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| author |   Russell King <rmk+kernel@armlinux.org.uk> | 2017-09-26 15:10:02 +0100 |
|---|---|---|
| committer |   Vinod Koul <vinod.koul@intel.com> | 2017-09-27 16:11:51 +0530 |
| commit | 73d2a3cef4bb6d93cb83faedf71d31ca3af0078c (patch) | |
| tree | 499229194b499782270c598c2a85b699decc9e82 | |
| parent | Linux 4.14-rc1 (diff) | |
| download | linux-dev-73d2a3cef4bb6d93cb83faedf71d31ca3af0078c.tar.xz linux-dev-73d2a3cef4bb6d93cb83faedf71d31ca3af0078c.zip | |
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>
| -rw-r--r-- | drivers/dma/sa11x0-dma.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c index 1adeb3265085..c7a89c22890e 100644 --- a/drivers/dma/sa11x0-dma.c +++ b/drivers/dma/sa11x0-dma.c @@ -823,6 +823,13 @@ static const struct sa11x0_dma_channel_desc chan_desc[] = { CD(Ser4SSPRc, DDAR_RW), }; +static const struct dma_slave_map sa11x0_dma_map[] = { + { "sa11x0-ir", "tx", "Ser2ICPTr" }, + { "sa11x0-ir", "rx", "Ser2ICPRc" }, + { "sa11x0-ssp", "tx", "Ser4SSPTr" }, + { "sa11x0-ssp", "rx", "Ser4SSPRc" }, +}; + static int sa11x0_dma_init_dmadev(struct dma_device *dmadev, struct device *dev) { @@ -909,6 +916,10 @@ static int sa11x0_dma_probe(struct platform_device *pdev) spin_lock_init(&d->lock); INIT_LIST_HEAD(&d->chan_pending); + d->slave.filter.fn = sa11x0_dma_filter_fn; + d->slave.filter.mapcnt = ARRAY_SIZE(sa11x0_dma_map); + d->slave.filter.map = sa11x0_dma_map; + d->base = ioremap(res->start, resource_size(res)); if (!d->base) { ret = -ENOMEM; |