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Merge branch 'power-supply-scope' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen

Browse source
This commit is contained in:
Anton Vorontsov 2012-01-04 09:09:35 +04:00
commit 251f39fe42
10955 changed files with 605363 additions and 382663 deletions
Download patch file Download diff file Expand all files Collapse all files

1
drivers/power/Kconfig
View file

@ -70,6 +70,7 @@ config BATTERY_DS2760
config BATTERY_DS2780
tristate "DS2780 battery driver"
depends on HAS_IOMEM
select W1
select W1_SLAVE_DS2780
help

86
drivers/power/ds2780_battery.c
View file

@ -39,6 +39,7 @@ struct ds2780_device_info {
struct device *dev;
struct power_supply bat;
struct device *w1_dev;
struct task_struct *mutex_holder;
};
enum current_types {
@ -49,8 +50,8 @@ enum current_types {
static const char model[] = "DS2780";
static const char manufacturer[] = "Maxim/Dallas";
static inline struct ds2780_device_info *to_ds2780_device_info(
struct power_supply *psy)
static inline struct ds2780_device_info *
to_ds2780_device_info(struct power_supply *psy)
{
return container_of(psy, struct ds2780_device_info, bat);
}
@ -60,17 +61,28 @@ static inline struct power_supply *to_power_supply(struct device *dev)
return dev_get_drvdata(dev);
}
static inline int ds2780_read8(struct device *dev, u8 *val, int addr)
static inline int ds2780_battery_io(struct ds2780_device_info *dev_info,
char *buf, int addr, size_t count, int io)
{
return w1_ds2780_io(dev, val, addr, sizeof(u8), 0);
if (dev_info->mutex_holder == current)
return w1_ds2780_io_nolock(dev_info->w1_dev, buf, addr, count, io);
else
return w1_ds2780_io(dev_info->w1_dev, buf, addr, count, io);
}
static int ds2780_read16(struct device *dev, s16 *val, int addr)
static inline int ds2780_read8(struct ds2780_device_info *dev_info, u8 *val,
int addr)
{
return ds2780_battery_io(dev_info, val, addr, sizeof(u8), 0);
}
static int ds2780_read16(struct ds2780_device_info *dev_info, s16 *val,
int addr)
{
int ret;
u8 raw[2];
ret = w1_ds2780_io(dev, raw, addr, sizeof(u8) * 2, 0);
ret = ds2780_battery_io(dev_info, raw, addr, sizeof(raw), 0);
if (ret < 0)
return ret;
@ -79,16 +91,16 @@ static int ds2780_read16(struct device *dev, s16 *val, int addr)
return 0;
}
static inline int ds2780_read_block(struct device *dev, u8 *val, int addr,
size_t count)
static inline int ds2780_read_block(struct ds2780_device_info *dev_info,
u8 *val, int addr, size_t count)
{
return w1_ds2780_io(dev, val, addr, count, 0);
return ds2780_battery_io(dev_info, val, addr, count, 0);
}
static inline int ds2780_write(struct device *dev, u8 *val, int addr,
size_t count)
static inline int ds2780_write(struct ds2780_device_info *dev_info, u8 *val,
int addr, size_t count)
{
return w1_ds2780_io(dev, val, addr, count, 1);
return ds2780_battery_io(dev_info, val, addr, count, 1);
}
static inline int ds2780_store_eeprom(struct device *dev, int addr)
@ -122,7 +134,7 @@ static int ds2780_set_sense_register(struct ds2780_device_info *dev_info,
{
int ret;
ret = ds2780_write(dev_info->w1_dev, &conductance,
ret = ds2780_write(dev_info, &conductance,
DS2780_RSNSP_REG, sizeof(u8));
if (ret < 0)
return ret;
@ -134,7 +146,7 @@ static int ds2780_set_sense_register(struct ds2780_device_info *dev_info,
static int ds2780_get_rsgain_register(struct ds2780_device_info *dev_info,
u16 *rsgain)
{
return ds2780_read16(dev_info->w1_dev, rsgain, DS2780_RSGAIN_MSB_REG);
return ds2780_read16(dev_info, rsgain, DS2780_RSGAIN_MSB_REG);
}
/* Set RSGAIN value from 0 to 1.999 in steps of 0.001 */
@ -144,8 +156,8 @@ static int ds2780_set_rsgain_register(struct ds2780_device_info *dev_info,
int ret;
u8 raw[] = {rsgain >> 8, rsgain & 0xFF};
ret = ds2780_write(dev_info->w1_dev, raw,
DS2780_RSGAIN_MSB_REG, sizeof(u8) * 2);
ret = ds2780_write(dev_info, raw,
DS2780_RSGAIN_MSB_REG, sizeof(raw));
if (ret < 0)
return ret;
@ -167,7 +179,7 @@ static int ds2780_get_voltage(struct ds2780_device_info *dev_info,
* Bits 2 - 0 of the voltage value are in bits 7 - 5 of the
* voltage LSB register
*/
ret = ds2780_read16(dev_info->w1_dev, &voltage_raw,
ret = ds2780_read16(dev_info, &voltage_raw,
DS2780_VOLT_MSB_REG);
if (ret < 0)
return ret;
@ -196,7 +208,7 @@ static int ds2780_get_temperature(struct ds2780_device_info *dev_info,
* Bits 2 - 0 of the temperature value are in bits 7 - 5 of the
* temperature LSB register
*/
ret = ds2780_read16(dev_info->w1_dev, &temperature_raw,
ret = ds2780_read16(dev_info, &temperature_raw,
DS2780_TEMP_MSB_REG);
if (ret < 0)
return ret;
@ -222,13 +234,13 @@ static int ds2780_get_current(struct ds2780_device_info *dev_info,
* The units of measurement for current are dependent on the value of
* the sense resistor.
*/
ret = ds2780_read8(dev_info->w1_dev, &sense_res_raw, DS2780_RSNSP_REG);
ret = ds2780_read8(dev_info, &sense_res_raw, DS2780_RSNSP_REG);
if (ret < 0)
return ret;
if (sense_res_raw == 0) {
dev_err(dev_info->dev, "sense resistor value is 0\n");
return -ENXIO;
return -EINVAL;
}
sense_res = 1000 / sense_res_raw;
@ -248,7 +260,7 @@ static int ds2780_get_current(struct ds2780_device_info *dev_info,
* Bits 7 - 0 of the current value are in bits 7 - 0 of the current
* LSB register
*/
ret = ds2780_read16(dev_info->w1_dev, &current_raw, reg_msb);
ret = ds2780_read16(dev_info, &current_raw, reg_msb);
if (ret < 0)
return ret;
@ -267,7 +279,7 @@ static int ds2780_get_accumulated_current(struct ds2780_device_info *dev_info,
* The units of measurement for accumulated current are dependent on
* the value of the sense resistor.
*/
ret = ds2780_read8(dev_info->w1_dev, &sense_res_raw, DS2780_RSNSP_REG);
ret = ds2780_read8(dev_info, &sense_res_raw, DS2780_RSNSP_REG);
if (ret < 0)
return ret;
@ -285,7 +297,7 @@ static int ds2780_get_accumulated_current(struct ds2780_device_info *dev_info,
* Bits 7 - 0 of the ACR value are in bits 7 - 0 of the ACR
* LSB register
*/
ret = ds2780_read16(dev_info->w1_dev, &current_raw, DS2780_ACR_MSB_REG);
ret = ds2780_read16(dev_info, &current_raw, DS2780_ACR_MSB_REG);
if (ret < 0)
return ret;
@ -299,7 +311,7 @@ static int ds2780_get_capacity(struct ds2780_device_info *dev_info,
int ret;
u8 raw;
ret = ds2780_read8(dev_info->w1_dev, &raw, DS2780_RARC_REG);
ret = ds2780_read8(dev_info, &raw, DS2780_RARC_REG);
if (ret < 0)
return ret;
@ -345,7 +357,7 @@ static int ds2780_get_charge_now(struct ds2780_device_info *dev_info,
* Bits 7 - 0 of the RAAC value are in bits 7 - 0 of the RAAC
* LSB register
*/
ret = ds2780_read16(dev_info->w1_dev, &charge_raw, DS2780_RAAC_MSB_REG);
ret = ds2780_read16(dev_info, &charge_raw, DS2780_RAAC_MSB_REG);
if (ret < 0)
return ret;
@ -356,7 +368,7 @@ static int ds2780_get_charge_now(struct ds2780_device_info *dev_info,
static int ds2780_get_control_register(struct ds2780_device_info *dev_info,
u8 *control_reg)
{
return ds2780_read8(dev_info->w1_dev, control_reg, DS2780_CONTROL_REG);
return ds2780_read8(dev_info, control_reg, DS2780_CONTROL_REG);
}
static int ds2780_set_control_register(struct ds2780_device_info *dev_info,
@ -364,7 +376,7 @@ static int ds2780_set_control_register(struct ds2780_device_info *dev_info,
{
int ret;
ret = ds2780_write(dev_info->w1_dev, &control_reg,
ret = ds2780_write(dev_info, &control_reg,
DS2780_CONTROL_REG, sizeof(u8));
if (ret < 0)
return ret;
@ -503,7 +515,7 @@ static ssize_t ds2780_get_sense_resistor_value(struct device *dev,
struct power_supply *psy = to_power_supply(dev);
struct ds2780_device_info *dev_info = to_ds2780_device_info(psy);
ret = ds2780_read8(dev_info->w1_dev, &sense_resistor, DS2780_RSNSP_REG);
ret = ds2780_read8(dev_info, &sense_resistor, DS2780_RSNSP_REG);
if (ret < 0)
return ret;
@ -584,7 +596,7 @@ static ssize_t ds2780_get_pio_pin(struct device *dev,
struct power_supply *psy = to_power_supply(dev);
struct ds2780_device_info *dev_info = to_ds2780_device_info(psy);
ret = ds2780_read8(dev_info->w1_dev, &sfr, DS2780_SFR_REG);
ret = ds2780_read8(dev_info, &sfr, DS2780_SFR_REG);
if (ret < 0)
return ret;
@ -611,7 +623,7 @@ static ssize_t ds2780_set_pio_pin(struct device *dev,
return -EINVAL;
}
ret = ds2780_write(dev_info->w1_dev, &new_setting,
ret = ds2780_write(dev_info, &new_setting,
DS2780_SFR_REG, sizeof(u8));
if (ret < 0)
return ret;
@ -632,7 +644,7 @@ static ssize_t ds2780_read_param_eeprom_bin(struct file *filp,
DS2780_EEPROM_BLOCK1_END -
DS2780_EEPROM_BLOCK1_START + 1 - off);
return ds2780_read_block(dev_info->w1_dev, buf,
return ds2780_read_block(dev_info, buf,
DS2780_EEPROM_BLOCK1_START + off, count);
}
@ -650,7 +662,7 @@ static ssize_t ds2780_write_param_eeprom_bin(struct file *filp,
DS2780_EEPROM_BLOCK1_END -
DS2780_EEPROM_BLOCK1_START + 1 - off);
ret = ds2780_write(dev_info->w1_dev, buf,
ret = ds2780_write(dev_info, buf,
DS2780_EEPROM_BLOCK1_START + off, count);
if (ret < 0)
return ret;
@ -685,9 +697,8 @@ static ssize_t ds2780_read_user_eeprom_bin(struct file *filp,
DS2780_EEPROM_BLOCK0_END -
DS2780_EEPROM_BLOCK0_START + 1 - off);
return ds2780_read_block(dev_info->w1_dev, buf,
return ds2780_read_block(dev_info, buf,
DS2780_EEPROM_BLOCK0_START + off, count);
}
static ssize_t ds2780_write_user_eeprom_bin(struct file *filp,
@ -704,7 +715,7 @@ static ssize_t ds2780_write_user_eeprom_bin(struct file *filp,
DS2780_EEPROM_BLOCK0_END -
DS2780_EEPROM_BLOCK0_START + 1 - off);
ret = ds2780_write(dev_info->w1_dev, buf,
ret = ds2780_write(dev_info, buf,
DS2780_EEPROM_BLOCK0_START + off, count);
if (ret < 0)
return ret;
@ -768,6 +779,7 @@ static int __devinit ds2780_battery_probe(struct platform_device *pdev)
dev_info->bat.properties = ds2780_battery_props;
dev_info->bat.num_properties = ARRAY_SIZE(ds2780_battery_props);
dev_info->bat.get_property = ds2780_battery_get_property;
dev_info->mutex_holder = current;
ret = power_supply_register(&pdev->dev, &dev_info->bat);
if (ret) {
@ -797,6 +809,8 @@ static int __devinit ds2780_battery_probe(struct platform_device *pdev)
goto fail_remove_bin_file;
}
dev_info->mutex_holder = NULL;
return 0;
fail_remove_bin_file:
@ -816,6 +830,8 @@ static int __devexit ds2780_battery_remove(struct platform_device *pdev)
{
struct ds2780_device_info *dev_info = platform_get_drvdata(pdev);
dev_info->mutex_holder = current;
/* remove attributes */
sysfs_remove_group(&dev_info->bat.dev->kobj, &ds2780_attr_group);

1
drivers/power/max17042_battery.c
View file

@ -23,6 +23,7 @@
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/mod_devicetable.h>

1
drivers/power/max8903_charger.c
View file

@ -22,6 +22,7 @@
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/power_supply.h>
#include <linux/platform_device.h>

1
drivers/power/max8997_charger.c
View file

@ -19,6 +19,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/module.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/slab.h>

1
drivers/power/max8998_charger.c
View file

@ -19,6 +19,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/module.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/slab.h>

7
drivers/power/power_supply_core.c
View file

@ -147,6 +147,12 @@ struct power_supply *power_supply_get_by_name(char *name)
}
EXPORT_SYMBOL_GPL(power_supply_get_by_name);
int power_supply_powers(struct power_supply *psy, struct device *dev)
{
return sysfs_create_link_nowarn(&psy->dev->kobj, &dev->kobj, "powers");
}
EXPORT_SYMBOL_GPL(power_supply_powers);
static void power_supply_dev_release(struct device *dev)
{
pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
@ -202,6 +208,7 @@ EXPORT_SYMBOL_GPL(power_supply_register);
void power_supply_unregister(struct power_supply *psy)
{
cancel_work_sync(&psy->changed_work);
sysfs_remove_link(&psy->dev->kobj, "powers");
power_supply_remove_triggers(psy);
device_unregister(psy->dev);
}

7
drivers/power/power_supply_sysfs.c
View file

@ -14,6 +14,7 @@
#include <linux/ctype.h>
#include <linux/power_supply.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include "power_supply.h"
@ -62,6 +63,9 @@ static ssize_t power_supply_show_property(struct device *dev,
static char *capacity_level_text[] = {
"Unknown", "Critical", "Low", "Normal", "High", "Full"
};
static char *scope_text[] = {
"Unknown", "System", "Device"
};
ssize_t ret = 0;
struct power_supply *psy = dev_get_drvdata(dev);
const ptrdiff_t off = attr - power_supply_attrs;
@ -94,6 +98,8 @@ static ssize_t power_supply_show_property(struct device *dev,
return sprintf(buf, "%s\n", capacity_level_text[value.intval]);
else if (off == POWER_SUPPLY_PROP_TYPE)
return sprintf(buf, "%s\n", type_text[value.intval]);
else if (off == POWER_SUPPLY_PROP_SCOPE)
return sprintf(buf, "%s\n", scope_text[value.intval]);
else if (off >= POWER_SUPPLY_PROP_MODEL_NAME)
return sprintf(buf, "%s\n", value.strval);
@ -166,6 +172,7 @@ static struct device_attribute power_supply_attrs[] = {
POWER_SUPPLY_ATTR(time_to_full_now),
POWER_SUPPLY_ATTR(time_to_full_avg),
POWER_SUPPLY_ATTR(type),
POWER_SUPPLY_ATTR(scope),
/* Properties of type `const char *' */
POWER_SUPPLY_ATTR(model_name),
POWER_SUPPLY_ATTR(manufacturer),