cpuidle.c (c39f2d9db0fd81ea20bb5cce9b3f082ca63753e2) cpuidle.c (259231a045616c4101d023a8f4dcc8379af265a6)
1/*
2 * cpuidle.c - core cpuidle infrastructure
3 *
4 * (C) 2006-2007 Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
5 * Shaohua Li <shaohua.li@intel.com>
6 * Adam Belay <abelay@novell.com>
7 *
8 * This code is licenced under the GPL.

--- 348 unchanged lines hidden (view full) ---

357 */
358void cpuidle_reflect(struct cpuidle_device *dev, int index)
359{
360 if (cpuidle_curr_governor->reflect && index >= 0)
361 cpuidle_curr_governor->reflect(dev, index);
362}
363
364/**
1/*
2 * cpuidle.c - core cpuidle infrastructure
3 *
4 * (C) 2006-2007 Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
5 * Shaohua Li <shaohua.li@intel.com>
6 * Adam Belay <abelay@novell.com>
7 *
8 * This code is licenced under the GPL.

--- 348 unchanged lines hidden (view full) ---

357 */
358void cpuidle_reflect(struct cpuidle_device *dev, int index)
359{
360 if (cpuidle_curr_governor->reflect && index >= 0)
361 cpuidle_curr_governor->reflect(dev, index);
362}
363
364/**
365 * cpuidle_poll_time - return amount of time to poll for,
366 * governors can override dev->poll_limit_ns if necessary
367 *
368 * @drv: the cpuidle driver tied with the cpu
369 * @dev: the cpuidle device
370 *
371 */
372u64 cpuidle_poll_time(struct cpuidle_driver *drv,
373 struct cpuidle_device *dev)
374{
375 int i;
376 u64 limit_ns;
377
378 if (dev->poll_limit_ns)
379 return dev->poll_limit_ns;
380
381 limit_ns = TICK_NSEC;
382 for (i = 1; i < drv->state_count; i++) {
383 if (drv->states[i].disabled || dev->states_usage[i].disable)
384 continue;
385
386 limit_ns = (u64)drv->states[i].target_residency * NSEC_PER_USEC;
387 }
388
389 dev->poll_limit_ns = limit_ns;
390
391 return dev->poll_limit_ns;
392}
393
394/**
365 * cpuidle_install_idle_handler - installs the cpuidle idle loop handler
366 */
367void cpuidle_install_idle_handler(void)
368{
369 if (enabled_devices) {
370 /* Make sure all changes finished before we switch to new idle */
371 smp_wmb();
372 initialized = 1;

--- 378 unchanged lines hidden --- 		395 * cpuidle_install_idle_handler - installs the cpuidle idle loop handler
396 */
397void cpuidle_install_idle_handler(void)
398{
399 if (enabled_devices) {
400 /* Make sure all changes finished before we switch to new idle */
401 smp_wmb();
402 initialized = 1;

--- 378 unchanged lines hidden ---