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Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next

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Pull timer core updates from Thomas Gleixner:
 "This time you get nothing really exciting:
   - A huge update to the sh* clocksource drivers
   - Support for two more ARM SoCs
   - Removal of the deprecated setup_sched_clock() API
   - The usual pile of fixlets all over the place"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
  clocksource: Add Freescale FlexTimer Module (FTM) timer support
  ARM: dts: vf610: Add Freescale FlexTimer Module timer node.
  clocksource: ftm: Add FlexTimer Module (FTM) Timer devicetree Documentation
  clocksource: sh_tmu: Remove unnecessary OOM messages
  clocksource: sh_mtu2: Remove unnecessary OOM messages
  clocksource: sh_cmt: Remove unnecessary OOM messages
  clocksource: em_sti: Remove unnecessary OOM messages
  clocksource: dw_apb_timer_of: Do not trace read_sched_clock
  clocksource: Fix clocksource_mmio_readX_down
  clocksource: Fix type confusion for clocksource_mmio_readX_Y
  clocksource: sh_tmu: Fix channel IRQ retrieval in legacy case
  clocksource: qcom: Implement read_current_timer for udelay
  ntp: Make is_error_status() use its argument
  ntp: Convert simple_strtol to kstrtol
  timer_stats/doc: Fix /proc/timer_stats documentation
  sched_clock: Remove deprecated setup_sched_clock() API
  ARM: sun6i: a31: Add support for the High Speed Timers
  clocksource: sun5i: Add support for reset controller
  clocksource: efm32: use $vendor,$device scheme for compatible string
  KConfig: Vexpress: build the ARM_GLOBAL_TIMER with vexpress platform
  ...
This commit is contained in:
Linus Torvalds
2014-06-04 15:57:20 -07:00
parent f1a7cd0ffe 331b483f42
commit 82e627eb5e
25 changed files with 496 additions and 50 deletions
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17
kernel/time/ntp.c
View File

@@ -165,21 +165,21 @@ static inline void pps_set_freq(s64 freq)
static inline int is_error_status(int status)
{
return (time_status & (STA_UNSYNC|STA_CLOCKERR))
return (status & (STA_UNSYNC|STA_CLOCKERR))
/* PPS signal lost when either PPS time or
* PPS frequency synchronization requested
*/
|| ((time_status & (STA_PPSFREQ|STA_PPSTIME))
&& !(time_status & STA_PPSSIGNAL))
|| ((status & (STA_PPSFREQ|STA_PPSTIME))
&& !(status & STA_PPSSIGNAL))
/* PPS jitter exceeded when
* PPS time synchronization requested */
|| ((time_status & (STA_PPSTIME|STA_PPSJITTER))
|| ((status & (STA_PPSTIME|STA_PPSJITTER))
== (STA_PPSTIME|STA_PPSJITTER))
/* PPS wander exceeded or calibration error when
* PPS frequency synchronization requested
*/
|| ((time_status & STA_PPSFREQ)
&& (time_status & (STA_PPSWANDER|STA_PPSERROR)));
|| ((status & STA_PPSFREQ)
&& (status & (STA_PPSWANDER|STA_PPSERROR)));
}
static inline void pps_fill_timex(struct timex *txc)
@@ -923,7 +923,10 @@ void __hardpps(const struct timespec *phase_ts, const struct timespec *raw_ts)
static int __init ntp_tick_adj_setup(char *str)
{
ntp_tick_adj = simple_strtol(str, NULL, 0);
int rc = kstrtol(str, 0, (long *)&ntp_tick_adj);
if (rc)
return rc;
ntp_tick_adj <<= NTP_SCALE_SHIFT;
return 1;

13
kernel/time/sched_clock.c
View File

@@ -49,13 +49,6 @@ static u64 notrace jiffy_sched_clock_read(void)
return (u64)(jiffies - INITIAL_JIFFIES);
}
static u32 __read_mostly (*read_sched_clock_32)(void);
static u64 notrace read_sched_clock_32_wrapper(void)
{
return read_sched_clock_32();
}
static u64 __read_mostly (*read_sched_clock)(void) = jiffy_sched_clock_read;
static inline u64 notrace cyc_to_ns(u64 cyc, u32 mult, u32 shift)
@@ -176,12 +169,6 @@ void __init sched_clock_register(u64 (*read)(void), int bits,
pr_debug("Registered %pF as sched_clock source\n", read);
}
void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate)
{
read_sched_clock_32 = read;
sched_clock_register(read_sched_clock_32_wrapper, bits, rate);
}
void __init sched_clock_postinit(void)
{
/*