diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index aecbdad..64d2c99 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -105,9 +105,9 @@
 module_param(ata_probe_timeout, int, 0444);
 MODULE_PARM_DESC(ata_probe_timeout, "Set ATA probing timeout (seconds)");
 
-int libata_noacpi = 1;
+int libata_noacpi = 0;
 module_param_named(noacpi, libata_noacpi, int, 0444);
-MODULE_PARM_DESC(noacpi, "Disables the use of ACPI in suspend/resume when set");
+MODULE_PARM_DESC(noacpi, "Disables the use of ACPI in probe/suspend/resume when set");
 
 MODULE_AUTHOR("Jeff Garzik");
 MODULE_DESCRIPTION("Library module for ATA devices");