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.zolnier...@samsung.com>
Signed-off-by: Anand Moon <linux.am...@gmail.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

Reply via email to