)]}'
{
  "commit": "00085f1efa387a8ce100e3734920f7639c80caa3",
  "tree": "41ff3d6e6884918b4fc4f1ae96a284098167c5b0",
  "parents": [
    "1605d2715ad2e67ddd0485a26e05ed670a4285ca"
  ],
  "author": {
    "name": "Krzysztof Kozlowski",
    "email": "k.kozlowski@samsung.com",
    "time": "Wed Aug 03 13:46:00 2016 -0700"
  },
  "committer": {
    "name": "Linus Torvalds",
    "email": "torvalds@linux-foundation.org",
    "time": "Thu Aug 04 08:50:07 2016 -0400"
  },
  "message": "dma-mapping: use unsigned long for dma_attrs\n\nThe dma-mapping core and the implementations do not change the DMA\nattributes passed by pointer.  Thus the pointer can point to const data.\nHowever the attributes do not have to be a bitfield.  Instead unsigned\nlong will do fine:\n\n1. This is just simpler.  Both in terms of reading the code and setting\n   attributes.  Instead of initializing local attributes on the stack\n   and passing pointer to it to dma_set_attr(), just set the bits.\n\n2. It brings safeness and checking for const correctness because the\n   attributes are passed by value.\n\nSemantic patches for this change (at least most of them):\n\n    virtual patch\n    virtual context\n\n    @r@\n    identifier f, attrs;\n\n    @@\n    f(...,\n    - struct dma_attrs *attrs\n    + unsigned long attrs\n    , ...)\n    {\n    ...\n    }\n\n    @@\n    identifier r.f;\n    @@\n    f(...,\n    - NULL\n    + 0\n     )\n\nand\n\n    // Options: --all-includes\n    virtual patch\n    virtual context\n\n    @r@\n    identifier f, attrs;\n    type t;\n\n    @@\n    t f(..., struct dma_attrs *attrs);\n\n    @@\n    identifier r.f;\n    @@\n    f(...,\n    - NULL\n    + 0\n     )\n\nLink: http://lkml.kernel.org/r/1468399300-5399-2-git-send-email-k.kozlowski@samsung.com\nSigned-off-by: Krzysztof Kozlowski \u003ck.kozlowski@samsung.com\u003e\nAcked-by: Vineet Gupta \u003cvgupta@synopsys.com\u003e\nAcked-by: Robin Murphy \u003crobin.murphy@arm.com\u003e\nAcked-by: Hans-Christian Noren Egtvedt \u003cegtvedt@samfundet.no\u003e\nAcked-by: Mark Salter \u003cmsalter@redhat.com\u003e [c6x]\nAcked-by: Jesper Nilsson \u003cjesper.nilsson@axis.com\u003e [cris]\nAcked-by: Daniel Vetter \u003cdaniel.vetter@ffwll.ch\u003e [drm]\nReviewed-by: Bart Van Assche \u003cbart.vanassche@sandisk.com\u003e\nAcked-by: Joerg Roedel \u003cjroedel@suse.de\u003e [iommu]\nAcked-by: Fabien Dessenne \u003cfabien.dessenne@st.com\u003e [bdisp]\nReviewed-by: Marek Szyprowski \u003cm.szyprowski@samsung.com\u003e [vb2-core]\nAcked-by: David Vrabel \u003cdavid.vrabel@citrix.com\u003e [xen]\nAcked-by: Konrad Rzeszutek Wilk \u003ckonrad.wilk@oracle.com\u003e [xen swiotlb]\nAcked-by: Joerg Roedel \u003cjroedel@suse.de\u003e [iommu]\nAcked-by: Richard Kuo \u003crkuo@codeaurora.org\u003e [hexagon]\nAcked-by: Geert Uytterhoeven \u003cgeert@linux-m68k.org\u003e [m68k]\nAcked-by: Gerald Schaefer \u003cgerald.schaefer@de.ibm.com\u003e [s390]\nAcked-by: Bjorn Andersson \u003cbjorn.andersson@linaro.org\u003e\nAcked-by: Hans-Christian Noren Egtvedt \u003cegtvedt@samfundet.no\u003e [avr32]\nAcked-by: Vineet Gupta \u003cvgupta@synopsys.com\u003e [arc]\nAcked-by: Robin Murphy \u003crobin.murphy@arm.com\u003e [arm64 and dma-iommu]\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n",
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