diff options
author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-02-06 18:45:29 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-02-11 23:34:58 +0100 |
commit | 6eacb15fef4ef90b8c6467bd80b8be2de1fe1b3a (patch) | |
tree | 3c07f3ba8d774c7f0dc14bf9d94f9731fecfaf53 /drivers/idle | |
parent | 6eb0443ac89d8f256a89bb2a14c8238b86a92a61 (diff) |
intel_idle: Clean up kerneldoc comments for multiple functions
Turn the description comments of some functions in the intel_idle
driver into proper kerneldoc ones and clean them up.
No functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/idle')
-rw-r--r-- | drivers/idle/intel_idle.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 3a93cd1036fb..9575615c8f4a 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -1288,11 +1288,11 @@ static inline void intel_idle_init_cstates_acpi(struct cpuidle_driver *drv) { } static inline bool intel_idle_off_by_default(u32 mwait_hint) { return false; } #endif /* !CONFIG_ACPI_PROCESSOR_CSTATE */ -/* - * ivt_idle_state_table_update(void) +/** + * ivt_idle_state_table_update - Tune the idle states table for Ivy Town. * - * Tune IVT multi-socket targets - * Assumption: num_sockets == (max_package_num + 1) + * Tune IVT multi-socket targets. + * Assumption: num_sockets == (max_package_num + 1). */ static void __init ivt_idle_state_table_update(void) { @@ -1338,11 +1338,11 @@ static unsigned long long __init irtl_2_usec(unsigned long long irtl) return div_u64((irtl & 0x3FF) * ns, NSEC_PER_USEC); } -/* - * bxt_idle_state_table_update(void) +/** + * bxt_idle_state_table_update - Fix up the Broxton idle states table. * - * On BXT, we trust the IRTL to show the definitive maximum latency - * We use the same value for target_residency. + * On BXT, trust the IRTL (Interrupt Response Time Limit) MSR to show the + * definitive maximum latency and use the same value for target_residency. */ static void __init bxt_idle_state_table_update(void) { @@ -1385,11 +1385,11 @@ static void __init bxt_idle_state_table_update(void) } } -/* - * sklh_idle_state_table_update(void) + +/** + * sklh_idle_state_table_update - Fix up the Sky Lake idle states table. * - * On SKL-H (model 0x5e) disable C8 and C9 if: - * C10 is enabled and SGX disabled + * On SKL-H (model 0x5e) skip C8 and C9 if C10 is enabled and SGX disabled. */ static void __init sklh_idle_state_table_update(void) { @@ -1500,9 +1500,9 @@ static void __init intel_idle_init_cstates_icpu(struct cpuidle_driver *drv) } } -/* - * intel_idle_cpuidle_driver_init() - * allocate, initialize cpuidle_states +/** + * intel_idle_cpuidle_driver_init - Create the list of available idle states. + * @drv: cpuidle driver structure to initialize. */ static void __init intel_idle_cpuidle_driver_init(struct cpuidle_driver *drv) { @@ -1537,10 +1537,12 @@ static void c1e_promotion_disable(void) wrmsrl(MSR_IA32_POWER_CTL, msr_bits); } -/* - * intel_idle_cpu_init() - * allocate, initialize, register cpuidle_devices - * @cpu: cpu/core to initialize +/** + * intel_idle_cpu_init - Register the target CPU with the cpuidle core. + * @cpu: CPU to initialize. + * + * Register a cpuidle device object for @cpu and update its MSRs in accordance + * with the processor model flags. */ static int intel_idle_cpu_init(unsigned int cpu) { |