From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefan Knoblich <stkn@gentoo.org>
Subject: [PATCH] 2.6.10 - add missing dma_mapping_error
Date: Mon, 27 Dec 2004 02:43:12 +0100
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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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