static void amd_error_handler(struct ata_port *ap)
 {
-       return ata_bmdma_drive_eh(ap, amd_pre_reset,
-                                     ata_std_softreset, NULL,
-                                     ata_std_postreset);
+       ata_bmdma_drive_eh(ap, amd_pre_reset, ata_std_softreset, NULL,
+                          ata_std_postreset);
 }
 
 static int amd_cable_detect(struct ata_port *ap)
 static struct ata_port_operations nv100_port_ops = {
        .set_piomode    = nv100_set_piomode,
        .set_dmamode    = nv100_set_dmamode,
-       .mode_filter    = ata_pci_default_filter,
        .tf_load        = ata_tf_load,
        .tf_read        = ata_tf_read,
        .check_status   = ata_check_status,
 static struct ata_port_operations nv133_port_ops = {
        .set_piomode    = nv133_set_piomode,
        .set_dmamode    = nv133_set_dmamode,
-       .mode_filter    = ata_pci_default_filter,
        .tf_load        = ata_tf_load,
        .tf_read        = ata_tf_read,
        .check_status   = ata_check_status,