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power: supply: bq24190_charger: Handle fault before status on interrupt

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Reading both fault and status registers and logging any fault should
take priority over handling status register update.

Fix by moving the status handling to later in interrupt routine.

Fixes: d7bf353fd0 ("bq24190_charger: Add support for TI BQ24190 Battery Charger")
Signed-off-by: Liam Breck <kernel@networkimprov.net>
Acked-by: Mark Greer <mgreer@animalcreek.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
Liam Breck 2017-01-18 09:26:54 -08:00 committed by Sebastian Reichel
parent 68abfb8015
commit ba52e75718
1 changed files with 23 additions and 23 deletions
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46
drivers/power/supply/bq24190_charger.c
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@ -1175,29 +1175,6 @@ static irqreturn_t bq24190_irq_handler_thread(int irq, void *data)
goto out;
}
if (ss_reg != bdi->ss_reg) {
/*
* The device is in host mode so when PG_STAT goes from 1->0
* (i.e., power removed) HIZ needs to be disabled.
*/
if ((bdi->ss_reg & BQ24190_REG_SS_PG_STAT_MASK) &&
!(ss_reg & BQ24190_REG_SS_PG_STAT_MASK)) {
ret = bq24190_write_mask(bdi, BQ24190_REG_ISC,
BQ24190_REG_ISC_EN_HIZ_MASK,
BQ24190_REG_ISC_EN_HIZ_SHIFT,
0);
if (ret < 0)
dev_err(bdi->dev, "Can't access ISC reg: %d\n",
ret);
}
if ((bdi->ss_reg & battery_mask_ss) != (ss_reg & battery_mask_ss))
alert_battery = true;
if ((bdi->ss_reg & ~battery_mask_ss) != (ss_reg & ~battery_mask_ss))
alert_charger = true;
bdi->ss_reg = ss_reg;
}
i = 0;
do {
ret = bq24190_read(bdi, BQ24190_REG_F, &f_reg);
@ -1224,6 +1201,29 @@ static irqreturn_t bq24190_irq_handler_thread(int irq, void *data)
mutex_unlock(&bdi->f_reg_lock);
}
if (ss_reg != bdi->ss_reg) {
/*
* The device is in host mode so when PG_STAT goes from 1->0
* (i.e., power removed) HIZ needs to be disabled.
*/
if ((bdi->ss_reg & BQ24190_REG_SS_PG_STAT_MASK) &&
!(ss_reg & BQ24190_REG_SS_PG_STAT_MASK)) {
ret = bq24190_write_mask(bdi, BQ24190_REG_ISC,
BQ24190_REG_ISC_EN_HIZ_MASK,
BQ24190_REG_ISC_EN_HIZ_SHIFT,
0);
if (ret < 0)
dev_err(bdi->dev, "Can't access ISC reg: %d\n",
ret);
}
if ((bdi->ss_reg & battery_mask_ss) != (ss_reg & battery_mask_ss))
alert_battery = true;
if ((bdi->ss_reg & ~battery_mask_ss) != (ss_reg & ~battery_mask_ss))
alert_charger = true;
bdi->ss_reg = ss_reg;
}
if (alert_charger)
power_supply_changed(bdi->charger);
if (alert_battery)