drivers/ata/libata-eh.c

401 	int idx, rc = 0;
409 		rc = map_fn(ent, arg);
410 		if (rc)
415 	return rc;
2040 	int rc;
2046 	rc = sata_scr_read(link, SCR_ERROR, &serror);
2047 	if (rc == 0) {
2050 	} else if (rc != -EOPNOTSUPP) {
2553 static int ata_eh_followup_srst_needed(struct ata_link *link, int rc)
2557 	if (rc == -EAGAIN)
2582 	int nr_unknown, rc;
2652 		rc = prereset(link, deadline);
2658 		if (slave && (rc == 0 || rc == -ENOENT)) {
2663 				rc = tmp;
2668 		if (rc) {
2669 			if (rc == -ENOENT) {
2676 				rc = 0;
2680 					     rc);
2692 			rc = 0;
2721 		rc = ata_do_reset(link, reset, classes, deadline, true);
2723 			trace_ata_link_hardreset_end(link, classes, rc);
2725 			trace_ata_link_softreset_end(link, classes, rc);
2726 		if (rc && rc != -EAGAIN) {
2746 				rc = -EAGAIN;
2752 				rc = tmp;
2759 		    ata_eh_followup_srst_needed(link, rc)) {
2766 				rc = -EINVAL;
2772 			rc = ata_do_reset(link, reset, classes, deadline, true);
2773 			trace_ata_link_softreset_end(link, classes, rc);
2774 			if (rc) {
2827 		trace_ata_link_postreset(link, classes, rc);
2830 			trace_ata_slave_postreset(slave, classes, rc);
2876 			rc = -EAGAIN;
2892 	rc = 0;
2903 	return rc;
2909 		rc = -ERESTART;
2931 			rc, DIV_ROUND_UP(jiffies_to_msecs(delta), 1000));
2943 	if (rc == -ERESTART) {
2953 	} else if (rc == -EPIPE)
3043 	int rc = 0;
3070 				rc = ata_eh_set_lpm(link, ATA_LPM_MAX_POWER,
3072 				if (rc)
3077 				rc = -EIO;
3082 			rc = ata_dev_revalidate(dev, ehc->classes[dev->devno],
3084 			if (rc)
3108 				rc = sata_pmp_attach(dev);
3110 				rc = ata_dev_read_id(dev, &dev->class,
3117 			switch (rc) {
3156 		rc = ata_dev_configure(dev);
3158 		if (rc) {
3176 	return rc;
3198 	int rc;
3213 		rc = ap->ops->set_mode(link, r_failed_dev);
3215 		rc = ata_do_set_mode(link, r_failed_dev);
3228 	return rc;
3303 	int rc = 0;
3342 		rc = -EIO;
3349 				rc = 0;
3352 	return rc;
3382 	int rc;
3418 				rc = -EIO;
3425 		rc = ap->ops->set_lpm(link, policy, hints);
3426 		if (!rc && ap->slave_link)
3427 			rc = ap->ops->set_lpm(ap->slave_link, policy, hints);
3429 		rc = sata_pmp_set_lpm(link, policy, hints);
3435 	if (rc) {
3436 		if (rc == -EOPNOTSUPP) {
3462 				rc = -EIO;
3486 	return rc;
3687 	int rc, nr_fails;
3725 	rc = 0;
3750 		rc = ata_eh_reset(link, ata_link_nr_vacant(link),
3752 		if (rc) {
3820 		rc = ata_eh_revalidate_and_attach(link, &dev);
3821 		if (rc)
3832 			rc = ata_set_mode(link, &dev);
3833 			if (rc)
3845 				rc = atapi_eh_clear_ua(dev);
3846 				if (rc)
3869 			rc = ata_eh_maybe_retry_flush(dev);
3870 			if (rc)
3877 			rc = ata_eh_set_lpm(link, ap->target_lpm_policy, &dev);
3878 			if (rc)
3889 			ata_eh_handle_dev_fail(dev, rc);
3905 	if (rc && r_failed_link)
3908 	return rc;
3989 	int rc;
3994 	rc = ata_eh_recover(ap, prereset, softreset, hardreset, postreset,
3996 	if (rc) {
4039 	int rc = 0;
4076 		rc = ap->ops->port_suspend(ap, ap->pm_mesg);
4084 	if (rc == 0)