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Commit 728c7763 authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev

parents d1138cf0 a1bd9e68
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Showing with 105 additions and 14 deletions
drivers/pci/quirks.c
View file @ 728c7763
......@@ -1142,6 +1142,9 @@ static void __devinit quirk_intel_ide_combined(struct pci_dev *pdev)
case 0x27c4:
ich = 7;
break;
case 0x2828: /* ICH8M */
ich = 8;
break;
default:
/* we do not handle this PCI device */
return;
......@@ -1161,7 +1164,7 @@ static void __devinit quirk_intel_ide_combined(struct pci_dev *pdev)
else
return; /* not in combined mode */
} else {
WARN_ON((ich != 6) && (ich != 7));
WARN_ON((ich != 6) && (ich != 7) && (ich != 8));
tmp &= 0x3; /* interesting bits 1:0 */
if (tmp & (1 << 0))
comb = (1 << 2); /* PATA port 0, SATA port 1 */
......
drivers/scsi/ahci.c
View file @ 728c7763
......@@ -276,6 +276,16 @@ static const struct pci_device_id ahci_pci_tbl[] = {
board_ahci }, /* ESB2 */
{ PCI_VENDOR_ID_INTEL, 0x27c6, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_ahci }, /* ICH7-M DH */
{ PCI_VENDOR_ID_INTEL, 0x2821, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_ahci }, /* ICH8 */
{ PCI_VENDOR_ID_INTEL, 0x2822, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_ahci }, /* ICH8 */
{ PCI_VENDOR_ID_INTEL, 0x2824, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_ahci }, /* ICH8 */
{ PCI_VENDOR_ID_INTEL, 0x2829, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_ahci }, /* ICH8M */
{ PCI_VENDOR_ID_INTEL, 0x282a, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_ahci }, /* ICH8M */
{ } /* terminate list */
};
......
drivers/scsi/ata_piix.c
View file @ 728c7763
......@@ -157,6 +157,9 @@ static const struct pci_device_id piix_pci_tbl[] = {
{ 0x8086, 0x27c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
{ 0x8086, 0x27c4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
{ 0x8086, 0x2680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
{ 0x8086, 0x2820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
{ 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
{ 0x8086, 0x2828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
{ } /* terminate list */
};
......
drivers/scsi/libata-core.c
View file @ 728c7763
......@@ -611,6 +611,10 @@ int ata_rwcmd_protocol(struct ata_queued_cmd *qc)
if (dev->flags & ATA_DFLAG_PIO) {
tf->protocol = ATA_PROT_PIO;
index = dev->multi_count ? 0 : 8;
} else if (lba48 && (qc->ap->flags & ATA_FLAG_PIO_LBA48)) {
/* Unable to use DMA due to host limitation */
tf->protocol = ATA_PROT_PIO;
index = dev->multi_count ? 0 : 4;
} else {
tf->protocol = ATA_PROT_DMA;
index = 16;
......@@ -1051,18 +1055,22 @@ static unsigned int ata_pio_modes(const struct ata_device *adev)
{
u16 modes;
/* Usual case. Word 53 indicates word 88 is valid */
if (adev->id[ATA_ID_FIELD_VALID] & (1 << 2)) {
/* Usual case. Word 53 indicates word 64 is valid */
if (adev->id[ATA_ID_FIELD_VALID] & (1 << 1)) {
modes = adev->id[ATA_ID_PIO_MODES] & 0x03;
modes <<= 3;
modes |= 0x7;
return modes;
}
/* If word 88 isn't valid then Word 51 holds the PIO timing number
for the maximum. Turn it into a mask and return it */
modes = (2 << (adev->id[ATA_ID_OLD_PIO_MODES] & 0xFF)) - 1 ;
/* If word 64 isn't valid then Word 51 high byte holds the PIO timing
number for the maximum. Turn it into a mask and return it */
modes = (2 << ((adev->id[ATA_ID_OLD_PIO_MODES] >> 8) & 0xFF)) - 1 ;
return modes;
/* But wait.. there's more. Design your standards by committee and
you too can get a free iordy field to process. However its the
speeds not the modes that are supported... Note drivers using the
timing API will get this right anyway */
}
struct ata_exec_internal_arg {
......@@ -1164,6 +1172,39 @@ ata_exec_internal(struct ata_port *ap, struct ata_device *dev,
return AC_ERR_OTHER;
}
/**
* ata_pio_need_iordy - check if iordy needed
* @adev: ATA device
*
* Check if the current speed of the device requires IORDY. Used
* by various controllers for chip configuration.
*/
unsigned int ata_pio_need_iordy(const struct ata_device *adev)
{
int pio;
int speed = adev->pio_mode - XFER_PIO_0;
if (speed < 2)
return 0;
if (speed > 2)
return 1;
/* If we have no drive specific rule, then PIO 2 is non IORDY */
if (adev->id[ATA_ID_FIELD_VALID] & 2) { /* EIDE */
pio = adev->id[ATA_ID_EIDE_PIO];
/* Is the speed faster than the drive allows non IORDY ? */
if (pio) {
/* This is cycle times not frequency - watch the logic! */
if (pio > 240) /* PIO2 is 240nS per cycle */
return 1;
return 0;
}
}
return 0;
}
/**
* ata_dev_identify - obtain IDENTIFY x DEVICE page
* @ap: port on which device we wish to probe resides
......@@ -1415,7 +1456,7 @@ void ata_dev_config(struct ata_port *ap, unsigned int i)
ap->udma_mask &= ATA_UDMA5;
ap->host->max_sectors = ATA_MAX_SECTORS;
ap->host->hostt->max_sectors = ATA_MAX_SECTORS;
ap->device->flags |= ATA_DFLAG_LOCK_SECTORS;
ap->device[i].flags |= ATA_DFLAG_LOCK_SECTORS;
}
if (ap->ops->dev_config)
......@@ -3056,10 +3097,21 @@ static void ata_pio_data_xfer(struct ata_port *ap, unsigned char *buf,
static void ata_data_xfer(struct ata_port *ap, unsigned char *buf,
unsigned int buflen, int do_write)
{
if (ap->flags & ATA_FLAG_MMIO)
ata_mmio_data_xfer(ap, buf, buflen, do_write);
else
ata_pio_data_xfer(ap, buf, buflen, do_write);
/* Make the crap hardware pay the costs not the good stuff */
if (unlikely(ap->flags & ATA_FLAG_IRQ_MASK)) {
unsigned long flags;
local_irq_save(flags);
if (ap->flags & ATA_FLAG_MMIO)
ata_mmio_data_xfer(ap, buf, buflen, do_write);
else
ata_pio_data_xfer(ap, buf, buflen, do_write);
local_irq_restore(flags);
} else {
if (ap->flags & ATA_FLAG_MMIO)
ata_mmio_data_xfer(ap, buf, buflen, do_write);
else
ata_pio_data_xfer(ap, buf, buflen, do_write);
}
}
/**
......@@ -5122,6 +5174,7 @@ EXPORT_SYMBOL_GPL(ata_dev_id_string);
EXPORT_SYMBOL_GPL(ata_dev_config);
EXPORT_SYMBOL_GPL(ata_scsi_simulate);
EXPORT_SYMBOL_GPL(ata_pio_need_iordy);
EXPORT_SYMBOL_GPL(ata_timing_compute);
EXPORT_SYMBOL_GPL(ata_timing_merge);
......
drivers/scsi/sata_promise.c
View file @ 728c7763
......@@ -66,6 +66,7 @@ enum {
board_2037x = 0, /* FastTrak S150 TX2plus */
board_20319 = 1, /* FastTrak S150 TX4 */
board_20619 = 2, /* FastTrak TX4000 */
board_20771 = 3, /* FastTrak TX2300 */
PDC_HAS_PATA = (1 << 1), /* PDC20375 has PATA */
......@@ -190,6 +191,16 @@ static const struct ata_port_info pdc_port_info[] = {
.udma_mask = 0x7f, /* udma0-6 ; FIXME */
.port_ops = &pdc_pata_ops,
},
/* board_20771 */
{
.sht = &pdc_ata_sht,
.host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x7f, /* udma0-6 ; FIXME */
.port_ops = &pdc_sata_ops,
},
};
static const struct pci_device_id pdc_ata_pci_tbl[] = {
......@@ -226,6 +237,8 @@ static const struct pci_device_id pdc_ata_pci_tbl[] = {
{ PCI_VENDOR_ID_PROMISE, 0x6629, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_20619 },
{ PCI_VENDOR_ID_PROMISE, 0x3570, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_20771 },
{ } /* terminate list */
};
......@@ -706,6 +719,9 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
case board_2037x:
probe_ent->n_ports = 2;
break;
case board_20771:
probe_ent->n_ports = 2;
break;
case board_20619:
probe_ent->n_ports = 4;
......
drivers/scsi/sata_svw.c
View file @ 728c7763
......@@ -470,6 +470,7 @@ static const struct pci_device_id k2_sata_pci_tbl[] = {
{ 0x1166, 0x0241, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
{ 0x1166, 0x0242, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 },
{ 0x1166, 0x024a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
{ 0x1166, 0x024b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
{ }
};
......
include/linux/libata.h
View file @ 728c7763
......@@ -126,16 +126,19 @@ enum {
ATA_FLAG_SUSPENDED = (1 << 12), /* port is suspended */
ATA_FLAG_PIO_LBA48 = (1 << 13), /* Host DMA engine is LBA28 only */
ATA_FLAG_IRQ_MASK = (1 << 14), /* Mask IRQ in PIO xfers */
ATA_QCFLAG_ACTIVE = (1 << 1), /* cmd not yet ack'd to scsi lyer */
ATA_QCFLAG_SG = (1 << 3), /* have s/g table? */
ATA_QCFLAG_SINGLE = (1 << 4), /* no s/g, just a single buffer */
ATA_QCFLAG_DMAMAP = ATA_QCFLAG_SG | ATA_QCFLAG_SINGLE,
/* various lengths of time */
ATA_TMOUT_EDD = 5 * HZ, /* hueristic */
ATA_TMOUT_EDD = 5 * HZ, /* heuristic */
ATA_TMOUT_PIO = 30 * HZ,
ATA_TMOUT_BOOT = 30 * HZ, /* hueristic */
ATA_TMOUT_BOOT_QUICK = 7 * HZ, /* hueristic */
ATA_TMOUT_BOOT = 30 * HZ, /* heuristic */
ATA_TMOUT_BOOT_QUICK = 7 * HZ, /* heuristic */
ATA_TMOUT_CDB = 30 * HZ,
ATA_TMOUT_CDB_QUICK = 5 * HZ,
ATA_TMOUT_INTERNAL = 30 * HZ,
......@@ -499,6 +502,8 @@ extern int ata_scsi_slave_config(struct scsi_device *sdev);
/*
* Timing helpers
*/
extern unsigned int ata_pio_need_iordy(const struct ata_device *);
extern int ata_timing_compute(struct ata_device *, unsigned short,
struct ata_timing *, int, int);
extern void ata_timing_merge(const struct ata_timing *,
......
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