BMC/Intel-BMC/linux.git/arch/sparc/include/asm/dma-mapping.h, branch dev

sparc: Add NOP dma_cache_sync() implementation.

2014-11-26T21:36:41+00:00

This can be a NOP because we forward dma_{alloc,free}_noncoherent to dma_{alloc,free}_coherent. Signed-off-by: David S. Miller

sparc32, leon: Make leon_dma_ops avaiable when !CONFIG_PCI

2014-09-09T23:42:17+00:00

The leon_dma_ops struct is needed for leon regardless of PCI configuration. Signed-off-by: Andreas Larsson Signed-off-by: David S. Miller

sparc: drop use of extern for prototypes in arch/sparc/include/asm

2014-05-19T02:01:29+00:00

Drop extern for all prototypes and adjust alignment of parameters as required after the removal. In a few rare cases adjust linelength to conform to maximum 80 chars, and likewise in a few rare cases adjust alignment of parameters to static functions. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller

sparc: dma-mapping: support debug_dma_mapping_error

2012-11-17T12:20:38+00:00

Add support for debug_dma_mapping_error() call to avoid warning from debug_dma_unmap() interface when it checks for mapping error checked status. Without this patch, device driver failed to check map error warning is generated. Signed-off-by: Shuah Khan Acked-by: David S. Miller Signed-off-by: Joerg Roedel

sparc32,leon: always support leon in ioport

2012-05-28T06:52:53+00:00

Unconditially define pci32_dma_ops as this is used for leon. Signed-off-by: Sam Ravnborg Cc: Daniel Hellstrom Cc: Konrad Eisele

SPARC: adapt for dma_map_ops changes

2012-03-28T14:36:34+00:00

Adapt core SPARC architecture code for dma_map_ops changes: replace alloc/free_coherent with generic alloc/free methods. Signed-off-by: Andrzej Pietrasiewicz Acked-by: Kyungmin Park Signed-off-by: Marek Szyprowski Reviewed-by: Arnd Bergmann Acked-by: David S. Miller

dma-mapping: remove dma_is_consistent API

2010-08-11T15:59:21+00:00

Architectures implement dma_is_consistent() in different ways (some misinterpret the definition of API in DMA-API.txt). So it hasn't been so useful for drivers. We have only one user of the API in tree. Unlikely out-of-tree drivers use the API. Even if we fix dma_is_consistent() in some architectures, it doesn't look useful at all. It was invented long ago for some old systems that can't allocate coherent memory at all. It's better to export only APIs that are definitely necessary for drivers. Let's remove this API. Signed-off-by: FUJITA Tomonori Cc: James Bottomley Reviewed-by: Konrad Rzeszutek Wilk Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

dma-mapping: unify dma_get_cache_alignment implementations

2010-08-11T15:59:21+00:00

dma_get_cache_alignment returns the minimum DMA alignment. Architectures defines it as ARCH_DMA_MINALIGN (formally ARCH_KMALLOC_MINALIGN). So we can unify dma_get_cache_alignment implementations. Note that some architectures implement dma_get_cache_alignment wrongly. dma_get_cache_alignment() should return the minimum DMA alignment. So fully-coherent architectures should return 1. This patch also fixes this issue. Signed-off-by: FUJITA Tomonori Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

dma-mapping: sparc: unify 32bit and 64bit dma_set_mask

2010-03-12T23:52:42+00:00

This patchset transforms the PCI DMA API into the generic device model. It's one of the reasons why we introduced the generic DMA API long ago; driver writers are always able to use the generic DMA API with any bus instead of using bus specific DMA APIs such as pci_map_single, sbus_map_single, etc (only two bus specific APIs exist now; pci and ssb). Some of the PCI DMA API are already implented on the top of the generic DMA API (include/asm-generic/pci-dma-compat.h). But there are some exceptions. This patchset finishes the transformation. This patch: sparc has two dma_set_mask implementations for 32bit and 64bit. They are same except for the error returned value. We can safely unify them since the error returned value doesn't matter as long as it is negative (as DMA-API.txt describes). This patch also changes dma_set_mask not to call pci_set_dma_mask. Instead, dma_set_mask does the same thing that pci_set_dma_mask does. This change enables ut to change pci_set_dma_mask to call dma_set_mask; we can implement pci_set_dma_mask as pci-dma-compat.h does. Signed-off-by: FUJITA Tomonori Acked-by: David Miller Cc: Richard Henderson Cc: Ivan Kokshaysky Cc: Matt Turner Cc: James Bottomley Cc: Jesse Barnes Cc: Benjamin Herrenschmidt Cc: Russell King Cc: Greg KH Cc: Kay Sievers Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

sparc: Add CONFIG_DMA_API_DEBUG support

2009-08-10T07:35:00+00:00

All we need to do for CONFIG_DMA_API_DEBUG support is call dma_debug_init() in DMA code common for SPARC32 and SPARC64. Now SPARC32 uses two dma_map_ops structures for pci and sbus so there is not much dma stuff for SPARC32 in kernel/dma.c. kernel/ioport.c also includes dma stuff for SPARC32. So let's put all the dma stuff for SPARC32 in kernel/ioport.c and make kernel/dma.c common for SPARC32 and SPARC64. Signed-off-by: FUJITA Tomonori Tested-by: Robert Reif Acked-by: David S. Miller Cc: tony.luck@intel.com Cc: fenghua.yu@intel.com LKML-Reference: <1249872797-1314-9-git-send-email-fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Ingo Molnar