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dmaengine: xilinx: dpdma: convert tasklets to use new tasklet_setup() API

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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 <apais@linux.microsoft.com>
Link: https://lore.kernel.org/r/20201006050458.221329-2-allen.lkml@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Allen Pais 2020-10-06 10:34:58 +05:30 committed by Vinod Koul
parent 1311f7c7d9
commit b1839e7c2a
1 changed files with 4 additions and 5 deletions
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9
drivers/dma/xilinx/xilinx_dpdma.c
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@ -1458,15 +1458,15 @@ static void xilinx_dpdma_disable_irq(struct xilinx_dpdma_device *xdev)
/**
* xilinx_dpdma_chan_err_task - Per channel tasklet for error handling
* @data: tasklet data to be casted to DPDMA channel structure
* @t: pointer to the tasklet associated with this handler
*
* Per channel error handling tasklet. This function waits for the outstanding
* transaction to complete and triggers error handling. After error handling,
* re-enable channel error interrupts, and restart the channel if needed.
*/
static void xilinx_dpdma_chan_err_task(unsigned long data)
static void xilinx_dpdma_chan_err_task(struct tasklet_struct *t)
{
struct xilinx_dpdma_chan *chan = (struct xilinx_dpdma_chan *)data;
struct xilinx_dpdma_chan *chan = from_tasklet(chan, t, err_task);
struct xilinx_dpdma_device *xdev = chan->xdev;
unsigned long flags;
@ -1555,8 +1555,7 @@ static int xilinx_dpdma_chan_init(struct xilinx_dpdma_device *xdev,
spin_lock_init(&chan->lock);
init_waitqueue_head(&chan->wait_to_stop);
tasklet_init(&chan->err_task, xilinx_dpdma_chan_err_task,
(unsigned long)chan);
tasklet_setup(&chan->err_task, xilinx_dpdma_chan_err_task);
chan->vchan.desc_free = xilinx_dpdma_chan_free_tx_desc;
vchan_init(&chan->vchan, &xdev->common);