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power: supply: ab8500: Use local helper 

Use a local "dev" helper variable to make the probe()
code easier to read in the ab8500 subdrivers.

Drop out-of-memory messages as these should come from the
slab core.

Cc: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Linus Walleij 2020-12-12 11:57:08 +01:00 committed by Sebastian Reichel
parent faa2cec667
commit ad89cb5f0a
3 changed files with 64 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
drivers/power/supply/ab8500_btemp.c
View File

@ -999,47 +999,46 @@ static int ab8500_btemp_probe(struct platform_device *pdev)
struct device_node *np = pdev->dev.of_node;
struct abx500_bm_data *plat = pdev->dev.platform_data;
struct power_supply_config psy_cfg = {};
struct device *dev = &pdev->dev;
struct ab8500_btemp *di;
int irq, i, ret = 0;
u8 val;
di = devm_kzalloc(&pdev->dev, sizeof(*di), GFP_KERNEL);
if (!di) {
dev_err(&pdev->dev, "%s no mem for ab8500_btemp\n", __func__);
di = devm_kzalloc(dev, sizeof(*di), GFP_KERNEL);
if (!di)
return -ENOMEM;
}
if (!plat) {
dev_err(&pdev->dev, "no battery management data supplied\n");
dev_err(dev, "no battery management data supplied\n");
return -EINVAL;
}
di->bm = plat;
if (np) {
ret = ab8500_bm_of_probe(&pdev->dev, np, di->bm);
ret = ab8500_bm_of_probe(dev, np, di->bm);
if (ret) {
dev_err(&pdev->dev, "failed to get battery information\n");
dev_err(dev, "failed to get battery information\n");
return ret;
}
}
/* get parent data */
di->dev = &pdev->dev;
di->dev = dev;
di->parent = dev_get_drvdata(pdev->dev.parent);
/* Get ADC channels */
di->btemp_ball = devm_iio_channel_get(&pdev->dev, "btemp_ball");
di->btemp_ball = devm_iio_channel_get(dev, "btemp_ball");
if (IS_ERR(di->btemp_ball)) {
if (PTR_ERR(di->btemp_ball) == -ENODEV)
return -EPROBE_DEFER;
dev_err(&pdev->dev, "failed to get BTEMP BALL ADC channel\n");
dev_err(dev, "failed to get BTEMP BALL ADC channel\n");
return PTR_ERR(di->btemp_ball);
}
di->bat_ctrl = devm_iio_channel_get(&pdev->dev, "bat_ctrl");
di->bat_ctrl = devm_iio_channel_get(dev, "bat_ctrl");
if (IS_ERR(di->bat_ctrl)) {
if (PTR_ERR(di->bat_ctrl) == -ENODEV)
return -EPROBE_DEFER;
dev_err(&pdev->dev, "failed to get BAT CTRL ADC channel\n");
dev_err(dev, "failed to get BAT CTRL ADC channel\n");
return PTR_ERR(di->bat_ctrl);
}
@ -1053,7 +1052,7 @@ static int ab8500_btemp_probe(struct platform_device *pdev)
di->btemp_wq =
alloc_workqueue("ab8500_btemp_wq", WQ_MEM_RECLAIM, 0);
if (di->btemp_wq == NULL) {
dev_err(di->dev, "failed to create work queue\n");
dev_err(dev, "failed to create work queue\n");
return -ENOMEM;
}
@ -1065,10 +1064,10 @@ static int ab8500_btemp_probe(struct platform_device *pdev)
di->btemp_ranges.btemp_low_limit = BTEMP_THERMAL_LOW_LIMIT;
di->btemp_ranges.btemp_med_limit = BTEMP_THERMAL_MED_LIMIT;
ret = abx500_get_register_interruptible(di->dev, AB8500_CHARGER,
ret = abx500_get_register_interruptible(dev, AB8500_CHARGER,
AB8500_BTEMP_HIGH_TH, &val);
if (ret < 0) {
dev_err(di->dev, "%s ab8500 read failed\n", __func__);
dev_err(dev, "%s ab8500 read failed\n", __func__);
goto free_btemp_wq;
}
switch (val) {
@ -1088,10 +1087,10 @@ static int ab8500_btemp_probe(struct platform_device *pdev)
}
/* Register BTEMP power supply class */
di->btemp_psy = power_supply_register(di->dev, &ab8500_btemp_desc,
di->btemp_psy = power_supply_register(dev, &ab8500_btemp_desc,
&psy_cfg);
if (IS_ERR(di->btemp_psy)) {
dev_err(di->dev, "failed to register BTEMP psy\n");
dev_err(dev, "failed to register BTEMP psy\n");
ret = PTR_ERR(di->btemp_psy);
goto free_btemp_wq;
}
@ -1109,11 +1108,11 @@ static int ab8500_btemp_probe(struct platform_device *pdev)
ab8500_btemp_irq[i].name, di);
if (ret) {
dev_err(di->dev, "failed to request %s IRQ %d: %d\n"
dev_err(dev, "failed to request %s IRQ %d: %d\n"
, ab8500_btemp_irq[i].name, irq, ret);
goto free_irq;
}
dev_dbg(di->dev, "Requested %s IRQ %d: %d\n",
dev_dbg(dev, "Requested %s IRQ %d: %d\n",
ab8500_btemp_irq[i].name, irq, ret);
}

55
drivers/power/supply/ab8500_charger.c
View File

@ -3354,23 +3354,22 @@ static int ab8500_charger_probe(struct platform_device *pdev)
struct power_supply_config ac_psy_cfg = {}, usb_psy_cfg = {};
struct ab8500_charger *di;
int irq, i, charger_status, ret = 0, ch_stat;
struct device *dev = &pdev->dev;
di = devm_kzalloc(&pdev->dev, sizeof(*di), GFP_KERNEL);
if (!di) {
dev_err(&pdev->dev, "%s no mem for ab8500_charger\n", __func__);
di = devm_kzalloc(dev, sizeof(*di), GFP_KERNEL);
if (!di)
return -ENOMEM;
}
if (!plat) {
dev_err(&pdev->dev, "no battery management data supplied\n");
dev_err(dev, "no battery management data supplied\n");
return -EINVAL;
}
di->bm = plat;
if (np) {
ret = ab8500_bm_of_probe(&pdev->dev, np, di->bm);
ret = ab8500_bm_of_probe(dev, np, di->bm);
if (ret) {
dev_err(&pdev->dev, "failed to get battery information\n");
dev_err(dev, "failed to get battery information\n");
return ret;
}
di->autopower_cfg = of_property_read_bool(np, "autopower_cfg");
@ -3378,39 +3377,39 @@ static int ab8500_charger_probe(struct platform_device *pdev)
di->autopower_cfg = false;
/* get parent data */
di->dev = &pdev->dev;
di->dev = dev;
di->parent = dev_get_drvdata(pdev->dev.parent);
/* Get ADC channels */
di->adc_main_charger_v = devm_iio_channel_get(&pdev->dev,
di->adc_main_charger_v = devm_iio_channel_get(dev,
"main_charger_v");
if (IS_ERR(di->adc_main_charger_v)) {
if (PTR_ERR(di->adc_main_charger_v) == -ENODEV)
return -EPROBE_DEFER;
dev_err(&pdev->dev, "failed to get ADC main charger voltage\n");
dev_err(dev, "failed to get ADC main charger voltage\n");
return PTR_ERR(di->adc_main_charger_v);
}
di->adc_main_charger_c = devm_iio_channel_get(&pdev->dev,
di->adc_main_charger_c = devm_iio_channel_get(dev,
"main_charger_c");
if (IS_ERR(di->adc_main_charger_c)) {
if (PTR_ERR(di->adc_main_charger_c) == -ENODEV)
return -EPROBE_DEFER;
dev_err(&pdev->dev, "failed to get ADC main charger current\n");
dev_err(dev, "failed to get ADC main charger current\n");
return PTR_ERR(di->adc_main_charger_c);
}
di->adc_vbus_v = devm_iio_channel_get(&pdev->dev, "vbus_v");
di->adc_vbus_v = devm_iio_channel_get(dev, "vbus_v");
if (IS_ERR(di->adc_vbus_v)) {
if (PTR_ERR(di->adc_vbus_v) == -ENODEV)
return -EPROBE_DEFER;
dev_err(&pdev->dev, "failed to get ADC USB charger voltage\n");
dev_err(dev, "failed to get ADC USB charger voltage\n");
return PTR_ERR(di->adc_vbus_v);
}
di->adc_usb_charger_c = devm_iio_channel_get(&pdev->dev,
di->adc_usb_charger_c = devm_iio_channel_get(dev,
"usb_charger_c");
if (IS_ERR(di->adc_usb_charger_c)) {
if (PTR_ERR(di->adc_usb_charger_c) == -ENODEV)
return -EPROBE_DEFER;
dev_err(&pdev->dev, "failed to get ADC USB charger current\n");
dev_err(dev, "failed to get ADC USB charger current\n");
return PTR_ERR(di->adc_usb_charger_c);
}
@ -3467,7 +3466,7 @@ static int ab8500_charger_probe(struct platform_device *pdev)
di->charger_wq = alloc_ordered_workqueue("ab8500_charger_wq",
WQ_MEM_RECLAIM);
if (di->charger_wq == NULL) {
dev_err(di->dev, "failed to create work queue\n");
dev_err(dev, "failed to create work queue\n");
return -ENOMEM;
}
@ -3526,10 +3525,10 @@ static int ab8500_charger_probe(struct platform_device *pdev)
* is a charger connected to avoid erroneous BTEMP_HIGH/LOW
* interrupts during charging
*/
di->regu = devm_regulator_get(di->dev, "vddadc");
di->regu = devm_regulator_get(dev, "vddadc");
if (IS_ERR(di->regu)) {
ret = PTR_ERR(di->regu);
dev_err(di->dev, "failed to get vddadc regulator\n");
dev_err(dev, "failed to get vddadc regulator\n");
goto free_charger_wq;
}
@ -3537,17 +3536,17 @@ static int ab8500_charger_probe(struct platform_device *pdev)
/* Initialize OVV, and other registers */
ret = ab8500_charger_init_hw_registers(di);
if (ret) {
dev_err(di->dev, "failed to initialize ABB registers\n");
dev_err(dev, "failed to initialize ABB registers\n");
goto free_charger_wq;
}
/* Register AC charger class */
if (di->ac_chg.enabled) {
di->ac_chg.psy = power_supply_register(di->dev,
di->ac_chg.psy = power_supply_register(dev,
&ab8500_ac_chg_desc,
&ac_psy_cfg);
if (IS_ERR(di->ac_chg.psy)) {
dev_err(di->dev, "failed to register AC charger\n");
dev_err(dev, "failed to register AC charger\n");
ret = PTR_ERR(di->ac_chg.psy);
goto free_charger_wq;
}
@ -3555,11 +3554,11 @@ static int ab8500_charger_probe(struct platform_device *pdev)
/* Register USB charger class */
if (di->usb_chg.enabled) {
di->usb_chg.psy = power_supply_register(di->dev,
di->usb_chg.psy = power_supply_register(dev,
&ab8500_usb_chg_desc,
&usb_psy_cfg);
if (IS_ERR(di->usb_chg.psy)) {
dev_err(di->dev, "failed to register USB charger\n");
dev_err(dev, "failed to register USB charger\n");
ret = PTR_ERR(di->usb_chg.psy);
goto free_ac;
}
@ -3567,14 +3566,14 @@ static int ab8500_charger_probe(struct platform_device *pdev)
di->usb_phy = usb_get_phy(USB_PHY_TYPE_USB2);
if (IS_ERR_OR_NULL(di->usb_phy)) {
dev_err(di->dev, "failed to get usb transceiver\n");
dev_err(dev, "failed to get usb transceiver\n");
ret = -EINVAL;
goto free_usb;
}
di->nb.notifier_call = ab8500_charger_usb_notifier_call;
ret = usb_register_notifier(di->usb_phy, &di->nb);
if (ret) {
dev_err(di->dev, "failed to register usb notifier\n");
dev_err(dev, "failed to register usb notifier\n");
goto put_usb_phy;
}
@ -3607,11 +3606,11 @@ static int ab8500_charger_probe(struct platform_device *pdev)
ab8500_charger_irq[i].name, di);
if (ret != 0) {
dev_err(di->dev, "failed to request %s IRQ %d: %d\n"
dev_err(dev, "failed to request %s IRQ %d: %d\n"
, ab8500_charger_irq[i].name, irq, ret);
goto free_irq;
}
dev_dbg(di->dev, "Requested %s IRQ %d: %d\n",
dev_dbg(dev, "Requested %s IRQ %d: %d\n",
ab8500_charger_irq[i].name, irq, ret);
}

39
drivers/power/supply/ab8500_fg.c
View File

@ -3037,26 +3037,25 @@ static int ab8500_fg_probe(struct platform_device *pdev)
struct device_node *np = pdev->dev.of_node;
struct abx500_bm_data *plat = pdev->dev.platform_data;
struct power_supply_config psy_cfg = {};
struct device *dev = &pdev->dev;
struct ab8500_fg *di;
int i, irq;
int ret = 0;
di = devm_kzalloc(&pdev->dev, sizeof(*di), GFP_KERNEL);
if (!di) {
dev_err(&pdev->dev, "%s no mem for ab8500_fg\n", __func__);
di = devm_kzalloc(dev, sizeof(*di), GFP_KERNEL);
if (!di)
return -ENOMEM;
}
if (!plat) {
dev_err(&pdev->dev, "no battery management data supplied\n");
dev_err(dev, "no battery management data supplied\n");
return -EINVAL;
}
di->bm = plat;
if (np) {
ret = ab8500_bm_of_probe(&pdev->dev, np, di->bm);
ret = ab8500_bm_of_probe(dev, np, di->bm);
if (ret) {
dev_err(&pdev->dev, "failed to get battery information\n");
dev_err(dev, "failed to get battery information\n");
return ret;
}
}
@ -3064,14 +3063,14 @@ static int ab8500_fg_probe(struct platform_device *pdev)
mutex_init(&di->cc_lock);
/* get parent data */
di->dev = &pdev->dev;
di->dev = dev;
di->parent = dev_get_drvdata(pdev->dev.parent);
di->main_bat_v = devm_iio_channel_get(&pdev->dev, "main_bat_v");
di->main_bat_v = devm_iio_channel_get(dev, "main_bat_v");
if (IS_ERR(di->main_bat_v)) {
if (PTR_ERR(di->main_bat_v) == -ENODEV)
return -EPROBE_DEFER;
dev_err(&pdev->dev, "failed to get main battery ADC channel\n");
dev_err(dev, "failed to get main battery ADC channel\n");
return PTR_ERR(di->main_bat_v);
}
@ -3094,7 +3093,7 @@ static int ab8500_fg_probe(struct platform_device *pdev)
/* 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(di->dev, "failed to create work queue\n");
dev_err(dev, "failed to create work queue\n");
return -ENOMEM;
}
@ -3129,7 +3128,7 @@ static int ab8500_fg_probe(struct platform_device *pdev)
/* Initialize OVV, and other registers */
ret = ab8500_fg_init_hw_registers(di);
if (ret) {
dev_err(di->dev, "failed to initialize registers\n");
dev_err(dev, "failed to initialize registers\n");
goto free_inst_curr_wq;
}
@ -3138,9 +3137,9 @@ static int ab8500_fg_probe(struct platform_device *pdev)
di->flags.batt_id_received = false;
/* Register FG power supply class */
di->fg_psy = power_supply_register(di->dev, &ab8500_fg_desc, &psy_cfg);
di->fg_psy = power_supply_register(dev, &ab8500_fg_desc, &psy_cfg);
if (IS_ERR(di->fg_psy)) {
dev_err(di->dev, "failed to register FG psy\n");
dev_err(dev, "failed to register FG psy\n");
ret = PTR_ERR(di->fg_psy);
goto free_inst_curr_wq;
}
@ -3168,11 +3167,11 @@ static int ab8500_fg_probe(struct platform_device *pdev)
ab8500_fg_irq_th[i].name, di);
if (ret != 0) {
dev_err(di->dev, "failed to request %s IRQ %d: %d\n",
dev_err(dev, "failed to request %s IRQ %d: %d\n",
ab8500_fg_irq_th[i].name, irq, ret);
goto free_irq_th;
}
dev_dbg(di->dev, "Requested %s IRQ %d: %d\n",
dev_dbg(dev, "Requested %s IRQ %d: %d\n",
ab8500_fg_irq_th[i].name, irq, ret);
}
@ -3188,11 +3187,11 @@ static int ab8500_fg_probe(struct platform_device *pdev)
ab8500_fg_irq_bh[0].name, di);
if (ret != 0) {
dev_err(di->dev, "failed to request %s IRQ %d: %d\n",
dev_err(dev, "failed to request %s IRQ %d: %d\n",
ab8500_fg_irq_bh[0].name, irq, ret);
goto free_irq_th;
}
dev_dbg(di->dev, "Requested %s IRQ %d: %d\n",
dev_dbg(dev, "Requested %s IRQ %d: %d\n",
ab8500_fg_irq_bh[0].name, irq, ret);
di->irq = platform_get_irq_byname(pdev, "CCEOC");
@ -3203,13 +3202,13 @@ static int ab8500_fg_probe(struct platform_device *pdev)
ret = ab8500_fg_sysfs_init(di);
if (ret) {
dev_err(di->dev, "failed to create sysfs entry\n");
dev_err(dev, "failed to create sysfs entry\n");
goto free_irq;
}
ret = ab8500_fg_sysfs_psy_create_attrs(di);
if (ret) {
dev_err(di->dev, "failed to create FG psy\n");
dev_err(dev, "failed to create FG psy\n");
ab8500_fg_sysfs_exit(di);
goto free_irq;
}