* [PATCH] 2.6.10 - add missing dma_mapping_error
@ 2004-12-27 1:43 Stefan Knoblich
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From: Stefan Knoblich @ 2004-12-27 1:43 UTC (permalink / raw)
To: linux-alpha
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Hi,
this patch adds dma_mapping_error to dma-mapping.h, it's needed to compile
s-ata support (=libata and maybe other stuff).
stefan
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--- linux-2.6.10/include/asm-alpha/dma-mapping.h.orig 2004-12-26 20:45:25.139475104 +0100
+++ linux-2.6.10/include/asm-alpha/dma-mapping.h 2004-12-26 20:46:54.684862136 +0100
@@ -25,6 +25,8 @@
pci_unmap_sg(alpha_gendev_to_pci(dev), sg, nents, dir)
#define dma_supported(dev, mask) \
pci_dma_supported(alpha_gendev_to_pci(dev), mask)
+#define dma_mapping_error(addr) \
+ pci_dma_mapping_error(addr)
#else /* no PCI - no IOMMU. */
@@ -43,6 +45,8 @@
#define dma_unmap_page(dev, addr, size, dir) do { } while (0)
#define dma_unmap_sg(dev, sg, nents, dir) do { } while (0)
+#define dma_mapping_error(addr) (0)
+
#endif /* !CONFIG_PCI */
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
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2004-12-27 1:43 [PATCH] 2.6.10 - add missing dma_mapping_error Stefan Knoblich
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