dmaengine: sa11x0: add DMA filters
Add DMA filters for the sa11x0 DMA channels. This will allow us to migrate away from directly using the DMA filter function in drivers. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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@ -823,6 +823,13 @@ static const struct sa11x0_dma_channel_desc chan_desc[] = {
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CD(Ser4SSPRc, DDAR_RW),
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};
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static const struct dma_slave_map sa11x0_dma_map[] = {
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{ "sa11x0-ir", "tx", "Ser2ICPTr" },
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{ "sa11x0-ir", "rx", "Ser2ICPRc" },
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{ "sa11x0-ssp", "tx", "Ser4SSPTr" },
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{ "sa11x0-ssp", "rx", "Ser4SSPRc" },
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};
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static int sa11x0_dma_init_dmadev(struct dma_device *dmadev,
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struct device *dev)
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{
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@ -909,6 +916,10 @@ static int sa11x0_dma_probe(struct platform_device *pdev)
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spin_lock_init(&d->lock);
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INIT_LIST_HEAD(&d->chan_pending);
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d->slave.filter.fn = sa11x0_dma_filter_fn;
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d->slave.filter.mapcnt = ARRAY_SIZE(sa11x0_dma_map);
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d->slave.filter.map = sa11x0_dma_map;
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d->base = ioremap(res->start, resource_size(res));
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if (!d->base) {
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ret = -ENOMEM;
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