Use dev_err_probe instead of dev_err in probe function, which simplifies code a little bit and prints the error code. Also drop possibly incorrect printing of chip id registers while touching the error message. Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx> --- drivers/mfd/rk808.c | 48 +++++++++++++++------------------------------ 1 file changed, 16 insertions(+), 32 deletions(-) diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c index c17fea1d48ca..8b18a9d9cb74 100644 --- a/drivers/mfd/rk808.c +++ b/drivers/mfd/rk808.c @@ -650,18 +650,12 @@ static int rk808_probe(struct i2c_client *client, /* Read chip variant */ msb = i2c_smbus_read_byte_data(client, pmic_id_msb); - if (msb < 0) { - dev_err(&client->dev, "failed to read the chip id at 0x%x\n", - RK808_ID_MSB); - return msb; - } + if (msb < 0) + return dev_err_probe(&client->dev, msb, "failed to read the chip id MSB\n"); lsb = i2c_smbus_read_byte_data(client, pmic_id_lsb); - if (lsb < 0) { - dev_err(&client->dev, "failed to read the chip id at 0x%x\n", - RK808_ID_LSB); - return lsb; - } + if (lsb < 0) + return dev_err_probe(&client->dev, lsb, "failed to read the chip id LSB\n"); rk808->variant = ((msb << 8) | lsb) & RK8XX_ID_MSK; dev_info(&client->dev, "chip id: 0x%x\n", (unsigned int)rk808->variant); @@ -710,44 +704,34 @@ static int rk808_probe(struct i2c_client *client, i2c_set_clientdata(client, rk808); rk808->regmap = devm_regmap_init_i2c(client, rk808->regmap_cfg); - if (IS_ERR(rk808->regmap)) { - dev_err(&client->dev, "regmap initialization failed\n"); - return PTR_ERR(rk808->regmap); - } + if (IS_ERR(rk808->regmap)) + return dev_err_probe(&client->dev, PTR_ERR(rk808->regmap), + "regmap initialization failed\n"); - if (!client->irq) { - dev_err(&client->dev, "No interrupt support, no core IRQ\n"); - return -EINVAL; - } + if (!client->irq) + return dev_err_probe(&client->dev, -EINVAL, "No interrupt support, no core IRQ\n"); ret = devm_regmap_add_irq_chip(&client->dev, rk808->regmap, client->irq, IRQF_ONESHOT, -1, rk808->regmap_irq_chip, &rk808->irq_data); - if (ret) { - dev_err(&client->dev, "Failed to add irq_chip %d\n", ret); - return ret; - } + if (ret) + return dev_err_probe(&client->dev, ret, "Failed to add irq_chip\n"); for (i = 0; i < nr_pre_init_regs; i++) { ret = regmap_update_bits(rk808->regmap, pre_init_reg[i].addr, pre_init_reg[i].mask, pre_init_reg[i].value); - if (ret) { - dev_err(&client->dev, - "0x%x write err\n", - pre_init_reg[i].addr); - return ret; - } + if (ret) + return dev_err_probe(&client->dev, ret, "0x%x write err\n", + pre_init_reg[i].addr); } ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_NONE, cells, nr_cells, NULL, 0, regmap_irq_get_domain(rk808->irq_data)); - if (ret) { - dev_err(&client->dev, "failed to add MFD devices %d\n", ret); - return ret; - } + if (ret) + return dev_err_probe(&client->dev, ret, "failed to add MFD devices\n"); if (of_property_read_bool(np, "rockchip,system-power-controller")) { ret = devm_register_sys_off_handler(&client->dev, -- 2.35.1