diff options
Diffstat (limited to 'drivers/mmc/host/mxcmmc.c')
-rw-r--r-- | drivers/mmc/host/mxcmmc.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index 8e0fbe994047..b2058b432320 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c @@ -33,6 +33,7 @@ #include <linux/gpio.h> #include <linux/regulator/consumer.h> #include <linux/dmaengine.h> +#include <linux/types.h> #include <asm/dma.h> #include <asm/irq.h> @@ -218,6 +219,7 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data) unsigned int blksz = data->blksz; unsigned int datasize = nob * blksz; struct scatterlist *sg; + enum dma_transfer_direction slave_dirn; int i, nents; if (data->flags & MMC_DATA_STREAM) @@ -240,18 +242,21 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data) } } - if (data->flags & MMC_DATA_READ) + if (data->flags & MMC_DATA_READ) { host->dma_dir = DMA_FROM_DEVICE; - else + slave_dirn = DMA_DEV_TO_MEM; + } else { host->dma_dir = DMA_TO_DEVICE; + slave_dirn = DMA_MEM_TO_DEV; + } nents = dma_map_sg(host->dma->device->dev, data->sg, data->sg_len, host->dma_dir); if (nents != data->sg_len) return -EINVAL; - host->desc = host->dma->device->device_prep_slave_sg(host->dma, - data->sg, data->sg_len, host->dma_dir, + host->desc = dmaengine_prep_slave_sg(host->dma, + data->sg, data->sg_len, slave_dirn, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (!host->desc) { @@ -263,6 +268,7 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data) wmb(); dmaengine_submit(host->desc); + dma_async_issue_pending(host->dma); return 0; } @@ -706,6 +712,7 @@ static int mxcmci_setup_dma(struct mmc_host *mmc) config->src_addr_width = 4; config->dst_maxburst = host->burstlen; config->src_maxburst = host->burstlen; + config->device_fc = false; return dmaengine_slave_config(host->dma, config); } @@ -1047,18 +1054,7 @@ static struct platform_driver mxcmci_driver = { } }; -static int __init mxcmci_init(void) -{ - return platform_driver_register(&mxcmci_driver); -} - -static void __exit mxcmci_exit(void) -{ - platform_driver_unregister(&mxcmci_driver); -} - -module_init(mxcmci_init); -module_exit(mxcmci_exit); +module_platform_driver(mxcmci_driver); MODULE_DESCRIPTION("i.MX Multimedia Card Interface Driver"); MODULE_AUTHOR("Sascha Hauer, Pengutronix"); |