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Merge branch 'bugzilla-16271' into release

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This commit is contained in:
Len Brown 2010-07-22 18:17:39 -04:00
commit 855977ef6d
1 changed files with 11 additions and 8 deletions
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19
drivers/acpi/acpica/evxfevnt.c
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@ -70,6 +70,7 @@ acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
acpi_status acpi_enable(void)
{
acpi_status status;
int retry;
ACPI_FUNCTION_TRACE(acpi_enable);
@ -98,16 +99,18 @@ acpi_status acpi_enable(void)
/* Sanity check that transition succeeded */
if (acpi_hw_get_mode() != ACPI_SYS_MODE_ACPI) {
ACPI_ERROR((AE_INFO,
"Hardware did not enter ACPI mode"));
return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
for (retry = 0; retry < 30000; ++retry) {
if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) {
if (retry != 0)
ACPI_WARNING((AE_INFO,
"Platform took > %d00 usec to enter ACPI mode", retry));
return_ACPI_STATUS(AE_OK);
}
acpi_os_stall(100); /* 100 usec */
}
ACPI_DEBUG_PRINT((ACPI_DB_INIT,
"Transition to ACPI mode successful\n"));
return_ACPI_STATUS(AE_OK);
ACPI_ERROR((AE_INFO, "Hardware did not enter ACPI mode"));
return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
}
ACPI_EXPORT_SYMBOL(acpi_enable)