From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: EHCI and MUSB do not discover devices without CONFIG_PM Date: Tue, 28 Nov 2017 06:11:31 -0800 Message-ID: <20171128141131.GR28152@atomide.com> References: <20171127220833.GA10070@lenoch> <20171128073328.GF10757@kroah.com> <20171128085751.GA28256@lenoch> <20171128093054.GA20720@kroah.com> <20171128093948.GA21766@lenoch> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20171128093948.GA21766@lenoch> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ladislav Michl Cc: Greg KH , linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-omap@vger.kernel.org * Ladislav Michl [171128 09:42]: > On Tue, Nov 28, 2017 at 10:30:54AM +0100, Greg KH wrote: > > bit-banging an ir decoder, ugh, you are in for a world of hurt. Can't > > you put a chip on the device that does this for you in hardware? > > OMAP has DM timer which can be externally trigered on edge. Perfect for > that purpose. But I cannot pinmux its input as hw designers did poor job. > And there are thousands of devices deployed. > > So it is about a lot of soldering or providing software solution. > > > Anyway, good luck! > > A little pointer would increase "luck" by several order of magnitudes. Hmm did you already try limiting cpuidle to C1 only in /sys? >>From what I recall you just set the latency to less than C2 has. The cpuidle latencies are in struct omap3_idle_statedata omap3_idle_data[]. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html