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Omap3 MUSB AUTOIDLE functionality configured through OTG_SYSCONFIG register prevents the device from going into retention. This is a workaround (by Richard Woodruff/TI), as his comment : > A new MUSB bug which is a match to data below was identified very > recently (on hardware and in simulation). > This bug is in 3430 and not 3630. > As a priority test (and as new default) you should have engineers > disable autoidle for MUSB block. > This is the workaround which will show up in next errata. Signed-off-by: Niilo Minkkinen <ext-niilo.1.minkkinen@nokia.com> Signed-off-by: Richard Woodruff <r-woodruff2@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>