cregit-Linux how code gets into the kernel

Release 4.14 drivers/regulator/dummy.c

/*
 * dummy.c
 *
 * Copyright 2010 Wolfson Microelectronics PLC.
 *
 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This is useful for systems with mixed controllable and
 * non-controllable regulators, as well as for allowing testing on
 * systems with no controllable regulators.
 */

#include <linux/err.h>
#include <linux/export.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>

#include "dummy.h"


struct regulator_dev *dummy_regulator_rdev;


static struct regulator_init_data dummy_initdata = {
	.constraints = {
		.always_on = 1,
        },
};


static struct regulator_ops dummy_ops;


static const struct regulator_desc dummy_desc = {
	.name = "regulator-dummy",
	.id = -1,
	.type = REGULATOR_VOLTAGE,
	.owner = THIS_MODULE,
	.ops = &dummy_ops,
};


static int dummy_regulator_probe(struct platform_device *pdev) { struct regulator_config config = { }; int ret; config.dev = &pdev->dev; config.init_data = &dummy_initdata; dummy_regulator_rdev = regulator_register(&dummy_desc, &config); if (IS_ERR(dummy_regulator_rdev)) { ret = PTR_ERR(dummy_regulator_rdev); pr_err("Failed to register regulator: %d\n", ret); return ret; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Brown76100.00%3100.00%
Total76100.00%3100.00%

static struct platform_driver dummy_regulator_driver = { .probe = dummy_regulator_probe, .driver = { .name = "reg-dummy", }, }; static struct platform_device *dummy_pdev;
void __init regulator_dummy_init(void) { int ret; dummy_pdev = platform_device_alloc("reg-dummy", -1); if (!dummy_pdev) { pr_err("Failed to allocate dummy regulator device\n"); return; } ret = platform_device_add(dummy_pdev); if (ret != 0) { pr_err("Failed to register dummy regulator device: %d\n", ret); platform_device_put(dummy_pdev); return; } ret = platform_driver_register(&dummy_regulator_driver); if (ret != 0) { pr_err("Failed to register dummy regulator driver: %d\n", ret); platform_device_unregister(dummy_pdev); } }

Contributors

PersonTokensPropCommitsCommitProp
Mark Brown90100.00%2100.00%
Total90100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Mark Brown25893.82%450.00%
Markus Pargmann124.36%112.50%
Paul Gortmaker31.09%112.50%
Uwe Kleine-König10.36%112.50%
Krzysztof Kozlowski10.36%112.50%
Total275100.00%8100.00%
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