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Date: Mon, 17 Aug 2020 13:47:13 +0530 From: Allen Pais <allen.lkml@...il.com> To: shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com, linux-imx@....com, ast@...nel.org, daniel@...earbox.net, kafai@...com, songliubraving@...com, yhs@...com, andriin@...com, john.fastabend@...il.com, kpsingh@...omium.org, baohua@...nel.org, mripard@...nel.org, wens@...e.org, thierry.reding@...il.com, jonathanh@...dia.com, michal.simek@...inx.com, matthias.bgg@...il.com Cc: keescook@...omium.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org, bpf@...r.kernel.org, linux-tegra@...r.kernel.org, linux-mediatek@...ts.infradead.org, Allen Pais <allen.lkml@...il.com>, Romain Perier <romain.perier@...il.com> Subject: [PATCH 22/35] dma: qcom: convert tasklets to use new tasklet_setup() API 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@...il.com> Signed-off-by: Allen Pais <allen.lkml@...il.com> --- drivers/dma/qcom/bam_dma.c | 6 +++--- drivers/dma/qcom/hidma.c | 6 +++--- drivers/dma/qcom/hidma_ll.c | 6 +++--- 3 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c index 5a08dd0d3388..8ba7a8f089c8 100644 --- a/drivers/dma/qcom/bam_dma.c +++ b/drivers/dma/qcom/bam_dma.c @@ -1075,9 +1075,9 @@ static void bam_start_dma(struct bam_chan *bchan) * * Sets up next DMA operation and then processes all completed transactions */ -static void dma_tasklet(unsigned long data) +static void dma_tasklet(struct tasklet_struct *t) { - struct bam_device *bdev = (struct bam_device *)data; + struct bam_device *bdev = from_tasklet(bdev, t, task); struct bam_chan *bchan; unsigned long flags; unsigned int i; @@ -1293,7 +1293,7 @@ static int bam_dma_probe(struct platform_device *pdev) if (ret) goto err_disable_clk; - tasklet_init(&bdev->task, dma_tasklet, (unsigned long)bdev); + tasklet_setup(&bdev->task, dma_tasklet); bdev->channels = devm_kcalloc(bdev->dev, bdev->num_channels, sizeof(*bdev->channels), GFP_KERNEL); diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c index 0a6d3ea08c78..6c0f9eb8ecc6 100644 --- a/drivers/dma/qcom/hidma.c +++ b/drivers/dma/qcom/hidma.c @@ -224,9 +224,9 @@ static int hidma_chan_init(struct hidma_dev *dmadev, u32 dma_sig) return 0; } -static void hidma_issue_task(unsigned long arg) +static void hidma_issue_task(struct tasklet_struct *t) { - struct hidma_dev *dmadev = (struct hidma_dev *)arg; + struct hidma_dev *dmadev = from_tasklet(dmadev, t, task); pm_runtime_get_sync(dmadev->ddev.dev); hidma_ll_start(dmadev->lldev); @@ -885,7 +885,7 @@ static int hidma_probe(struct platform_device *pdev) goto uninit; dmadev->irq = chirq; - tasklet_init(&dmadev->task, hidma_issue_task, (unsigned long)dmadev); + tasklet_setup(&dmadev->task, hidma_issue_task); hidma_debug_init(dmadev); hidma_sysfs_init(dmadev); dev_info(&pdev->dev, "HI-DMA engine driver registration complete\n"); diff --git a/drivers/dma/qcom/hidma_ll.c b/drivers/dma/qcom/hidma_ll.c index bb4471e84e48..53244e0e34a3 100644 --- a/drivers/dma/qcom/hidma_ll.c +++ b/drivers/dma/qcom/hidma_ll.c @@ -173,9 +173,9 @@ int hidma_ll_request(struct hidma_lldev *lldev, u32 sig, const char *dev_name, /* * Multiple TREs may be queued and waiting in the pending queue. */ -static void hidma_ll_tre_complete(unsigned long arg) +static void hidma_ll_tre_complete(struct tasklet_struct *t) { - struct hidma_lldev *lldev = (struct hidma_lldev *)arg; + struct hidma_lldev *lldev = from_tasklet(lldev, t, task); struct hidma_tre *tre; while (kfifo_out(&lldev->handoff_fifo, &tre, 1)) { @@ -792,7 +792,7 @@ struct hidma_lldev *hidma_ll_init(struct device *dev, u32 nr_tres, return NULL; spin_lock_init(&lldev->lock); - tasklet_init(&lldev->task, hidma_ll_tre_complete, (unsigned long)lldev); + tasklet_setup(&lldev->task, hidma_ll_tre_complete); lldev->initialized = 1; writel(ENABLE_IRQS, lldev->evca + HIDMA_EVCA_IRQ_EN_REG); return lldev; -- 2.17.1
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