From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Kemnade Subject: Re: [PATCH 0/4] Implement PM runtime for musb-core based on session bit Date: Mon, 22 Aug 2016 07:28:38 +0200 Message-ID: <20160822072838.28928691@aktux> References: <1471560410-6428-1-git-send-email-tony@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1471560410-6428-1-git-send-email-tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Tony Lindgren Cc: Bin Liu , Felipe Balbi , George Cherian , Kishon Vijay Abraham I , Ivaylo Dimitrov , Ladislav Michl , Sergei Shtylyov , linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-omap@vger.kernel.org Hi, On Thu, 18 Aug 2016 15:46:46 -0700 Tony Lindgren wrote: > Hi all, > > Here's a series of patches to simplify musb PM runtime support > further. > > I finally figured out that we can get rid of most of the glue layer > specific workarounds by following the devctl session bit in musb core. > > The series also adds PM runtime support to the musb dsps glue layer > for the PIO mode. > > I've tested basic plugging of cables in peripheral and host mode > on omap3 and am335x using omap2plus_defconfig. Please test if you > can. > Testing on GTA04 hardware (dm3730 + twl4030 as usb-phy), device mode, charging: it does not make things worse than it is without it. Same problems, phy->power_count goes down to -1, so no gadget, no charging. Fixing that (I have some nearly-ready things in my queue) causes device mode and charging to work (as it does without this patch-series). Regards, Andreas -- 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