diff mbox series

[v3,4/8] thermal: exynos: handle devm_regulator_get_optional return value correctly

Message ID 20231003111638.241542-5-m.majewski2@samsung.com (mailing list archive)
State New, archived
Headers show
Series Improve Exynos thermal driver | expand

Commit Message

Mateusz Majewski Oct. 3, 2023, 11:16 a.m. UTC 
Currently, if regulator is required in the SoC, but
devm_regulator_get_optional fails for whatever reason, the execution
will proceed without propagating the error.

Signed-off-by: Mateusz Majewski <m.majewski2@samsung.com>
---
 drivers/thermal/samsung/exynos_tmu.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

Comments

Krzysztof Kozlowski Oct. 6, 2023, 1:15 p.m. UTC | #1 
On 03/10/2023 13:16, Mateusz Majewski wrote:
> Currently, if regulator is required in the SoC, but
> devm_regulator_get_optional fails for whatever reason, the execution
> will proceed without propagating the error.
> 
> Signed-off-by: Mateusz Majewski <m.majewski2@samsung.com>
> ---

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index 0e970638193d..6070b03cff9d 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -1002,9 +1002,17 @@  static int exynos_tmu_probe(struct platform_device *pdev)
 			return ret;
 		}
 	} else {
-		if (PTR_ERR(data->regulator) == -EPROBE_DEFER)
+		ret = PTR_ERR(data->regulator);
+		switch (ret) {
+		case -ENODEV:
+			break;
+		case -EPROBE_DEFER:
 			return -EPROBE_DEFER;
-		dev_info(&pdev->dev, "Regulator node (vtmu) not found\n");
+		default:
+			dev_err(&pdev->dev, "Failed to get regulator: %d\n",
+				ret);
+			return ret;
+		}
 	}
 
 	ret = exynos_map_dt_data(pdev);