openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

dmaengine: nbpfaxi: Declare slave capabilities for the generic code 

Now that the generic slave caps code can make use of the device assigned
capabilities, instead of relying on a callback to be implemented.

Make use of this code.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Maxime Ripard 2014-11-17 14:42:48 +01:00 committed by Vinod Koul
parent 9f59cd0519
commit 03526d3a67
1 changed files with 4 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/dma/nbpfaxi.c
View File

@ -1069,18 +1069,6 @@ static void nbpf_free_chan_resources(struct dma_chan *dchan)
}
}
static int nbpf_slave_caps(struct dma_chan *dchan,
struct dma_slave_caps *caps)
{
caps->src_addr_widths = NBPF_DMA_BUSWIDTHS;
caps->dst_addr_widths = NBPF_DMA_BUSWIDTHS;
caps->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
caps->cmd_pause = false;
caps->cmd_terminate = true;
return 0;
}
static struct dma_chan *nbpf_of_xlate(struct of_phandle_args *dma_spec,
struct of_dma *ofdma)
{
@ -1411,7 +1399,6 @@ static int nbpf_probe(struct platform_device *pdev)
dma_dev->device_prep_dma_memcpy = nbpf_prep_memcpy;
dma_dev->device_tx_status = nbpf_tx_status;
dma_dev->device_issue_pending = nbpf_issue_pending;
dma_dev->device_slave_caps = nbpf_slave_caps;
/*
* If we drop support for unaligned MEMCPY buffer addresses and / or
@ -1427,6 +1414,10 @@ static int nbpf_probe(struct platform_device *pdev)
dma_dev->device_pause = nbpf_pause;
dma_dev->device_terminate_all = nbpf_terminate_all;
dma_dev->src_addr_widths = NBPF_DMA_BUSWIDTHS;
dma_dev->dst_addr_widths = NBPF_DMA_BUSWIDTHS;
dma_dev->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
platform_set_drvdata(pdev, nbpf);
ret = clk_prepare_enable(nbpf->clk);