dmaengine: core: expose max burst capability to clients
This patch add max_burst to dma_get_slave_caps for clients to get the burst capability of slave dma controller. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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271e1b86e6
Коммит
6d5bbed30f
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@ -496,6 +496,7 @@ int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps)
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caps->src_addr_widths = device->src_addr_widths;
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caps->dst_addr_widths = device->dst_addr_widths;
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caps->directions = device->directions;
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caps->max_burst = device->max_burst;
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caps->residue_granularity = device->residue_granularity;
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caps->descriptor_reuse = device->descriptor_reuse;
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@ -401,6 +401,7 @@ enum dma_residue_granularity {
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* since the enum dma_transfer_direction is not defined as bits for each
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* type of direction, the dma controller should fill (1 << <TYPE>) and same
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* should be checked by controller as well
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* @max_burst: max burst capability per-transfer
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* @cmd_pause: true, if pause and thereby resume is supported
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* @cmd_terminate: true, if terminate cmd is supported
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* @residue_granularity: granularity of the reported transfer residue
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@ -411,6 +412,7 @@ struct dma_slave_caps {
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u32 src_addr_widths;
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u32 dst_addr_widths;
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u32 directions;
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u32 max_burst;
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bool cmd_pause;
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bool cmd_terminate;
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enum dma_residue_granularity residue_granularity;
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@ -654,6 +656,7 @@ struct dma_filter {
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* the enum dma_transfer_direction is not defined as bits for
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* each type of direction, the dma controller should fill (1 <<
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* <TYPE>) and same should be checked by controller as well
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* @max_burst: max burst capability per-transfer
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* @residue_granularity: granularity of the transfer residue reported
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* by tx_status
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* @device_alloc_chan_resources: allocate resources and return the
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@ -712,6 +715,7 @@ struct dma_device {
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u32 src_addr_widths;
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u32 dst_addr_widths;
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u32 directions;
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u32 max_burst;
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bool descriptor_reuse;
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enum dma_residue_granularity residue_granularity;
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