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dmaengine: qcom: convert tasklets to use new tasklet_setup() API

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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>
This commit is contained in:
Allen Pais 2020-08-31 16:05:29 +05:30 committed by Vinod Koul
parent 7f8281765f
commit 00c4747a2f
3 changed files with 9 additions and 9 deletions
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6
drivers/dma/qcom/bam_dma.c
View File

@ -1074,9 +1074,9 @@ static void bam_start_dma(struct bam_chan *bchan)
* *
* Sets up next DMA operation and then processes all completed transactions * 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; struct bam_chan *bchan;
unsigned long flags; unsigned long flags;
unsigned int i; unsigned int i;
@ -1292,7 +1292,7 @@ static int bam_dma_probe(struct platform_device *pdev)
if (ret) if (ret)
goto err_disable_clk; 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, bdev->channels = devm_kcalloc(bdev->dev, bdev->num_channels,
sizeof(*bdev->channels), GFP_KERNEL); sizeof(*bdev->channels), GFP_KERNEL);

6
drivers/dma/qcom/hidma.c
View File

@ -224,9 +224,9 @@ static int hidma_chan_init(struct hidma_dev *dmadev, u32 dma_sig)
return 0; 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); pm_runtime_get_sync(dmadev->ddev.dev);
hidma_ll_start(dmadev->lldev); hidma_ll_start(dmadev->lldev);
@ -885,7 +885,7 @@ static int hidma_probe(struct platform_device *pdev)
goto uninit; goto uninit;
dmadev->irq = chirq; 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_debug_init(dmadev);
hidma_sysfs_init(dmadev); hidma_sysfs_init(dmadev);
dev_info(&pdev->dev, "HI-DMA engine driver registration complete\n"); dev_info(&pdev->dev, "HI-DMA engine driver registration complete\n");

6
drivers/dma/qcom/hidma_ll.c
View File

@ -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. * 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; struct hidma_tre *tre;
while (kfifo_out(&lldev->handoff_fifo, &tre, 1)) { 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; return NULL;
spin_lock_init(&lldev->lock); 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; lldev->initialized = 1;
writel(ENABLE_IRQS, lldev->evca + HIDMA_EVCA_IRQ_EN_REG); writel(ENABLE_IRQS, lldev->evca + HIDMA_EVCA_IRQ_EN_REG);
return lldev; return lldev;