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Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm

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Pull more ARM updates from Russell King.

This got a fair number of conflicts with the <asm/system.h> split, but
also with some other sparse-irq and header file include cleanups.  They
all looked pretty trivial, though.

* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (59 commits)
  ARM: fix Kconfig warning for HAVE_BPF_JIT
  ARM: 7361/1: provide XIP_VIRT_ADDR for no-MMU builds
  ARM: 7349/1: integrator: convert to sparse irqs
  ARM: 7259/3: net: JIT compiler for packet filters
  ARM: 7334/1: add jump label support
  ARM: 7333/2: jump label: detect %c support for ARM
  ARM: 7338/1: add support for early console output via semihosting
  ARM: use set_current_blocked() and block_sigmask()
  ARM: exec: remove redundant set_fs(USER_DS)
  ARM: 7332/1: extract out code patch function from kprobes
  ARM: 7331/1: extract out insn generation code from ftrace
  ARM: 7330/1: ftrace: use canonical Thumb-2 wide instruction format
  ARM: 7351/1: ftrace: remove useless memory checks
  ARM: 7316/1: kexec: EOI active and mask all interrupts in kexec crash path
  ARM: Versatile Express: add NO_IOPORT
  ARM: get rid of asm/irq.h in asm/prom.h
  ARM: 7319/1: Print debug info for SIGBUS in user faults
  ARM: 7318/1: gic: refactor irq_start assignment
  ARM: 7317/1: irq: avoid NULL check in for_each_irq_desc loop
  ARM: 7315/1: perf: add support for the Cortex-A7 PMU
  ...
This commit is contained in:
Linus Torvalds
2012-03-29 16:53:48 -07:00
parent 1c03658877 b0df898680
commit 12679a2d7e
159 changed files with 2236 additions and 534 deletions
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21
arch/arm/mach-prima2/timer.c
View File

@@ -18,6 +18,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <mach/map.h>
#include <asm/sched_clock.h>
#include <asm/mach/time.h>
#define SIRFSOC_TIMER_COUNTER_LO 0x0000
@@ -165,21 +166,9 @@ static struct irqaction sirfsoc_timer_irq = {
};
/* Overwrite weak default sched_clock with more precise one */
unsigned long long notrace sched_clock(void)
static u32 notrace sirfsoc_read_sched_clock(void)
{
static int is_mapped;
/*
* sched_clock is called earlier than .init of sys_timer
* if we map timer memory in .init of sys_timer, system
* will panic due to illegal memory access
*/
if (!is_mapped) {
sirfsoc_of_timer_map();
is_mapped = 1;
}
return sirfsoc_timer_read(NULL) * (NSEC_PER_SEC / CLOCK_TICK_RATE);
return (u32)(sirfsoc_timer_read(NULL) & 0xffffffff);
}
static void __init sirfsoc_clockevent_init(void)
@@ -210,6 +199,8 @@ static void __init sirfsoc_timer_init(void)
BUG_ON(rate < CLOCK_TICK_RATE);
BUG_ON(rate % CLOCK_TICK_RATE);
sirfsoc_of_timer_map();
writel_relaxed(rate / CLOCK_TICK_RATE / 2 - 1, sirfsoc_timer_base + SIRFSOC_TIMER_DIV);
writel_relaxed(0, sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_LO);
writel_relaxed(0, sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_HI);
@@ -217,6 +208,8 @@ static void __init sirfsoc_timer_init(void)
BUG_ON(clocksource_register_hz(&sirfsoc_clocksource, CLOCK_TICK_RATE));
setup_sched_clock(sirfsoc_read_sched_clock, 32, CLOCK_TICK_RATE);
BUG_ON(setup_irq(sirfsoc_timer_irq.irq, &sirfsoc_timer_irq));
sirfsoc_clockevent_init();