Hi, On Tue, Dec 17, 2013 at 05:48:33PM +0100, anaum...@ultratronik.de wrote: > From: Andreas Naumann <anaum...@ultratronik.de> > > This is a hard to reproduce problem which leads to non-functional > USB-OTG port in 0.1%-1% of all boots. Tracked it down to commit > e25bec160158abe86c276d7d206264afc3646281, which introduces save/restore > of OTG_INTERFSEL over suspend. > Since the resume function is also called early in driver init, it uses a > non-initialized value (which is 0 and a non-supported setting in DM37xx > for INTERFSEL). Shortly after the correct value is set. Apparently this > works most time, but not always.
yeah, but the problem is not on the glue layer. The bug is omap_device and pm_runtime not agreeing on device's state. I suppose there was a fix for that recently in linux-omap@vger mailing list. -- balbi
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