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Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev

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* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  ahci: add device ID for 82801JI sata controller
  drivers/ata: Move a dereference below a NULL test
  libata: implement and use HORKAGE_NOSETXFER, take#2
  libata: fix follow-up SRST failure path
This commit is contained in:
Linus Torvalds 2009-07-15 10:29:09 -07:00
commit 35b5c55fee
5 changed files with 26 additions and 3 deletions
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1
drivers/ata/ahci.c
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@ -513,6 +513,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
{ PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
{ PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
{ PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
{ PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
{ PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */

20
drivers/ata/libata-core.c
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@ -3392,17 +3392,27 @@ int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel)
static int ata_dev_set_mode(struct ata_device *dev)
{
struct ata_port *ap = dev->link->ap;
struct ata_eh_context *ehc = &dev->link->eh_context;
const bool nosetxfer = dev->horkage & ATA_HORKAGE_NOSETXFER;
const char *dev_err_whine = "";
int ign_dev_err = 0;
unsigned int err_mask;
unsigned int err_mask = 0;
int rc;
dev->flags &= ~ATA_DFLAG_PIO;
if (dev->xfer_shift == ATA_SHIFT_PIO)
dev->flags |= ATA_DFLAG_PIO;
err_mask = ata_dev_set_xfermode(dev);
if (nosetxfer && ap->flags & ATA_FLAG_SATA && ata_id_is_sata(dev->id))
dev_err_whine = " (SET_XFERMODE skipped)";
else {
if (nosetxfer)
ata_dev_printk(dev, KERN_WARNING,
"NOSETXFER but PATA detected - can't "
"skip SETXFER, might malfunction\n");
err_mask = ata_dev_set_xfermode(dev);
}
if (err_mask & ~AC_ERR_DEV)
goto fail;
@ -4297,6 +4307,12 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
/* Devices which aren't very happy with higher link speeds */
{ "WD My Book", NULL, ATA_HORKAGE_1_5_GBPS, },
/*
* Devices which choke on SETXFER. Applies only if both the
* device and controller are SATA.
*/
{ "PIONEER DVD-RW DVRTD08", "1.00", ATA_HORKAGE_NOSETXFER },
/* End Marker */
{ }
};

4
drivers/ata/libata-eh.c
View File

@ -2517,6 +2517,10 @@ int ata_eh_reset(struct ata_link *link, int classify,
ata_eh_about_to_do(link, NULL, ATA_EH_RESET);
rc = ata_do_reset(link, reset, classes, deadline, true);
if (rc) {
failed_link = link;
goto fail;
}
}
} else {
if (verbose)

3
drivers/ata/pata_at91.c
View File

@ -312,11 +312,12 @@ err_ide_ioremap:
static int __devexit pata_at91_remove(struct platform_device *pdev)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
struct at91_ide_info *info = host->private_data;
struct at91_ide_info *info;
struct device *dev = &pdev->dev;
if (!host)
return 0;
info = host->private_data;
ata_host_detach(host);

1
include/linux/libata.h
View File

@ -385,6 +385,7 @@ enum {
not multiple of 16 bytes */
ATA_HORKAGE_FIRMWARE_WARN = (1 << 12), /* firmware update warning */
ATA_HORKAGE_1_5_GBPS = (1 << 13), /* force 1.5 Gbps */
ATA_HORKAGE_NOSETXFER = (1 << 14), /* skip SETXFER, SATA only */
/* DMA mask for user DMA control: User visible values; DO NOT
renumber */