Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (25 commits)
  pata_rz1000: use printk_once
  ahci: kill @force_restart and refine CLO for ahci_kick_engine()
  pata_cs5535: add pci id for AMD based CS5535 controllers
  ahci: Add AMD SB900 SATA/IDE controller device IDs
  drivers/ata: use resource_size
  sata_fsl: Defer non-ncq commands when ncq commands active
  libata: add SATA PMP revision information for spec 1.2
  libata: fix off-by-one error in ata_tf_read_block()
  ahci: Gigabyte GA-MA69VM-S2 can't do 64bit DMA
  ahci: make ahci_asus_m2a_vm_32bit_only() quirk more generic
  dmi: extend dmi_get_year() to dmi_get_date()
  dmi: fix date handling in dmi_get_year()
  libata: unbreak TPM filtering by reorganizing ata_scsi_pass_thru()
  sata_sis: convert to slave_link
  sata_sil24: always set protocol override for non-ATAPI data commands
  libata: Export AHCI capabilities
  libata: Delegate nonrot flag setting to SCSI
  [libata] Add pata_rdc driver for RDC ATA devices
  drivers/ata: Remove unnecessary semicolons
  libata: remove spindown skipping and warning
  ...

1 files changed, 36 insertions, 8 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 072ba5ea138..df31deac5c8 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -709,7 +709,13 @@ u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev)
 		head = tf->device & 0xf;
 		sect = tf->lbal;
 
-		block = (cyl * dev->heads + head) * dev->sectors + sect;
+		if (!sect) {
+			ata_dev_printk(dev, KERN_WARNING, "device reported "
+				       "invalid CHS sector 0\n");
+			sect = 1; /* oh well */
+		}
+
+		block = (cyl * dev->heads + head) * dev->sectors + sect - 1;
 	}
 
 	return block;
@@ -2299,29 +2305,49 @@ static inline u8 ata_dev_knobble(struct ata_device *dev)
 	return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id)));
 }
 
-static void ata_dev_config_ncq(struct ata_device *dev,
+static int ata_dev_config_ncq(struct ata_device *dev,
 			       char *desc, size_t desc_sz)
 {
 	struct ata_port *ap = dev->link->ap;
 	int hdepth = 0, ddepth = ata_id_queue_depth(dev->id);
+	unsigned int err_mask;
+	char *aa_desc = "";
 
 	if (!ata_id_has_ncq(dev->id)) {
 		desc[0] = '\0';
-		return;
+		return 0;
 	}
 	if (dev->horkage & ATA_HORKAGE_NONCQ) {
 		snprintf(desc, desc_sz, "NCQ (not used)");
-		return;
+		return 0;
 	}
 	if (ap->flags & ATA_FLAG_NCQ) {
 		hdepth = min(ap->scsi_host->can_queue, ATA_MAX_QUEUE - 1);
 		dev->flags |= ATA_DFLAG_NCQ;
 	}
 
+	if (!(dev->horkage & ATA_HORKAGE_BROKEN_FPDMA_AA) &&
+		(ap->flags & ATA_FLAG_FPDMA_AA) &&
+		ata_id_has_fpdma_aa(dev->id)) {
+		err_mask = ata_dev_set_feature(dev, SETFEATURES_SATA_ENABLE,
+			SATA_FPDMA_AA);
+		if (err_mask) {
+			ata_dev_printk(dev, KERN_ERR, "failed to enable AA"
+				"(error_mask=0x%x)\n", err_mask);
+			if (err_mask != AC_ERR_DEV) {
+				dev->horkage |= ATA_HORKAGE_BROKEN_FPDMA_AA;
+				return -EIO;
+			}
+		} else
+			aa_desc = ", AA";
+	}
+
 	if (hdepth >= ddepth)
-		snprintf(desc, desc_sz, "NCQ (depth %d)", ddepth);
+		snprintf(desc, desc_sz, "NCQ (depth %d)%s", ddepth, aa_desc);
 	else
-		snprintf(desc, desc_sz, "NCQ (depth %d/%d)", hdepth, ddepth);
+		snprintf(desc, desc_sz, "NCQ (depth %d/%d)%s", hdepth,
+			ddepth, aa_desc);
+	return 0;
 }
 
 /**
@@ -2461,7 +2487,7 @@ int ata_dev_configure(struct ata_device *dev)
 
 		if (ata_id_has_lba(id)) {
 			const char *lba_desc;
-			char ncq_desc[20];
+			char ncq_desc[24];
 
 			lba_desc = "LBA";
 			dev->flags |= ATA_DFLAG_LBA;
@@ -2475,7 +2501,9 @@ int ata_dev_configure(struct ata_device *dev)
 			}
 
 			/* config NCQ */
-			ata_dev_config_ncq(dev, ncq_desc, sizeof(ncq_desc));
+			rc = ata_dev_config_ncq(dev, ncq_desc, sizeof(ncq_desc));
+			if (rc)
+				return rc;
 
 			/* print device info to dmesg */
 			if (ata_msg_drv(ap) && print_info) {