Hi, On Wed, Jul 10, 2013 at 07:07:04PM +0300, Felipe Balbi wrote: > how about something like below ? It makes omap_device/hwmod and > pm_runtime agree on the initial state of the device and will prevent > ->runtime_resume() from being called on first pm_runtime_get*() done > during probe. > > This is similar to what PCI bus does (if you look at pci_pm_init()). > > commit 59108a500b4ab4b1a5102648a3360276dbf7df6f > Author: Felipe Balbi <balbi@xxxxxx> > Date: Wed Jul 10 18:50:16 2013 +0300 > > arm: omap2plus: unidle devices which are about to probe > > in order to make HWMOD and pm_runtime agree on the > initial state of the device, we will unidle the device > and call pm_runtime_set_active() to tell pm_runtime > that the device is really active. > > By the time driver's probe() is reached, a call to > pm_runtime_get_sync() will not cause driver's > ->runtime_resume() method to be called at first, only > after a successful ->runtime_suspend(). > > Signed-off-by: Felipe Balbi <balbi@xxxxxx> btw, this is RFC, haven't tested at all. -- balbi
Attachment:
signature.asc
Description: Digital signature
