This does reduce the error granularity a bit, but the code simplification seems to be worth it. Signed-off-by: Mateusz Majewski <m.majewski2@xxxxxxxxxxx> --- drivers/thermal/samsung/exynos_tmu.c | 33 +++++++--------------------- 1 file changed, 8 insertions(+), 25 deletions(-) diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 49e9157c3dc7..5c08212ff8ac 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -157,7 +157,6 @@ enum soc_type { * @reference_voltage: reference voltage of amplifier * in the positive-TC generator block * 0 < reference_voltage <= 31 - * @regulator: pointer to the TMU regulator structure. * @reg_conf: pointer to structure to register with core thermal. * @tzd: pointer to thermal_zone_device structure * @ntrip: number of supported trip points. @@ -184,7 +183,6 @@ struct exynos_tmu_data { u16 temp_error1, temp_error2; u8 gain; u8 reference_voltage; - struct regulator *regulator; struct thermal_zone_device *tzd; unsigned int ntrip; bool enabled; @@ -985,42 +983,34 @@ static int exynos_tmu_probe(struct platform_device *pdev) * TODO: Add regulator as an SOC feature, so that regulator enable * is a compulsory call. */ - data->regulator = devm_regulator_get_optional(&pdev->dev, "vtmu"); - if (!IS_ERR(data->regulator)) { - ret = regulator_enable(data->regulator); - if (ret) { - dev_err(&pdev->dev, "failed to enable vtmu\n"); - return ret; - } - } else { - if (PTR_ERR(data->regulator) == -EPROBE_DEFER) + ret = devm_regulator_get_enable_optional(&pdev->dev, "vtmu"); + if (ret) { + if (ret == -EPROBE_DEFER) return -EPROBE_DEFER; - dev_info(&pdev->dev, "Regulator node (vtmu) not found\n"); + dev_info(&pdev->dev, "Failed to get regulator node (vtmu)\n"); } ret = exynos_map_dt_data(pdev); if (ret) - goto err_sensor; + return ret; data->clk = devm_clk_get_enabled(&pdev->dev, "tmu_apbif"); if (IS_ERR(data->clk)) { dev_err(&pdev->dev, "Failed to get clock\n"); - ret = PTR_ERR(data->clk); - goto err_sensor; + return PTR_ERR(data->clk); } data->clk_sec = devm_clk_get(&pdev->dev, "tmu_triminfo_apbif"); if (IS_ERR(data->clk_sec)) { if (data->soc == SOC_ARCH_EXYNOS5420_TRIMINFO) { dev_err(&pdev->dev, "Failed to get triminfo clock\n"); - ret = PTR_ERR(data->clk_sec); - goto err_sensor; + return PTR_ERR(data->clk_sec); } } else { ret = clk_prepare(data->clk_sec); if (ret) { dev_err(&pdev->dev, "Failed to get clock\n"); - goto err_sensor; + return ret; } } @@ -1073,10 +1063,6 @@ static int exynos_tmu_probe(struct platform_device *pdev) err_clk_sec: if (!IS_ERR(data->clk_sec)) clk_unprepare(data->clk_sec); -err_sensor: - if (!IS_ERR(data->regulator)) - regulator_disable(data->regulator); - return ret; } @@ -1089,9 +1075,6 @@ static int exynos_tmu_remove(struct platform_device *pdev) if (!IS_ERR(data->clk_sec)) clk_unprepare(data->clk_sec); - if (!IS_ERR(data->regulator)) - regulator_disable(data->regulator); - return 0; } -- 2.41.0