diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2012-06-21 13:44:42 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2012-06-21 13:44:42 +0900 |
| commit | 7b98cf0cf4e8798b9e7435f966ed0d90a2a925de (patch) | |
| tree | a5d2a80f121a5c854773ddc85b1d9cbd6b840861 /drivers/mmc/host/atmel-mci.c | |
| parent | e1eaf354528ceb002c8e2840a55c44cd76aaaed8 (diff) | |
| parent | 06d5631f56460917af3d9417ef63811cf0cad9ce (diff) | |
Merge branch 'common/pfc' into sh-latest
Diffstat (limited to 'drivers/mmc/host/atmel-mci.c')
| -rw-r--r-- | drivers/mmc/host/atmel-mci.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index 420aca642b1..f2c115e0643 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -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); |