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ACPI / Sleep: Avoid interleaved message on errors 

Got this dmesg log on an Acer Aspire 725.

[    0.256351] ACPI: (supports S0ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20130117/hwxface-568)
[    0.256373] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20130117/hwxface-568)
[    0.256391]  S3 S4 S5)

Avoid this interleaving error messages.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Joe Perches 2013-02-22 07:37:36 +00:00 committed by Rafael J. Wysocki
parent 6dbe51c251
commit ed4cf5b23f
1 changed files with 11 additions and 5 deletions
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16
drivers/acpi/sleep.c
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@ -599,7 +599,6 @@ static void acpi_sleep_suspend_setup(void)
status = acpi_get_sleep_type_data(i, &type_a, &type_b);
if (ACPI_SUCCESS(status)) {
sleep_states[i] = 1;
pr_cont(" S%d", i);
}
}
@ -742,7 +741,6 @@ static void acpi_sleep_hibernate_setup(void)
hibernation_set_ops(old_suspend_ordering ?
&acpi_hibernation_ops_old : &acpi_hibernation_ops);
sleep_states[ACPI_STATE_S4] = 1;
pr_cont(KERN_CONT " S4");
if (nosigcheck)
return;
@ -788,6 +786,9 @@ int __init acpi_sleep_init(void)
{
acpi_status status;
u8 type_a, type_b;
char supported[ACPI_S_STATE_COUNT * 3 + 1];
char *pos = supported;
int i;
if (acpi_disabled)
return 0;
@ -795,7 +796,6 @@ int __init acpi_sleep_init(void)
acpi_sleep_dmi_check();
sleep_states[ACPI_STATE_S0] = 1;
pr_info(PREFIX "(supports S0");
acpi_sleep_suspend_setup();
acpi_sleep_hibernate_setup();
@ -803,11 +803,17 @@ int __init acpi_sleep_init(void)
status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b);
if (ACPI_SUCCESS(status)) {
sleep_states[ACPI_STATE_S5] = 1;
pr_cont(" S5");
pm_power_off_prepare = acpi_power_off_prepare;
pm_power_off = acpi_power_off;
}
pr_cont(")\n");
supported[0] = 0;
for (i = 0; i < ACPI_S_STATE_COUNT; i++) {
if (sleep_states[i])
pos += sprintf(pos, " S%d", i);
}
pr_info(PREFIX "(supports%s)\n", supported);
/*
* Register the tts_notifier to reboot notifier list so that the _TTS
* object can also be evaluated when the system enters S5.