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-rw-r--r--drivers/ata/acard-ahci.c2
-rw-r--r--drivers/ata/ahci.c5
-rw-r--r--drivers/ata/ahci.h2
-rw-r--r--drivers/ata/ata_piix.c19
-rw-r--r--drivers/ata/libahci.c5
-rw-r--r--drivers/ata/libata-core.c8
-rw-r--r--drivers/ata/libata-eh.c2
-rw-r--r--drivers/ata/libata-pmp.c33
-rw-r--r--drivers/ata/libata-scsi.c2
-rw-r--r--drivers/ata/libata-sff.c2
-rw-r--r--drivers/ata/pdc_adma.c2
-rw-r--r--drivers/ata/sata_highbank.c20
-rw-r--r--drivers/ata/sata_promise.c2
-rw-r--r--drivers/ata/sata_rcar.c25
-rw-r--r--drivers/ata/sata_sil.c2
-rw-r--r--drivers/ata/sata_sx4.c2
-rw-r--r--drivers/ata/sata_via.c2
17 files changed, 89 insertions, 46 deletions
diff --git a/drivers/ata/acard-ahci.c b/drivers/ata/acard-ahci.c
index 43365bb..fd665d9 100644
--- a/drivers/ata/acard-ahci.c
+++ b/drivers/ata/acard-ahci.c
@@ -2,7 +2,7 @@
/*
* acard-ahci.c - ACard AHCI SATA support
*
- * Maintained by: Jeff Garzik <jgarzik@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 8db82d3..1cf6ab3 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1,7 +1,7 @@
/*
* ahci.c - AHCI SATA support
*
- * Maintained by: Jeff Garzik <jgarzik@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
@@ -291,6 +291,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
{ PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
{ PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
+ { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek 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,
@@ -423,6 +424,8 @@ static const struct pci_device_id ahci_pci_tbl[] = {
.driver_data = board_ahci_yes_fbs }, /* 88se9125 */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
.driver_data = board_ahci_yes_fbs }, /* 88se9172 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
+ .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
.driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index adfb2df..1145637 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -1,7 +1,7 @@
/*
* ahci.h - Common AHCI SATA definitions and declarations
*
- * Maintained by: Jeff Garzik <jgarzik@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index cab2d3a..b52a10c 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1,7 +1,7 @@
/*
* ata_piix.c - Intel PATA/SATA controllers
*
- * Maintained by: Jeff Garzik <jgarzik@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
@@ -151,6 +151,7 @@ enum piix_controller_ids {
piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */
ich8_sata_snb,
ich8_2port_sata_snb,
+ ich8_2port_sata_byt,
};
struct piix_map_db {
@@ -334,6 +335,11 @@ static const struct pci_device_id piix_pci_tbl[] = {
{ 0x8086, 0x8d60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
/* SATA Controller IDE (Wellsburg) */
{ 0x8086, 0x8d68, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+ /* SATA Controller IDE (BayTrail) */
+ { 0x8086, 0x0F20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
+ { 0x8086, 0x0F21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
+ /* SATA Controller IDE (Coleto Creek) */
+ { 0x8086, 0x23a6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
{ } /* terminate list */
};
@@ -441,6 +447,7 @@ static const struct piix_map_db *piix_map_db_table[] = {
[tolapai_sata] = &tolapai_map_db,
[ich8_sata_snb] = &ich8_map_db,
[ich8_2port_sata_snb] = &ich8_2port_map_db,
+ [ich8_2port_sata_byt] = &ich8_2port_map_db,
};
static struct pci_bits piix_enable_bits[] = {
@@ -1254,6 +1261,16 @@ static struct ata_port_info piix_port_info[] = {
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
+
+ [ich8_2port_sata_byt] =
+ {
+ .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR | PIIX_FLAG_PIO16,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &piix_sata_ops,
+ },
+
};
#define AHCI_PCI_BAR 5
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index c240e4a..acfd0f7 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -1,7 +1,7 @@
/*
* libahci.c - Common AHCI SATA low-level routines
*
- * Maintained by: Jeff Garzik <jgarzik@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
@@ -1561,8 +1561,7 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
u32 fbs = readl(port_mmio + PORT_FBS);
int pmp = fbs >> PORT_FBS_DWE_OFFSET;
- if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links) &&
- ata_link_online(&ap->pmp_link[pmp])) {
+ if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links)) {
link = &ap->pmp_link[pmp];
fbs_need_dec = true;
}
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c97a244..9c3c99a 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1,7 +1,7 @@
/*
* libata-core.c - helper library for ATA
*
- * Maintained by: Jeff Garzik <jgarzik@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
@@ -1602,6 +1602,12 @@ unsigned ata_exec_internal_sg(struct ata_device *dev,
qc->tf = *tf;
if (cdb)
memcpy(qc->cdb, cdb, ATAPI_CDB_LEN);
+
+ /* some SATA bridges need us to indicate data xfer direction */
+ if (tf->protocol == ATAPI_PROT_DMA && (dev->flags & ATA_DFLAG_DMADIR) &&
+ dma_dir == DMA_FROM_DEVICE)
+ qc->tf.feature |= ATAPI_DMADIR;
+
qc->flags |= ATA_QCFLAG_RESULT_TF;
qc->dma_dir = dma_dir;
if (dma_dir != DMA_NONE) {
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index f9476fb..c69fcce 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1,7 +1,7 @@
/*
* libata-eh.c - libata error handling
*
- * Maintained by: Jeff Garzik <jgarzik@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index 61c59ee..1c41722 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -389,9 +389,13 @@ static void sata_pmp_quirks(struct ata_port *ap)
/* link reports offline after LPM */
link->flags |= ATA_LFLAG_NO_LPM;
- /* Class code report is unreliable. */
+ /*
+ * Class code report is unreliable and SRST times
+ * out under certain configurations.
+ */
if (link->pmp < 5)
- link->flags |= ATA_LFLAG_ASSUME_ATA;
+ link->flags |= ATA_LFLAG_NO_SRST |
+ ATA_LFLAG_ASSUME_ATA;
/* port 5 is for SEMB device and it doesn't like SRST */
if (link->pmp == 5)
@@ -399,20 +403,17 @@ static void sata_pmp_quirks(struct ata_port *ap)
ATA_LFLAG_ASSUME_SEMB;
}
} else if (vendor == 0x1095 && devid == 0x4723) {
- /* sil4723 quirks */
- ata_for_each_link(link, ap, EDGE) {
- /* link reports offline after LPM */
- link->flags |= ATA_LFLAG_NO_LPM;
-
- /* class code report is unreliable */
- if (link->pmp < 2)
- link->flags |= ATA_LFLAG_ASSUME_ATA;
-
- /* the config device at port 2 locks up on SRST */
- if (link->pmp == 2)
- link->flags |= ATA_LFLAG_NO_SRST |
- ATA_LFLAG_ASSUME_ATA;
- }
+ /*
+ * sil4723 quirks
+ *
+ * Link reports offline after LPM. Class code report is
+ * unreliable. SIMG PMPs never got SRST reliable and the
+ * config device at port 2 locks up on SRST.
+ */
+ ata_for_each_link(link, ap, EDGE)
+ link->flags |= ATA_LFLAG_NO_LPM |
+ ATA_LFLAG_NO_SRST |
+ ATA_LFLAG_ASSUME_ATA;
} else if (vendor == 0x1095 && devid == 0x4726) {
/* sil4726 quirks */
ata_for_each_link(link, ap, EDGE) {
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 006f1bf..83c0890 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1,7 +1,7 @@
/*
* libata-scsi.c - helper library for ATA
*
- * Maintained by: Jeff Garzik <jgarzik@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index d8af325..b603720 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1,7 +1,7 @@
/*
* libata-sff.c - helper library for PCI IDE BMDMA
*
- * Maintained by: Jeff Garzik <jgarzik@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c
index 5053333..8ea6e6a 100644
--- a/drivers/ata/pdc_adma.c
+++ b/drivers/ata/pdc_adma.c
@@ -1,7 +1,7 @@
/*
* pdc_adma.c - Pacific Digital Corporation ADMA
*
- * Maintained by: Mark Lord <mlord@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
*
* Copyright 2005 Mark Lord
*
diff --git a/drivers/ata/sata_highbank.c b/drivers/ata/sata_highbank.c
index 8de8ac8..d047d92 100644
--- a/drivers/ata/sata_highbank.c
+++ b/drivers/ata/sata_highbank.c
@@ -339,10 +339,26 @@ static int highbank_initialize_phys(struct device *dev, void __iomem *addr)
return 0;
}
+/*
+ * The Calxeda SATA phy intermittently fails to bring up a link with Gen3
+ * Retrying the phy hard reset can work around the issue, but the drive
+ * may fail again. In less than 150 out of 15000 test runs, it took more
+ * than 10 tries for the link to be established (but never more than 35).
+ * Triple the maximum observed retry count to provide plenty of margin for
+ * rare events and to guarantee that the link is established.
+ *
+ * Also, the default 2 second time-out on a failed drive is too long in
+ * this situation. The uboot implementation of the same driver function
+ * uses a much shorter time-out period and never experiences a time out
+ * issue. Reducing the time-out to 500ms improves the responsiveness.
+ * The other timing constants were kept the same as the stock AHCI driver.
+ * This change was also tested 15000 times on 24 drives and none of them
+ * experienced a time out.
+ */
static int ahci_highbank_hardreset(struct ata_link *link, unsigned int *class,
unsigned long deadline)
{
- const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
+ static const unsigned long timing[] = { 5, 100, 500};
struct ata_port *ap = link->ap;
struct ahci_port_priv *pp = ap->private_data;
u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
@@ -350,7 +366,7 @@ static int ahci_highbank_hardreset(struct ata_link *link, unsigned int *class,
bool online;
u32 sstatus;
int rc;
- int retry = 10;
+ int retry = 100;
ahci_stop_engine(ap);
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index fb0dd87..958ba2a 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -1,7 +1,7 @@
/*
* sata_promise.c - Promise SATA
*
- * Maintained by: Jeff Garzik <jgarzik@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
* Mikael Pettersson <mikpe@it.uu.se>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
index f0d3e43..8108eb0 100644
--- a/drivers/ata/sata_rcar.c
+++ b/drivers/ata/sata_rcar.c
@@ -186,7 +186,7 @@ static void sata_rcar_thaw(struct ata_port *ap)
void __iomem *base = priv->base;
/* ack */
- iowrite32(~SATA_RCAR_INT_MASK, base + SATAINTSTAT_REG);
+ iowrite32(~(u32)SATA_RCAR_INT_MASK, base + SATAINTSTAT_REG);
ata_sff_thaw(ap);
@@ -545,6 +545,7 @@ static void sata_rcar_bmdma_start(struct ata_queued_cmd *qc)
/* start host DMA transaction */
dmactl = ioread32(base + ATAPI_CONTROL1_REG);
+ dmactl &= ~ATAPI_CONTROL1_STOP;
dmactl |= ATAPI_CONTROL1_START;
iowrite32(dmactl, base + ATAPI_CONTROL1_REG);
}
@@ -622,17 +623,16 @@ static struct ata_port_operations sata_rcar_port_ops = {
.bmdma_status = sata_rcar_bmdma_status,
};
-static int sata_rcar_serr_interrupt(struct ata_port *ap)
+static void sata_rcar_serr_interrupt(struct ata_port *ap)
{
struct sata_rcar_priv *priv = ap->host->private_data;
struct ata_eh_info *ehi = &ap->link.eh_info;
int freeze = 0;
- int handled = 0;
u32 serror;
serror = ioread32(priv->base + SCRSERR_REG);
if (!serror)
- return 0;
+ return;
DPRINTK("SError @host_intr: 0x%x\n", serror);
@@ -645,7 +645,6 @@ static int sata_rcar_serr_interrupt(struct ata_port *ap)
ata_ehi_push_desc(ehi, "%s", "hotplug");
freeze = serror & SERR_COMM_WAKE ? 0 : 1;
- handled = 1;
}
/* freeze or abort */
@@ -653,11 +652,9 @@ static int sata_rcar_serr_interrupt(struct ata_port *ap)
ata_port_freeze(ap);
else
ata_port_abort(ap);
-
- return handled;
}
-static int sata_rcar_ata_interrupt(struct ata_port *ap)
+static void sata_rcar_ata_interrupt(struct ata_port *ap)
{
struct ata_queued_cmd *qc;
int handled = 0;
@@ -666,7 +663,9 @@ static int sata_rcar_ata_interrupt(struct ata_port *ap)
if (qc)
handled |= ata_bmdma_port_intr(ap, qc);
- return handled;
+ /* be sure to clear ATA interrupt */
+ if (!handled)
+ sata_rcar_check_status(ap);
}
static irqreturn_t sata_rcar_interrupt(int irq, void *dev_instance)
@@ -682,19 +681,21 @@ static irqreturn_t sata_rcar_interrupt(int irq, void *dev_instance)
spin_lock_irqsave(&host->lock, flags);
sataintstat = ioread32(base + SATAINTSTAT_REG);
+ sataintstat &= SATA_RCAR_INT_MASK;
if (!sataintstat)
goto done;
/* ack */
- iowrite32(sataintstat & ~SATA_RCAR_INT_MASK, base + SATAINTSTAT_REG);
+ iowrite32(~sataintstat & 0x7ff, base + SATAINTSTAT_REG);
ap = host->ports[0];
if (sataintstat & SATAINTSTAT_ATA)
- handled |= sata_rcar_ata_interrupt(ap);
+ sata_rcar_ata_interrupt(ap);
if (sataintstat & SATAINTSTAT_SERR)
- handled |= sata_rcar_serr_interrupt(ap);
+ sata_rcar_serr_interrupt(ap);
+ handled = 1;
done:
spin_unlock_irqrestore(&host->lock, flags);
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index a6da219..d67fc35 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -1,7 +1,7 @@
/*
* sata_sil.c - Silicon Image SATA
*
- * Maintained by: Jeff Garzik <jgarzik@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index 7b7127a..9947010 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -1,7 +1,7 @@
/*
* sata_sx4.c - Promise SATA
*
- * Maintained by: Jeff Garzik <jgarzik@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index 5913ea9..87f056e 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -1,7 +1,7 @@
/*
* sata_via.c - VIA Serial ATA controllers
*
- * Maintained by: Jeff Garzik <jgarzik@pobox.com>
+ * Maintained by: Tejun Heo <tj@kernel.org>
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
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