On Mon, Mar 05, 2012 at 07:48:42PM +0900, Jaehoon Chung wrote: > On 03/03/2012 09:46 AM, Mark Brown wrote: > > + pm_runtime_set_autosuspend_delay(&pdev->dev, 50); > Could you explain why use 50ms? It's essentially a random number, some other devices use the same one. We're just trying to avoid suspending between back to back requests. > > + pm_runtime_use_autosuspend(&pdev->dev); > > + pm_suspend_ignore_children(&pdev->dev, 1); > Is there reason that ignore_children use to set the true? So that we can suspend the host without having to have the MMC card suspended (the host suspend is not visible to the card).
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