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Pull bugzilla-9262 into release branch

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Len Brown 2007-11-20 01:18:07 -05:00
commit 5824b45126
1 changed files with 8 additions and 0 deletions
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8
drivers/acpi/ec.c
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@ -881,12 +881,20 @@ int __init acpi_ec_ecdt_probe(void)
boot_ec->gpe = ecdt_ptr->gpe;
boot_ec->handle = ACPI_ROOT_OBJECT;
} else {
/* This workaround is needed only on some broken machines,
* which require early EC, but fail to provide ECDT */
acpi_handle x;
printk(KERN_DEBUG PREFIX "Look up EC in DSDT\n");
status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device,
boot_ec, NULL);
/* Check that acpi_get_devices actually find something */
if (ACPI_FAILURE(status) || !boot_ec->handle)
goto error;
/* We really need to limit this workaround, the only ASUS,
* which needs it, has fake EC._INI method, so use it as flag.
*/
if (ACPI_FAILURE(acpi_get_handle(boot_ec->handle, "_INI", &x)))
goto error;
}
ret = ec_install_handlers(boot_ec);