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power supply fixes for the v4.5 series

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Add a regression fix for changed sysfs path of
 bq27xxx_battery and update MAINTAINERS file.
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Merge tag 'for-v4.5-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply fixes from Sebastian Reichel:
 "Add a regression fix for changed sysfs path of bq27xxx_battery and
  update MAINTAINERS file"

* tag 'for-v4.5-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power: bq27xxx_battery: Restore device name
  MAINTAINERS: update bq27xxx driver
This commit is contained in:
Linus Torvalds 2016-02-25 18:42:08 -08:00
commit 1ebe3839e6
3 changed files with 43 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
MAINTAINERS
View File

@ -7686,13 +7686,13 @@ S: Maintained
F: arch/nios2/
NOKIA N900 POWER SUPPLY DRIVERS
M: Pali Rohár <pali.rohar@gmail.com>
S: Maintained
R: Pali Rohár <pali.rohar@gmail.com>
F: include/linux/power/bq2415x_charger.h
F: include/linux/power/bq27xxx_battery.h
F: include/linux/power/isp1704_charger.h
F: drivers/power/bq2415x_charger.c
F: drivers/power/bq27xxx_battery.c
F: drivers/power/bq27xxx_battery_i2c.c
F: drivers/power/isp1704_charger.c
F: drivers/power/rx51_battery.c
@ -9558,6 +9558,12 @@ M: Andreas Noever <andreas.noever@gmail.com>
S: Maintained
F: drivers/thunderbolt/
TI BQ27XXX POWER SUPPLY DRIVER
R: Andrew F. Davis <afd@ti.com>
F: include/linux/power/bq27xxx_battery.h
F: drivers/power/bq27xxx_battery.c
F: drivers/power/bq27xxx_battery_i2c.c
TIMEKEEPING, CLOCKSOURCE CORE, NTP, ALARMTIMER
M: John Stultz <john.stultz@linaro.org>
M: Thomas Gleixner <tglx@linutronix.de>

37
drivers/power/bq27xxx_battery_i2c.c
View File

@ -21,6 +21,9 @@
#include <linux/power/bq27xxx_battery.h>
static DEFINE_IDR(battery_id);
static DEFINE_MUTEX(battery_mutex);
static irqreturn_t bq27xxx_battery_irq_handler_thread(int irq, void *data)
{
struct bq27xxx_device_info *di = data;
@ -70,19 +73,33 @@ static int bq27xxx_battery_i2c_probe(struct i2c_client *client,
{
struct bq27xxx_device_info *di;
int ret;
char *name;
int num;
/* Get new ID for the new battery device */
mutex_lock(&battery_mutex);
num = idr_alloc(&battery_id, client, 0, 0, GFP_KERNEL);
mutex_unlock(&battery_mutex);
if (num < 0)
return num;
name = devm_kasprintf(&client->dev, GFP_KERNEL, "%s-%d", id->name, num);
if (!name)
goto err_mem;
di = devm_kzalloc(&client->dev, sizeof(*di), GFP_KERNEL);
if (!di)
return -ENOMEM;
goto err_mem;
di->id = num;
di->dev = &client->dev;
di->chip = id->driver_data;
di->name = id->name;
di->name = name;
di->bus.read = bq27xxx_battery_i2c_read;
ret = bq27xxx_battery_setup(di);
if (ret)
return ret;
goto err_failed;
/* Schedule a polling after about 1 min */
schedule_delayed_work(&di->work, 60 * HZ);
@ -103,6 +120,16 @@ static int bq27xxx_battery_i2c_probe(struct i2c_client *client,
}
return 0;
err_mem:
ret = -ENOMEM;
err_failed:
mutex_lock(&battery_mutex);
idr_remove(&battery_id, num);
mutex_unlock(&battery_mutex);
return ret;
}
static int bq27xxx_battery_i2c_remove(struct i2c_client *client)
@ -111,6 +138,10 @@ static int bq27xxx_battery_i2c_remove(struct i2c_client *client)
bq27xxx_battery_teardown(di);
mutex_lock(&battery_mutex);
idr_remove(&battery_id, di->id);
mutex_unlock(&battery_mutex);
return 0;
}

1
include/linux/power/bq27xxx_battery.h
View File

@ -49,6 +49,7 @@ struct bq27xxx_reg_cache {
struct bq27xxx_device_info {
struct device *dev;
int id;
enum bq27xxx_chip chip;
const char *name;
struct bq27xxx_access_methods bus;