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dmaengine: plx_dma: 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: Allen Pais <allen.lkml@gmail.com>
Link: https://lore.kernel.org/r/20200831103542.305571-34-allen.lkml@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Allen Pais 2020-08-31 16:05:40 +05:30 committed by Vinod Koul
parent f19a11d40a
commit 6c1fd9ad2c
1 changed files with 3 additions and 4 deletions
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7
drivers/dma/plx_dma.c
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@ -241,9 +241,9 @@ static void plx_dma_stop(struct plx_dma_dev *plxdev)
rcu_read_unlock(); rcu_read_unlock();
} }
static void plx_dma_desc_task(unsigned long data) static void plx_dma_desc_task(struct tasklet_struct *t)
{ {
struct plx_dma_dev *plxdev = (void *)data; struct plx_dma_dev *plxdev = from_tasklet(plxdev, t, desc_task);
plx_dma_process_desc(plxdev); plx_dma_process_desc(plxdev);
} }
@ -513,8 +513,7 @@ static int plx_dma_create(struct pci_dev *pdev)
} }
spin_lock_init(&plxdev->ring_lock); spin_lock_init(&plxdev->ring_lock);
tasklet_init(&plxdev->desc_task, plx_dma_desc_task, tasklet_setup(&plxdev->desc_task, plx_dma_desc_task);
(unsigned long)plxdev);
RCU_INIT_POINTER(plxdev->pdev, pdev); RCU_INIT_POINTER(plxdev->pdev, pdev);
plxdev->bar = pcim_iomap_table(pdev)[0]; plxdev->bar = pcim_iomap_table(pdev)[0];