From: Benjamin Herrenschmidt Date: Mon, 13 Oct 2008 17:51:46 +0000 (+0000) Subject: powerpc: Fix link errors on 32-bit machines using legacy DMA X-Git-Tag: v2.6.28-rc1~569^2~4 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=7b6b574ca7d5d5ba6ae7155c1fb877cc7130eff7;p=linux-2.6-omap-h63xx.git powerpc: Fix link errors on 32-bit machines using legacy DMA The new merged DMA code will try to access isa_bridge_pcidev when trying to DMA to/from legacy devices. This is however only defined on 64-bit. Fixes this for now by adding the variable, even if it stays NULL. In the long run, we'll make isa-bridge.c common to 32 and 64-bit. Signed-off-by: Benjamin Herrenschmidt --- diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index a848c6360bd..131b1dfa68c 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -53,6 +53,12 @@ LIST_HEAD(hose_list); static int pci_bus_count; +/* This will remain NULL for now, until isa-bridge.c is made common + * to both 32-bit and 64-bit. + */ +struct pci_dev *isa_bridge_pcidev; +EXPORT_SYMBOL_GPL(isa_bridge_pcidev); + static void fixup_hide_host_resource_fsl(struct pci_dev *dev) {