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path: root/drivers/dma/qcom/bam_dma.c
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Diffstat (limited to 'drivers/dma/qcom/bam_dma.c')
-rw-r--r--drivers/dma/qcom/bam_dma.c39
1 files changed, 11 insertions, 28 deletions
diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c
index 87f6ca1541cf..2ff787df513e 100644
--- a/drivers/dma/qcom/bam_dma.c
+++ b/drivers/dma/qcom/bam_dma.c
@@ -558,14 +558,6 @@ static int bam_alloc_chan(struct dma_chan *chan)
return 0;
}
-static int bam_pm_runtime_get_sync(struct device *dev)
-{
- if (pm_runtime_enabled(dev))
- return pm_runtime_get_sync(dev);
-
- return 0;
-}
-
/**
* bam_free_chan - Frees dma resources associated with specific channel
* @chan: specified channel
@@ -581,7 +573,7 @@ static void bam_free_chan(struct dma_chan *chan)
unsigned long flags;
int ret;
- ret = bam_pm_runtime_get_sync(bdev->dev);
+ ret = pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return;
@@ -784,7 +776,7 @@ static int bam_pause(struct dma_chan *chan)
unsigned long flag;
int ret;
- ret = bam_pm_runtime_get_sync(bdev->dev);
+ ret = pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return ret;
@@ -810,7 +802,7 @@ static int bam_resume(struct dma_chan *chan)
unsigned long flag;
int ret;
- ret = bam_pm_runtime_get_sync(bdev->dev);
+ ret = pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return ret;
@@ -919,7 +911,7 @@ static irqreturn_t bam_dma_irq(int irq, void *data)
if (srcs & P_IRQ)
tasklet_schedule(&bdev->task);
- ret = bam_pm_runtime_get_sync(bdev->dev);
+ ret = pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return IRQ_NONE;
@@ -1037,7 +1029,7 @@ static void bam_start_dma(struct bam_chan *bchan)
if (!vd)
return;
- ret = bam_pm_runtime_get_sync(bdev->dev);
+ ret = pm_runtime_get_sync(bdev->dev);
if (ret < 0)
return;
@@ -1374,11 +1366,6 @@ static int bam_dma_probe(struct platform_device *pdev)
if (ret)
goto err_unregister_dma;
- if (!bdev->bamclk) {
- pm_runtime_disable(&pdev->dev);
- return 0;
- }
-
pm_runtime_irq_safe(&pdev->dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, BAM_DMA_AUTOSUSPEND_DELAY);
pm_runtime_use_autosuspend(&pdev->dev);
@@ -1462,10 +1449,8 @@ static int __maybe_unused bam_dma_suspend(struct device *dev)
{
struct bam_device *bdev = dev_get_drvdata(dev);
- if (bdev->bamclk) {
- pm_runtime_force_suspend(dev);
- clk_unprepare(bdev->bamclk);
- }
+ pm_runtime_force_suspend(dev);
+ clk_unprepare(bdev->bamclk);
return 0;
}
@@ -1475,13 +1460,11 @@ static int __maybe_unused bam_dma_resume(struct device *dev)
struct bam_device *bdev = dev_get_drvdata(dev);
int ret;
- if (bdev->bamclk) {
- ret = clk_prepare(bdev->bamclk);
- if (ret)
- return ret;
+ ret = clk_prepare(bdev->bamclk);
+ if (ret)
+ return ret;
- pm_runtime_force_resume(dev);
- }
+ pm_runtime_force_resume(dev);
return 0;
}