cregit-Linux how code gets into the kernel

Release 4.14 drivers/rtc/rtc-ps3.c

Directory: drivers/rtc
/*
 * PS3 RTC Driver
 *
 * Copyright 2009 Sony Corporation
 *
 * 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; version 2 of the License.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.
 * If not, see <http://www.gnu.org/licenses/>.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/rtc.h>

#include <asm/lv1call.h>
#include <asm/ps3.h>



static u64 read_rtc(void) { int result; u64 rtc_val; u64 tb_val; result = lv1_get_rtc(&rtc_val, &tb_val); BUG_ON(result); return rtc_val; }

Contributors

PersonTokensPropCommitsCommitProp
Geert Uytterhoeven36100.00%1100.00%
Total36100.00%1100.00%


static int ps3_get_time(struct device *dev, struct rtc_time *tm) { rtc_time_to_tm(read_rtc() + ps3_os_area_get_rtc_diff(), tm); return rtc_valid_tm(tm); }

Contributors

PersonTokensPropCommitsCommitProp
Geert Uytterhoeven33100.00%1100.00%
Total33100.00%1100.00%


static int ps3_set_time(struct device *dev, struct rtc_time *tm) { unsigned long now; rtc_tm_to_time(tm, &now); ps3_os_area_set_rtc_diff(now - read_rtc()); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Geert Uytterhoeven39100.00%1100.00%
Total39100.00%1100.00%

static const struct rtc_class_ops ps3_rtc_ops = { .read_time = ps3_get_time, .set_time = ps3_set_time, };
static int __init ps3_rtc_probe(struct platform_device *dev) { struct rtc_device *rtc; rtc = devm_rtc_device_register(&dev->dev, "rtc-ps3", &ps3_rtc_ops, THIS_MODULE); if (IS_ERR(rtc)) return PTR_ERR(rtc); platform_set_drvdata(dev, rtc); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Geert Uytterhoeven5494.74%150.00%
Jingoo Han35.26%150.00%
Total57100.00%2100.00%

static struct platform_driver ps3_rtc_driver = { .driver = { .name = "rtc-ps3", }, }; module_platform_driver_probe(ps3_rtc_driver, ps3_rtc_probe); MODULE_AUTHOR("Sony Corporation"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("ps3 RTC driver"); MODULE_ALIAS("platform:rtc-ps3");

Overall Contributors

PersonTokensPropCommitsCommitProp
Geert Uytterhoeven24298.37%133.33%
Jingoo Han41.63%266.67%
Total246100.00%3100.00%
Directory: drivers/rtc
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