cregit-Linux how code gets into the kernel

Release 4.7 drivers/mfd/da9052-spi.c

Directory: drivers/mfd
/*
 * SPI access for Dialog DA9052 PMICs.
 *
 * Copyright(c) 2011 Dialog Semiconductor Ltd.
 *
 * Author: David Dajun Chen <dchen@diasemi.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.
 *
 */

#include <linux/device.h>
#include <linux/module.h>
#include <linux/input.h>
#include <linux/mfd/core.h>
#include <linux/spi/spi.h>
#include <linux/err.h>

#include <linux/mfd/da9052/da9052.h>


static int da9052_spi_probe(struct spi_device *spi) { struct regmap_config config; int ret; const struct spi_device_id *id = spi_get_device_id(spi); struct da9052 *da9052; da9052 = devm_kzalloc(&spi->dev, sizeof(struct da9052), GFP_KERNEL); if (!da9052) return -ENOMEM; spi->mode = SPI_MODE_0; spi->bits_per_word = 8; spi_setup(spi); da9052->dev = &spi->dev; da9052->chip_irq = spi->irq; spi_set_drvdata(spi, da9052); config = da9052_regmap_config; config.read_flag_mask = 1; config.reg_bits = 7; config.pad_bits = 1; config.val_bits = 8; config.use_single_rw = 1; da9052->regmap = devm_regmap_init_spi(spi, &config); if (IS_ERR(da9052->regmap)) { ret = PTR_ERR(da9052->regmap); dev_err(&spi->dev, "Failed to allocate register map: %d\n", ret); return ret; } return da9052_device_init(da9052, id->driver_data); }

Contributors

PersonTokensPropCommitsCommitProp
ashish jangamashish jangam14474.61%116.67%
adam wardadam ward2412.44%116.67%
axel linaxel lin2311.92%233.33%
jingoo hanjingoo han10.52%116.67%
javier martinez canillasjavier martinez canillas10.52%116.67%
Total193100.00%6100.00%


static int da9052_spi_remove(struct spi_device *spi) { struct da9052 *da9052 = spi_get_drvdata(spi); da9052_device_exit(da9052); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
ashish jangamashish jangam2896.55%150.00%
jingoo hanjingoo han13.45%150.00%
Total29100.00%2100.00%

static struct spi_device_id da9052_spi_id[] = { {"da9052", DA9052}, {"da9053-aa", DA9053_AA}, {"da9053-ba", DA9053_BA}, {"da9053-bb", DA9053_BB}, {"da9053-bc", DA9053_BC}, {} }; static struct spi_driver da9052_spi_driver = { .probe = da9052_spi_probe, .remove = da9052_spi_remove, .id_table = da9052_spi_id, .driver = { .name = "da9052", }, };
static int __init da9052_spi_init(void) { int ret; ret = spi_register_driver(&da9052_spi_driver); if (ret != 0) { pr_err("Failed to register DA9052 SPI driver, %d\n", ret); return ret; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
ashish jangamashish jangam41100.00%1100.00%
Total41100.00%1100.00%

subsys_initcall(da9052_spi_init);
static void __exit da9052_spi_exit(void) { spi_unregister_driver(&da9052_spi_driver); }

Contributors

PersonTokensPropCommitsCommitProp
ashish jangamashish jangam15100.00%1100.00%
Total15100.00%1100.00%

module_exit(da9052_spi_exit); MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>"); MODULE_DESCRIPTION("SPI driver for Dialog DA9052 PMIC"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
ashish jangamashish jangam34185.89%114.29%
adam wardadam ward246.05%114.29%
axel linaxel lin235.79%228.57%
anthony olechanthony olech61.51%114.29%
jingoo hanjingoo han20.50%114.29%
javier martinez canillasjavier martinez canillas10.25%114.29%
Total397100.00%7100.00%
Directory: drivers/mfd
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