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power: supply: bq27xxx: Move bq27xxx_battery_update() down
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commit ff4c4a2 upstream.

Move the bq27xxx_battery_update() functions to below
the bq27xxx_battery_current_and_status() function.

This is just moving a block of text, no functional changes.

This is a preparation patch for making bq27xxx_battery_update() check
the status and have it call power_supply_changed() on status changes.

Fixes: 297a533 ("bq27x00: Cache battery registers")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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jwrdegoede authored and gregkh committed May 30, 2023
1 parent 9f30c3f commit 39f6edb
Showing 1 changed file with 61 additions and 61 deletions.
122 changes: 61 additions & 61 deletions drivers/power/supply/bq27xxx_battery.c
Expand Up @@ -1761,67 +1761,6 @@ static int bq27xxx_battery_read_health(struct bq27xxx_device_info *di)
return POWER_SUPPLY_HEALTH_GOOD;
}

static void bq27xxx_battery_update_unlocked(struct bq27xxx_device_info *di)
{
struct bq27xxx_reg_cache cache = {0, };
bool has_singe_flag = di->opts & BQ27XXX_O_ZERO;

cache.flags = bq27xxx_read(di, BQ27XXX_REG_FLAGS, has_singe_flag);
if ((cache.flags & 0xff) == 0xff)
cache.flags = -1; /* read error */
if (cache.flags >= 0) {
cache.temperature = bq27xxx_battery_read_temperature(di);
if (di->regs[BQ27XXX_REG_TTE] != INVALID_REG_ADDR)
cache.time_to_empty = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTE);
if (di->regs[BQ27XXX_REG_TTECP] != INVALID_REG_ADDR)
cache.time_to_empty_avg = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTECP);
if (di->regs[BQ27XXX_REG_TTF] != INVALID_REG_ADDR)
cache.time_to_full = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTF);

cache.charge_full = bq27xxx_battery_read_fcc(di);
cache.capacity = bq27xxx_battery_read_soc(di);
if (di->regs[BQ27XXX_REG_AE] != INVALID_REG_ADDR)
cache.energy = bq27xxx_battery_read_energy(di);
di->cache.flags = cache.flags;
cache.health = bq27xxx_battery_read_health(di);
if (di->regs[BQ27XXX_REG_CYCT] != INVALID_REG_ADDR)
cache.cycle_count = bq27xxx_battery_read_cyct(di);

/* We only have to read charge design full once */
if (di->charge_design_full <= 0)
di->charge_design_full = bq27xxx_battery_read_dcap(di);
}

if ((di->cache.capacity != cache.capacity) ||
(di->cache.flags != cache.flags))
power_supply_changed(di->bat);

if (memcmp(&di->cache, &cache, sizeof(cache)) != 0)
di->cache = cache;

di->last_update = jiffies;

if (!di->removed && poll_interval > 0)
mod_delayed_work(system_wq, &di->work, poll_interval * HZ);
}

void bq27xxx_battery_update(struct bq27xxx_device_info *di)
{
mutex_lock(&di->lock);
bq27xxx_battery_update_unlocked(di);
mutex_unlock(&di->lock);
}
EXPORT_SYMBOL_GPL(bq27xxx_battery_update);

static void bq27xxx_battery_poll(struct work_struct *work)
{
struct bq27xxx_device_info *di =
container_of(work, struct bq27xxx_device_info,
work.work);

bq27xxx_battery_update(di);
}

static bool bq27xxx_battery_is_full(struct bq27xxx_device_info *di, int flags)
{
if (di->opts & BQ27XXX_O_ZERO)
Expand Down Expand Up @@ -1895,6 +1834,67 @@ static int bq27xxx_battery_current_and_status(
return 0;
}

static void bq27xxx_battery_update_unlocked(struct bq27xxx_device_info *di)
{
struct bq27xxx_reg_cache cache = {0, };
bool has_singe_flag = di->opts & BQ27XXX_O_ZERO;

cache.flags = bq27xxx_read(di, BQ27XXX_REG_FLAGS, has_singe_flag);
if ((cache.flags & 0xff) == 0xff)
cache.flags = -1; /* read error */
if (cache.flags >= 0) {
cache.temperature = bq27xxx_battery_read_temperature(di);
if (di->regs[BQ27XXX_REG_TTE] != INVALID_REG_ADDR)
cache.time_to_empty = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTE);
if (di->regs[BQ27XXX_REG_TTECP] != INVALID_REG_ADDR)
cache.time_to_empty_avg = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTECP);
if (di->regs[BQ27XXX_REG_TTF] != INVALID_REG_ADDR)
cache.time_to_full = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTF);

cache.charge_full = bq27xxx_battery_read_fcc(di);
cache.capacity = bq27xxx_battery_read_soc(di);
if (di->regs[BQ27XXX_REG_AE] != INVALID_REG_ADDR)
cache.energy = bq27xxx_battery_read_energy(di);
di->cache.flags = cache.flags;
cache.health = bq27xxx_battery_read_health(di);
if (di->regs[BQ27XXX_REG_CYCT] != INVALID_REG_ADDR)
cache.cycle_count = bq27xxx_battery_read_cyct(di);

/* We only have to read charge design full once */
if (di->charge_design_full <= 0)
di->charge_design_full = bq27xxx_battery_read_dcap(di);
}

if ((di->cache.capacity != cache.capacity) ||
(di->cache.flags != cache.flags))
power_supply_changed(di->bat);

if (memcmp(&di->cache, &cache, sizeof(cache)) != 0)
di->cache = cache;

di->last_update = jiffies;

if (!di->removed && poll_interval > 0)
mod_delayed_work(system_wq, &di->work, poll_interval * HZ);
}

void bq27xxx_battery_update(struct bq27xxx_device_info *di)
{
mutex_lock(&di->lock);
bq27xxx_battery_update_unlocked(di);
mutex_unlock(&di->lock);
}
EXPORT_SYMBOL_GPL(bq27xxx_battery_update);

static void bq27xxx_battery_poll(struct work_struct *work)
{
struct bq27xxx_device_info *di =
container_of(work, struct bq27xxx_device_info,
work.work);

bq27xxx_battery_update(di);
}

/*
* Get the average power in µW
* Return < 0 if something fails.
Expand Down

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