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mmc: omap_hsmmc: convert to dma_request_slave_channel_compat

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Convert dmaengine channel requests to use
dma_request_slave_channel_compat(). This supports platforms booting
with or without DT populated.

Signed-off-by: Matt Porter <[email protected]>
Acked-by: Tony Lindgren <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Signed-off-by: Balaji T K <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
This commit is contained in:
Matt Porter 2013-05-10 17:42:34 +05:30 • committed by Chris Ball
commit d272fbf0ca
1 changed files with 8 additions and 2 deletions
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10
drivers/mmc/host/omap_hsmmc.c
View file

@ -1930,14 +1930,20 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
host->rx_chan = dma_request_channel(mask, omap_dma_filter_fn, &rx_req);
host->rx_chan =
dma_request_slave_channel_compat(mask, omap_dma_filter_fn,
&rx_req, &pdev->dev, "rx");
if (!host->rx_chan) {
dev_err(mmc_dev(host->mmc), "unable to obtain RX DMA engine channel %u\n", rx_req);
ret = -ENXIO;
goto err_irq;
}
host->tx_chan = dma_request_channel(mask, omap_dma_filter_fn, &tx_req);
host->tx_chan =
dma_request_slave_channel_compat(mask, omap_dma_filter_fn,
&tx_req, &pdev->dev, "tx");
if (!host->tx_chan) {
dev_err(mmc_dev(host->mmc), "unable to obtain TX DMA engine channel %u\n", tx_req);
ret = -ENXIO;