diff options
| author | Arthur Demchenkov <spinal.by@gmail.com> | 2019-02-18 09:59:20 +0300 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2019-02-20 00:26:38 +0100 |
| commit | 9b2c945f9f4d340e9bf84e45f644eda7991a4945 (patch) | |
| tree | fa65f28ed164823052f4ef8f07adc9bd3ae93cad /drivers/power | |
| parent | 74f0aaba7c7161f2f777015f6c2e6d8c2c44aa8f (diff) | |
| download | linux-9b2c945f9f4d340e9bf84e45f644eda7991a4945.tar.bz2 | |
bq27x00: use cached flags
The flags were just read by bq27xxx_battery_update(),
no need to read them again.
Signed-off-by: Arthur Demchenkov <spinal.by@gmail.com>
Reviewed-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/supply/bq27xxx_battery.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index 6dbbe95844a3..29b3a4056865 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -1555,27 +1555,14 @@ static bool bq27xxx_battery_dead(struct bq27xxx_device_info *di, u16 flags) return flags & (BQ27XXX_FLAG_SOC1 | BQ27XXX_FLAG_SOCF); } -/* - * Read flag register. - * Return < 0 if something fails. - */ static int bq27xxx_battery_read_health(struct bq27xxx_device_info *di) { - int flags; - bool has_singe_flag = di->opts & BQ27XXX_O_ZERO; - - flags = bq27xxx_read(di, BQ27XXX_REG_FLAGS, has_singe_flag); - if (flags < 0) { - dev_err(di->dev, "error reading flag register:%d\n", flags); - return flags; - } - /* Unlikely but important to return first */ - if (unlikely(bq27xxx_battery_overtemp(di, flags))) + if (unlikely(bq27xxx_battery_overtemp(di, di->cache.flags))) return POWER_SUPPLY_HEALTH_OVERHEAT; - if (unlikely(bq27xxx_battery_undertemp(di, flags))) + if (unlikely(bq27xxx_battery_undertemp(di, di->cache.flags))) return POWER_SUPPLY_HEALTH_COLD; - if (unlikely(bq27xxx_battery_dead(di, flags))) + if (unlikely(bq27xxx_battery_dead(di, di->cache.flags))) return POWER_SUPPLY_HEALTH_DEAD; return POWER_SUPPLY_HEALTH_GOOD; @@ -1612,6 +1599,7 @@ void bq27xxx_battery_update(struct bq27xxx_device_info *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) |