diff options
| -rw-r--r-- | drivers/mmc/host/jz4740_mmc.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c index 5d3efd59bda1..993386c9ea50 100644 --- a/drivers/mmc/host/jz4740_mmc.c +++ b/drivers/mmc/host/jz4740_mmc.c @@ -213,31 +213,23 @@ static void jz4740_mmc_release_dma_channels(struct jz4740_mmc_host *host) static int jz4740_mmc_acquire_dma_channels(struct jz4740_mmc_host *host) { - dma_cap_mask_t mask; - - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - - host->dma_tx = dma_request_channel(mask, NULL, host); - if (!host->dma_tx) { + host->dma_tx = dma_request_chan(mmc_dev(host->mmc), "tx"); + if (IS_ERR(host->dma_tx)) { dev_err(mmc_dev(host->mmc), "Failed to get dma_tx channel\n"); - return -ENODEV; + return PTR_ERR(host->dma_tx); } - host->dma_rx = dma_request_channel(mask, NULL, host); - if (!host->dma_rx) { + host->dma_rx = dma_request_chan(mmc_dev(host->mmc), "rx"); + if (IS_ERR(host->dma_rx)) { dev_err(mmc_dev(host->mmc), "Failed to get dma_rx channel\n"); - goto free_master_write; + dma_release_channel(host->dma_tx); + return PTR_ERR(host->dma_rx); } /* Initialize DMA pre request cookie */ host->next_data.cookie = 1; return 0; - -free_master_write: - dma_release_channel(host->dma_tx); - return -ENODEV; } static inline struct dma_chan *jz4740_mmc_get_dma_chan(struct jz4740_mmc_host *host, |