power: supply: sc27xx: Introduce local variable 'struct device *dev'

Introduce local variable 'struct device *dev' and use it instead of
dereferencing it repeatly.

Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Reviewed-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Fuqian Huang 2019-07-08 20:32:51 +08:00 committed by Sebastian Reichel
parent 59857e9ead
commit 08614b407d

View File

@ -957,81 +957,82 @@ disable_fgu:
static int sc27xx_fgu_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct power_supply_config fgu_cfg = { };
struct sc27xx_fgu_data *data;
int ret, irq;
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
data->regmap = dev_get_regmap(pdev->dev.parent, NULL);
data->regmap = dev_get_regmap(dev->parent, NULL);
if (!data->regmap) {
dev_err(&pdev->dev, "failed to get regmap\n");
dev_err(dev, "failed to get regmap\n");
return -ENODEV;
}
ret = device_property_read_u32(&pdev->dev, "reg", &data->base);
ret = device_property_read_u32(dev, "reg", &data->base);
if (ret) {
dev_err(&pdev->dev, "failed to get fgu address\n");
dev_err(dev, "failed to get fgu address\n");
return ret;
}
data->channel = devm_iio_channel_get(&pdev->dev, "bat-temp");
data->channel = devm_iio_channel_get(dev, "bat-temp");
if (IS_ERR(data->channel)) {
dev_err(&pdev->dev, "failed to get IIO channel\n");
dev_err(dev, "failed to get IIO channel\n");
return PTR_ERR(data->channel);
}
data->charge_chan = devm_iio_channel_get(&pdev->dev, "charge-vol");
data->charge_chan = devm_iio_channel_get(dev, "charge-vol");
if (IS_ERR(data->charge_chan)) {
dev_err(&pdev->dev, "failed to get charge IIO channel\n");
dev_err(dev, "failed to get charge IIO channel\n");
return PTR_ERR(data->charge_chan);
}
data->gpiod = devm_gpiod_get(&pdev->dev, "bat-detect", GPIOD_IN);
data->gpiod = devm_gpiod_get(dev, "bat-detect", GPIOD_IN);
if (IS_ERR(data->gpiod)) {
dev_err(&pdev->dev, "failed to get battery detection GPIO\n");
dev_err(dev, "failed to get battery detection GPIO\n");
return PTR_ERR(data->gpiod);
}
ret = gpiod_get_value_cansleep(data->gpiod);
if (ret < 0) {
dev_err(&pdev->dev, "failed to get gpio state\n");
dev_err(dev, "failed to get gpio state\n");
return ret;
}
data->bat_present = !!ret;
mutex_init(&data->lock);
data->dev = &pdev->dev;
data->dev = dev;
platform_set_drvdata(pdev, data);
fgu_cfg.drv_data = data;
fgu_cfg.of_node = np;
data->battery = devm_power_supply_register(&pdev->dev, &sc27xx_fgu_desc,
data->battery = devm_power_supply_register(dev, &sc27xx_fgu_desc,
&fgu_cfg);
if (IS_ERR(data->battery)) {
dev_err(&pdev->dev, "failed to register power supply\n");
dev_err(dev, "failed to register power supply\n");
return PTR_ERR(data->battery);
}
ret = sc27xx_fgu_hw_init(data);
if (ret) {
dev_err(&pdev->dev, "failed to initialize fgu hardware\n");
dev_err(dev, "failed to initialize fgu hardware\n");
return ret;
}
ret = devm_add_action(&pdev->dev, sc27xx_fgu_disable, data);
ret = devm_add_action(dev, sc27xx_fgu_disable, data);
if (ret) {
sc27xx_fgu_disable(data);
dev_err(&pdev->dev, "failed to add fgu disable action\n");
dev_err(dev, "failed to add fgu disable action\n");
return ret;
}
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "no irq resource specified\n");
dev_err(dev, "no irq resource specified\n");
return irq;
}
@ -1046,17 +1047,17 @@ static int sc27xx_fgu_probe(struct platform_device *pdev)
irq = gpiod_to_irq(data->gpiod);
if (irq < 0) {
dev_err(&pdev->dev, "failed to translate GPIO to IRQ\n");
dev_err(dev, "failed to translate GPIO to IRQ\n");
return irq;
}
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
ret = devm_request_threaded_irq(dev, irq, NULL,
sc27xx_fgu_bat_detection,
IRQF_ONESHOT | IRQF_TRIGGER_RISING |
IRQF_TRIGGER_FALLING,
pdev->name, data);
if (ret) {
dev_err(&pdev->dev, "failed to request IRQ\n");
dev_err(dev, "failed to request IRQ\n");
return ret;
}