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Date: Tue, 17 Jul 2018 10:12:18 +0000
From: Anand Moon <linux.amoon@...il.com>
To: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
Zhang Rui <rui.zhang@...el.com>,
Eduardo Valentin <edubezval@...il.com>,
Kukjin Kim <kgene@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>
Cc: linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, Anand Moon <linux.amoon@...il.com>
Subject: [PATCH 1/5] thermal: exynos: enable core tmu clk on exynos platform
clk_summary do not show tmu_apbif clk enable, so replace
the clk_prepare with clk_prepare_enables to enable tmu clk.
simplify the enable of tmu_triminfo_apbif clk, also fixed
the order of goto error for failed cases.
CC: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Signed-off-by: Anand Moon <linux.amoon@...il.com>
---
before:
cat /sys/kernel/debug/clk/clk_summary | grep tmu
tmu_gpu 0 2 66600000 0 0
tmu 0 6 66600000 0 0
after:
cat /sys/kernel/debug/clk/clk_summary | grep tmu
tmu_gpu 2 2 0 66600000 0 0
tmu 6 6 0 66600000 0 0
---
drivers/thermal/samsung/exynos_tmu.c | 45 ++++++++++++++++++------------------
1 file changed, 22 insertions(+), 23 deletions(-)
diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index a992e51..0164c9e 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -1060,41 +1060,40 @@ static int exynos_tmu_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Failed to get clock\n");
ret = PTR_ERR(data->clk);
goto err_sensor;
- }
-
- 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;
- }
} else {
- ret = clk_prepare(data->clk_sec);
+ ret = clk_prepare_enable(data->clk);
if (ret) {
dev_err(&pdev->dev, "Failed to get clock\n");
goto err_sensor;
}
}
- ret = clk_prepare(data->clk);
- if (ret) {
- dev_err(&pdev->dev, "Failed to get clock\n");
- goto err_clk_sec;
- }
-
switch (data->soc) {
+ case SOC_ARCH_EXYNOS5420_TRIMINFO:
+ data->clk_sec = devm_clk_get(&pdev->dev, "tmu_triminfo_apbif");
+ if (IS_ERR(data->clk_sec)) {
+ dev_err(&pdev->dev, "Failed to get triminfo clock\n");
+ ret = PTR_ERR(data->clk_sec);
+ goto err_clk;
+ } else {
+ ret = clk_prepare_enable(data->clk_sec);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to get clock\n");
+ goto err_clk;
+ }
+ }
+ break;
case SOC_ARCH_EXYNOS5433:
case SOC_ARCH_EXYNOS7:
data->sclk = devm_clk_get(&pdev->dev, "tmu_sclk");
if (IS_ERR(data->sclk)) {
dev_err(&pdev->dev, "Failed to get sclk\n");
- goto err_clk;
+ goto err_clk_sec;
} else {
ret = clk_prepare_enable(data->sclk);
if (ret) {
dev_err(&pdev->dev, "Failed to enable sclk\n");
- goto err_clk;
+ goto err_clk_sec;
}
}
break;
@@ -1134,11 +1133,11 @@ static int exynos_tmu_probe(struct platform_device *pdev)
thermal_zone_of_sensor_unregister(&pdev->dev, data->tzd);
err_sclk:
clk_disable_unprepare(data->sclk);
-err_clk:
- clk_unprepare(data->clk);
err_clk_sec:
if (!IS_ERR(data->clk_sec))
- clk_unprepare(data->clk_sec);
+ clk_disable_unprepare(data->clk_sec);
+err_clk:
+ clk_disable_unprepare(data->clk);
err_sensor:
if (!IS_ERR(data->regulator))
regulator_disable(data->regulator);
@@ -1155,9 +1154,9 @@ static int exynos_tmu_remove(struct platform_device *pdev)
exynos_tmu_control(pdev, false);
clk_disable_unprepare(data->sclk);
- clk_unprepare(data->clk);
+ clk_disable_unprepare(data->clk);
if (!IS_ERR(data->clk_sec))
- clk_unprepare(data->clk_sec);
+ clk_disable_unprepare(data->clk_sec);
if (!IS_ERR(data->regulator))
regulator_disable(data->regulator);
--
2.7.4
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