A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-14 16:46:15 -04:00
Code Issues Projects Releases Packages Wiki Activity

qcacmn: Assign DMA address correctly to all scatterlist elements

Browse source 
Assign DMA address correctly to all scatterlist elements of scatter
gather table in qdf_mem_shared_mem_alloc() func.

Change-Id: I07988d0bc35e3e0fcf7b9f6df02a9e56a0e8b083
CRS-Fixed: 2110715
This commit is contained in:
Sravan Kumar Kairam 2018-07-12 18:52:16 +05:30 • committed by nshrivas
commit d0f08ef155
2 changed files with 30 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

17
qdf/inc/qdf_mem.h
View file

@ -458,7 +458,7 @@ static inline qdf_dma_addr_t qdf_mem_paddr_from_dmaaddr(qdf_device_t osdev,
}
/**
* qdf_os_mem_dma_get_sgtable() - Returns DMA memory scatter gather table
* qdf_mem_dma_get_sgtable() - Returns DMA memory scatter gather table
* @dev: device instace
* @sgt: scatter gather table pointer
* @cpu_addr: HLOS virtual address
@ -474,6 +474,18 @@ qdf_mem_dma_get_sgtable(struct device *dev, void *sgt, void *cpu_addr,
return __qdf_os_mem_dma_get_sgtable(dev, sgt, cpu_addr, dma_addr, size);
}
/**
* qdf_dma_get_sgtable_dma_addr() - Assigns DMA address to scatterlist elements
* @sgt: scatter gather table pointer
*
* @Return: None
*/
static inline void
qdf_dma_get_sgtable_dma_addr(struct sg_table *sgt)
{
__qdf_dma_get_sgtable_dma_addr(sgt);
}
/**
* qdf_mem_get_dma_addr() - Return dma address based on SMMU translation status.
* @osdev: Parent device instance
@ -616,8 +628,7 @@ static inline qdf_shared_mem_t *qdf_mem_shared_mem_alloc(qdf_device_t osdev,
qdf_mem_get_dma_size(osdev,
&shared_mem->mem_info));
shared_mem->sgtable.sgl->dma_address =
qdf_mem_get_dma_pa(osdev, &shared_mem->mem_info);
qdf_dma_get_sgtable_dma_addr(&shared_mem->sgtable);
return shared_mem;
}

16
qdf/linux/src/i_qdf_mem.h
View file

@ -266,6 +266,22 @@ __qdf_os_mem_dma_get_sgtable(struct device *dev, void *sgt, void *cpu_addr,
size);
}
/**
* __qdf_dma_get_sgtable_dma_addr()-Assigns DMA address to scatterlist elements
* @sgt: scatter gather table pointer
*
* @Return: None
*/
static inline void
__qdf_dma_get_sgtable_dma_addr(struct sg_table *sgt)
{
struct scatterlist *sg;
int i;
for_each_sg(sgt->sgl, sg, sgt->nents, i)
sg->dma_address = sg_phys(sg);
}
/**
* __qdf_mem_get_dma_addr() - Return dma addr based on SMMU translation status
* @osdev: parent device instance