> > I needed the following additional patch to build the generic kernel: And we probably want sba_iommu to have it's own dma_mapping_error routine: DESC From: Bjorn Helgaas Subject: Re: 2.6.5-rc2 lots of warnings for dma_mapping_error EDESC On Monday 22 March 2004 2:36 am, Andrew Morton wrote: > This adds the necessary stubs for ia64 and builds OK with my config, but it > needs a double-check. In addition, I needed the following patch to build the ide-cd driver because the ia64 generic target makes "dma_mapping_error" a #define. DESC From: Bjorn Helgaas Subject: Re: 2.6.5-rc2 lots of warnings for dma_mapping_error EDESC On Monday 22 March 2004 1:21 pm, Andrew Morton wrote: > gack, what a fiasco. > > Here's a new patch which includes everyone's 2000 millicents' worth: Not to prolong the agony, but using the following asm-ia64/dma-mapping.h patch fixes the namespace pollution problem, obviating the need for the ide-cd.c patch: ===== include/asm-ia64/dma-mapping.h 1.3 vs edited ===== DESC From: Bjorn Helgaas Subject: Re: 2.6.5-rc2 lots of warnings for dma_mapping_error EDESC On Monday 22 March 2004 2:58 pm, Andrew Morton wrote: > > Not to prolong the agony, but using the following asm-ia64/dma-mapping.h > > patch fixes the namespace pollution problem, obviating the need for the > > ide-cd.c patch: > > OK, updated rollup: Oops, I meant for my dma-mapping.h patch to be *instead of* yours. It's definitely a Monday :-) OK, 2.5 + your updated rollup + the patch below builds and boots for me (generic_defconfig): ===== include/asm-ia64/dma-mapping.h 1.4 vs edited ===== --- 25-akpm/arch/ia64/hp/common/sba_iommu.c | 7 +++++++ 25-akpm/arch/ia64/lib/swiotlb.c | 7 +++++++ 25-akpm/arch/ia64/sn/io/machvec/pci_dma.c | 7 +++++++ 25-akpm/include/asm-ia64/dma-mapping.h | 6 ++++++ 25-akpm/include/asm-ia64/machvec.h | 8 ++++++++ 25-akpm/include/asm-ia64/machvec_hpzx1.h | 2 ++ 25-akpm/include/asm-ia64/machvec_sn2.h | 2 ++ 7 files changed, 39 insertions(+) diff -puN arch/ia64/hp/common/sba_iommu.c~ia64-dma_mapping_error-fix arch/ia64/hp/common/sba_iommu.c --- 25/arch/ia64/hp/common/sba_iommu.c~ia64-dma_mapping_error-fix Mon Mar 22 14:34:46 2004 +++ 25-akpm/arch/ia64/hp/common/sba_iommu.c Mon Mar 22 14:34:46 2004 @@ -1979,6 +1979,12 @@ sba_dma_supported (struct device *dev, u return ((mask & 0xFFFFFFFFUL) == 0xFFFFFFFFUL); } +int +sba_dma_mapping_error (dma_addr_t dma_addr) +{ + return 0; +} + __setup("nosbagart", nosbagart); static int __init @@ -2004,6 +2010,7 @@ sba_page_override(char *str) __setup("sbapagesize=",sba_page_override); +EXPORT_SYMBOL(sba_dma_mapping_error); EXPORT_SYMBOL(sba_map_single); EXPORT_SYMBOL(sba_unmap_single); EXPORT_SYMBOL(sba_map_sg); diff -puN arch/ia64/lib/swiotlb.c~ia64-dma_mapping_error-fix arch/ia64/lib/swiotlb.c --- 25/arch/ia64/lib/swiotlb.c~ia64-dma_mapping_error-fix Mon Mar 22 14:34:46 2004 +++ 25-akpm/arch/ia64/lib/swiotlb.c Mon Mar 22 14:34:46 2004 @@ -498,6 +498,12 @@ swiotlb_sync_sg_for_device (struct devic sync_single(hwdev, (void *) sg->dma_address, sg->dma_length, dir); } +int +swiotlb_dma_mapping_error(dma_addr_t dma_addr) +{ + return 0; +} + /* * Return whether the given PCI device DMA address mask can be supported properly. For * example, if your device can only drive the low 24-bits during PCI bus mastering, then @@ -518,6 +524,7 @@ EXPORT_SYMBOL(swiotlb_sync_single_for_cp EXPORT_SYMBOL(swiotlb_sync_single_for_device); EXPORT_SYMBOL(swiotlb_sync_sg_for_cpu); EXPORT_SYMBOL(swiotlb_sync_sg_for_device); +EXPORT_SYMBOL(swiotlb_dma_mapping_error); EXPORT_SYMBOL(swiotlb_alloc_coherent); EXPORT_SYMBOL(swiotlb_free_coherent); EXPORT_SYMBOL(swiotlb_dma_supported); diff -puN arch/ia64/sn/io/machvec/pci_dma.c~ia64-dma_mapping_error-fix arch/ia64/sn/io/machvec/pci_dma.c --- 25/arch/ia64/sn/io/machvec/pci_dma.c~ia64-dma_mapping_error-fix Mon Mar 22 14:34:46 2004 +++ 25-akpm/arch/ia64/sn/io/machvec/pci_dma.c Mon Mar 22 14:34:46 2004 @@ -652,6 +652,13 @@ sn_dma_sync_sg_for_device(struct device } EXPORT_SYMBOL(sn_dma_sync_sg_for_device); +int +sn_dma_mapping_error(dma_addr_t dma_addr) +{ + return 0; +} + +EXPORT_SYMBOL(sn_dma_mapping_error); EXPORT_SYMBOL(sn_pci_unmap_single); EXPORT_SYMBOL(sn_pci_map_single); EXPORT_SYMBOL(sn_pci_dma_sync_single_for_cpu); diff -puN include/asm-ia64/dma-mapping.h~ia64-dma_mapping_error-fix include/asm-ia64/dma-mapping.h --- 25/include/asm-ia64/dma-mapping.h~ia64-dma_mapping_error-fix Mon Mar 22 14:34:46 2004 +++ 25-akpm/include/asm-ia64/dma-mapping.h Mon Mar 22 14:35:03 2004 @@ -19,6 +19,12 @@ #define dma_sync_single_for_device platform_dma_sync_single_for_device #define dma_sync_sg_for_device platform_dma_sync_sg_for_device +/* inline function to avoid namespace pollution */ +static inline int dma_mapping_error (dma_addr_t dma_addr) +{ + return platform_dma_mapping_error(dma_addr); +} + #define dma_map_page(dev, pg, off, size, dir) \ dma_map_single(dev, page_address(pg) + (off), (size), (dir)) #define dma_unmap_page(dev, dma_addr, size, dir) \ diff -puN include/asm-ia64/machvec.h~ia64-dma_mapping_error-fix include/asm-ia64/machvec.h --- 25/include/asm-ia64/machvec.h~ia64-dma_mapping_error-fix Mon Mar 22 14:34:46 2004 +++ 25-akpm/include/asm-ia64/machvec.h Mon Mar 22 14:34:46 2004 @@ -46,6 +46,7 @@ typedef void ia64_mv_dma_sync_single_for typedef void ia64_mv_dma_sync_sg_for_cpu (struct device *, struct scatterlist *, int, int); typedef void ia64_mv_dma_sync_single_for_device (struct device *, dma_addr_t, size_t, int); typedef void ia64_mv_dma_sync_sg_for_device (struct device *, struct scatterlist *, int, int); +typedef int ia64_mv_dma_mapping_error (dma_addr_t dma_addr); typedef int ia64_mv_dma_supported (struct device *, u64); /* @@ -110,6 +111,7 @@ extern void machvec_memory_fence (void); # define platform_dma_sync_sg_for_cpu ia64_mv.dma_sync_sg_for_cpu # define platform_dma_sync_single_for_device ia64_mv.dma_sync_single_for_device # define platform_dma_sync_sg_for_device ia64_mv.dma_sync_sg_for_device +# define platform_dma_mapping_error ia64_mv.dma_mapping_error # define platform_dma_supported ia64_mv.dma_supported # define platform_irq_desc ia64_mv.irq_desc # define platform_irq_to_vector ia64_mv.irq_to_vector @@ -158,6 +160,7 @@ struct ia64_machine_vector { ia64_mv_dma_sync_sg_for_cpu *dma_sync_sg_for_cpu; ia64_mv_dma_sync_single_for_device *dma_sync_single_for_device; ia64_mv_dma_sync_sg_for_device *dma_sync_sg_for_device; + ia64_mv_dma_mapping_error *dma_mapping_error; ia64_mv_dma_supported *dma_supported; ia64_mv_irq_desc *irq_desc; ia64_mv_irq_to_vector *irq_to_vector; @@ -202,6 +205,7 @@ struct ia64_machine_vector { platform_dma_sync_sg_for_cpu, \ platform_dma_sync_single_for_device, \ platform_dma_sync_sg_for_device, \ + platform_dma_mapping_error, \ platform_dma_supported, \ platform_irq_desc, \ platform_irq_to_vector, \ @@ -243,6 +247,7 @@ extern ia64_mv_dma_sync_single_for_cpu s extern ia64_mv_dma_sync_sg_for_cpu swiotlb_sync_sg_for_cpu; extern ia64_mv_dma_sync_single_for_device swiotlb_sync_single_for_device; extern ia64_mv_dma_sync_sg_for_device swiotlb_sync_sg_for_device; +extern ia64_mv_dma_mapping_error swiotlb_dma_mapping_error; extern ia64_mv_dma_supported swiotlb_dma_supported; /* @@ -312,6 +317,9 @@ extern ia64_mv_dma_supported swiotlb_dm #ifndef platform_dma_sync_sg_for_device # define platform_dma_sync_sg_for_device swiotlb_sync_sg_for_device #endif +#ifndef platform_dma_mapping_error +# define platform_dma_mapping_error swiotlb_dma_mapping_error +#endif #ifndef platform_dma_supported # define platform_dma_supported swiotlb_dma_supported #endif diff -puN include/asm-ia64/machvec_hpzx1.h~ia64-dma_mapping_error-fix include/asm-ia64/machvec_hpzx1.h --- 25/include/asm-ia64/machvec_hpzx1.h~ia64-dma_mapping_error-fix Mon Mar 22 14:34:46 2004 +++ 25-akpm/include/asm-ia64/machvec_hpzx1.h Mon Mar 22 14:34:46 2004 @@ -9,6 +9,7 @@ extern ia64_mv_dma_unmap_single sba_unm extern ia64_mv_dma_map_sg sba_map_sg; extern ia64_mv_dma_unmap_sg sba_unmap_sg; extern ia64_mv_dma_supported sba_dma_supported; +extern ia64_mv_dma_mapping_error sba_dma_mapping_error; /* * This stuff has dual use! @@ -31,5 +32,6 @@ extern ia64_mv_dma_supported sba_dma_su #define platform_dma_sync_single_for_device ((ia64_mv_dma_sync_single_for_device *) machvec_memory_fence) #define platform_dma_sync_sg_for_device ((ia64_mv_dma_sync_sg_for_device *) machvec_memory_fence) #define platform_dma_supported sba_dma_supported +#define platform_dma_mapping_error sba_dma_mapping_error #endif /* _ASM_IA64_MACHVEC_HPZX1_h */ diff -puN include/asm-ia64/machvec_sn2.h~ia64-dma_mapping_error-fix include/asm-ia64/machvec_sn2.h --- 25/include/asm-ia64/machvec_sn2.h~ia64-dma_mapping_error-fix Mon Mar 22 14:34:46 2004 +++ 25-akpm/include/asm-ia64/machvec_sn2.h Mon Mar 22 14:34:46 2004 @@ -66,6 +66,7 @@ extern ia64_mv_dma_sync_single_for_cpu s extern ia64_mv_dma_sync_sg_for_cpu sn_dma_sync_sg_for_cpu; extern ia64_mv_dma_sync_single_for_device sn_dma_sync_single_for_device; extern ia64_mv_dma_sync_sg_for_device sn_dma_sync_sg_for_device; +extern ia64_mv_dma_mapping_error sn_dma_mapping_error; extern ia64_mv_dma_supported sn_dma_supported; /* @@ -111,6 +112,7 @@ extern ia64_mv_dma_supported sn_dma_sup #define platform_dma_sync_sg_for_cpu sn_dma_sync_sg_for_cpu #define platform_dma_sync_single_for_device sn_dma_sync_single_for_device #define platform_dma_sync_sg_for_device sn_dma_sync_sg_for_device +#define platform_dma_mapping_error sn_dma_mapping_error #define platform_dma_supported sn_dma_supported #include _