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Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux

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Pull thermal management updates from Zhang Rui:

 - Improve thermal cpu_cooling interaction with cpufreq core.

   The cpu_cooling driver is designed to use CPU frequency scaling to
   avoid high thermal states for a platform. But it wasn't glued really
   well with cpufreq core.

   For example clipped-cpus is copied from the policy structure and its
   much better to use the policy->cpus (or related_cpus) fields directly
   as they may have got updated. Not that things were broken before this
   series, but they can be optimized a bit more.

   This series tries to improve interactions between cpufreq core and
   cpu_cooling driver and does some fixes/cleanups to the cpu_cooling
   driver. (Viresh Kumar)

 - A couple of fixes and cleanups in thermal core and imx, hisilicon,
   bcm_2835, int340x thermal drivers. (Arvind Yadav, Dan Carpenter,
   Sumeet Pawnikar, Srinivas Pandruvada, Willy WOLFF)

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (24 commits)
  thermal: bcm2835: fix an error code in probe()
  thermal: hisilicon: Handle return value of clk_prepare_enable
  thermal: imx: Handle return value of clk_prepare_enable
  thermal: int340x: check for sensor when PTYP is missing
  Thermal/int340x: Fix few typos and kernel-doc style
  thermal: fix source code documentation for parameters
  thermal: cpu_cooling: Replace kmalloc with kmalloc_array
  thermal: cpu_cooling: Rearrange struct cpufreq_cooling_device
  thermal: cpu_cooling: 'freq' can't be zero in cpufreq_state2power()
  thermal: cpu_cooling: don't store cpu_dev in cpufreq_cdev
  thermal: cpu_cooling: get_level() can't fail
  thermal: cpu_cooling: create structure for idle time stats
  thermal: cpu_cooling: merge frequency and power tables
  thermal: cpu_cooling: get rid of 'allowed_cpus'
  thermal: cpu_cooling: OPPs are registered for all CPUs
  thermal: cpu_cooling: store cpufreq policy
  cpufreq: create cpufreq_table_count_valid_entries()
  thermal: cpu_cooling: use cpufreq_policy to register cooling device
  thermal: cpu_cooling: get rid of a variable in cpufreq_set_cur_state()
  thermal: cpu_cooling: remove cpufreq_cooling_get_level()
  ...
This commit is contained in:
Linus Torvalds
2017-07-14 13:12:32 -07:00
parent 907afe5923 5d72ed3567
commit 4d25ec1966
18 changed files with 344 additions and 421 deletions
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14
include/linux/cpufreq.h
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@@ -862,6 +862,20 @@ static inline int cpufreq_frequency_table_target(struct cpufreq_policy *policy,
return -EINVAL;
}
}
static inline int cpufreq_table_count_valid_entries(const struct cpufreq_policy *policy)
{
struct cpufreq_frequency_table *pos;
int count = 0;
if (unlikely(!policy->freq_table))
return 0;
cpufreq_for_each_valid_entry(pos, policy->freq_table)
count++;
return count;
}
#else
static inline int cpufreq_boost_trigger_state(int state)
{