[git patches] libata fixes
From: Jeff Garzik
Date: Mon Feb 11 2008 - 14:51:22 EST
Please pull from 'upstream-fixes' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git upstream-fixes
to receive the following updates:
drivers/ata/libata-core.c | 48 +++++++++++++++++++++++++++++-------------
drivers/ata/pata_amd.c | 2 +-
drivers/ata/pata_legacy.c | 2 +-
drivers/ata/pata_ninja32.c | 9 ++++++-
drivers/ata/pata_via.c | 6 ++++-
drivers/ata/sata_mv.c | 50 ++++++++++++++++++++++++-------------------
6 files changed, 75 insertions(+), 42 deletions(-)
Alan Cox (3):
pata_amd: Note in the module description it handles Nvidia
pata_legacy: typo fix
pata_ninja32: setup changes
Byron Bradley (1):
sata_mv: platform driver allocs dma without create
Tejun Heo (2):
pata_via: fix SATA cable detection on cx700
libata: ignore deverr on SETXFER if mode is configured
Yinghai Lu (1):
sata_mv: fix loop with last port
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 3011919..004dae4 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 761a666..ea567e2 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 333dc15..6c59969 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 1c1b835..15dd649 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 39627ab..d119a68 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 080b836..04b5717 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
--
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