From: Linus Walleij Date: Thu, 10 Feb 2011 15:09:29 +0000 (+0100) Subject: mmc: sh_mmcif: map DMA buffers on the DMA engine device X-Git-Tag: upstream/snapshot3+hdmi~11159^2~31 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1ed828dbb4a90f273b2a3cc70c9c28306427ea7c;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git mmc: sh_mmcif: map DMA buffers on the DMA engine device As established for the MMCI, it is proper to map the DMA buffers on the DMA engine which is the one actually performing the DMA. Signed-off-by: Linus Walleij Signed-off-by: Chris Ball --- diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 12884c2..8e4aba9 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -194,10 +194,12 @@ static void mmcif_dma_complete(void *arg) return; if (host->data->flags & MMC_DATA_READ) - dma_unmap_sg(&host->pd->dev, host->data->sg, host->dma_sglen, + dma_unmap_sg(host->chan_rx->device->dev, + host->data->sg, host->dma_sglen, DMA_FROM_DEVICE); else - dma_unmap_sg(&host->pd->dev, host->data->sg, host->dma_sglen, + dma_unmap_sg(host->chan_tx->device->dev, + host->data->sg, host->dma_sglen, DMA_TO_DEVICE); complete(&host->dma_complete); @@ -211,7 +213,8 @@ static void sh_mmcif_start_dma_rx(struct sh_mmcif_host *host) dma_cookie_t cookie = -EINVAL; int ret; - ret = dma_map_sg(&host->pd->dev, sg, host->data->sg_len, DMA_FROM_DEVICE); + ret = dma_map_sg(chan->device->dev, sg, host->data->sg_len, + DMA_FROM_DEVICE); if (ret > 0) { host->dma_sglen = ret; desc = chan->device->device_prep_slave_sg(chan, sg, ret, @@ -263,7 +266,8 @@ static void sh_mmcif_start_dma_tx(struct sh_mmcif_host *host) dma_cookie_t cookie = -EINVAL; int ret; - ret = dma_map_sg(&host->pd->dev, sg, host->data->sg_len, DMA_TO_DEVICE); + ret = dma_map_sg(chan->device->dev, sg, host->data->sg_len, + DMA_TO_DEVICE); if (ret > 0) { host->dma_sglen = ret; desc = chan->device->device_prep_slave_sg(chan, sg, ret,