diff options
Diffstat (limited to 'drivers/power')
-rw-r--r-- | drivers/power/supply/ab8500_fg.c | 19 | ||||
-rw-r--r-- | drivers/power/supply/axp288_fuel_gauge.c | 41 | ||||
-rw-r--r-- | drivers/power/supply/power_supply_core.c | 8 | ||||
-rw-r--r-- | drivers/power/supply/samsung-sdi-battery.c | 2 |
4 files changed, 55 insertions, 15 deletions
diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c index 97ac588a9e9c..ec8a404d71b4 100644 --- a/drivers/power/supply/ab8500_fg.c +++ b/drivers/power/supply/ab8500_fg.c @@ -3037,13 +3037,6 @@ static int ab8500_fg_bind(struct device *dev, struct device *master, { struct ab8500_fg *di = dev_get_drvdata(dev); - /* Create a work queue for running the FG algorithm */ - di->fg_wq = alloc_ordered_workqueue("ab8500_fg_wq", WQ_MEM_RECLAIM); - if (di->fg_wq == NULL) { - dev_err(dev, "failed to create work queue\n"); - return -ENOMEM; - } - di->bat_cap.max_mah_design = di->bm->bi->charge_full_design_uah; di->bat_cap.max_mah = di->bat_cap.max_mah_design; di->vbat_nom_uv = di->bm->bi->voltage_max_design_uv; @@ -3067,8 +3060,7 @@ static void ab8500_fg_unbind(struct device *dev, struct device *master, if (ret) dev_err(dev, "failed to disable coulomb counter\n"); - destroy_workqueue(di->fg_wq); - flush_scheduled_work(); + flush_workqueue(di->fg_wq); } static const struct component_ops ab8500_fg_component_ops = { @@ -3117,6 +3109,13 @@ static int ab8500_fg_probe(struct platform_device *pdev) ab8500_fg_charge_state_to(di, AB8500_FG_CHARGE_INIT); ab8500_fg_discharge_state_to(di, AB8500_FG_DISCHARGE_INIT); + /* Create a work queue for running the FG algorithm */ + di->fg_wq = alloc_ordered_workqueue("ab8500_fg_wq", WQ_MEM_RECLAIM); + if (di->fg_wq == NULL) { + dev_err(dev, "failed to create work queue\n"); + return -ENOMEM; + } + /* Init work for running the fg algorithm instantly */ INIT_WORK(&di->fg_work, ab8500_fg_instant_work); @@ -3227,6 +3226,8 @@ static int ab8500_fg_remove(struct platform_device *pdev) { struct ab8500_fg *di = platform_get_drvdata(pdev); + destroy_workqueue(di->fg_wq); + flush_scheduled_work(); component_del(&pdev->dev, &ab8500_fg_component_ops); list_del(&di->node); ab8500_fg_sysfs_exit(di); diff --git a/drivers/power/supply/axp288_fuel_gauge.c b/drivers/power/supply/axp288_fuel_gauge.c index e9f285dae489..8e6f8a655079 100644 --- a/drivers/power/supply/axp288_fuel_gauge.c +++ b/drivers/power/supply/axp288_fuel_gauge.c @@ -90,6 +90,8 @@ #define AXP288_REG_UPDATE_INTERVAL (60 * HZ) #define AXP288_FG_INTR_NUM 6 +#define AXP288_QUIRK_NO_BATTERY BIT(0) + static bool no_current_sense_res; module_param(no_current_sense_res, bool, 0444); MODULE_PARM_DESC(no_current_sense_res, "No (or broken) current sense resistor"); @@ -524,7 +526,7 @@ static struct power_supply_desc fuel_gauge_desc = { * detection reports one despite it not being there. * Please keep this listed sorted alphabetically. */ -static const struct dmi_system_id axp288_no_battery_list[] = { +static const struct dmi_system_id axp288_quirks[] = { { /* ACEPC T8 Cherry Trail Z8350 mini PC */ .matches = { @@ -534,6 +536,7 @@ static const struct dmi_system_id axp288_no_battery_list[] = { /* also match on somewhat unique bios-version */ DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"), }, + .driver_data = (void *)AXP288_QUIRK_NO_BATTERY, }, { /* ACEPC T11 Cherry Trail Z8350 mini PC */ @@ -544,6 +547,7 @@ static const struct dmi_system_id axp288_no_battery_list[] = { /* also match on somewhat unique bios-version */ DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"), }, + .driver_data = (void *)AXP288_QUIRK_NO_BATTERY, }, { /* Intel Cherry Trail Compute Stick, Windows version */ @@ -551,6 +555,7 @@ static const struct dmi_system_id axp288_no_battery_list[] = { DMI_MATCH(DMI_SYS_VENDOR, "Intel"), DMI_MATCH(DMI_PRODUCT_NAME, "STK1AW32SC"), }, + .driver_data = (void *)AXP288_QUIRK_NO_BATTERY, }, { /* Intel Cherry Trail Compute Stick, version without an OS */ @@ -558,34 +563,54 @@ static const struct dmi_system_id axp288_no_battery_list[] = { DMI_MATCH(DMI_SYS_VENDOR, "Intel"), DMI_MATCH(DMI_PRODUCT_NAME, "STK1A32SC"), }, + .driver_data = (void *)AXP288_QUIRK_NO_BATTERY, }, { /* Meegopad T02 */ .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "MEEGOPAD T02"), }, + .driver_data = (void *)AXP288_QUIRK_NO_BATTERY, }, { /* Mele PCG03 Mini PC */ .matches = { DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Mini PC"), DMI_EXACT_MATCH(DMI_BOARD_NAME, "Mini PC"), }, + .driver_data = (void *)AXP288_QUIRK_NO_BATTERY, }, { /* Minix Neo Z83-4 mini PC */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "MINIX"), DMI_MATCH(DMI_PRODUCT_NAME, "Z83-4"), - } + }, + .driver_data = (void *)AXP288_QUIRK_NO_BATTERY, }, { - /* Various Ace PC/Meegopad/MinisForum/Wintel Mini-PCs/HDMI-sticks */ + /* + * One Mix 1, this uses the "T3 MRD" boardname used by + * generic mini PCs, but it is a mini laptop so it does + * actually have a battery! + */ + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"), + DMI_MATCH(DMI_BIOS_DATE, "06/14/2018"), + }, + .driver_data = NULL, + }, + { + /* + * Various Ace PC/Meegopad/MinisForum/Wintel Mini-PCs/HDMI-sticks + * This entry must be last because it is generic, this allows + * adding more specifuc quirks overriding this generic entry. + */ .matches = { DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"), DMI_MATCH(DMI_CHASSIS_TYPE, "3"), DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."), - DMI_MATCH(DMI_BIOS_VERSION, "5.11"), }, + .driver_data = (void *)AXP288_QUIRK_NO_BATTERY, }, {} }; @@ -665,7 +690,9 @@ static int axp288_fuel_gauge_probe(struct platform_device *pdev) [BAT_D_CURR] = "axp288-chrg-d-curr", [BAT_VOLT] = "axp288-batt-volt", }; + const struct dmi_system_id *dmi_id; struct device *dev = &pdev->dev; + unsigned long quirks = 0; int i, pirq, ret; /* @@ -675,7 +702,11 @@ static int axp288_fuel_gauge_probe(struct platform_device *pdev) if (!acpi_quirk_skip_acpi_ac_and_battery()) return -ENODEV; - if (dmi_check_system(axp288_no_battery_list)) + dmi_id = dmi_first_match(axp288_quirks); + if (dmi_id) + quirks = (unsigned long)dmi_id->driver_data; + + if (quirks & AXP288_QUIRK_NO_BATTERY) return -ENODEV; info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL); diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index ea02c8dcd748..fad5890c899e 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -604,13 +604,19 @@ int power_supply_get_battery_info(struct power_supply *psy, err = samsung_sdi_battery_get_info(&psy->dev, value, &info); if (!err) goto out_ret_pointer; + else if (err == -ENODEV) + /* + * Device does not have a static battery. + * Proceed to look for a simple battery. + */ + err = 0; if (strcmp("simple-battery", value)) { err = -ENODEV; goto out_put_node; } - info = devm_kmalloc(&psy->dev, sizeof(*info), GFP_KERNEL); + info = devm_kzalloc(&psy->dev, sizeof(*info), GFP_KERNEL); if (!info) { err = -ENOMEM; goto out_put_node; diff --git a/drivers/power/supply/samsung-sdi-battery.c b/drivers/power/supply/samsung-sdi-battery.c index 9d59f277f519..b33daab798b9 100644 --- a/drivers/power/supply/samsung-sdi-battery.c +++ b/drivers/power/supply/samsung-sdi-battery.c @@ -824,6 +824,7 @@ static struct samsung_sdi_battery samsung_sdi_batteries[] = { .constant_charge_current_max_ua = 900000, .constant_charge_voltage_max_uv = 4200000, .charge_term_current_ua = 200000, + .charge_restart_voltage_uv = 4170000, .maintenance_charge = samsung_maint_charge_table, .maintenance_charge_size = ARRAY_SIZE(samsung_maint_charge_table), .alert_low_temp_charge_current_ua = 300000, @@ -867,6 +868,7 @@ static struct samsung_sdi_battery samsung_sdi_batteries[] = { .constant_charge_current_max_ua = 1500000, .constant_charge_voltage_max_uv = 4350000, .charge_term_current_ua = 120000, + .charge_restart_voltage_uv = 4300000, .maintenance_charge = samsung_maint_charge_table, .maintenance_charge_size = ARRAY_SIZE(samsung_maint_charge_table), .alert_low_temp_charge_current_ua = 300000, |