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intel_idle: Annotate initialization code and data structures

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Annotate the functions that are only used at the initialization time
with __init and the data structures used by them with __initdata or
__initconst.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2020-01-10 11:51:22 +01:00
parent 0755a9bd99
commit 095928ae48
1 changed files with 14 additions and 13 deletions
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27
drivers/idle/intel_idle.c
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@ -1148,7 +1148,7 @@ static const struct x86_cpu_id intel_mwait_ids[] __initconst = {
{}
};
static bool intel_idle_max_cstate_reached(int cstate)
static bool __init intel_idle_max_cstate_reached(int cstate)
{
if (cstate + 1 > max_cstate) {
pr_info("max_cstate %d reached\n", max_cstate);
@ -1164,7 +1164,7 @@ static bool no_acpi __read_mostly;
module_param(no_acpi, bool, 0444);
MODULE_PARM_DESC(no_acpi, "Do not use ACPI _CST for building the idle states list");
static struct acpi_processor_power acpi_state_table;
static struct acpi_processor_power acpi_state_table __initdata;
/**
* intel_idle_cst_usable - Check if the _CST information can be used.
@ -1172,7 +1172,7 @@ static struct acpi_processor_power acpi_state_table;
* Check if all of the C-states listed by _CST in the max_cstate range are
* ACPI_CSTATE_FFH, which means that they should be entered via MWAIT.
*/
static bool intel_idle_cst_usable(void)
static bool __init intel_idle_cst_usable(void)
{
int cstate, limit;
@ -1189,7 +1189,7 @@ static bool intel_idle_cst_usable(void)
return true;
}
static bool intel_idle_acpi_cst_extract(void)
static bool __init intel_idle_acpi_cst_extract(void)
{
unsigned int cpu;
@ -1224,7 +1224,7 @@ static bool intel_idle_acpi_cst_extract(void)
return false;
}
static void intel_idle_init_cstates_acpi(struct cpuidle_driver *drv)
static void __init intel_idle_init_cstates_acpi(struct cpuidle_driver *drv)
{
int cstate, limit = min_t(int, CPUIDLE_STATE_MAX, acpi_state_table.count);
@ -1268,7 +1268,7 @@ static void intel_idle_init_cstates_acpi(struct cpuidle_driver *drv)
}
}
static bool intel_idle_off_by_default(u32 mwait_hint)
static bool __init intel_idle_off_by_default(u32 mwait_hint)
{
int cstate, limit;
@ -1302,7 +1302,7 @@ static inline bool intel_idle_off_by_default(u32 mwait_hint) { return false; }
* Tune IVT multi-socket targets
* Assumption: num_sockets == (max_package_num + 1)
*/
static void ivt_idle_state_table_update(void)
static void __init ivt_idle_state_table_update(void)
{
/* IVT uses a different table for 1-2, 3-4, and > 4 sockets */
int cpu, package_num, num_sockets = 1;
@ -1329,10 +1329,11 @@ static void ivt_idle_state_table_update(void)
* Translate IRTL (Interrupt Response Time Limit) MSR to usec
*/
static unsigned int irtl_ns_units[] = {
1, 32, 1024, 32768, 1048576, 33554432, 0, 0 };
static const unsigned int irtl_ns_units[] __initconst = {
1, 32, 1024, 32768, 1048576, 33554432, 0, 0
};
static unsigned long long irtl_2_usec(unsigned long long irtl)
static unsigned long long __init irtl_2_usec(unsigned long long irtl)
{
unsigned long long ns;
@ -1349,7 +1350,7 @@ static unsigned long long irtl_2_usec(unsigned long long irtl)
* On BXT, we trust the IRTL to show the definitive maximum latency
* We use the same value for target_residency.
*/
static void bxt_idle_state_table_update(void)
static void __init bxt_idle_state_table_update(void)
{
unsigned long long msr;
unsigned int usec;
@ -1396,7 +1397,7 @@ static void bxt_idle_state_table_update(void)
* On SKL-H (model 0x5e) disable C8 and C9 if:
* C10 is enabled and SGX disabled
*/
static void sklh_idle_state_table_update(void)
static void __init sklh_idle_state_table_update(void)
{
unsigned long long msr;
unsigned int eax, ebx, ecx, edx;
@ -1433,7 +1434,7 @@ static void sklh_idle_state_table_update(void)
skl_cstates[6].flags |= CPUIDLE_FLAG_UNUSABLE; /* C9-SKL */
}
static void intel_idle_init_cstates_icpu(struct cpuidle_driver *drv)
static void __init intel_idle_init_cstates_icpu(struct cpuidle_driver *drv)
{
int cstate;