diff options
author | Wei Ni <wni@nvidia.com> | 2016-03-29 18:29:20 +0800 |
---|---|---|
committer | Eduardo Valentin <edubezval@gmail.com> | 2016-05-17 07:28:29 -0700 |
commit | 8de2ab023598bcb874e2182ab6ea7355bbf33af6 (patch) | |
tree | 950ea59022246572006ff47f4e8f71c3caadb8a3 /drivers/thermal/tegra | |
parent | 2a895871f27fdc82ac7b365d3f94e2c7b3467898 (diff) | |
download | linux-8de2ab023598bcb874e2182ab6ea7355bbf33af6.tar.bz2 |
thermal: tegra: handle clocks in one function
Handle clock enable/disable codes in one function
soctherm_clk_enable(), so that the codes are more clear.
Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'drivers/thermal/tegra')
-rw-r--r-- | drivers/thermal/tegra/soctherm.c | 51 |
1 files changed, 36 insertions, 15 deletions
diff --git a/drivers/thermal/tegra/soctherm.c b/drivers/thermal/tegra/soctherm.c index 365b45213327..deeb3b7e4dac 100644 --- a/drivers/thermal/tegra/soctherm.c +++ b/drivers/thermal/tegra/soctherm.c @@ -428,6 +428,39 @@ static void soctherm_debug_init(struct platform_device *pdev) static inline void soctherm_debug_init(struct platform_device *pdev) {} #endif +static int soctherm_clk_enable(struct platform_device *pdev, bool enable) +{ + struct tegra_soctherm *tegra = platform_get_drvdata(pdev); + int err; + + if (!tegra->clock_soctherm || !tegra->clock_tsensor) + return -EINVAL; + + reset_control_assert(tegra->reset); + + if (enable) { + err = clk_prepare_enable(tegra->clock_soctherm); + if (err) { + reset_control_deassert(tegra->reset); + return err; + } + + err = clk_prepare_enable(tegra->clock_tsensor); + if (err) { + clk_disable_unprepare(tegra->clock_soctherm); + reset_control_deassert(tegra->reset); + return err; + } + } else { + clk_disable_unprepare(tegra->clock_tsensor); + clk_disable_unprepare(tegra->clock_soctherm); + } + + reset_control_deassert(tegra->reset); + + return 0; +} + static const struct of_device_id tegra_soctherm_of_match[] = { #ifdef CONFIG_ARCH_TEGRA_124_SOC { @@ -496,20 +529,10 @@ static int tegra_soctherm_probe(struct platform_device *pdev) return PTR_ERR(tegra->clock_soctherm); } - reset_control_assert(tegra->reset); - - err = clk_prepare_enable(tegra->clock_soctherm); + err = soctherm_clk_enable(pdev, true); if (err) return err; - err = clk_prepare_enable(tegra->clock_tsensor); - if (err) { - clk_disable_unprepare(tegra->clock_soctherm); - return err; - } - - reset_control_deassert(tegra->reset); - /* Initialize raw sensors */ tegra->calib = devm_kzalloc(&pdev->dev, @@ -579,8 +602,7 @@ static int tegra_soctherm_probe(struct platform_device *pdev) return 0; disable_clocks: - clk_disable_unprepare(tegra->clock_tsensor); - clk_disable_unprepare(tegra->clock_soctherm); + soctherm_clk_enable(pdev, false); return err; } @@ -591,8 +613,7 @@ static int tegra_soctherm_remove(struct platform_device *pdev) debugfs_remove_recursive(tegra->debugfs_dir); - clk_disable_unprepare(tegra->clock_tsensor); - clk_disable_unprepare(tegra->clock_soctherm); + soctherm_clk_enable(pdev, false); return 0; } |