From e35a49b163fa2108cf82c6f07a3fbe371e468878 Mon Sep 17 00:00:00 2001 From: Sebastian Reichel Date: Sun, 17 Jan 2016 21:36:03 +0100 Subject: MAINTAINERS: update bq27xxx driver MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Update reviewers for bq27xxx, so that Pali and Andrew are reviewers with status and maintainer inherited from the power supply subsystem entry. Signed-off-by: Sebastian Reichel Acked-by: Pali Rohár Acked-by: Andrew F. Davis --- MAINTAINERS | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 4978dc19a4d2..116a448ae77e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7686,13 +7686,13 @@ S: Maintained F: arch/nios2/ NOKIA N900 POWER SUPPLY DRIVERS -M: Pali Rohár -S: Maintained +R: Pali Rohár 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 S: Maintained F: drivers/thunderbolt/ +TI BQ27XXX POWER SUPPLY DRIVER +R: Andrew F. Davis +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 M: Thomas Gleixner -- cgit v1.2.3-70-g09d2 From 9aafabc7fece13c8e2a1f680908c73ee19f0f79b Mon Sep 17 00:00:00 2001 From: Ivaylo Dimitrov Date: Tue, 2 Feb 2016 14:47:37 +0200 Subject: power: bq27xxx_battery: Restore device name MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Patch <703df6c09795> ("power: bq27xxx_battery: Reorganize I2C into a module") has removed the device name numbering from bq27xxx_battery_i2c_probe. Fix that by restoring the code. Fixes: 703df6c097956d17a818e63961c82e8e9eef9fef Signed-off-by: Ivaylo Dimitrov Reviewed-by: Pali Rohár Tested-by: Pali Rohár Signed-off-by: Sebastian Reichel --- drivers/power/bq27xxx_battery_i2c.c | 37 ++++++++++++++++++++++++++++++++--- include/linux/power/bq27xxx_battery.h | 1 + 2 files changed, 35 insertions(+), 3 deletions(-) diff --git a/drivers/power/bq27xxx_battery_i2c.c b/drivers/power/bq27xxx_battery_i2c.c index 9429e66be096..8eafc6f0df88 100644 --- a/drivers/power/bq27xxx_battery_i2c.c +++ b/drivers/power/bq27xxx_battery_i2c.c @@ -21,6 +21,9 @@ #include +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; } diff --git a/include/linux/power/bq27xxx_battery.h b/include/linux/power/bq27xxx_battery.h index 998d8f1c3c91..b50c0492629d 100644 --- a/include/linux/power/bq27xxx_battery.h +++ b/include/linux/power/bq27xxx_battery.h @@ -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; -- cgit v1.2.3-70-g09d2