diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/mmci.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 7b13d66cbb21..e9ffce8d41ea 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -715,10 +715,20 @@ int mmci_dmae_setup(struct mmci_host *host) host->dma_priv = dmae; - dmae->rx_channel = dma_request_slave_channel(mmc_dev(host->mmc), - "rx"); - dmae->tx_channel = dma_request_slave_channel(mmc_dev(host->mmc), - "tx"); + dmae->rx_channel = dma_request_chan(mmc_dev(host->mmc), "rx"); + if (IS_ERR(dmae->rx_channel)) { + int ret = PTR_ERR(dmae->rx_channel); + dmae->rx_channel = NULL; + return ret; + } + + dmae->tx_channel = dma_request_chan(mmc_dev(host->mmc), "tx"); + if (IS_ERR(dmae->tx_channel)) { + if (PTR_ERR(dmae->tx_channel) == -EPROBE_DEFER) + dev_warn(mmc_dev(host->mmc), + "Deferred probe for TX channel ignored\n"); + dmae->tx_channel = NULL; + } /* * If only an RX channel is specified, the driver will |