From: Huaisheng Ye <yehs2007@zoho.com>
To: hch@lst.de
Cc: konrad.wilk@oracle.com, boris.ostrovsky@oracle.com,
jgross@suse.com, sstabellini@kernel.org,
m.szyprowski@samsung.com, robin.murphy@arm.com,
linux-kernel@vger.kernel.org, chengnt@lenovo.com,
xen-devel@lists.xenproject.org, iommu@lists.linux-foundation.org,
Huaisheng Ye <yehs1@lenovo.com>
Subject: [PATCH] dma-mapping: remove unused attrs parameter to dma_common_get_sgtable
Date: Thu, 3 Jan 2019 16:29:08 +0800 [thread overview]
Message-ID: <20190103082908.9988-1-yehs2007@zoho.com> (raw)
From: Huaisheng Ye <yehs1@lenovo.com>
dma_common_get_sgtable has parameter attrs which is not used at all.
Remove it.
Signed-off-by: Huaisheng Ye <yehs1@lenovo.com>
---
drivers/xen/swiotlb-xen.c | 2 +-
include/linux/dma-mapping.h | 5 ++---
kernel/dma/mapping.c | 3 +--
3 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 2a7f545..2dc17a5 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -697,7 +697,7 @@ static void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
handle, size, attrs);
}
#endif
- return dma_common_get_sgtable(dev, sgt, cpu_addr, handle, size, attrs);
+ return dma_common_get_sgtable(dev, sgt, cpu_addr, handle, size);
}
static int xen_swiotlb_mapping_error(struct device *dev, dma_addr_t dma_addr)
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index d327bdd..bbfad44 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -483,7 +483,7 @@ void *dma_common_pages_remap(struct page **pages, size_t size,
int
dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr,
- dma_addr_t dma_addr, size_t size, unsigned long attrs);
+ dma_addr_t dma_addr, size_t size);
static inline int
dma_get_sgtable_attrs(struct device *dev, struct sg_table *sgt, void *cpu_addr,
@@ -495,8 +495,7 @@ void *dma_common_pages_remap(struct page **pages, size_t size,
if (ops->get_sgtable)
return ops->get_sgtable(dev, sgt, cpu_addr, dma_addr, size,
attrs);
- return dma_common_get_sgtable(dev, sgt, cpu_addr, dma_addr, size,
- attrs);
+ return dma_common_get_sgtable(dev, sgt, cpu_addr, dma_addr, size);
}
#define dma_get_sgtable(d, t, v, h, s) dma_get_sgtable_attrs(d, t, v, h, s, 0)
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c
index 58dec7a..6b33f10 100644
--- a/kernel/dma/mapping.c
+++ b/kernel/dma/mapping.c
@@ -202,8 +202,7 @@ void dmam_release_declared_memory(struct device *dev)
* Create scatter-list for the already allocated DMA buffer.
*/
int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
- void *cpu_addr, dma_addr_t dma_addr, size_t size,
- unsigned long attrs)
+ void *cpu_addr, dma_addr_t dma_addr, size_t size)
{
struct page *page;
int ret;
--
1.8.3.1
next reply other threads:[~2019-01-03 8:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-03 8:29 Huaisheng Ye [this message]
2019-01-03 17:54 ` [PATCH] dma-mapping: remove unused attrs parameter to dma_common_get_sgtable Stefano Stabellini
2019-01-04 1:45 Huaisheng HS1 Ye
2019-01-04 7:26 ` hch
2019-01-04 2:36 Huaisheng Ye
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