Message-ID: <alpine.DEB.2.11.1605170927510.4044@nanos>
Date:	Tue, 17 May 2016 09:30:01 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: [GIT pull] timer updates for 4.7

Linus,

please pull the latest timers-core-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-core-for-linus

A rather small set of patches from the timer departement:

  - Some more y2038 work
  - Yet another new clocksource driver
  - The usual set of small fixes, cleanups and enhancements

Thanks,

	tglx

------------------>
Baolin Wang (2):
      security: Introduce security_settime64()
      time: Introduce do_sys_settimeofday64()

David Lechner (1):
      clocksource: Add missing include of of.h.

Jisheng Zhang (1):
      clockevents/drivers/dw_apb_timer: Implement ->set_state_oneshot_stopped()

Julia Lawall (1):
      clocksource/drivers/mtk_timer: Add __init attribute

Thierry Reding (1):
      clocksource/drivers/tegra: Remove unused suspend/resume code

Vladimir Murzin (2):
      dt-bindings: document the MPS2 timer bindings
      clockevents/driversi/mps2: add MPS2 Timer driver


 .../devicetree/bindings/timer/arm,mps2-timer.txt   |  28 +++
 drivers/clocksource/Kconfig                        |   6 +
 drivers/clocksource/Makefile                       |   1 +
 drivers/clocksource/dw_apb_timer.c                 |   1 +
 drivers/clocksource/mps2-timer.c                   | 275 +++++++++++++++++++++
 drivers/clocksource/mtk_timer.c                    |   2 +-
 drivers/clocksource/tegra20_timer.c                |  14 --
 include/linux/clocksource.h                        |   1 +
 include/linux/lsm_hooks.h                          |   5 +-
 include/linux/security.h                           |  20 +-
 include/linux/timekeeping.h                        |  17 +-
 kernel/time/time.c                                 |   8 +-
 security/commoncap.c                               |   2 +-
 security/security.c                                |   2 +-
 14 files changed, 354 insertions(+), 28 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/timer/arm,mps2-timer.txt
 create mode 100644 drivers/clocksource/mps2-timer.c

diff --git a/Documentation/devicetree/bindings/timer/arm,mps2-timer.txt b/Documentation/devicetree/bindings/timer/arm,mps2-timer.txt
new file mode 100644
index 000000000000..48f84d74edde
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/arm,mps2-timer.txt
@@ -0,0 +1,28 @@
+ARM MPS2 timer
+
+The MPS2 platform has simple general-purpose 32 bits timers.
+
+Required properties:
+- compatible	: Should be "arm,mps2-timer"
+- reg		: Address and length of the register set
+- interrupts	: Reference to the timer interrupt
+
+Required clocking property, have to be one of:
+- clocks	  : The input clock of the timer
+- clock-frequency : The rate in HZ in input of the ARM MPS2 timer
+
+Examples:
+
+timer1: mps2-timer@...00000 {
+	compatible = "arm,mps2-timer";
+	reg = <0x40000000 0x1000>;
+	interrupts = <8>;
+	clocks = <&sysclk>;
+};
+
+timer2: mps2-timer@...01000 {
+	compatible = "arm,mps2-timer";
+	reg = <0x40001000 0x1000>;
+	interrupts = <9>;
+	clock-frequency = <25000000>;
+};
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index c346be650892..6ff327abc555 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -186,6 +186,12 @@ config CLKSRC_STM32
 	depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
 	select CLKSRC_MMIO
 
+config CLKSRC_MPS2
+	bool "Clocksource for MPS2 SoCs" if COMPILE_TEST
+	depends on GENERIC_SCHED_CLOCK
+	select CLKSRC_MMIO
+	select CLKSRC_OF
+
 config ARM_ARCH_TIMER
 	bool
 	select CLKSRC_OF if OF
diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile
index dc2b8997f6e6..b0a3c96fcd4f 100644
--- a/drivers/clocksource/Makefile
+++ b/drivers/clocksource/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_CLKSRC_EFM32)	+= time-efm32.o
 obj-$(CONFIG_CLKSRC_STM32)	+= timer-stm32.o
 obj-$(CONFIG_CLKSRC_EXYNOS_MCT)	+= exynos_mct.o
 obj-$(CONFIG_CLKSRC_LPC32XX)	+= time-lpc32xx.o
+obj-$(CONFIG_CLKSRC_MPS2)	+= mps2-timer.o
 obj-$(CONFIG_CLKSRC_SAMSUNG_PWM)	+= samsung_pwm_timer.o
 obj-$(CONFIG_FSL_FTM_TIMER)	+= fsl_ftm_timer.o
 obj-$(CONFIG_VF_PIT_TIMER)	+= vf_pit_timer.o
diff --git a/drivers/clocksource/dw_apb_timer.c b/drivers/clocksource/dw_apb_timer.c
index 63345260244d..797505aa2ba4 100644
--- a/drivers/clocksource/dw_apb_timer.c
+++ b/drivers/clocksource/dw_apb_timer.c
@@ -264,6 +264,7 @@ dw_apb_clockevent_init(int cpu, const char *name, unsigned rating,
 	dw_ced->ced.set_state_shutdown = apbt_shutdown;
 	dw_ced->ced.set_state_periodic = apbt_set_periodic;
 	dw_ced->ced.set_state_oneshot = apbt_set_oneshot;
+	dw_ced->ced.set_state_oneshot_stopped = apbt_shutdown;
 	dw_ced->ced.tick_resume = apbt_resume;
 	dw_ced->ced.set_next_event = apbt_next_event;
 	dw_ced->ced.irq = dw_ced->timer.irq;
diff --git a/drivers/clocksource/mps2-timer.c b/drivers/clocksource/mps2-timer.c
new file mode 100644
index 000000000000..3d33a5e23dee
--- /dev/null
+++ b/drivers/clocksource/mps2-timer.c
@@ -0,0 +1,275 @@
+/*
+ * Copyright (C) 2015 ARM Limited
+ *
+ * Author: Vladimir Murzin <vladimir.murzin@....com>
+ *
+ * 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.
+ *
+ */
+
+#define pr_fmt(fmt)	KBUILD_MODNAME ": " fmt
+
+#include <linux/clk.h>
+#include <linux/clockchips.h>
+#include <linux/clocksource.h>
+#include <linux/err.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/of_address.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/sched_clock.h>
+#include <linux/slab.h>
+
+#define TIMER_CTRL		0x0
+#define TIMER_CTRL_ENABLE	BIT(0)
+#define TIMER_CTRL_IE		BIT(3)
+
+#define TIMER_VALUE		0x4
+#define TIMER_RELOAD		0x8
+#define TIMER_INT		0xc
+
+struct clockevent_mps2 {
+	void __iomem *reg;
+	u32 clock_count_per_tick;
+	struct clock_event_device clkevt;
+};
+
+static void __iomem *sched_clock_base;
+
+static u64 notrace mps2_sched_read(void)
+{
+	return ~readl_relaxed(sched_clock_base + TIMER_VALUE);
+}
+
+static inline struct clockevent_mps2 *to_mps2_clkevt(struct clock_event_device *c)
+{
+	return container_of(c, struct clockevent_mps2, clkevt);
+}
+
+static void clockevent_mps2_writel(u32 val, struct clock_event_device *c, u32 offset)
+{
+	writel_relaxed(val, to_mps2_clkevt(c)->reg + offset);
+}
+
+static int mps2_timer_shutdown(struct clock_event_device *ce)
+{
+	clockevent_mps2_writel(0, ce, TIMER_RELOAD);
+	clockevent_mps2_writel(0, ce, TIMER_CTRL);
+
+	return 0;
+}
+
+static int mps2_timer_set_next_event(unsigned long next, struct clock_event_device *ce)
+{
+	clockevent_mps2_writel(next, ce, TIMER_VALUE);
+	clockevent_mps2_writel(TIMER_CTRL_IE | TIMER_CTRL_ENABLE, ce, TIMER_CTRL);
+
+	return 0;
+}
+
+static int mps2_timer_set_periodic(struct clock_event_device *ce)
+{
+	u32 clock_count_per_tick = to_mps2_clkevt(ce)->clock_count_per_tick;
+
+	clockevent_mps2_writel(clock_count_per_tick, ce, TIMER_RELOAD);
+	clockevent_mps2_writel(clock_count_per_tick, ce, TIMER_VALUE);
+	clockevent_mps2_writel(TIMER_CTRL_IE | TIMER_CTRL_ENABLE, ce, TIMER_CTRL);
+
+	return 0;
+}
+
+static irqreturn_t mps2_timer_interrupt(int irq, void *dev_id)
+{
+	struct clockevent_mps2 *ce = dev_id;
+	u32 status = readl_relaxed(ce->reg + TIMER_INT);
+
+	if (!status) {
+		pr_warn("spurious interrupt\n");
+		return IRQ_NONE;
+	}
+
+	writel_relaxed(1, ce->reg + TIMER_INT);
+
+	ce->clkevt.event_handler(&ce->clkevt);
+
+	return IRQ_HANDLED;
+}
+
+static int __init mps2_clockevent_init(struct device_node *np)
+{
+	void __iomem *base;
+	struct clk *clk = NULL;
+	struct clockevent_mps2 *ce;
+	u32 rate;
+	int irq, ret;
+	const char *name = "mps2-clkevt";
+
+	ret = of_property_read_u32(np, "clock-frequency", &rate);
+	if (ret) {
+		clk = of_clk_get(np, 0);
+		if (IS_ERR(clk)) {
+			ret = PTR_ERR(clk);
+			pr_err("failed to get clock for clockevent: %d\n", ret);
+			goto out;
+		}
+
+		ret = clk_prepare_enable(clk);
+		if (ret) {
+			pr_err("failed to enable clock for clockevent: %d\n", ret);
+			goto out_clk_put;
+		}
+
+		rate = clk_get_rate(clk);
+	}
+
+	base = of_iomap(np, 0);
+	if (!base) {
+		ret = -EADDRNOTAVAIL;
+		pr_err("failed to map register for clockevent: %d\n", ret);
+		goto out_clk_disable;
+	}
+
+	irq = irq_of_parse_and_map(np, 0);
+	if (!irq) {
+		ret = -ENOENT;
+		pr_err("failed to get irq for clockevent: %d\n", ret);
+		goto out_iounmap;
+	}
+
+	ce = kzalloc(sizeof(*ce), GFP_KERNEL);
+	if (!ce) {
+		ret = -ENOMEM;
+		goto out_iounmap;
+	}
+
+	ce->reg = base;
+	ce->clock_count_per_tick = DIV_ROUND_CLOSEST(rate, HZ);
+	ce->clkevt.irq = irq;
+	ce->clkevt.name = name;
+	ce->clkevt.rating = 200;
+	ce->clkevt.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
+	ce->clkevt.cpumask = cpu_possible_mask;
+	ce->clkevt.set_state_shutdown	= mps2_timer_shutdown,
+	ce->clkevt.set_state_periodic	= mps2_timer_set_periodic,
+	ce->clkevt.set_state_oneshot	= mps2_timer_shutdown,
+	ce->clkevt.set_next_event	= mps2_timer_set_next_event;
+
+	/* Ensure timer is disabled */
+	writel_relaxed(0, base + TIMER_CTRL);
+
+	ret = request_irq(irq, mps2_timer_interrupt, IRQF_TIMER, name, ce);
+	if (ret) {
+		pr_err("failed to request irq for clockevent: %d\n", ret);
+		goto out_kfree;
+	}
+
+	clockevents_config_and_register(&ce->clkevt, rate, 0xf, 0xffffffff);
+
+	return 0;
+
+out_kfree:
+	kfree(ce);
+out_iounmap:
+	iounmap(base);
+out_clk_disable:
+	/* clk_{disable, unprepare, put}() can handle NULL as a parameter */
+	clk_disable_unprepare(clk);
+out_clk_put:
+	clk_put(clk);
+out:
+	return ret;
+}
+
+static int __init mps2_clocksource_init(struct device_node *np)
+{
+	void __iomem *base;
+	struct clk *clk = NULL;
+	u32 rate;
+	int ret;
+	const char *name = "mps2-clksrc";
+
+	ret = of_property_read_u32(np, "clock-frequency", &rate);
+	if (ret) {
+		clk = of_clk_get(np, 0);
+		if (IS_ERR(clk)) {
+			ret = PTR_ERR(clk);
+			pr_err("failed to get clock for clocksource: %d\n", ret);
+			goto out;
+		}
+
+		ret = clk_prepare_enable(clk);
+		if (ret) {
+			pr_err("failed to enable clock for clocksource: %d\n", ret);
+			goto out_clk_put;
+		}
+
+		rate = clk_get_rate(clk);
+	}
+
+	base = of_iomap(np, 0);
+	if (!base) {
+		ret = -EADDRNOTAVAIL;
+		pr_err("failed to map register for clocksource: %d\n", ret);
+		goto out_clk_disable;
+	}
+
+	/* Ensure timer is disabled */
+	writel_relaxed(0, base + TIMER_CTRL);
+
+	/* ... and set it up as free-running clocksource */
+	writel_relaxed(0xffffffff, base + TIMER_VALUE);
+	writel_relaxed(0xffffffff, base + TIMER_RELOAD);
+
+	writel_relaxed(TIMER_CTRL_ENABLE, base + TIMER_CTRL);
+
+	ret = clocksource_mmio_init(base + TIMER_VALUE, name,
+				    rate, 200, 32,
+				    clocksource_mmio_readl_down);
+	if (ret) {
+		pr_err("failed to init clocksource: %d\n", ret);
+		goto out_iounmap;
+	}
+
+	sched_clock_base = base;
+	sched_clock_register(mps2_sched_read, 32, rate);
+
+	return 0;
+
+out_iounmap:
+	iounmap(base);
+out_clk_disable:
+	/* clk_{disable, unprepare, put}() can handle NULL as a parameter */
+	clk_disable_unprepare(clk);
+out_clk_put:
+	clk_put(clk);
+out:
+	return ret;
+}
+
+static void __init mps2_timer_init(struct device_node *np)
+{
+	static int has_clocksource, has_clockevent;
+	int ret;
+
+	if (!has_clocksource) {
+		ret = mps2_clocksource_init(np);
+		if (!ret) {
+			has_clocksource = 1;
+			return;
+		}
+	}
+
+	if (!has_clockevent) {
+		ret = mps2_clockevent_init(np);
+		if (!ret) {
+			has_clockevent = 1;
+			return;
+		}
+	}
+}
+
+CLOCKSOURCE_OF_DECLARE(mps2_timer, "arm,mps2-timer", mps2_timer_init);
diff --git a/drivers/clocksource/mtk_timer.c b/drivers/clocksource/mtk_timer.c
index d67bc356488f..7e583f8ea5f4 100644
--- a/drivers/clocksource/mtk_timer.c
+++ b/drivers/clocksource/mtk_timer.c
@@ -152,7 +152,7 @@ static irqreturn_t mtk_timer_interrupt(int irq, void *dev_id)
 }
 
 static void
-mtk_timer_setup(struct mtk_clock_event_device *evt, u8 timer, u8 option)
+__init mtk_timer_setup(struct mtk_clock_event_device *evt, u8 timer, u8 option)
 {
 	writel(TIMER_CTRL_CLEAR | TIMER_CTRL_DISABLE,
 		evt->gpt_base + TIMER_CTRL_REG(timer));
diff --git a/drivers/clocksource/tegra20_timer.c b/drivers/clocksource/tegra20_timer.c
index 38333aba3055..7b94ad2ab278 100644
--- a/drivers/clocksource/tegra20_timer.c
+++ b/drivers/clocksource/tegra20_timer.c
@@ -258,17 +258,3 @@ static void __init tegra20_init_rtc(struct device_node *np)
 	register_persistent_clock(NULL, tegra_read_persistent_clock64);
 }
 CLOCKSOURCE_OF_DECLARE(tegra20_rtc, "nvidia,tegra20-rtc", tegra20_init_rtc);
-
-#ifdef CONFIG_PM
-static u32 usec_config;
-
-void tegra_timer_suspend(void)
-{
-	usec_config = timer_readl(TIMERUS_USEC_CFG);
-}
-
-void tegra_timer_resume(void)
-{
-	timer_writel(usec_config, TIMERUS_USEC_CFG);
-}
-#endif
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index a307bf62974f..44a1aff22566 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -15,6 +15,7 @@
 #include <linux/cache.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/of.h>
 #include <asm/div64.h>
 #include <asm/io.h>
 
diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index cdee11cbcdf1..41ab4662f95c 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -1190,7 +1190,8 @@
  *	Return 0 if permission is granted.
  * @settime:
  *	Check permission to change the system time.
- *	struct timespec and timezone are defined in include/linux/time.h
+ *	struct timespec64 is defined in include/linux/time64.h and timezone
+ *	is defined in include/linux/time.h
  *	@ts contains new time
  *	@tz contains new timezone
  *	Return 0 if permission is granted.
@@ -1327,7 +1328,7 @@ union security_list_options {
 	int (*quotactl)(int cmds, int type, int id, struct super_block *sb);
 	int (*quota_on)(struct dentry *dentry);
 	int (*syslog)(int type);
-	int (*settime)(const struct timespec *ts, const struct timezone *tz);
+	int (*settime)(const struct timespec64 *ts, const struct timezone *tz);
 	int (*vm_enough_memory)(struct mm_struct *mm, long pages);
 
 	int (*bprm_set_creds)(struct linux_binprm *bprm);
diff --git a/include/linux/security.h b/include/linux/security.h
index 157f0cb1e4d2..35ac8d9d4739 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -71,7 +71,7 @@ struct timezone;
 /* These functions are in security/commoncap.c */
 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
 		       int cap, int audit);
-extern int cap_settime(const struct timespec *ts, const struct timezone *tz);
+extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
 extern int cap_ptrace_traceme(struct task_struct *parent);
 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
@@ -208,7 +208,13 @@ int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
 int security_quota_on(struct dentry *dentry);
 int security_syslog(int type);
-int security_settime(const struct timespec *ts, const struct timezone *tz);
+int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
+static inline int security_settime(const struct timespec *ts, const struct timezone *tz)
+{
+	struct timespec64 ts64 = timespec_to_timespec64(*ts);
+
+	return security_settime64(&ts64, tz);
+}
 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
 int security_bprm_set_creds(struct linux_binprm *bprm);
 int security_bprm_check(struct linux_binprm *bprm);
@@ -462,10 +468,18 @@ static inline int security_syslog(int type)
 	return 0;
 }
 
+static inline int security_settime64(const struct timespec64 *ts,
+				     const struct timezone *tz)
+{
+	return cap_settime(ts, tz);
+}
+
 static inline int security_settime(const struct timespec *ts,
 				   const struct timezone *tz)
 {
-	return cap_settime(ts, tz);
+	struct timespec64 ts64 = timespec_to_timespec64(*ts);
+
+	return cap_settime(&ts64, tz);
 }
 
 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 96f37bee3bc1..37dbacf84849 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -1,6 +1,8 @@
 #ifndef _LINUX_TIMEKEEPING_H
 #define _LINUX_TIMEKEEPING_H
 
+#include <asm-generic/errno-base.h>
+
 /* Included from linux/ktime.h */
 
 void timekeeping_init(void);
@@ -11,8 +13,19 @@ extern int timekeeping_suspended;
  */
 extern void do_gettimeofday(struct timeval *tv);
 extern int do_settimeofday64(const struct timespec64 *ts);
-extern int do_sys_settimeofday(const struct timespec *tv,
-			       const struct timezone *tz);
+extern int do_sys_settimeofday64(const struct timespec64 *tv,
+				 const struct timezone *tz);
+static inline int do_sys_settimeofday(const struct timespec *tv,
+				      const struct timezone *tz)
+{
+	struct timespec64 ts64;
+
+	if (!tv)
+		return -EINVAL;
+
+	ts64 = timespec_to_timespec64(*tv);
+	return do_sys_settimeofday64(&ts64, tz);
+}
 
 /*
  * Kernel time accessors
diff --git a/kernel/time/time.c b/kernel/time/time.c
index be115b020d27..a4064b612066 100644
--- a/kernel/time/time.c
+++ b/kernel/time/time.c
@@ -160,15 +160,15 @@ static inline void warp_clock(void)
  * various programs will get confused when the clock gets warped.
  */
 
-int do_sys_settimeofday(const struct timespec *tv, const struct timezone *tz)
+int do_sys_settimeofday64(const struct timespec64 *tv, const struct timezone *tz)
 {
 	static int firsttime = 1;
 	int error = 0;
 
-	if (tv && !timespec_valid(tv))
+	if (tv && !timespec64_valid(tv))
 		return -EINVAL;
 
-	error = security_settime(tv, tz);
+	error = security_settime64(tv, tz);
 	if (error)
 		return error;
 
@@ -186,7 +186,7 @@ int do_sys_settimeofday(const struct timespec *tv, const struct timezone *tz)
 		}
 	}
 	if (tv)
-		return do_settimeofday(tv);
+		return do_settimeofday64(tv);
 	return 0;
 }
 
diff --git a/security/commoncap.c b/security/commoncap.c
index 48071ed7c445..2074bf6a2fe3 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -111,7 +111,7 @@ int cap_capable(const struct cred *cred, struct user_namespace *targ_ns,
  * Determine whether the current process may set the system clock and timezone
  * information, returning 0 if permission granted, -ve if denied.
  */
-int cap_settime(const struct timespec *ts, const struct timezone *tz)
+int cap_settime(const struct timespec64 *ts, const struct timezone *tz)
 {
 	if (!capable(CAP_SYS_TIME))
 		return -EPERM;
diff --git a/security/security.c b/security/security.c
index 3644b0344d29..8c44a64f191d 100644
--- a/security/security.c
+++ b/security/security.c
@@ -208,7 +208,7 @@ int security_syslog(int type)
 	return call_int_hook(syslog, 0, type);
 }
 
-int security_settime(const struct timespec *ts, const struct timezone *tz)
+int security_settime64(const struct timespec64 *ts, const struct timezone *tz)
 {
 	return call_int_hook(settime, 0, ts, tz);
 }

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