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mmc: tmio_mmc: use dmaengine helpers, drop submit check

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Use the new dmaengine helper functions, and drop the error check
on the returned cookier from the dmaengine - we recently
established that this is really not allowed to fail.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Linus Walleij 2011-02-10 16:11:07 +01:00 committed by Chris Ball
parent 3383433ce7
commit 449bdc2d9d
1 changed files with 4 additions and 13 deletions
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17
drivers/mmc/host/tmio_mmc.c
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@ -836,13 +836,8 @@ static void tmio_mmc_start_dma_rx(struct tmio_mmc_host *host)
if (desc) {
desc->callback = tmio_dma_complete;
desc->callback_param = host;
cookie = desc->tx_submit(desc);
if (cookie < 0) {
desc = NULL;
ret = cookie;
} else {
chan->device->device_issue_pending(chan);
}
cookie = dmaengine_submit(desc);
dma_async_issue_pending(chan);
}
dev_dbg(&host->pdev->dev, "%s(): mapped %d -> %d, cookie %d, rq %p\n",
__func__, host->sg_len, ret, cookie, host->mrq);
@ -915,11 +910,7 @@ static void tmio_mmc_start_dma_tx(struct tmio_mmc_host *host)
if (desc) {
desc->callback = tmio_dma_complete;
desc->callback_param = host;
cookie = desc->tx_submit(desc);
if (cookie < 0) {
desc = NULL;
ret = cookie;
}
cookie = dmaengine_submit(desc);
}
dev_dbg(&host->pdev->dev, "%s(): mapped %d -> %d, cookie %d, rq %p\n",
__func__, host->sg_len, ret, cookie, host->mrq);
@ -963,7 +954,7 @@ static void tmio_issue_tasklet_fn(unsigned long priv)
struct tmio_mmc_host *host = (struct tmio_mmc_host *)priv;
struct dma_chan *chan = host->chan_tx;
chan->device->device_issue_pending(chan);
dma_async_issue_pending(chan);
}
static void tmio_tasklet_fn(unsigned long arg)