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| author | Jeff Garzik <jgarzik@pobox.com> | 2006-02-17 16:20:30 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2006-02-17 16:20:30 -0500 |
| commit | b04a92e1601eb6df3a3b6599e7fb7ee021eef2cb (patch) | |
| tree | f190980d5bffae81a67c0cea0d913ed2444ceb0c /drivers/scsi/sata_sil.c | |
| parent | 70c07e02625ec46d0ffbfce1acef42d660803528 (diff) | |
| parent | f5e2a7b22e7d7dfda8794906d0fddeaaa09bb944 (diff) | |
| download | kernel_samsung_tuna-b04a92e1601eb6df3a3b6599e7fb7ee021eef2cb.zip kernel_samsung_tuna-b04a92e1601eb6df3a3b6599e7fb7ee021eef2cb.tar.gz kernel_samsung_tuna-b04a92e1601eb6df3a3b6599e7fb7ee021eef2cb.tar.bz2 | |
Merge branch 'upstream-fixes'
Diffstat (limited to 'drivers/scsi/sata_sil.c')
| -rw-r--r-- | drivers/scsi/sata_sil.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c index b017f85..17f74d3 100644 --- a/drivers/scsi/sata_sil.c +++ b/drivers/scsi/sata_sil.c @@ -231,6 +231,10 @@ MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, sil_pci_tbl); MODULE_VERSION(DRV_VERSION); +static int slow_down = 0; +module_param(slow_down, int, 0444); +MODULE_PARM_DESC(slow_down, "Sledgehammer used to work around random problems, by limiting commands to 15 sectors (0=off, 1=on)"); + static unsigned char sil_get_device_cache_line(struct pci_dev *pdev) { @@ -354,8 +358,10 @@ static void sil_dev_config(struct ata_port *ap, struct ata_device *dev) } /* limit requests to 15 sectors */ - if ((ap->flags & SIL_FLAG_MOD15WRITE) && (quirks & SIL_QUIRK_MOD15WRITE)) { - printk(KERN_INFO "ata%u(%u): applying Seagate errata fix\n", + if (slow_down || + ((ap->flags & SIL_FLAG_MOD15WRITE) && + (quirks & SIL_QUIRK_MOD15WRITE))) { + printk(KERN_INFO "ata%u(%u): applying Seagate errata fix (mod15write workaround)\n", ap->id, dev->devno); ap->host->max_sectors = 15; ap->host->hostt->max_sectors = 15; |