9c92ab6191
Based on 1 normalized pattern(s): this software is licensed under the terms of the gnu general public license version 2 as published by the free software foundation and may be copied distributed and modified under those terms this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 285 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2013, The Linux Foundation. All rights reserved.
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*/
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#include <linux/bitops.h>
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#include <linux/export.h>
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#include <linux/regmap.h>
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#include <linux/reset-controller.h>
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#include <linux/delay.h>
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#include "reset.h"
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static int qcom_reset(struct reset_controller_dev *rcdev, unsigned long id)
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{
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rcdev->ops->assert(rcdev, id);
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udelay(1);
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rcdev->ops->deassert(rcdev, id);
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return 0;
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}
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static int
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qcom_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)
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{
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struct qcom_reset_controller *rst;
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const struct qcom_reset_map *map;
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u32 mask;
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rst = to_qcom_reset_controller(rcdev);
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map = &rst->reset_map[id];
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mask = BIT(map->bit);
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return regmap_update_bits(rst->regmap, map->reg, mask, mask);
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}
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static int
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qcom_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id)
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{
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struct qcom_reset_controller *rst;
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const struct qcom_reset_map *map;
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u32 mask;
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rst = to_qcom_reset_controller(rcdev);
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map = &rst->reset_map[id];
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mask = BIT(map->bit);
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return regmap_update_bits(rst->regmap, map->reg, mask, 0);
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}
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const struct reset_control_ops qcom_reset_ops = {
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.reset = qcom_reset,
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.assert = qcom_reset_assert,
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.deassert = qcom_reset_deassert,
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};
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EXPORT_SYMBOL_GPL(qcom_reset_ops);
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