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authorAllen Pais <allen.lkml@gmail.com>2020-08-31 16:05:29 +0530
committerVinod Koul <vkoul@kernel.org>2020-09-18 12:19:07 +0530
commit00c4747a2f64d8d8f7db10127b394e915b20a7f4 (patch)
tree05da934b333be6da4910d6d1382e1701e517ad01 /drivers/dma
parent7f8281765f9949af30541428e29596b3025dc09a (diff)
downloadlinux-00c4747a2f64d8d8f7db10127b394e915b20a7f4.tar.gz
dmaengine: 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@gmail.com>
Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Link: https://lore.kernel.org/r/20200831103542.305571-23-allen.lkml@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/qcom/bam_dma.c6
-rw-r--r--drivers/dma/qcom/hidma.c6
-rw-r--r--drivers/dma/qcom/hidma_ll.c6
3 files changed, 9 insertions, 9 deletions
diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c
index 773e60c82b20..0ea9b9c9ce85 100644
--- a/drivers/dma/qcom/bam_dma.c
+++ b/drivers/dma/qcom/bam_dma.c
@@ -1074,9 +1074,9 @@ 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;
@@ -1292,7 +1292,7 @@ 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;