[PATCH 17/35] dma: mxs-dma: convert tasklets to use new tasklet_setup() API

From: Allen Pais
Date: Mon Aug 17 2020 - 04:20:44 EST


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@xxxxxxxxx>
Signed-off-by: Allen Pais <allen.lkml@xxxxxxxxx>
---
drivers/dma/mxs-dma.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index 3039bba0e4d5..6f296a137543 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -320,9 +320,9 @@ 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);
}
@@ -812,8 +812,7 @@ 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 */
--
2.17.1