lkml.org 
[lkml]   [2019]   [Jan]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] dma-mapping: remove unused attrs parameter to dma_common_get_sgtable
Date
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>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
---
drivers/xen/swiotlb-xen.c | 2 +-
include/linux/dma-mapping.h | 2 +-
kernel/dma/mapping.c | 6 ++----
3 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 989cf87..b8cb1da 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -677,7 +677,7 @@ 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);
}

const struct dma_map_ops xen_swiotlb_dma_ops = {
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index ba521d5..f9e7c2a 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -523,7 +523,7 @@ int dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma,

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);

int dma_get_sgtable_attrs(struct device *dev, struct sg_table *sgt,
void *cpu_addr, dma_addr_t dma_addr, size_t size,
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c
index d7c34d2..0c28b71 100644
--- a/kernel/dma/mapping.c
+++ b/kernel/dma/mapping.c
@@ -203,8 +203,7 @@ 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;
@@ -234,8 +233,7 @@ int dma_get_sgtable_attrs(struct device *dev, struct sg_table *sgt,
if (!dma_is_direct(ops) && 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);
}
EXPORT_SYMBOL(dma_get_sgtable_attrs);

--
1.8.3.1

\
 
 \ /
  Last update: 2019-01-04 03:37    [W:0.051 / U:5.512 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site