]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - drivers/mmc/host/atmel-mci.c
Merge branch 'common/pfc' into sh-latest
[karo-tx-linux.git] / drivers / mmc / host / atmel-mci.c
index 420aca642b14ba42a6fa7fe014cc865e49445b73..f2c115e064387715a3c2f2cf796c5ae8b70bddd0 100644 (file)
@@ -910,6 +910,7 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
        enum dma_data_direction         direction;
        enum dma_transfer_direction     slave_dirn;
        unsigned int                    sglen;
+       u32                             maxburst;
        u32 iflags;
 
        data->error = -EINPROGRESS;
@@ -943,17 +944,18 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
        if (!chan)
                return -ENODEV;
 
-       if (host->caps.has_dma)
-               atmci_writel(host, ATMCI_DMA, ATMCI_DMA_CHKSIZE(3) | ATMCI_DMAEN);
-
        if (data->flags & MMC_DATA_READ) {
                direction = DMA_FROM_DEVICE;
                host->dma_conf.direction = slave_dirn = DMA_DEV_TO_MEM;
+               maxburst = atmci_convert_chksize(host->dma_conf.src_maxburst);
        } else {
                direction = DMA_TO_DEVICE;
                host->dma_conf.direction = slave_dirn = DMA_MEM_TO_DEV;
+               maxburst = atmci_convert_chksize(host->dma_conf.dst_maxburst);
        }
 
+       atmci_writel(host, ATMCI_DMA, ATMCI_DMA_CHKSIZE(maxburst) | ATMCI_DMAEN);
+
        sglen = dma_map_sg(chan->device->dev, data->sg,
                        data->sg_len, direction);
 
@@ -2314,6 +2316,8 @@ static int __init atmci_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, host);
 
+       setup_timer(&host->timer, atmci_timeout_timer, (unsigned long)host);
+
        /* We need at least one slot to succeed */
        nr_slots = 0;
        ret = -ENODEV;
@@ -2352,8 +2356,6 @@ static int __init atmci_probe(struct platform_device *pdev)
                }
        }
 
-       setup_timer(&host->timer, atmci_timeout_timer, (unsigned long)host);
-
        dev_info(&pdev->dev,
                        "Atmel MCI controller at 0x%08lx irq %d, %u slots\n",
                        host->mapbase, irq, nr_slots);