cregit-Linux how code gets into the kernel

Release 4.14 arch/sh/kernel/time.c

Directory: arch/sh/kernel
/*
 *  arch/sh/kernel/time.c
 *
 *  Copyright (C) 1999  Tetsuya Okada & Niibe Yutaka
 *  Copyright (C) 2000  Philipp Rumpf <prumpf@tux.org>
 *  Copyright (C) 2002 - 2009  Paul Mundt
 *  Copyright (C) 2002  M. R. Brown  <mrbrown@linux-sh.org>
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/profile.h>
#include <linux/timex.h>
#include <linux/sched.h>
#include <linux/clockchips.h>
#include <linux/platform_device.h>
#include <linux/smp.h>
#include <linux/rtc.h>
#include <asm/clock.h>
#include <asm/rtc.h>

/* Dummy RTC ops */

static void null_rtc_get_time(struct timespec *tv) { tv->tv_sec = mktime(2000, 1, 1, 0, 0, 0); tv->tv_nsec = 0; }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt36100.00%2100.00%
Total36100.00%2100.00%


static int null_rtc_set_time(const time_t secs) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt1292.31%266.67%
Linus Torvalds (pre-git)17.69%133.33%
Total13100.00%3100.00%

void (*rtc_sh_get_time)(struct timespec *) = null_rtc_get_time; int (*rtc_sh_set_time)(const time_t) = null_rtc_set_time;
void read_persistent_clock(struct timespec *ts) { rtc_sh_get_time(ts); }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt960.00%150.00%
Martin Schwidefsky640.00%150.00%
Total15100.00%2100.00%

#ifdef CONFIG_GENERIC_CMOS_UPDATE
int update_persistent_clock(struct timespec now) { return rtc_sh_set_time(now.tv_sec); }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt17100.00%1100.00%
Total17100.00%1100.00%

#endif
static int rtc_generic_get_time(struct device *dev, struct rtc_time *tm) { struct timespec tv; rtc_sh_get_time(&tv); rtc_time_to_tm(tv.tv_sec, tm); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt3078.95%150.00%
Arnd Bergmann821.05%150.00%
Total38100.00%2100.00%


static int rtc_generic_set_time(struct device *dev, struct rtc_time *tm) { unsigned long secs; rtc_tm_to_time(tm, &secs); if ((rtc_sh_set_time == null_rtc_set_time) || (rtc_sh_set_time(secs) < 0)) return -EOPNOTSUPP; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Arnd Bergmann2650.00%150.00%
Paul Mundt2650.00%150.00%
Total52100.00%2100.00%

static const struct rtc_class_ops rtc_generic_ops = { .read_time = rtc_generic_get_time, .set_time = rtc_generic_set_time, };
static int __init rtc_generic_init(void) { struct platform_device *pdev; if (rtc_sh_get_time == null_rtc_get_time) return -ENODEV; pdev = platform_device_register_data(NULL, "rtc-generic", -1, &rtc_generic_ops, sizeof(rtc_generic_ops)); return PTR_ERR_OR_ZERO(pdev); }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt4080.00%133.33%
Arnd Bergmann918.00%133.33%
Fabian Frederick12.00%133.33%
Total50100.00%3100.00%

device_initcall(rtc_generic_init); void (*board_time_init)(void);
static void __init sh_late_time_init(void) { /* * Make sure all compiled-in early timers register themselves. * * Run probe() for two "earlytimer" devices, these will be the * clockevents and clocksource devices respectively. In the event * that only a clockevents device is available, we -ENODEV on the * clocksource and the jiffies clocksource is used transparently * instead. No error handling is necessary here. */ early_platform_driver_register_all("earlytimer"); early_platform_driver_probe("earlytimer", 2, 0); }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt24100.00%1100.00%
Total24100.00%1100.00%


void __init time_init(void) { if (board_time_init) board_time_init(); clk_init(); late_time_init = sh_late_time_init; }

Contributors

PersonTokensPropCommitsCommitProp
Magnus Damm1986.36%150.00%
Paul Mundt313.64%150.00%
Total22100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Paul Mundt25269.23%1352.00%
Arnd Bergmann6116.76%14.00%
Magnus Damm226.04%28.00%
Linus Torvalds (pre-git)154.12%416.00%
Martin Schwidefsky61.65%14.00%
William Lee Irwin III30.82%14.00%
John Stultz30.82%14.00%
Fabian Frederick10.27%14.00%
Paul Gortmaker10.27%14.00%
Total364100.00%25100.00%
Directory: arch/sh/kernel
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