mmc: omap_hsmmc: convert to dma_request_slave_channel_compat

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 <mporter@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 29a63d2..dc89aea 100644 (file)
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -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;