From 4d9b977ca674dd40cfc1409a75cb73fca2cee423 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Mon, 5 Jan 2009 23:36:12 +0900 Subject: set up dma_ops appropriately This patch introduces a global pointer, dma_ops, which points to an appropriate dma_mapping_ops that the kernel should use. This is a common way to handle multiple dma_mapping_ops (X86, POWER, and SPARC). dma_ops is set in platform_dma_init. We also set it by hand where machvec_init is callev via subsys_initcall. - IA64_DIG_VTD uses vtd_dma_ops. - IA64_HP_ZX1 uses sba_dma_ops. - IA64_HP_ZX1_SWIOTLB uses hwsw_dma_ops. - IA64_SGI_SN2 uses sn_dma_ops. - The rest use swiotlb_dma_ops. Signed-off-by: FUJITA Tomonori Acked-by: Tony Luck Signed-off-by: Ingo Molnar --- arch/ia64/include/asm/machvec.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'arch/ia64/include/asm/machvec.h') diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h index 59c17e44668..d40722c386b 100644 --- a/arch/ia64/include/asm/machvec.h +++ b/arch/ia64/include/asm/machvec.h @@ -298,6 +298,8 @@ extern void machvec_init_from_cmdline(const char *cmdline); # error Unknown configuration. Update arch/ia64/include/asm/machvec.h. # endif /* CONFIG_IA64_GENERIC */ +extern void swiotlb_dma_init(void); + /* * Define default versions so we can extend machvec for new platforms without having * to update the machvec files for all existing platforms. @@ -328,7 +330,7 @@ extern void machvec_init_from_cmdline(const char *cmdline); # define platform_kernel_launch_event machvec_noop #endif #ifndef platform_dma_init -# define platform_dma_init swiotlb_init +# define platform_dma_init swiotlb_dma_init #endif #ifndef platform_dma_alloc_coherent # define platform_dma_alloc_coherent swiotlb_alloc_coherent -- cgit v1.2.3