dmaengine: at_hdmac: convert tasklets to use new tasklet_setup() API (f6a0eb52) · 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:

Romain Perier <romain.perier@gmail.com> Signed-off-by:

Allen Pais <allen.lkml@gmail.com> Link: https://lore.kernel.org/r/20200831103542.305571-3-allen.lkml@gmail.com Signed-off-by:

Vinod Koul <vkoul@kernel.org>

drivers/dma/at_hdmac.c

+3 −4

Original line number	Diff line number	Diff line
		@@ -598,9 +598,9 @@ static void atc_handle_cyclic(struct at_dma_chan *atchan)

		/-- IRQ & Tasklet ---------------------------------------------------/

		static void atc_tasklet(unsigned long data)
		static void atc_tasklet(struct tasklet_struct *t)
		{
		struct at_dma_chan atchan = (struct at_dma_chan )data;
		struct at_dma_chan *atchan = from_tasklet(atchan, t, tasklet);

		if (test_and_clear_bit(ATC_IS_ERROR, &atchan->status))
		return atc_handle_error(atchan);
		@@ -1892,8 +1892,7 @@ static int __init at_dma_probe(struct platform_device *pdev)
		INIT_LIST_HEAD(&atchan->queue);
		INIT_LIST_HEAD(&atchan->free_list);

		tasklet_init(&atchan->tasklet, atc_tasklet,
		(unsigned long)atchan);
		tasklet_setup(&atchan->tasklet, atc_tasklet);
		atc_enable_chan_irq(atdma, i);
		}

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