[PATCH v9 3/9] thermal/drivers/exynos: Handle optional triminfo clock correctly
From: Anand Moon <hidden>
Date: 2026-09-13 14:59:49
Also in:
linux-pm, linux-samsung-soc, lkml
Subsystem:
samsung thermal driver, the rest, thermal · Maintainers:
Bartlomiej Zolnierkiewicz, Krzysztof Kozlowski, Linus Torvalds, Rafael J. Wysocki, Daniel Lezcano
The triminfo clock is obtained using devm_clk_get_optional_prepared(), which returns NULL when the optional clock is not present. Update the clock checks in exynos_tmu_initialize() to test for NULL instead of using IS_ERR(), allowing TMU instances without a triminfo clock to initialize correctly. Signed-off-by: Anand Moon <redacted> --- drivers/thermal/samsung/exynos_tmu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index 825dbdef0b9a..a64b11e6acdc 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c@@ -258,7 +258,7 @@ static int exynos_tmu_initialize(struct platform_device *pdev) mutex_lock(&data->lock); clk_enable(data->clk); - if (!IS_ERR(data->clk_sec)) + if (data->clk_sec) clk_enable(data->clk_sec); status = readb(data->base + EXYNOS_TMU_REG_STATUS);
@@ -269,7 +269,7 @@ static int exynos_tmu_initialize(struct platform_device *pdev) data->tmu_clear_irqs(data); } - if (!IS_ERR(data->clk_sec)) + if (data->clk_sec) clk_disable(data->clk_sec); clk_disable(data->clk); mutex_unlock(&data->lock);
--
2.55.0