[PATCH v4 1/4] mmc: atmel-mci: remove useless DMA stuff for non-dt devices
Ludovic Desroches
ludovic.desroches at atmel.com
Mon Dec 1 06:35:06 PST 2014
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 at atmel.com>
---
drivers/mmc/host/atmel-mci.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index de2287c..f187e75 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -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");
--
2.0.3
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