mmc: tmio_mmc: use dmaengine helpers, drop submit check
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>
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index 699b6ab..0e4998f 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -836,13 +836,8 @@
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 @@
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 @@
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)