dmaengine: plx_dma: convert tasklets to use new tasklet_setup() API (6c1fd9ad) · Commits · 戴 / test

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>

drivers/dma/plx_dma.c

+3 −4

Original line number	Diff line number	Diff line
		@@ -241,9 +241,9 @@ static void plx_dma_stop(struct plx_dma_dev *plxdev)
		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);
		}
		@@ -513,8 +513,7 @@ static int plx_dma_create(struct pci_dev *pdev)
		}

		spin_lock_init(&plxdev->ring_lock);
		tasklet_init(&plxdev->desc_task, plx_dma_desc_task,
		(unsigned long)plxdev);
		tasklet_setup(&plxdev->desc_task, plx_dma_desc_task);

		RCU_INIT_POINTER(plxdev->pdev, pdev);
		plxdev->bar = pcim_iomap_table(pdev)[0];

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