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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-04-06 15:00:13 +0200 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-04-06 15:00:13 +0200 |
commit | 1c29f6a0f0c6ed44863046b8a51c40d4df804dd9 (patch) | |
tree | 856f734418041f6351406517eb4cba6d616425be /drivers/acpi/processor_idle.c | |
parent | 8cdddd182bd7befae6af49c5fd612893f55d6ccb (diff) | |
parent | 2c25fabdd5f69fb3d33b052dbb21c4d2d9ae4308 (diff) | |
download | linux-stable-1c29f6a0f0c6ed44863046b8a51c40d4df804dd9.tar.gz linux-stable-1c29f6a0f0c6ed44863046b8a51c40d4df804dd9.tar.bz2 linux-stable-1c29f6a0f0c6ed44863046b8a51c40d4df804dd9.zip |
Merge back 'acpi-processor' material for v5.13.
Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r-- | drivers/acpi/processor_idle.c | 38 |
1 files changed, 17 insertions, 21 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 768a6b4d2368..0925b1477230 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -32,9 +32,6 @@ #include <asm/cpu.h> #endif -#define _COMPONENT ACPI_PROCESSOR_COMPONENT -ACPI_MODULE_NAME("processor_idle"); - #define ACPI_IDLE_STATE_START (IS_ENABLED(CONFIG_ARCH_HAS_CPU_RELAX) ? 1 : 0) static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER; @@ -240,8 +237,8 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) * 100 microseconds. */ if (acpi_gbl_FADT.c2_latency > ACPI_PROCESSOR_MAX_C2_LATENCY) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "C2 latency too large [%d]\n", acpi_gbl_FADT.c2_latency)); + acpi_handle_debug(pr->handle, "C2 latency too large [%d]\n", + acpi_gbl_FADT.c2_latency); /* invalidate C2 */ pr->power.states[ACPI_STATE_C2].address = 0; } @@ -251,16 +248,15 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) * 1000 microseconds. */ if (acpi_gbl_FADT.c3_latency > ACPI_PROCESSOR_MAX_C3_LATENCY) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "C3 latency too large [%d]\n", acpi_gbl_FADT.c3_latency)); + acpi_handle_debug(pr->handle, "C3 latency too large [%d]\n", + acpi_gbl_FADT.c3_latency); /* invalidate C3 */ pr->power.states[ACPI_STATE_C3].address = 0; } - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "lvl2[0x%08x] lvl3[0x%08x]\n", + acpi_handle_debug(pr->handle, "lvl2[0x%08x] lvl3[0x%08x]\n", pr->power.states[ACPI_STATE_C2].address, - pr->power.states[ACPI_STATE_C3].address)); + pr->power.states[ACPI_STATE_C3].address); snprintf(pr->power.states[ACPI_STATE_C2].desc, ACPI_CX_DESC_LEN, "ACPI P_LVL2 IOPORT 0x%x", @@ -325,8 +321,8 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, * devices thus we take the conservative approach. */ else if (errata.piix4.fdma) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "C3 not supported on PIIX4 with Type-F DMA\n")); + acpi_handle_debug(pr->handle, + "C3 not supported on PIIX4 with Type-F DMA\n"); return; } @@ -345,13 +341,13 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, if (!pr->flags.bm_control) { if (pr->flags.has_cst != 1) { /* bus mastering control is necessary */ - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "C3 support requires BM control\n")); + acpi_handle_debug(pr->handle, + "C3 support requires BM control\n"); return; } else { /* Here we enter C3 without bus mastering */ - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "C3 support without BM control\n")); + acpi_handle_debug(pr->handle, + "C3 support without BM control\n"); } } } else { @@ -360,9 +356,9 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, * supported on when bm_check is not required. */ if (!(acpi_gbl_FADT.flags & ACPI_FADT_WBINVD)) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, + acpi_handle_debug(pr->handle, "Cache invalidation should work properly" - " for C3 to be enabled on SMP systems\n")); + " for C3 to be enabled on SMP systems\n"); return; } } @@ -791,8 +787,8 @@ static inline void acpi_processor_cstate_first_run_checks(void) dmi_check_system(processor_power_dmi_table); max_cstate = acpi_processor_cstate_check(max_cstate); if (max_cstate < ACPI_C_STATES_MAX) - pr_notice("ACPI: processor limited to max C-state %d\n", - max_cstate); + pr_notice("processor limited to max C-state %d\n", max_cstate); + first_run++; if (nocst) @@ -850,7 +846,7 @@ static int acpi_processor_evaluate_lpi(acpi_handle handle, status = acpi_evaluate_object(handle, "_LPI", NULL, &buffer); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No _LPI, giving up\n")); + acpi_handle_debug(handle, "No _LPI, giving up\n"); return -ENODEV; } |