dmaengine: ppc4xx: convert tasklets to use new tasklet_setup() API (7f828176) · 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/20200831103542.305571-22-allen.lkml@gmail.com Signed-off-by:

Vinod Koul <vkoul@kernel.org>

drivers/dma/ppc4xx/adma.c

+3 −4

Original line number	Diff line number	Diff line
		@@ -1660,9 +1660,9 @@ static void __ppc440spe_adma_slot_cleanup(struct ppc440spe_adma_chan *chan)
		/**
		* ppc440spe_adma_tasklet - clean up watch-dog initiator
		*/
		static void ppc440spe_adma_tasklet(unsigned long data)
		static void ppc440spe_adma_tasklet(struct tasklet_struct *t)
		{
		struct ppc440spe_adma_chan chan = (struct ppc440spe_adma_chan ) data;
		struct ppc440spe_adma_chan *chan = from_tasklet(chan, t, irq_tasklet);

		spin_lock_nested(&chan->lock, SINGLE_DEPTH_NESTING);
		__ppc440spe_adma_slot_cleanup(chan);
		@@ -4141,8 +4141,7 @@ static int ppc440spe_adma_probe(struct platform_device *ofdev)
		chan->common.device = &adev->common;
		dma_cookie_init(&chan->common);
		list_add_tail(&chan->common.device_node, &adev->common.channels);
		tasklet_init(&chan->irq_tasklet, ppc440spe_adma_tasklet,
		(unsigned long)chan);
		tasklet_setup(&chan->irq_tasklet, ppc440spe_adma_tasklet);

		/* allocate and map helper pages for async validation or
		* async_mult/async_sum_product operations on DMA0/1.

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