-circuiting the hunt. */ -static int __init hdaps_dmi_match(const struct dmi_system_id *id) -{ - printk(KERN_INFO "hdaps: %s detected.\n", id->ident); - return 1; -} - -/* hdaps_dmi_match_invert - found an inverted match. */ -static int __init hdaps_dmi_match_invert(const struct dmi_system_id *id) -{ - hdaps_invert = (unsigned long)id->driver_data; - printk(KERN_INFO "hdaps: inverting axis (%u) readings.\n", - hdaps_invert); - return hdaps_dmi_match(id); -} - -#define HDAPS_DMI_MATCH_INVERT(vendor, model, axes) { \ - .ident = vendor " " model, \ - .callback = hdaps_dmi_match_invert, \ - .driver_data = (void *)axes, \ - .matches = { \ - DMI_MATCH(DMI_BOARD_VENDOR, vendor), \ - DMI_MATCH(DMI_PRODUCT_VERSION, model) \ - } \ -} - -#define HDAPS_DMI_MATCH_NORMAL(vendor, model) \ - HDAPS_DMI_MATCH_INVERT(vendor, model, 0) - -/* Note that HDAPS_DMI_MATCH_NORMAL("ThinkPad T42") would match - "ThinkPad T42p", so the order of the entries matters. - If your ThinkPad is not recognized, please update to latest - BIOS. This is especially the case for some R52 ThinkPads. */ -static struct dmi_system_id __initdata hdaps_whitelist[] = { - HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad R50p", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R50"), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R51"), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R52"), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61i", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T41p", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T41"), - HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T42p", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T42"), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T43"), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T400", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T60", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61p", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad X40"), - HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad X41", HDAPS_Y_AXIS), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X60", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61s", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad Z60m"), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61m", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61p", HDAPS_BOTH_AXES), - { .ident = NULL } -}; - -static int __init hdaps_init(void) -{ - struct input_dev *idev; - int ret; - - if (!dmi_check_system(hdaps_whitelist)) { - printk(KERN_WARNING "hdaps: supported laptop not found!\n"); - ret = -ENODEV; - goto out; - } - - if (!request_region(HDAPS_LOW_PORT, HDAPS_NR_PORTS, "hdaps")) { - ret = -ENXIO; - goto out; - } - - ret = platform_driver_register(&hdaps_driver); - if (ret) - goto out_region; - - pdev = platform_device_register_simple("hdaps", -1, NULL, 0); - if (IS_ERR(pdev)) { - ret = PTR_ERR(pdev); - goto out_driver; - } - - ret = sysfs_create_group(&pdev->dev.kobj, &hdaps_attribute_group); - if (ret) - goto out_device; - - hdaps_idev = input_allocate_polled_device(); - if (!hdaps_idev) { - ret = -ENOMEM; - goto out_group; - } - - hdaps_idev->poll = hdaps_mousedev_poll; - hdaps_idev->poll_interval = HDAPS_POLL_INTERVAL; - - /* initial calibrate for the input device */ - hdaps_calibrate(); - - /* initialize the input class */ - idev = hdaps_idev->input; - idev->name = "hdaps"; - idev->phys = "isa1600/input0"; - idev->id.bustype = BUS_ISA; - idev->dev.parent = &pdev->dev; - idev->evbit[0] = BIT_MASK(EV_ABS); - input_set_abs_params(idev, ABS_X, - -256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT); - input_set_abs_params(idev, ABS_Y, - -256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT); - - ret = input_register_polled_device(hdaps_idev); - if (ret) - goto out_idev; - - printk(KERN_INFO "hdaps: driver successfully loaded.\n"); - return 0; - -out_idev: - input_free_polled_device(hdaps_idev); -out_group: - sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group); -out_device: - platform_device_unregister(pdev); -out_driver: - platform_driver_unregister(&hdaps_driver); -out_region: - release_region(HDAPS_LOW_PORT, HDAPS_NR_PORTS); -out: - printk(KERN_WARNING "hdaps: driver init failed (ret=%d)!\n", ret); - return ret; -} - -static void __exit hdaps_exit(void) -{ - input_unregister_polled_device(hdaps_idev); - input_free_polled_device(hdaps_idev); - sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group); - platform_device_unregister(pdev); - platform_driver_unregister(&hdaps_driver); - release_region(HDAPS_LOW_PORT, HDAPS_NR_PORTS); - - printk(KERN_INFO "hdaps: driver unloaded.\n"); -} - -module_init(hdaps_init); -module_exit(hdaps_exit); - -module_param_named(invert, hdaps_invert, int, 0); -MODULE_PARM_DESC(invert, "invert data along each axis. 1 invert x-axis, " - "2 invert y-axis, 3 invert both axes."); - -MODULE_AUTHOR("Robert Love"); -MODULE_DESCRIPTION("IBM Hard Drive Active Protection System (HDAPS) driver"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c index bf0862a803c0..2b2ca1694f95 100644 --- a/drivers/hwmon/hwmon-vid.c +++ b/drivers/hwmon/hwmon-vid.c @@ -38,7 +38,7 @@ * available at http://developer.intel.com/. * * AMD Athlon 64 and AMD Opteron Processors, AMD Publication 26094, - * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/26094.PDF + * http://support.amd.com/us/Processor_TechDocs/26094.PDF * Table 74. VID Code Voltages * This corresponds to an arbitrary VRM code of 24 in the functions below. * These CPU models (K8 revision <= E) have 5 VID pins. See also: diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index 697202e27891..8e540ada47d2 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -35,7 +35,6 @@ #include <linux/slab.h> #include <linux/i2c.h> #include <linux/hwmon.h> -#include <linux/smp_lock.h> #include <linux/hwmon-vid.h> #include <linux/hwmon-sysfs.h> #include <linux/err.h> @@ -52,6 +51,7 @@ #define WATCHDOG_TIMEOUT 2 /* 2 minute default timeout */ /* Addresses to scan */ +static DEFINE_MUTEX(watchdog_mutex); static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; @@ -1333,7 +1333,7 @@ static long watchdog_ioctl(struct file *filp, unsigned int cmd, int val, ret = 0; struct w83793_data *data = filp->private_data; - lock_kernel(); + mutex_lock(&watchdog_mutex); switch (cmd) { case WDIOC_GETSUPPORT: if (!nowayout) @@ -1387,7 +1387,7 @@ static long watchdog_ioctl(struct file *filp, unsigned int cmd, default: ret = -ENOTTY; } - unlock_kernel(); + mutex_unlock(&watchdog_mutex); return ret; } |