dmaengine: mxs-dma: convert tasklets to use new tasklet_setup() API

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Link: https://lore.kernel.org/r/20200831103542.305571-18-allen.lkml@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index eb60eb7..65f816b 100644 (file)
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -319,9 +319,9 @@ static dma_cookie_t mxs_dma_tx_submit(struct dma_async_tx_descriptor *tx)
        return dma_cookie_assign(tx);
 }
 
-static void mxs_dma_tasklet(unsigned long data)
+static void mxs_dma_tasklet(struct tasklet_struct *t)
 {
-       struct mxs_dma_chan *mxs_chan = (struct mxs_dma_chan *) data;
+       struct mxs_dma_chan *mxs_chan = from_tasklet(mxs_chan, t, tasklet);
 
        dmaengine_desc_get_callback_invoke(&mxs_chan->desc, NULL);
 }
@@ -811,8 +811,7 @@ static int __init mxs_dma_probe(struct platform_device *pdev)
                mxs_chan->chan.device = &mxs_dma->dma_device;
                dma_cookie_init(&mxs_chan->chan);
 
-               tasklet_init(&mxs_chan->tasklet, mxs_dma_tasklet,
-                            (unsigned long) mxs_chan);
+               tasklet_setup(&mxs_chan->tasklet, mxs_dma_tasklet);
 
 
                /* Add the channel to mxs_chan list */