diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-09 19:57:25 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-09 19:57:25 -0800 |
| commit | 3b44f137b9a846c5452d9e6e1271b79b1dbcc942 (patch) | |
| tree | 2465db413b527b65f2000aa7aa33d0f962ca3479 /drivers/ide/pci/siimage.c | |
| parent | b01a55a865eeac0371f1a73d36b134d23d938e1a (diff) | |
| parent | 07203f6471a11f4eda48acbe528c0ce4704ad42c (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6
Diffstat (limited to 'drivers/ide/pci/siimage.c')
| -rw-r--r-- | drivers/ide/pci/siimage.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 2b9961b8813..022d244f2eb 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -701,6 +701,7 @@ static unsigned int setup_mmio_siimage (struct pci_dev *dev, const char *name) unsigned long barsize = pci_resource_len(dev, 5); u8 tmpbyte = 0; void __iomem *ioaddr; + u32 tmp, irq_mask; /* * Drop back to PIO if we can't map the mmio. Some @@ -726,6 +727,14 @@ static unsigned int setup_mmio_siimage (struct pci_dev *dev, const char *name) pci_set_drvdata(dev, (void *) ioaddr); if (pdev_is_sata(dev)) { + /* make sure IDE0/1 interrupts are not masked */ + irq_mask = (1 << 22) | (1 << 23); + tmp = readl(ioaddr + 0x48); + if (tmp & irq_mask) { + tmp &= ~irq_mask; + writel(tmp, ioaddr + 0x48); + readl(ioaddr + 0x48); /* flush */ + } writel(0, ioaddr + 0x148); writel(0, ioaddr + 0x1C8); } |