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mmc: atmel-mci: remove useless DMA stuff for non-dt devices 

All devices with a DMA controller are DT compliant and legacy support
has been removed. For those reasons, some DMA stuff is useless.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
ludovic.desroches@atmel.com 2014-12-01 15:35:06 +01:00 committed by Ulf Hansson
parent 903101a839
commit 1c7615b90c
1 changed files with 0 additions and 8 deletions
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8
drivers/mmc/host/atmel-mci.c
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@ -2274,17 +2274,9 @@ static void atmci_cleanup_slot(struct atmel_mci_slot *slot,
static bool atmci_configure_dma(struct atmel_mci *host)
{
struct mci_platform_data *pdata;
dma_cap_mask_t mask;
if (host == NULL)
return false;
pdata = host->pdev->dev.platform_data;
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
host->dma.chan = dma_request_slave_channel(&host->pdev->dev, "rxtx");
if (!host->dma.chan) {
dev_warn(&host->pdev->dev, "no DMA channel available\n");