Hi Pramod
> @@ -715,10 +724,13 @@ static int bam_resume(struct dma_chan *chan)
> struct bam_device *bdev = bchan->bdev;
> unsigned long flag;
>
> + pm_runtime_get_sync(bdev->dev);
> spin_lock_irqsave(&bchan->vc.lock, flag);
> writel_relaxed(0, bam_addr(bdev, bchan->id, BAM_P_HALT));
> bchan->paused = 0;
> spin_unlock_irqrestore(&bchan->vc.lock, flag);
> + pm_runtime_mark_last_busy(bdev->dev);
> + pm_runtime_put_autosuspend(bdev->dev);
>
> return 0;
> }
Why this function simply return 'success' without any error capture?
> @@ -1252,16 +1278,76 @@ static int bam_dma_remove(struct platform_device *pdev)
>
> tasklet_kill(&bdev->task);
>
> + pm_runtime_get_sync(&pdev->dev);
> clk_disable_unprepare(bdev->bamclk);
> + pm_runtime_disable(&pdev->dev);
> + pm_runtime_put_noidle(&pdev->dev);
> + pm_runtime_set_suspended(&pdev->dev);
> +
> + return 0;
> +}
Why this function simply return 'success' without any error capture?
> +static int bam_dma_runtime_suspend(struct device *dev)
> +{
> + struct bam_device *bdev = dev_get_drvdata(dev);
> +
> + clk_disable(bdev->bamclk);
> +
> + return 0;
> +}
Why this function simply return 'success' without any error capture?
> +#ifdef CONFIG_PM_SLEEP
> +static int bam_dma_suspend(struct device *dev)
> +{
> + struct bam_device *bdev = dev_get_drvdata(dev);
> +
> + pm_runtime_force_suspend(dev);
> +
> + clk_unprepare(bdev->bamclk);
>
> return 0;
> }
Why this function simply return 'success' without any error capture?
Regards
Manish Badarkhe
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