6 files changed, 75 insertions, 42 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 3011919f3ec8..004dae4ea5bc 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3048,6 +3048,8 @@ int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel)
 static int ata_dev_set_mode(struct ata_device *dev)
 {
         struct ata_eh_context *ehc = &dev->link->eh_context;
+        const char *dev_err_whine = "";
+        int ign_dev_err = 0;
         unsigned int err_mask;
         int rc;
 
@@ -3057,41 +3059,57 @@ static int ata_dev_set_mode(struct ata_device *dev)
 
         err_mask = ata_dev_set_xfermode(dev);
 
+        if (err_mask & ~AC_ERR_DEV)
+                goto fail;
+
+        /* revalidate */
+        ehc->i.flags |= ATA_EHI_POST_SETMODE;
+        rc = ata_dev_revalidate(dev, ATA_DEV_UNKNOWN, 0);
+        ehc->i.flags &= ~ATA_EHI_POST_SETMODE;
+        if (rc)
+                return rc;
+
         /* Old CFA may refuse this command, which is just fine */
         if (dev->xfer_shift == ATA_SHIFT_PIO && ata_id_is_cfa(dev->id))
-                err_mask &= ~AC_ERR_DEV;
+                ign_dev_err = 1;
 
         /* Some very old devices and some bad newer ones fail any kind of
            SET_XFERMODE request but support PIO0-2 timings and no IORDY */
         if (dev->xfer_shift == ATA_SHIFT_PIO && !ata_id_has_iordy(dev->id) &&
                         dev->pio_mode <= XFER_PIO_2)
-                err_mask &= ~AC_ERR_DEV;
+                ign_dev_err = 1;
 
         /* Early MWDMA devices do DMA but don't allow DMA mode setting.
            Don't fail an MWDMA0 set IFF the device indicates it is in MWDMA0 */
         if (dev->xfer_shift == ATA_SHIFT_MWDMA &&
             dev->dma_mode == XFER_MW_DMA_0 &&
             (dev->id[63] >> 8) & 1)
-                err_mask &= ~AC_ERR_DEV;
+                ign_dev_err = 1;
 
-        if (err_mask) {
-                ata_dev_printk(dev, KERN_ERR, "failed to set xfermode "
-                               "(err_mask=0x%x)\n", err_mask);
-                return -EIO;
-        }
+        /* if the device is actually configured correctly, ignore dev err */
+        if (dev->xfer_mode == ata_xfer_mask2mode(ata_id_xfermask(dev->id)))
+                ign_dev_err = 1;
 
-        ehc->i.flags |= ATA_EHI_POST_SETMODE;
-        rc = ata_dev_revalidate(dev, ATA_DEV_UNKNOWN, 0);
-        ehc->i.flags &= ~ATA_EHI_POST_SETMODE;
-        if (rc)
-                return rc;
+        if (err_mask & AC_ERR_DEV) {
+                if (!ign_dev_err)
+                        goto fail;
+                else
+                        dev_err_whine = " (device error ignored)";
+        }
 
         DPRINTK("xfer_shift=%u, xfer_mode=0x%x\n",
                 dev->xfer_shift, (int)dev->xfer_mode);
 
-        ata_dev_printk(dev, KERN_INFO, "configured for %s\n",
-                       ata_mode_string(ata_xfer_mode2mask(dev->xfer_mode)));
+        ata_dev_printk(dev, KERN_INFO, "configured for %s%s\n",
+                       ata_mode_string(ata_xfer_mode2mask(dev->xfer_mode)),
+                       dev_err_whine);
+
         return 0;
+
+ fail:
+        ata_dev_printk(dev, KERN_ERR, "failed to set xfermode "
+                       "(err_mask=0x%x)\n", err_mask);
+        return -EIO;
 }
 
 /**
diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c
index 761a66608d7b..ea567e2b1703 100644
--- a/drivers/ata/pata_amd.c
+++ b/drivers/ata/pata_amd.c
@@ -772,7 +772,7 @@ static void __exit amd_exit(void)
 }
 
 MODULE_AUTHOR("Alan Cox");
-MODULE_DESCRIPTION("low-level driver for AMD PATA IDE");
+MODULE_DESCRIPTION("low-level driver for AMD and Nvidia PATA IDE");
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, amd);
 MODULE_VERSION(DRV_VERSION);
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index 333dc15f8ccf..6c59969fd50b 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -127,7 +127,7 @@ static int opti82c611a;		/* Opti82c611A on primary 1, sec 2, both 3 */
 static int opti82c46x;          /* Opti 82c465MV present(pri/sec autodetect) */
 static int qdi;                 /* Set to probe QDI controllers */
 static int winbond;             /* Set to probe Winbond controllers,
-                                        give I/O port if non stdanard */
+                                        give I/O port if non standard */
 static int autospeed;           /* Chip present which snoops speed changes */
 static int pio_mask = 0x1F;     /* PIO range for autospeed devices */
 static int iordy_mask = 0xFFFFFFFF;     /* Use iordy if available */
diff --git a/drivers/ata/pata_ninja32.c b/drivers/ata/pata_ninja32.c
index 1c1b83541d13..15dd649f89ee 100644
--- a/drivers/ata/pata_ninja32.c
+++ b/drivers/ata/pata_ninja32.c
@@ -17,6 +17,7 @@
  *      Base + 0x00 IRQ Status
  *      Base + 0x01 IRQ control
  *      Base + 0x02 Chipset control
+ *      Base + 0x03 Unknown
  *      Base + 0x04 VDMA and reset control + wait bits
  *      Base + 0x08 BMIMBA
  *      Base + 0x0C DMA Length
@@ -174,8 +175,12 @@ static int ninja32_init_one(struct pci_dev *dev, const struct pci_device_id *id)
         ata_std_ports(&ap->ioaddr);
 
         iowrite8(0x05, base + 0x01);    /* Enable interrupt lines */
-        iowrite8(0xB3, base + 0x02);    /* Burst, ?? setup */
-        iowrite8(0x00, base + 0x04);    /* WAIT0 ? */
+        iowrite8(0xBE, base + 0x02);    /* Burst, ?? setup */
+        iowrite8(0x01, base + 0x03);    /* Unknown */
+        iowrite8(0x20, base + 0x04);    /* WAIT0 */
+        iowrite8(0x8f, base + 0x05);    /* Unknown */
+        iowrite8(0xa4, base + 0x1c);    /* Unknown */
+        iowrite8(0x83, base + 0x1d);    /* BMDMA control: WAIT0 */
         /* FIXME: Should we disable them at remove ? */
         return ata_host_activate(host, dev->irq, ata_interrupt,
                                  IRQF_SHARED, &ninja32_sht);
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c
index 39627ab684bf..d119a68c388f 100644
--- a/drivers/ata/pata_via.c
+++ b/drivers/ata/pata_via.c
@@ -84,6 +84,7 @@ enum {
         VIA_BAD_ID      = 0x100, /* Has wrong vendor ID (0x1107) */
         VIA_BAD_AST     = 0x200, /* Don't touch Address Setup Timing */
         VIA_NO_ENABLES  = 0x400, /* Has no enablebits */
+        VIA_SATA_PATA   = 0x800, /* SATA/PATA combined configuration */
 };
 
 /*
@@ -100,7 +101,7 @@ static const struct via_isa_bridge {
         { "vx800",      PCI_DEVICE_ID_VIA_VX800,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8237s",    PCI_DEVICE_ID_VIA_8237S,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8251",     PCI_DEVICE_ID_VIA_8251,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
-        { "cx700",      PCI_DEVICE_ID_VIA_CX700,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
+        { "cx700",      PCI_DEVICE_ID_VIA_CX700,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST | VIA_SATA_PATA },
         { "vt6410",     PCI_DEVICE_ID_VIA_6410,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST | VIA_NO_ENABLES},
         { "vt8237a",    PCI_DEVICE_ID_VIA_8237A,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8237",     PCI_DEVICE_ID_VIA_8237,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
@@ -172,6 +173,9 @@ static int via_cable_detect(struct ata_port *ap) {
         if (via_cable_override(pdev))
                 return ATA_CBL_PATA40_SHORT;
 
+        if ((config->flags & VIA_SATA_PATA) && ap->port_no == 0)
+                return ATA_CBL_SATA;
+
         /* Early chips are 40 wire */
         if ((config->flags & VIA_UDMA) < VIA_UDMA_66)
                 return ATA_CBL_PATA40;
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 080b8362f8d6..04b571764aff 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -1716,14 +1716,16 @@ static void mv_host_intr(struct ata_host *host, u32 relevant, unsigned int hc)
         VPRINTK("ENTER, hc%u relevant=0x%08x HC IRQ cause=0x%08x\n",
                 hc, relevant, hc_irq_cause);
 
-        for (port = port0; port < port0 + last_port; port++) {
+        for (port = port0; port < last_port; port++) {
                 struct ata_port *ap = host->ports[port];
-                struct mv_port_priv *pp = ap->private_data;
+                struct mv_port_priv *pp;
                 int have_err_bits, hard_port, shift;
 
                 if ((!ap) || (ap->flags & ATA_FLAG_DISABLED))
                         continue;
 
+                pp = ap->private_data;
+
                 shift = port << 1;              /* (port * 2) */
                 if (port >= MV_PORTS_PER_HC) {
                         shift++;        /* skip bit 8 in the HC Main IRQ reg */
@@ -2879,6 +2881,26 @@ done:
         return rc;
 }
 
+static int mv_create_dma_pools(struct mv_host_priv *hpriv, struct device *dev)
+{
+        hpriv->crqb_pool   = dmam_pool_create("crqb_q", dev, MV_CRQB_Q_SZ,
+                                                             MV_CRQB_Q_SZ, 0);
+        if (!hpriv->crqb_pool)
+                return -ENOMEM;
+
+        hpriv->crpb_pool   = dmam_pool_create("crpb_q", dev, MV_CRPB_Q_SZ,
+                                                             MV_CRPB_Q_SZ, 0);
+        if (!hpriv->crpb_pool)
+                return -ENOMEM;
+
+        hpriv->sg_tbl_pool = dmam_pool_create("sg_tbl", dev, MV_SG_TBL_SZ,
+                                                             MV_SG_TBL_SZ, 0);
+        if (!hpriv->sg_tbl_pool)
+                return -ENOMEM;
+
+        return 0;
+}
+
 /**
  *      mv_platform_probe - handle a positive probe of an soc Marvell
  *      host
@@ -2932,6 +2954,10 @@ static int mv_platform_probe(struct platform_device *pdev)
         hpriv->base = ioremap(res->start, res->end - res->start + 1);
         hpriv->base -= MV_SATAHC0_REG_BASE;
 
+        rc = mv_create_dma_pools(hpriv, &pdev->dev);
+        if (rc)
+                return rc;
+
         /* initialize adapter */
         rc = mv_init_host(host, chip_soc);
         if (rc)
@@ -3068,26 +3094,6 @@ static void mv_print_info(struct ata_host *host)
                scc_s, (MV_HP_FLAG_MSI & hpriv->hp_flags) ? "MSI" : "INTx");
 }
 
-static int mv_create_dma_pools(struct mv_host_priv *hpriv, struct device *dev)
-{
-        hpriv->crqb_pool   = dmam_pool_create("crqb_q", dev, MV_CRQB_Q_SZ,
-                                                             MV_CRQB_Q_SZ, 0);
-        if (!hpriv->crqb_pool)
-                return -ENOMEM;
-
-        hpriv->crpb_pool   = dmam_pool_create("crpb_q", dev, MV_CRPB_Q_SZ,
-                                                             MV_CRPB_Q_SZ, 0);
-        if (!hpriv->crpb_pool)
-                return -ENOMEM;
-
-        hpriv->sg_tbl_pool = dmam_pool_create("sg_tbl", dev, MV_SG_TBL_SZ,
-                                                             MV_SG_TBL_SZ, 0);
-        if (!hpriv->sg_tbl_pool)
-                return -ENOMEM;
-
-        return 0;
-}
-
 /**
  *      mv_pci_init_one - handle a positive probe of a PCI Marvell host
  *      @pdev: PCI device found