Merge remote-tracking branch 'libata/for-6.10-fixes' into for-6.11

Pull in bug fixes.

Author: floatious

drivers/ata/ahci.c

@@ -429,7 +429,6 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, 0x02d7), board_ahci_pcs_quirk }, /* Comet Lake PCH RAID */
 	/* Elkhart Lake IDs 0x4b60 & 0x4b62 https://sata-io.org/product/8803 not tested yet */
 	{ PCI_VDEVICE(INTEL, 0x4b63), board_ahci_pcs_quirk }, /* Elkhart Lake AHCI */
-	{ PCI_VDEVICE(INTEL, 0x7ae2), board_ahci_pcs_quirk }, /* Alder Lake-P AHCI */
 
 	/* JMicron 360/1/3/5/6, match class to avoid IDE function */
 	{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
@@ -1736,6 +1735,14 @@ static void ahci_update_initial_lpm_policy(struct ata_port *ap)
 	if (ap->pflags & ATA_PFLAG_EXTERNAL)
 		return;
 
+	/* If no LPM states are supported by the HBA, do not bother with LPM */
+	if ((ap->host->flags & ATA_HOST_NO_PART) &&
+	    (ap->host->flags & ATA_HOST_NO_SSC) &&
+	    (ap->host->flags & ATA_HOST_NO_DEVSLP)) {
+		ata_port_dbg(ap, "no LPM states supported, not enabling LPM\n");
+		return;
+	}
+
 	/* user modified policy via module param */
 	if (mobile_lpm_policy != -1) {
 		policy = mobile_lpm_policy;
@@ -1968,8 +1975,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
 
 	host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
-	if (!host)
-		return -ENOMEM;
+	if (!host) {
+		rc = -ENOMEM;
+		goto err_rm_sysfs_file;
+	}
 	host->private_data = hpriv;
 
 	if (ahci_init_msi(pdev, n_ports, hpriv) < 0) {
@@ -2024,11 +2033,11 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* initialize adapter */
 	rc = ahci_configure_dma_masks(pdev, hpriv);
 	if (rc)
-		return rc;
+		goto err_rm_sysfs_file;
 
 	rc = ahci_pci_reset_controller(host);
 	if (rc)
-		return rc;
+		goto err_rm_sysfs_file;
 
 	ahci_pci_init_controller(host);
 	ahci_pci_print_info(host);
@@ -2037,10 +2046,15 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	rc = ahci_host_activate(host, &ahci_sht);
 	if (rc)
-		return rc;
+		goto err_rm_sysfs_file;
 
 	pm_runtime_put_noidle(&pdev->dev);
 	return 0;
+
+err_rm_sysfs_file:
+	sysfs_remove_file_from_group(&pdev->dev.kobj,
+				     &dev_attr_remapped_nvme.attr, NULL);
+	return rc;
 }
 
 static void ahci_shutdown_one(struct pci_dev *pdev)

drivers/ata/libata-core.c

@@ -4136,8 +4136,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "PIONEER BD-RW   BDR-207M",	NULL,	ATA_HORKAGE_NOLPM },
 	{ "PIONEER BD-RW   BDR-205",	NULL,	ATA_HORKAGE_NOLPM },
 
-	/* Crucial BX100 SSD 500GB has broken LPM support */
-	{ "CT500BX100SSD1",		NULL,	ATA_HORKAGE_NOLPM },
+	/* Crucial devices with broken LPM support */
+	{ "CT*0BX*00SSD1",		NULL,	ATA_HORKAGE_NOLPM },
 
 	/* 512GB MX100 with MU01 firmware has both queued TRIM and LPM issues */
 	{ "Crucial_CT512MX100*",	"MU01",	ATA_HORKAGE_NO_NCQ_TRIM |
@@ -4155,6 +4155,12 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 						ATA_HORKAGE_ZERO_AFTER_TRIM |
 						ATA_HORKAGE_NOLPM },
 
+	/* AMD Radeon devices with broken LPM support */
+	{ "R3SL240G",			NULL,	ATA_HORKAGE_NOLPM },
+
+	/* Apacer models with LPM issues */
+	{ "Apacer AS340*",		NULL,	ATA_HORKAGE_NOLPM },
+
 	/* These specific Samsung models/firmware-revs do not handle LPM well */
 	{ "SAMSUNG MZMPC128HBFU-000MV", "CXM14M1Q", ATA_HORKAGE_NOLPM },
 	{ "SAMSUNG SSD PM830 mSATA *",  "CXM13D1Q", ATA_HORKAGE_NOLPM },
@@ -5491,6 +5497,18 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
 	return ap;
 }
 
+void ata_port_free(struct ata_port *ap)
+{
+	if (!ap)
+		return;
+
+	kfree(ap->pmp_link);
+	kfree(ap->slave_link);
+	kfree(ap->ncq_sense_buf);
+	kfree(ap);
+}
+EXPORT_SYMBOL_GPL(ata_port_free);
+
 static void ata_devres_release(struct device *gendev, void *res)
 {
 	struct ata_host *host = dev_get_drvdata(gendev);
@@ -5517,12 +5535,7 @@ static void ata_host_release(struct kref *kref)
 	int i;
 
 	for (i = 0; i < host->n_ports; i++) {
-		struct ata_port *ap = host->ports[i];
-
-		kfree(ap->pmp_link);
-		kfree(ap->slave_link);
-		kfree(ap->ncq_sense_buf);
-		kfree(ap);
+		ata_port_free(host->ports[i]);
 		host->ports[i] = NULL;
 	}
 	kfree(host);
@@ -5572,8 +5585,10 @@ struct ata_host *ata_host_alloc(struct device *dev, int max_ports)
 	if (!host)
 		return NULL;
 
-	if (!devres_open_group(dev, NULL, GFP_KERNEL))
-		goto err_free;
+	if (!devres_open_group(dev, NULL, GFP_KERNEL)) {
+		kfree(host);
+		return NULL;
+	}
 
 	dr = devres_alloc(ata_devres_release, 0, GFP_KERNEL);
 	if (!dr)
@@ -5605,8 +5620,6 @@ struct ata_host *ata_host_alloc(struct device *dev, int max_ports)
 
  err_out:
 	devres_release_group(dev, NULL);
- err_free:
-	kfree(host);
 	return NULL;
 }
 EXPORT_SYMBOL_GPL(ata_host_alloc);
@@ -5905,7 +5918,7 @@ int ata_host_register(struct ata_host *host, const struct scsi_host_template *sh
 	 * allocation time.
 	 */
 	for (i = host->n_ports; host->ports[i]; i++)
-		kfree(host->ports[i]);
+		ata_port_free(host->ports[i]);
 
 	/* give ports names and add SCSI hosts */
 	for (i = 0; i < host->n_ports; i++) {

drivers/ata/libata-scsi.c

@@ -1864,11 +1864,11 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf)
 		2
 	};
 
-	/* set scsi removable (RMB) bit per ata bit, or if the
-	 * AHCI port says it's external (Hotplug-capable, eSATA).
+	/*
+	 * Set the SCSI Removable Media Bit (RMB) if the ATA removable media
+	 * device bit (obsolete since ATA-8 ACS) is set.
 	 */
-	if (ata_id_removable(args->id) ||
-	    (args->dev->link->ap->pflags & ATA_PFLAG_EXTERNAL))
+	if (ata_id_removable(args->id))
 		hdr[1] |= (1 << 7);
 
 	if (args->dev->class == ATA_DEV_ZAC) {

drivers/ata/pata_macio.c

@@ -915,10 +915,13 @@ static const struct scsi_host_template pata_macio_sht = {
 	.sg_tablesize		= MAX_DCMDS,
 	/* We may not need that strict one */
 	.dma_boundary		= ATA_DMA_BOUNDARY,
-	/* Not sure what the real max is but we know it's less than 64K, let's
-	 * use 64K minus 256
+	/*
+	 * The SCSI core requires the segment size to cover at least a page, so
+	 * for 64K page size kernels this must be at least 64K. However the
+	 * hardware can't handle 64K, so pata_macio_qc_prep() will split large
+	 * requests.
 	 */
-	.max_segment_size	= MAX_DBDMA_SEG,
+	.max_segment_size	= SZ_64K,
 	.device_configure	= pata_macio_device_configure,
 	.sdev_groups		= ata_common_sdev_groups,
 	.can_queue		= ATA_DEF_QUEUE,

drivers/scsi/libsas/sas_ata.c

@@ -610,15 +610,15 @@ int sas_ata_init(struct domain_device *found_dev)
 
 	rc = ata_sas_tport_add(ata_host->dev, ap);
 	if (rc)
-		goto destroy_port;
+		goto free_port;
 
 	found_dev->sata_dev.ata_host = ata_host;
 	found_dev->sata_dev.ap = ap;
 
 	return 0;
 
-destroy_port:
-	kfree(ap);
+free_port:
+	ata_port_free(ap);
 free_host:
 	ata_host_put(ata_host);
 	return rc;

drivers/scsi/libsas/sas_discover.c

@@ -301,7 +301,7 @@ void sas_free_device(struct kref *kref)
 
 	if (dev_is_sata(dev) && dev->sata_dev.ap) {
 		ata_sas_tport_delete(dev->sata_dev.ap);
-		kfree(dev->sata_dev.ap);
+		ata_port_free(dev->sata_dev.ap);
 		ata_host_put(dev->sata_dev.ata_host);
 		dev->sata_dev.ata_host = NULL;
 		dev->sata_dev.ap = NULL;

include/linux/libata.h

@@ -1249,6 +1249,7 @@ extern int ata_slave_link_init(struct ata_port *ap);
 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
 					   struct ata_port_info *, struct Scsi_Host *);
 extern void ata_port_probe(struct ata_port *ap);
+extern void ata_port_free(struct ata_port *ap);
 extern int ata_sas_tport_add(struct device *parent, struct ata_port *ap);
 extern void ata_sas_tport_delete(struct ata_port *ap);
 int ata_sas_device_configure(struct scsi_device *sdev, struct queue_limits *lim,