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f7c42d9862
Upon failure to probe the DFLL, the OPP table will not be cleaned up properly. Fix this and while at it make sure the OPP table will also be cleared upon driver removal. Signed-off-by: Thierry Reding <treding@nvidia.com>
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/*
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* clk-dfll.h - prototypes and macros for the Tegra DFLL clocksource driver
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* Copyright (C) 2013 NVIDIA Corporation. All rights reserved.
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*
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* Aleksandr Frid <afrid@nvidia.com>
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* Paul Walmsley <pwalmsley@nvidia.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#ifndef __DRIVERS_CLK_TEGRA_CLK_DFLL_H
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#define __DRIVERS_CLK_TEGRA_CLK_DFLL_H
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#include <linux/platform_device.h>
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#include <linux/reset.h>
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#include <linux/types.h>
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/**
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* struct tegra_dfll_soc_data - SoC-specific hooks/integration for the DFLL driver
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* @dev: struct device * that holds the OPP table for the DFLL
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* @max_freq: maximum frequency supported on this SoC
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* @cvb: CPU frequency table for this SoC
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* @init_clock_trimmers: callback to initialize clock trimmers
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* @set_clock_trimmers_high: callback to tune clock trimmers for high voltage
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* @set_clock_trimmers_low: callback to tune clock trimmers for low voltage
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*/
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struct tegra_dfll_soc_data {
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struct device *dev;
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unsigned long max_freq;
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const struct cvb_table *cvb;
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void (*init_clock_trimmers)(void);
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void (*set_clock_trimmers_high)(void);
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void (*set_clock_trimmers_low)(void);
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};
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int tegra_dfll_register(struct platform_device *pdev,
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struct tegra_dfll_soc_data *soc);
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int tegra_dfll_unregister(struct platform_device *pdev);
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int tegra_dfll_runtime_suspend(struct device *dev);
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int tegra_dfll_runtime_resume(struct device *dev);
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#endif /* __DRIVERS_CLK_TEGRA_CLK_DFLL_H */
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