ahci_em_messages 177 drivers/ata/libahci.c static bool ahci_em_messages __read_mostly = true; ahci_em_messages 178 drivers/ata/libahci.c module_param(ahci_em_messages, bool, 0444); ahci_em_messages 180 drivers/ata/libahci.c MODULE_PARM_DESC(ahci_em_messages, ahci_em_messages 2515 drivers/ata/libahci.c if (!ahci_em_messages || !(hpriv->cap & HOST_CAP_EMS))