diff mbox

[v2,1/4] mmc: atmel-mci: remove useless DMA stuff for non-dt devices

Message ID 1416584018-8561-2-git-send-email-ludovic.desroches@atmel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ludovic Desroches Nov. 21, 2014, 3:33 p.m. UTC
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>
---
 drivers/mmc/host/atmel-mci.c | 8 --------
 1 file changed, 8 deletions(-)
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Patch

diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index ba38f94..b9226b3 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -2267,17 +2267,9 @@  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");