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mmc: atmel-mci: restore dma on AVR32

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Commit ecb89f2f5f ("mmc: atmel-mci: remove compat for non DT board
when requesting dma chan") broke dma on AVR32 and any other boards not
using DT.  This restores a fallback mechanism for such cases.

Signed-off-by: Mans Rullgard <mans@mansr.com>
Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Mans Rullgard 2016-01-09 12:45:10 +00:00 • committed by Hans-Christian Egtvedt
parent a193f07d1e
commit 7484378715
3 changed files with 35 additions and 0 deletions
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2
include/linux/atmel-mci.h
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@ -2,6 +2,7 @@
#define __LINUX_ATMEL_MCI_H
#include <linux/types.h>
#include <linux/dmaengine.h>
#define ATMCI_MAX_NR_SLOTS 2
@ -37,6 +38,7 @@ struct mci_slot_pdata {
*/
struct mci_platform_data {
struct mci_dma_data *dma_slave;
dma_filter_fn dma_filter;
struct mci_slot_pdata slot[ATMCI_MAX_NR_SLOTS];
};