diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/ec.c | 17 | ||||
| -rw-r--r-- | drivers/acpi/sleep/poweroff.c | 34 |
2 files changed, 15 insertions, 36 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 8e665f2e3138..fca4140a50a9 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -170,22 +170,19 @@ acpi_ec_enter_burst_mode ( status = acpi_ec_read_status(ec); if (status != -EINVAL && !(status & ACPI_EC_FLAG_BURST)){ - ACPI_DEBUG_PRINT((ACPI_DB_INFO,"entering burst mode \n")); acpi_hw_low_level_write(8, ACPI_EC_BURST_ENABLE, &ec->command_addr); status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF); if (status){ acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); - ACPI_DEBUG_PRINT((ACPI_DB_ERROR," status = %d\n", status)); return_VALUE(-EINVAL); } acpi_hw_low_level_read(8, &tmp, &ec->data_addr); acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); if(tmp != 0x90 ) {/* Burst ACK byte*/ - ACPI_DEBUG_PRINT((ACPI_DB_ERROR,"Ack failed \n")); return_VALUE(-EINVAL); } - } else - ACPI_DEBUG_PRINT((ACPI_DB_INFO,"already be in burst mode \n")); + } + atomic_set(&ec->leaving_burst , 0); return_VALUE(0); } @@ -202,7 +199,6 @@ acpi_ec_leave_burst_mode ( status = acpi_ec_read_status(ec); if (status != -EINVAL && (status & ACPI_EC_FLAG_BURST)){ - ACPI_DEBUG_PRINT((ACPI_DB_INFO,"leaving burst mode\n")); acpi_hw_low_level_write(8, ACPI_EC_BURST_DISABLE, &ec->command_addr); status = acpi_ec_wait(ec, ACPI_EC_FLAG_IBF); if (status){ @@ -212,14 +208,7 @@ acpi_ec_leave_burst_mode ( } acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); status = acpi_ec_read_status(ec); - if (status != -EINVAL && - (status & ACPI_EC_FLAG_BURST)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR,"------->status fail\n")); - return_VALUE(-EINVAL); - } - }else - ACPI_DEBUG_PRINT((ACPI_DB_INFO,"already be in Non-burst mode \n")); - ACPI_DEBUG_PRINT((ACPI_DB_INFO,"leaving burst mode\n")); + } return_VALUE(0); } diff --git a/drivers/acpi/sleep/poweroff.c b/drivers/acpi/sleep/poweroff.c index 1fc86e6b5ab9..186b182c5825 100644 --- a/drivers/acpi/sleep/poweroff.c +++ b/drivers/acpi/sleep/poweroff.c @@ -19,8 +19,6 @@ int acpi_sleep_prepare(u32 acpi_state) { - /* Flag to do not allow second time invocation for S5 state */ - static int shutdown_prepared = 0; #ifdef CONFIG_ACPI_SLEEP /* do we have a wakeup address for S2 and S3? */ /* Here, we support only S4BIOS, those we set the wakeup address */ @@ -38,28 +36,23 @@ int acpi_sleep_prepare(u32 acpi_state) acpi_enable_wakeup_device_prep(acpi_state); #endif if (acpi_state == ACPI_STATE_S5) { - /* Check if we were already called */ - if (shutdown_prepared) - return 0; acpi_wakeup_gpe_poweroff_prepare(); - shutdown_prepared = 1; } acpi_enter_sleep_state_prep(acpi_state); return 0; } +#ifdef CONFIG_PM + void acpi_power_off(void) { + /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */ printk("%s called\n", __FUNCTION__); - acpi_sleep_prepare(ACPI_STATE_S5); local_irq_disable(); /* Some SMP machines only can poweroff in boot CPU */ - set_cpus_allowed(current, cpumask_of_cpu(0)); acpi_enter_sleep_state(ACPI_STATE_S5); } -#ifdef CONFIG_PM - static int acpi_shutdown(struct sys_device *x) { return acpi_sleep_prepare(ACPI_STATE_S5); @@ -75,8 +68,6 @@ static struct sys_device device_acpi = { .cls = &acpi_sysclass, }; -#endif - static int acpi_poweroff_init(void) { if (!acpi_disabled) { @@ -86,19 +77,18 @@ static int acpi_poweroff_init(void) status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b); if (ACPI_SUCCESS(status)) { - pm_power_off = acpi_power_off; -#ifdef CONFIG_PM - { - int error; - error = sysdev_class_register(&acpi_sysclass); - if (!error) - error = sysdev_register(&device_acpi); - return error; - } -#endif + int error; + error = sysdev_class_register(&acpi_sysclass); + if (!error) + error = sysdev_register(&device_acpi); + if (!error) + pm_power_off = acpi_power_off; + return error; } } return 0; } late_initcall(acpi_poweroff_init); + +#endif /* CONFIG_PM */ |