diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2014-07-16 02:45:13 +0400 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2014-07-26 13:38:19 +0400 |
| commit | e36152aa84cf68bd7f09acffd480cd2b6aa5480d (patch) | |
| tree | d3b879e43183ffae3370df1619e977b6ac8de4e4 /drivers/mmc/host/sh_mmcif.c | |
| parent | d25006e7e5045e76575e9f58903efc1a860a3ff1 (diff) | |
| download | linux-e36152aa84cf68bd7f09acffd480cd2b6aa5480d.tar.xz | |
mmc: sh_mmcif: Configure DMA slave bus width
The data register is 4 bytes wide, hardcode the DMA transfer size to
4 bytes in both directions.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/sh_mmcif.c')
| -rw-r--r-- | drivers/mmc/host/sh_mmcif.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 863d21ee4a2f..d11708c815d7 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -418,10 +418,13 @@ sh_mmcif_request_dma_one(struct sh_mmcif_host *host, cfg.slave_id = slave_id; cfg.direction = direction; - if (direction == DMA_DEV_TO_MEM) + if (direction == DMA_DEV_TO_MEM) { cfg.src_addr = res->start + MMCIF_CE_DATA; - else + cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + } else { cfg.dst_addr = res->start + MMCIF_CE_DATA; + cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + } ret = dmaengine_slave_config(chan, &cfg); if (ret < 0) { |