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-rw-r--r--drivers/ata/ahci.c24
-rw-r--r--drivers/ata/ata_piix.c37
-rw-r--r--drivers/ata/libata-core.c14
-rw-r--r--drivers/ata/libata-eh.c7
-rw-r--r--drivers/ata/libata-sff.c6
-rw-r--r--drivers/ata/sata_mv.c3
-rw-r--r--drivers/ata/sata_nv.c2
7 files changed, 70 insertions, 23 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index a603bbf9b1b7..66e012cd3271 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -582,18 +582,18 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci }, /* MCP79 */
{ PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci }, /* MCP79 */
{ PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci }, /* MCP79 */
- { PCI_VDEVICE(NVIDIA, 0x0bc8), board_ahci }, /* MCP7B */
- { PCI_VDEVICE(NVIDIA, 0x0bc9), board_ahci }, /* MCP7B */
- { PCI_VDEVICE(NVIDIA, 0x0bca), board_ahci }, /* MCP7B */
- { PCI_VDEVICE(NVIDIA, 0x0bcb), board_ahci }, /* MCP7B */
- { PCI_VDEVICE(NVIDIA, 0x0bcc), board_ahci }, /* MCP7B */
- { PCI_VDEVICE(NVIDIA, 0x0bcd), board_ahci }, /* MCP7B */
- { PCI_VDEVICE(NVIDIA, 0x0bce), board_ahci }, /* MCP7B */
- { PCI_VDEVICE(NVIDIA, 0x0bcf), board_ahci }, /* MCP7B */
- { PCI_VDEVICE(NVIDIA, 0x0bc4), board_ahci }, /* MCP7B */
- { PCI_VDEVICE(NVIDIA, 0x0bc5), board_ahci }, /* MCP7B */
- { PCI_VDEVICE(NVIDIA, 0x0bc6), board_ahci }, /* MCP7B */
- { PCI_VDEVICE(NVIDIA, 0x0bc7), board_ahci }, /* MCP7B */
+ { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci }, /* MCP89 */
+ { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci }, /* MCP89 */
+ { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci }, /* MCP89 */
+ { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci }, /* MCP89 */
+ { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci }, /* MCP89 */
+ { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci }, /* MCP89 */
+ { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci }, /* MCP89 */
+ { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci }, /* MCP89 */
+ { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci }, /* MCP89 */
+ { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci }, /* MCP89 */
+ { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci }, /* MCP89 */
+ { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci }, /* MCP89 */
/* SiS */
{ PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 54961c0b2c73..ef8b30d577bd 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1289,6 +1289,39 @@ static const int *__devinit piix_init_sata_map(struct pci_dev *pdev,
return map;
}
+static bool piix_no_sidpr(struct ata_host *host)
+{
+ struct pci_dev *pdev = to_pci_dev(host->dev);
+
+ /*
+ * Samsung DB-P70 only has three ATA ports exposed and
+ * curiously the unconnected first port reports link online
+ * while not responding to SRST protocol causing excessive
+ * detection delay.
+ *
+ * Unfortunately, the system doesn't carry enough DMI
+ * information to identify the machine but does have subsystem
+ * vendor and device set. As it's unclear whether the
+ * subsystem vendor/device is used only for this specific
+ * board, the port can't be disabled solely with the
+ * information; however, turning off SIDPR access works around
+ * the problem. Turn it off.
+ *
+ * This problem is reported in bnc#441240.
+ *
+ * https://bugzilla.novell.com/show_bug.cgi?id=441420
+ */
+ if (pdev->vendor == PCI_VENDOR_ID_INTEL && pdev->device == 0x2920 &&
+ pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG &&
+ pdev->subsystem_device == 0xb049) {
+ dev_printk(KERN_WARNING, host->dev,
+ "Samsung DB-P70 detected, disabling SIDPR\n");
+ return true;
+ }
+
+ return false;
+}
+
static int __devinit piix_init_sidpr(struct ata_host *host)
{
struct pci_dev *pdev = to_pci_dev(host->dev);
@@ -1302,6 +1335,10 @@ static int __devinit piix_init_sidpr(struct ata_host *host)
if (hpriv->map[i] == IDE)
return 0;
+ /* is it blacklisted? */
+ if (piix_no_sidpr(host))
+ return 0;
+
if (!(host->ports[0]->flags & PIIX_FLAG_SIDPR))
return 0;
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 9fbf0595f3d4..060bcd601f57 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1322,14 +1322,16 @@ static u64 ata_id_n_sectors(const u16 *id)
{
if (ata_id_has_lba(id)) {
if (ata_id_has_lba48(id))
- return ata_id_u64(id, 100);
+ return ata_id_u64(id, ATA_ID_LBA_CAPACITY_2);
else
- return ata_id_u32(id, 60);
+ return ata_id_u32(id, ATA_ID_LBA_CAPACITY);
} else {
if (ata_id_current_chs_valid(id))
- return ata_id_u32(id, 57);
+ return id[ATA_ID_CUR_CYLS] * id[ATA_ID_CUR_HEADS] *
+ id[ATA_ID_CUR_SECTORS];
else
- return id[1] * id[3] * id[6];
+ return id[ATA_ID_CYLS] * id[ATA_ID_HEADS] *
+ id[ATA_ID_SECTORS];
}
}
@@ -4612,7 +4614,7 @@ void ata_sg_clean(struct ata_queued_cmd *qc)
VPRINTK("unmapping %u sg elements\n", qc->n_elem);
if (qc->n_elem)
- dma_unmap_sg(ap->dev, sg, qc->n_elem, dir);
+ dma_unmap_sg(ap->dev, sg, qc->orig_n_elem, dir);
qc->flags &= ~ATA_QCFLAG_DMAMAP;
qc->sg = NULL;
@@ -4727,7 +4729,7 @@ static int ata_sg_setup(struct ata_queued_cmd *qc)
return -1;
DPRINTK("%d sg elements mapped\n", n_elem);
-
+ qc->orig_n_elem = qc->n_elem;
qc->n_elem = n_elem;
qc->flags |= ATA_QCFLAG_DMAMAP;
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index ce2ef0475339..ea890911d4fa 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2423,11 +2423,14 @@ int ata_eh_reset(struct ata_link *link, int classify,
}
/* prereset() might have cleared ATA_EH_RESET. If so,
- * bang classes and return.
+ * bang classes, thaw and return.
*/
if (reset && !(ehc->i.action & ATA_EH_RESET)) {
ata_for_each_dev(dev, link, ALL)
classes[dev->devno] = ATA_DEV_NONE;
+ if ((ap->pflags & ATA_PFLAG_FROZEN) &&
+ ata_is_host_link(link))
+ ata_eh_thaw_port(ap);
rc = 0;
goto out;
}
@@ -2901,7 +2904,7 @@ static int atapi_eh_clear_ua(struct ata_device *dev)
int i;
for (i = 0; i < ATA_EH_UA_TRIES; i++) {
- u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
+ u8 *sense_buffer = dev->link->ap->sector_buf;
u8 sense_key = 0;
unsigned int err_mask;
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 714cb046b594..f93dc029dfde 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -2066,6 +2066,7 @@ static int ata_bus_softreset(struct ata_port *ap, unsigned int devmask,
iowrite8(ap->ctl | ATA_SRST, ioaddr->ctl_addr);
udelay(20); /* FIXME: flush */
iowrite8(ap->ctl, ioaddr->ctl_addr);
+ ap->last_ctl = ap->ctl;
/* wait the port to become ready */
return ata_sff_wait_after_reset(&ap->link, devmask, deadline);
@@ -2190,8 +2191,10 @@ void ata_sff_postreset(struct ata_link *link, unsigned int *classes)
}
/* set up device control */
- if (ap->ioaddr.ctl_addr)
+ if (ap->ioaddr.ctl_addr) {
iowrite8(ap->ctl, ap->ioaddr.ctl_addr);
+ ap->last_ctl = ap->ctl;
+ }
}
EXPORT_SYMBOL_GPL(ata_sff_postreset);
@@ -2534,6 +2537,7 @@ void ata_bus_reset(struct ata_port *ap)
if (ap->flags & (ATA_FLAG_SATA_RESET | ATA_FLAG_SRST)) {
/* set up device control for ATA_FLAG_SATA_RESET */
iowrite8(ap->ctl, ioaddr->ctl_addr);
+ ap->last_ctl = ap->ctl;
}
DPRINTK("EXIT\n");
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 7007edd2d451..74b1080d116d 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -2218,12 +2218,13 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance)
else
handled = mv_host_intr(host, pending_irqs);
}
- spin_unlock(&host->lock);
/* for MSI: unmask; interrupt cause bits will retrigger now */
if (using_msi)
writel(hpriv->main_irq_mask, hpriv->main_irq_mask_addr);
+ spin_unlock(&host->lock);
+
return IRQ_RETVAL(handled);
}
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 55a8eed3f3a3..f65b53785a8f 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -2523,7 +2523,7 @@ static void __exit nv_exit(void)
module_init(nv_init);
module_exit(nv_exit);
module_param_named(adma, adma_enabled, bool, 0444);
-MODULE_PARM_DESC(adma, "Enable use of ADMA (Default: true)");
+MODULE_PARM_DESC(adma, "Enable use of ADMA (Default: false)");
module_param_named(swncq, swncq_enabled, bool, 0444);
MODULE_PARM_DESC(swncq, "Enable use of SWNCQ (Default: true)");
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