cregit-Linux how code gets into the kernel

Release 4.7 drivers/rtc/rtc-test.c

Directory: drivers/rtc
/*
 * An RTC test device/driver
 * Copyright (C) 2005 Tower Technologies
 * Author: Alessandro Zummo <a.zummo@towertech.it>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

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


static int test_mmss64;
module_param(test_mmss64, int, 0644);
MODULE_PARM_DESC(test_mmss64, "Test struct rtc_class_ops.set_mmss64().");



static struct platform_device *test0 = NULL, *test1 = NULL;


static int test_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
alessandro zummoalessandro zummo19100.00%1100.00%
Total19100.00%1100.00%


static int test_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
alessandro zummoalessandro zummo19100.00%1100.00%
Total19100.00%1100.00%


static int test_rtc_read_time(struct device *dev, struct rtc_time *tm) { rtc_time64_to_tm(ktime_get_real_seconds(), tm); return 0; }

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alessandro zummoalessandro zummo2592.59%150.00%
pang xunleipang xunlei27.41%150.00%
Total27100.00%2100.00%


static int test_rtc_set_mmss64(struct device *dev, time64_t secs) { dev_info(dev, "%s, secs = %lld\n", __func__, (long long)secs); return 0; }

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pang xunleipang xunlei32100.00%1100.00%
Total32100.00%1100.00%


static int test_rtc_set_mmss(struct device *dev, unsigned long secs) { dev_info(dev, "%s, secs = %lu\n", __func__, secs); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
alessandro zummoalessandro zummo29100.00%2100.00%
Total29100.00%2100.00%


static int test_rtc_proc(struct device *dev, struct seq_file *seq) { struct platform_device *plat_dev = to_platform_device(dev); seq_printf(seq, "test\t\t: yes\n"); seq_printf(seq, "id\t\t: %d\n", plat_dev->id); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
alessandro zummoalessandro zummo47100.00%1100.00%
Total47100.00%1100.00%


static int test_rtc_alarm_irq_enable(struct device *dev, unsigned int enable) { return 0; }

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PersonTokensPropCommitsCommitProp
alessandro zummoalessandro zummo1688.89%150.00%
john stultzjohn stultz211.11%150.00%
Total18100.00%2100.00%

static struct rtc_class_ops test_rtc_ops = { .proc = test_rtc_proc, .read_time = test_rtc_read_time, .read_alarm = test_rtc_read_alarm, .set_alarm = test_rtc_set_alarm, .set_mmss = test_rtc_set_mmss, .alarm_irq_enable = test_rtc_alarm_irq_enable, };
static ssize_t test_irq_show(struct device *dev, struct device_attribute *attr, char *buf) { return sprintf(buf, "%d\n", 42); }

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PersonTokensPropCommitsCommitProp
alessandro zummoalessandro zummo30100.00%1100.00%
Total30100.00%1100.00%


static ssize_t test_irq_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { int retval; struct platform_device *plat_dev = to_platform_device(dev); struct rtc_device *rtc = platform_get_drvdata(plat_dev); retval = count; if (strncmp(buf, "tick", 4) == 0 && rtc->pie_enabled) rtc_update_irq(rtc, 1, RTC_PF | RTC_IRQF); else if (strncmp(buf, "alarm", 5) == 0) { struct rtc_wkalrm alrm; int err = rtc_read_alarm(rtc, &alrm); if (!err && alrm.enabled) rtc_update_irq(rtc, 1, RTC_AF | RTC_IRQF); } else if (strncmp(buf, "update", 6) == 0 && rtc->uie_rtctimer.enabled) rtc_update_irq(rtc, 1, RTC_UF | RTC_IRQF); else retval = -EINVAL; return retval; }

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PersonTokensPropCommitsCommitProp
alessandro zummoalessandro zummo13478.82%150.00%
marcelo roberto jimenezmarcelo roberto jimenez3621.18%150.00%
Total170100.00%2100.00%

static DEVICE_ATTR(irq, S_IRUGO | S_IWUSR, test_irq_show, test_irq_store);
static int test_probe(struct platform_device *plat_dev) { int err; struct rtc_device *rtc; if (test_mmss64) { test_rtc_ops.set_mmss64 = test_rtc_set_mmss64; test_rtc_ops.set_mmss = NULL; } rtc = devm_rtc_device_register(&plat_dev->dev, "test", &test_rtc_ops, THIS_MODULE); if (IS_ERR(rtc)) { return PTR_ERR(rtc); } err = device_create_file(&plat_dev->dev, &dev_attr_irq); if (err) dev_err(&plat_dev->dev, "Unable to create sysfs entry: %s\n", dev_attr_irq.attr.name); platform_set_drvdata(plat_dev, rtc); return 0; }

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PersonTokensPropCommitsCommitProp
alessandro zummoalessandro zummo8172.32%240.00%
pang xunleipang xunlei1816.07%120.00%
jingoo hanjingoo han76.25%120.00%
jeff garzikjeff garzik65.36%120.00%
Total112100.00%5100.00%


static int test_remove(struct platform_device *plat_dev) { device_remove_file(&plat_dev->dev, &dev_attr_irq); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
alessandro zummoalessandro zummo25100.00%1100.00%
Total25100.00%1100.00%

static struct platform_driver test_driver = { .probe = test_probe, .remove = test_remove, .driver = { .name = "rtc-test", }, };
static int __init test_init(void) { int err; if ((err = platform_driver_register(&test_driver))) return err; if ((test0 = platform_device_alloc("rtc-test", 0)) == NULL) { err = -ENOMEM; goto exit_driver_unregister; } if ((test1 = platform_device_alloc("rtc-test", 1)) == NULL) { err = -ENOMEM; goto exit_put_test0; } if ((err = platform_device_add(test0))) goto exit_put_test1; if ((err = platform_device_add(test1))) goto exit_del_test0; return 0; exit_del_test0: platform_device_del(test0); exit_put_test1: platform_device_put(test1); exit_put_test0: platform_device_put(test0); exit_driver_unregister: platform_driver_unregister(&test_driver); return err; }

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PersonTokensPropCommitsCommitProp
alessandro zummoalessandro zummo13193.57%133.33%
wei yongjunwei yongjun75.00%133.33%
sam ravnborgsam ravnborg21.43%133.33%
Total140100.00%3100.00%


static void __exit test_exit(void) { platform_device_unregister(test0); platform_device_unregister(test1); platform_driver_unregister(&test_driver); }

Contributors

PersonTokensPropCommitsCommitProp
alessandro zummoalessandro zummo2496.00%150.00%
sam ravnborgsam ravnborg14.00%150.00%
Total25100.00%2100.00%

MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); MODULE_DESCRIPTION("RTC test driver/device"); MODULE_LICENSE("GPL"); module_init(test_init); module_exit(test_exit);

Overall Contributors

PersonTokensPropCommitsCommitProp
alessandro zummoalessandro zummo70683.85%330.00%
pang xunleipang xunlei728.55%110.00%
marcelo roberto jimenezmarcelo roberto jimenez364.28%110.00%
jingoo hanjingoo han70.83%110.00%
wei yongjunwei yongjun70.83%110.00%
jeff garzikjeff garzik60.71%110.00%
john stultzjohn stultz40.48%110.00%
sam ravnborgsam ravnborg40.48%110.00%
Total842100.00%10100.00%
Directory: drivers/rtc
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