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cloud-kernel
cloud-kernel
提交 389984cb 编写于 作者: J Jeff Garzik
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Merge branch 'upstream-fixes'

上级 8a19ac89 9caafa6c
隐藏空白更改
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Showing with 8 addition and 2 deletion
drivers/scsi/sata_sil.c
浏览文件 @ 389984cb
...@@ -231,6 +231,10 @@ MODULE_LICENSE("GPL"); ...@@ -231,6 +231,10 @@ MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, sil_pci_tbl); MODULE_DEVICE_TABLE(pci, sil_pci_tbl);
MODULE_VERSION(DRV_VERSION); 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) 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) ...@@ -354,8 +358,10 @@ static void sil_dev_config(struct ata_port *ap, struct ata_device *dev)
} }
/* limit requests to 15 sectors */ /* limit requests to 15 sectors */
if ((ap->flags & SIL_FLAG_MOD15WRITE) && (quirks & SIL_QUIRK_MOD15WRITE)) { if (slow_down ||
printk(KERN_INFO "ata%u(%u): applying Seagate errata fix\n", ((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->id, dev->devno);
ap->host->max_sectors = 15; ap->host->max_sectors = 15;
ap->host->hostt->max_sectors = 15; ap->host->hostt->max_sectors = 15;
......
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