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x86/PCI: build failure at x86/kernel/pci-dma.c with !CONFIG_PCI

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On Thu, Oct 23, 2008 at 04:09:52PM -0700, Alexander Beregalov wrote:
> arch/x86/kernel/built-in.o: In function `iommu_setup':
> pci-dma.c:(.init.text+0x36ad): undefined reference to `forbid_dac'
> pci-dma.c:(.init.text+0x36cc): undefined reference to `forbid_dac'
> pci-dma.c:(.init.text+0x3711): undefined reference to `forbid_dac

This patch partially reverts a patch to add IOMMU support to ia64.  The
forbid_dac variable was incorrectly moved to quirks.c, which isn't built
when PCI is disabled.

Tested-by: "Alexander Beregalov" <a.beregalov@gmail.com>
Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Fenghua Yu
2008-10-23 16:51:00 -07:00
committed by Jesse Barnes
parent e013e13bf6
commit 3b15e58198
5 changed files with 16 additions and 23 deletions
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7
arch/ia64/kernel/pci-dma.c
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@@ -89,13 +89,6 @@ int iommu_dma_supported(struct device *dev, u64 mask)
{
struct dma_mapping_ops *ops = get_dma_ops(dev);
#ifdef CONFIG_PCI
if (mask > 0xffffffff && forbid_dac > 0) {
dev_info(dev, "Disallowing DAC for device\n");
return 0;
}
#endif
if (ops->dma_supported_op)
return ops->dma_supported_op(dev, mask);