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[PATCH v6.2] infiniband: dma-mapping: Use unsigned long for dma_attrs

From Krzysztof Kozlowski <k.kozlowski@samsung.com>
Newsgroups linux.kernel
Subject [PATCH v6.2] infiniband: dma-mapping: Use unsigned long for dma_attrs
Date 2016-07-13 14:00 +0200
Message-ID <rUqZz-2Ax-5@gated-at.bofh.it> (permalink)
References <rUo1I-za-27@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Split out subsystem specific changes for easier reviews. This will be
squashed with main commit.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Bart Van Assche <bart.vanassche@sandisk.com>

---

This is an update only to this patch from the set.

Changes since v6.1:
1. Rename attrs->dma_attrs everywhere.

Changes since v6:
1. Rename attrs->dma_attrs arguments in map/unmap functions (suggested
   by Bart Van Assche).
---
 drivers/infiniband/core/umem.c |  7 +++----
 include/rdma/ib_verbs.h        | 17 +++++++++--------
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index fe4d2e1a8b58..c68746ce6624 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -37,7 +37,6 @@
 #include <linux/sched.h>
 #include <linux/export.h>
 #include <linux/hugetlb.h>
-#include <linux/dma-attrs.h>
 #include <linux/slab.h>
 #include <rdma/ib_umem_odp.h>
 
@@ -92,12 +91,12 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
 	unsigned long npages;
 	int ret;
 	int i;
-	DEFINE_DMA_ATTRS(attrs);
+	unsigned long dma_attrs = 0;
 	struct scatterlist *sg, *sg_list_start;
 	int need_release = 0;
 
 	if (dmasync)
-		dma_set_attr(DMA_ATTR_WRITE_BARRIER, &attrs);
+		dma_attrs |= DMA_ATTR_WRITE_BARRIER;
 
 	if (!size)
 		return ERR_PTR(-EINVAL);
@@ -215,7 +214,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
 				  umem->sg_head.sgl,
 				  umem->npages,
 				  DMA_BIDIRECTIONAL,
-				  &attrs);
+				  dma_attrs);
 
 	if (umem->nmap <= 0) {
 		ret = -ENOMEM;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 156673a80704..94a0bc5b5bdd 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2910,19 +2910,19 @@ static inline void ib_dma_unmap_single(struct ib_device *dev,
 static inline u64 ib_dma_map_single_attrs(struct ib_device *dev,
 					  void *cpu_addr, size_t size,
 					  enum dma_data_direction direction,
-					  struct dma_attrs *attrs)
+					  unsigned long dma_attrs)
 {
 	return dma_map_single_attrs(dev->dma_device, cpu_addr, size,
-				    direction, attrs);
+				    direction, dma_attrs);
 }
 
 static inline void ib_dma_unmap_single_attrs(struct ib_device *dev,
 					     u64 addr, size_t size,
 					     enum dma_data_direction direction,
-					     struct dma_attrs *attrs)
+					     unsigned long dma_attrs)
 {
 	return dma_unmap_single_attrs(dev->dma_device, addr, size,
-				      direction, attrs);
+				      direction, dma_attrs);
 }
 
 /**
@@ -2997,17 +2997,18 @@ static inline void ib_dma_unmap_sg(struct ib_device *dev,
 static inline int ib_dma_map_sg_attrs(struct ib_device *dev,
 				      struct scatterlist *sg, int nents,
 				      enum dma_data_direction direction,
-				      struct dma_attrs *attrs)
+				      unsigned long dma_attrs)
 {
-	return dma_map_sg_attrs(dev->dma_device, sg, nents, direction, attrs);
+	return dma_map_sg_attrs(dev->dma_device, sg, nents, direction,
+				dma_attrs);
 }
 
 static inline void ib_dma_unmap_sg_attrs(struct ib_device *dev,
 					 struct scatterlist *sg, int nents,
 					 enum dma_data_direction direction,
-					 struct dma_attrs *attrs)
+					 unsigned long dma_attrs)
 {
-	dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction, attrs);
+	dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction, dma_attrs);
 }
 /**
  * ib_sg_dma_address - Return the DMA address from a scatter/gather entry
-- 
1.9.1

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Thread

[PATCH v6 12/46] drm/exynos: dma-mapping: Use unsigned long for  dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
  [PATCH v6 17/46] infiniband: dma-mapping: Use unsigned long for  dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
    [PATCH v6 31/46] microblaze: dma-mapping: Use unsigned long for  dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
      [PATCH v6 32/46] mips: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
        [PATCH v6 44/46] remoteproc: qcom: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
          [PATCH v6 46/46] dma-mapping: Document the DMA attributes next to the  declaration Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
          [PATCH v6 45/46] dma-mapping: Remove dma_get_attr Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
          Re: [PATCH v6 44/46] remoteproc: qcom: Use unsigned long for  dma_attrs Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-07-13 19:00 +0200
        [PATCH v6 42/46] unicore32: dma-mapping: Use unsigned long for  dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
          [PATCH v6 43/46] xtensa: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
        [PATCH v6 33/46] mn10300: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
          [PATCH v6 35/46] openrisc: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
            [PATCH v6 38/46] s390: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
              [PATCH v6 41/46] tile: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
              [PATCH v6 39/46] sh: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
                [PATCH v6 40/46] sparc: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
            [PATCH v6 37/46] misc: mic: dma-mapping: Use unsigned long for  dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
            [PATCH v6 36/46] parisc: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
          [PATCH v6 34/46] nios2: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
    [PATCH v6 28/46] ia64: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
      [PATCH v6 29/46] m68k: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
        [PATCH v6 30/46] metag: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
    [PATCH v6 26/46] h8300: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
      [PATCH v6 27/46] hexagon: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
    [PATCH v6 22/46] powerpc: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
      [PATCH v6 25/46] iommu: intel: dma-mapping: Use unsigned long for  dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
      [PATCH v6 23/46] video: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 11:00 +0200
        [PATCH v6 24/46] x86: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 11:00 +0200
    [PATCH v6 18/46] iommu: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
      [PATCH v6 19/46] [media] dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 11:00 +0200
        [PATCH v6 20/46] xen: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 11:00 +0200
          [PATCH v6 21/46] swiotlb: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 11:00 +0200
    Re: [PATCH v6 17/46] infiniband: dma-mapping: Use unsigned long for  dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 12:50 +0200
      Re: [PATCH v6 17/46] infiniband: dma-mapping: Use unsigned long for  dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 13:10 +0200
    [PATCH v6.1] infiniband: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 13:20 +0200
      Re: [PATCH v6.1] infiniband: dma-mapping: Use unsigned long for  dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 13:20 +0200
    [PATCH v6.2] infiniband: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 14:00 +0200
  [PATCH v6 14/46] drm/msm: dma-mapping: Use unsigned long for dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200
    [PATCH v6 16/46] drm/rockship: dma-mapping: Use unsigned long for  dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 11:00 +0200
    [PATCH v6 15/46] drm/nouveau: dma-mapping: Use unsigned long for  dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 11:00 +0200
  [PATCH v6 13/46] drm/mediatek: dma-mapping: Use unsigned long for  dma_attrs Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-07-13 10:50 +0200

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