Input: bu21029_ts - use local 'client->dev' variable in probe()

'dev' is shorter and simpler than '&client->dev' and in few cases it
allows to skip line wrapping. Probe function uses '&client->dev' a lot,
so this improves readability slightly.

Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230625162817.100397-25-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/touchscreen/bu21029_ts.c b/drivers/input/touchscreen/bu21029_ts.c
index 3d81ebe66b66c6690e4d16516118def88fc3ddda..e1dfbd92ab648e47dc517a6604c19e8123d8c120 100644 (file)
--- a/drivers/input/touchscreen/bu21029_ts.c
+++ b/drivers/input/touchscreen/bu21029_ts.c
@@ -333,6 +333,7 @@ static void bu21029_stop_chip(struct input_dev *dev)
 
 static int bu21029_probe(struct i2c_client *client)
 {
+       struct device *dev = &client->dev;
        struct bu21029_ts_data *bu21029;
        struct input_dev *in_dev;
        int error;
@@ -341,37 +342,33 @@ static int bu21029_probe(struct i2c_client *client)
                                     I2C_FUNC_SMBUS_WRITE_BYTE |
                                     I2C_FUNC_SMBUS_WRITE_BYTE_DATA |
                                     I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
-               dev_err(&client->dev,
-                       "i2c functionality support is not sufficient\n");
+               dev_err(dev, "i2c functionality support is not sufficient\n");
                return -EIO;
        }
 
-       bu21029 = devm_kzalloc(&client->dev, sizeof(*bu21029), GFP_KERNEL);
+       bu21029 = devm_kzalloc(dev, sizeof(*bu21029), GFP_KERNEL);
        if (!bu21029)
                return -ENOMEM;
 
-       error = device_property_read_u32(&client->dev, "rohm,x-plate-ohms",
-                                        &bu21029->x_plate_ohms);
+       error = device_property_read_u32(dev, "rohm,x-plate-ohms", &bu21029->x_plate_ohms);
        if (error) {
-               dev_err(&client->dev,
-                       "invalid 'x-plate-ohms' supplied: %d\n", error);
+               dev_err(dev, "invalid 'x-plate-ohms' supplied: %d\n", error);
                return error;
        }
 
-       bu21029->vdd = devm_regulator_get(&client->dev, "vdd");
+       bu21029->vdd = devm_regulator_get(dev, "vdd");
        if (IS_ERR(bu21029->vdd))
-               return dev_err_probe(&client->dev, PTR_ERR(bu21029->vdd),
+               return dev_err_probe(dev, PTR_ERR(bu21029->vdd),
                                     "failed to acquire 'vdd' supply\n");
 
-       bu21029->reset_gpios = devm_gpiod_get_optional(&client->dev,
-                                                      "reset", GPIOD_OUT_HIGH);
+       bu21029->reset_gpios = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
        if (IS_ERR(bu21029->reset_gpios))
-               return dev_err_probe(&client->dev, PTR_ERR(bu21029->reset_gpios),
+               return dev_err_probe(dev, PTR_ERR(bu21029->reset_gpios),
                                     "failed to acquire 'reset' gpio\n");
 
-       in_dev = devm_input_allocate_device(&client->dev);
+       in_dev = devm_input_allocate_device(dev);
        if (!in_dev) {
-               dev_err(&client->dev, "unable to allocate input device\n");
+               dev_err(dev, "unable to allocate input device\n");
                return -ENOMEM;
        }
 
@@ -392,20 +389,18 @@ static int bu21029_probe(struct i2c_client *client)
 
        input_set_drvdata(in_dev, bu21029);
 
-       error = devm_request_threaded_irq(&client->dev, client->irq,
-                                         NULL, bu21029_touch_soft_irq,
+       error = devm_request_threaded_irq(dev, client->irq, NULL,
+                                         bu21029_touch_soft_irq,
                                          IRQF_ONESHOT | IRQF_NO_AUTOEN,
                                          DRIVER_NAME, bu21029);
        if (error) {
-               dev_err(&client->dev,
-                       "unable to request touch irq: %d\n", error);
+               dev_err(dev, "unable to request touch irq: %d\n", error);
                return error;
        }
 
        error = input_register_device(in_dev);
        if (error) {
-               dev_err(&client->dev,
-                       "unable to register input device: %d\n", error);
+               dev_err(dev, "unable to register input device: %d\n", error);
                return error;
        }