From d63d07c6fc25182af6d3ab5b3b8737b0c1025ebd Mon Sep 17 00:00:00 2001 From: Liam Breck Date: Tue, 11 Apr 2017 04:59:54 -0700 Subject: [PATCH] power: supply: bq24190_charger: Limit over/under voltage fault logging If the charger is unplugged before the battery is full we may see an over/under voltage fault. Ignore this rather then emitting a message or uevent. This fixes messages like these getting logged on charger unplug + replug: bq24190-charger 15-006b: Fault: boost 0, charge 1, battery 0, ntc 0 bq24190-charger 15-006b: Fault: boost 0, charge 0, battery 0, ntc 0 Cc: Tony Lindgren Cc: Hans de Goede Signed-off-by: Liam Breck Acked-by: Tony Lindgren Reviewed-by: Hans de Goede Signed-off-by: Sebastian Reichel --- drivers/power/supply/bq24190_charger.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c index 2c404a59e613..59a7b6cbf5fa 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -1222,8 +1222,13 @@ static void bq24190_check_status(struct bq24190_dev_info *bdi) } } while (f_reg && ++i < 2); + /* ignore over/under voltage fault after disconnect */ + if (f_reg == (1 << BQ24190_REG_F_CHRG_FAULT_SHIFT) && + !(ss_reg & BQ24190_REG_SS_PG_STAT_MASK)) + f_reg = 0; + if (f_reg != bdi->f_reg) { - dev_info(bdi->dev, + dev_warn(bdi->dev, "Fault: boost %d, charge %d, battery %d, ntc %d\n", !!(f_reg & BQ24190_REG_F_BOOST_FAULT_MASK), !!(f_reg & BQ24190_REG_F_CHRG_FAULT_MASK), -- 2.11.0