diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 20 | ||||
| -rw-r--r-- | drivers/acpi/utilities/utmisc.c | 18 |
2 files changed, 24 insertions, 14 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 5f51057518b..807b0df308f 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -274,8 +274,6 @@ static void acpi_processor_idle(void) } } - cx->usage++; - #ifdef CONFIG_HOTPLUG_CPU /* * Check for P_LVL2_UP flag before entering C2 and above on @@ -283,9 +281,12 @@ static void acpi_processor_idle(void) * detection phase, to work cleanly with logical CPU hotplug. */ if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) && - !pr->flags.has_cst && acpi_fadt.plvl2_up) - cx->type = ACPI_STATE_C1; + !pr->flags.has_cst && !acpi_fadt.plvl2_up) + cx = &pr->power.states[ACPI_STATE_C1]; #endif + + cx->usage++; + /* * Sleep: * ------ @@ -386,6 +387,15 @@ static void acpi_processor_idle(void) next_state = pr->power.state; +#ifdef CONFIG_HOTPLUG_CPU + /* Don't do promotion/demotion */ + if ((cx->type == ACPI_STATE_C1) && (num_online_cpus() > 1) && + !pr->flags.has_cst && !acpi_fadt.plvl2_up) { + next_state = cx; + goto end; + } +#endif + /* * Promotion? * ---------- @@ -557,7 +567,7 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) * Check for P_LVL2_UP flag before entering C2 and above on * an SMP system. */ - if ((num_online_cpus() > 1) && acpi_fadt.plvl2_up) + if ((num_online_cpus() > 1) && !acpi_fadt.plvl2_up) return_VALUE(-ENODEV); #endif diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c index 0c5abc536c7..2ce872d7589 100644 --- a/drivers/acpi/utilities/utmisc.c +++ b/drivers/acpi/utilities/utmisc.c @@ -84,14 +84,14 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) /* Find a free owner ID */ - for (i = 0; i < 32; i++) { - if (!(acpi_gbl_owner_id_mask & (1 << i))) { + for (i = 0; i < 64; i++) { + if (!(acpi_gbl_owner_id_mask & (1ULL << i))) { ACPI_DEBUG_PRINT((ACPI_DB_VALUES, - "Current owner_id mask: %8.8X New ID: %2.2X\n", + "Current owner_id mask: %16.16LX New ID: %2.2X\n", acpi_gbl_owner_id_mask, (unsigned int)(i + 1))); - acpi_gbl_owner_id_mask |= (1 << i); + acpi_gbl_owner_id_mask |= (1ULL << i); *owner_id = (acpi_owner_id) (i + 1); goto exit; } @@ -106,7 +106,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) */ *owner_id = 0; status = AE_OWNER_ID_LIMIT; - ACPI_REPORT_ERROR(("Could not allocate new owner_id (32 max), AE_OWNER_ID_LIMIT\n")); + ACPI_REPORT_ERROR(("Could not allocate new owner_id (64 max), AE_OWNER_ID_LIMIT\n")); exit: (void)acpi_ut_release_mutex(ACPI_MTX_CACHES); @@ -123,7 +123,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) * control method or unloading a table. Either way, we would * ignore any error anyway. * - * DESCRIPTION: Release a table or method owner ID. Valid IDs are 1 - 32 + * DESCRIPTION: Release a table or method owner ID. Valid IDs are 1 - 64 * ******************************************************************************/ @@ -140,7 +140,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr) /* Zero is not a valid owner_iD */ - if ((owner_id == 0) || (owner_id > 32)) { + if ((owner_id == 0) || (owner_id > 64)) { ACPI_REPORT_ERROR(("Invalid owner_id: %2.2X\n", owner_id)); return_VOID; } @@ -158,8 +158,8 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr) /* Free the owner ID only if it is valid */ - if (acpi_gbl_owner_id_mask & (1 << owner_id)) { - acpi_gbl_owner_id_mask ^= (1 << owner_id); + if (acpi_gbl_owner_id_mask & (1ULL << owner_id)) { + acpi_gbl_owner_id_mask ^= (1ULL << owner_id); } (void)acpi_ut_release_mutex(ACPI_MTX_CACHES); |