exynos cpuidle update for v3.17

- add callbacks exynos_suspend() and exynos_powered_up()
   for support cpuidle through mcpm
 - skip exynos_cpuidle for exynos5420 because is uses
   cpuidle-big-liggle generic cpuidle driver
 - add generic functions to calculate cpu number is used
   for pmu and this is required for exynos5420 multi-cluster
 - add of_device_id structure for big.LITTLE cpuidle and
   add "samsung,exynos5420" compatible string for exynos5420
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Merge tag 'exynos-cpuidle' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc

Merge "Samsung exynos cpuidle update for v3.17" from Kukjin Kim:

- add callbacks exynos_suspend() and exynos_powered_up()
  for support cpuidle through mcpm
- skip exynos_cpuidle for exynos5420 because is uses
  cpuidle-big-liggle generic cpuidle driver
- add generic functions to calculate cpu number is used
  for pmu and this is required for exynos5420 multi-cluster
- add of_device_id structure for big.LITTLE cpuidle and
  add "samsung,exynos5420" compatible string for exynos5420

* tag 'exynos-cpuidle' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: populate suspend and powered_up callbacks for mcpm
  ARM: EXYNOS: do not allow cpuidle registration for exynos5420
  cpuidle: big.LITTLE: init driver for exynos5420
  cpuidle: big.LITTLE: Add ARCH_EXYNOS entry in config
  ARM: EXYNOS: add generic function to calculate cpu number
  cpuidle: big.LITTLE: add of_device_id structure
  + Linux 3.16-rc5

Signed-off-by: Olof Johansson <[email protected]>
This commit is contained in:
Olof Johansson 2014-07-19 15:03:08 -07:00
commit f37ac9e5a4
357 changed files with 2938 additions and 1296 deletions

View file

@ -162,7 +162,7 @@ static void exynos4_mct_frc_start(void)
exynos4_mct_write(reg, EXYNOS4_MCT_G_TCON);
}
static cycle_t exynos4_frc_read(struct clocksource *cs)
static cycle_t notrace _exynos4_frc_read(void)
{
unsigned int lo, hi;
u32 hi2 = __raw_readl(reg_base + EXYNOS4_MCT_G_CNT_U);
@ -176,6 +176,11 @@ static cycle_t exynos4_frc_read(struct clocksource *cs)
return ((cycle_t)hi << 32) | lo;
}
static cycle_t exynos4_frc_read(struct clocksource *cs)
{
return _exynos4_frc_read();
}
static void exynos4_frc_resume(struct clocksource *cs)
{
exynos4_mct_frc_start();
@ -192,13 +197,24 @@ struct clocksource mct_frc = {
static u64 notrace exynos4_read_sched_clock(void)
{
return exynos4_frc_read(&mct_frc);
return _exynos4_frc_read();
}
static struct delay_timer exynos4_delay_timer;
static cycles_t exynos4_read_current_timer(void)
{
return _exynos4_frc_read();
}
static void __init exynos4_clocksource_init(void)
{
exynos4_mct_frc_start();
exynos4_delay_timer.read_current_timer = &exynos4_read_current_timer;
exynos4_delay_timer.freq = clk_rate;
register_current_timer_delay(&exynos4_delay_timer);
if (clocksource_register_hz(&mct_frc, clk_rate))
panic("%s: can't register clocksource\n", mct_frc.name);