[PATCH v3 53/59] dmaengine: nbpfaxi: Declare slave capabilities for the generic code

Maxime Ripard
2014-10-22T15:54:15Z

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>
---
drivers/dma/nbpfaxi.c | 18 +++++-------------
1 file changed, 5 insertions(+), 13 deletions(-)

diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
index a07698fc798f..a3e138a0de10 100644
--- a/drivers/dma/nbpfaxi.c
+++ b/drivers/dma/nbpfaxi.c
@@ -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 +1414,11 @@ 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);
+ dma_dev->generic_slave_caps = true;
+
platform_set_drvdata(pdev, nbpf);

ret = clk_prepare_enable(nbpf->clk);
--
2.1.1