diff options
| -rw-r--r-- | drivers/power/ab8500_charger.c | 6 | ||||
| -rw-r--r-- | drivers/power/abx500_chargalg.c | 12 | ||||
| -rw-r--r-- | drivers/power/pm2301_charger.c | 2 | ||||
| -rw-r--r-- | drivers/power/pm2301_charger.h | 2 | ||||
| -rw-r--r-- | include/linux/mfd/abx500/ux500_chargalg.h | 3 |
5 files changed, 23 insertions, 2 deletions
diff --git a/drivers/power/ab8500_charger.c b/drivers/power/ab8500_charger.c index 4c66172aaa64..0483e7cb2268 100644 --- a/drivers/power/ab8500_charger.c +++ b/drivers/power/ab8500_charger.c @@ -93,6 +93,8 @@ #define CHARGER_STATUS_POLL 10 /* in ms */ +#define CHG_WD_INTERVAL (60 * HZ) + /* UsbLineStatus register - usb types */ enum ab8500_charger_link_status { USB_STAT_NOT_CONFIGURED, @@ -2953,7 +2955,9 @@ static int ab8500_charger_probe(struct platform_device *pdev) ARRAY_SIZE(ab8500_charger_voltage_map) - 1]; di->ac_chg.max_out_curr = ab8500_charger_current_map[ ARRAY_SIZE(ab8500_charger_current_map) - 1]; + di->ac_chg.wdt_refresh = CHG_WD_INTERVAL; di->ac_chg.enabled = di->pdata->ac_enabled; + di->ac_chg.external = false; /* USB supply */ /* power_supply base class */ @@ -2972,7 +2976,9 @@ static int ab8500_charger_probe(struct platform_device *pdev) ARRAY_SIZE(ab8500_charger_voltage_map) - 1]; di->usb_chg.max_out_curr = ab8500_charger_current_map[ ARRAY_SIZE(ab8500_charger_current_map) - 1]; + di->usb_chg.wdt_refresh = CHG_WD_INTERVAL; di->usb_chg.enabled = di->pdata->usb_enabled; + di->usb_chg.external = false; /* Create a work queue for the charger */ di->charger_wq = diff --git a/drivers/power/abx500_chargalg.c b/drivers/power/abx500_chargalg.c index f59bc025ca58..7defb3e91d59 100644 --- a/drivers/power/abx500_chargalg.c +++ b/drivers/power/abx500_chargalg.c @@ -445,8 +445,18 @@ static int abx500_chargalg_kick_watchdog(struct abx500_chargalg *di) { /* Check if charger exists and kick watchdog if charging */ if (di->ac_chg && di->ac_chg->ops.kick_wd && - di->chg_info.online_chg & AC_CHG) + di->chg_info.online_chg & AC_CHG) { + /* + * If AB charger watchdog expired, pm2xxx charging + * gets disabled. To be safe, kick both AB charger watchdog + * and pm2xxx watchdog. + */ + if (di->ac_chg->external && + di->usb_chg && di->usb_chg->ops.kick_wd) + di->usb_chg->ops.kick_wd(di->usb_chg); + return di->ac_chg->ops.kick_wd(di->ac_chg); + } else if (di->usb_chg && di->usb_chg->ops.kick_wd && di->chg_info.online_chg & USB_CHG) return di->usb_chg->ops.kick_wd(di->usb_chg); diff --git a/drivers/power/pm2301_charger.c b/drivers/power/pm2301_charger.c index 085e468d8a2b..8c1dd5628d16 100644 --- a/drivers/power/pm2301_charger.c +++ b/drivers/power/pm2301_charger.c @@ -875,7 +875,9 @@ static int __devinit pm2xxx_wall_charger_probe(struct i2c_client *i2c_client, ARRAY_SIZE(pm2xxx_charger_voltage_map) - 1]; pm2->ac_chg.max_out_curr = pm2xxx_charger_current_map[ ARRAY_SIZE(pm2xxx_charger_current_map) - 1]; + pm2->ac_chg.wdt_refresh = WD_KICK_INTERVAL; pm2->ac_chg.enabled = true; + pm2->ac_chg.external = true; /* Create a work queue for the charger */ pm2->charger_wq = diff --git a/drivers/power/pm2301_charger.h b/drivers/power/pm2301_charger.h index da804716aa82..3531cc5a9056 100644 --- a/drivers/power/pm2301_charger.h +++ b/drivers/power/pm2301_charger.h @@ -32,7 +32,7 @@ /* Watchdog timeout constant */ #define WD_TIMER 0x30 /* 4min */ -#define WD_KICK_INTERVAL (60 * HZ) +#define WD_KICK_INTERVAL (30 * HZ) #define PM2XXX_NUM_INT_REG 0x6 diff --git a/include/linux/mfd/abx500/ux500_chargalg.h b/include/linux/mfd/abx500/ux500_chargalg.h index 5b77a610c6b6..d43ac0f35526 100644 --- a/include/linux/mfd/abx500/ux500_chargalg.h +++ b/include/linux/mfd/abx500/ux500_chargalg.h @@ -28,13 +28,16 @@ struct ux500_charger_ops { * @max_out_volt maximum output charger voltage in mV * @max_out_curr maximum output charger current in mA * @enabled indicates if this charger is used or not + * @external external charger unit (pm2xxx) */ struct ux500_charger { struct power_supply psy; struct ux500_charger_ops ops; int max_out_volt; int max_out_curr; + int wdt_refresh; bool enabled; + bool external; }; #endif |