From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vivek Gautam Subject: Re: [PATCH] Re: Endless "supply vcc not found, using dummy regulator" Date: Fri, 27 May 2016 15:02:48 +0530 Message-ID: References: <20160523134737.GA21683@sesse.net> <20160523144047.GA36908@sesse.net> <20160523162455.GW8206@sirena.org.uk> <20160523170617.GA8997@sesse.net> <20160524152638.GA20341@sesse.net> <574478FE.4070800@samsung.com> <20160524192424.GA11690@sesse.net> <20160525175236.GA5788@sesse.net> <20160526125757.GA23797@sesse.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: In-Reply-To: <20160526125757.GA23797-gdzBep0Ce9heoWH0uzbU5w@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "Steinar H. Gunderson" Cc: Anand Moon , Krzysztof Kozlowski , Mark Brown , "linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , 823552-61a8vm9lEZVf4u+23C9RwQ@public.gmane.org, balbi-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, Linux USB Mailing List , Vivek Gautam List-Id: linux-samsung-soc@vger.kernel.org On Thu, May 26, 2016 at 6:27 PM, Steinar H. Gunderson wrote: > On Wed, May 25, 2016 at 07:52:36PM +0200, Steinar H. Gunderson wrote: >>> Actually their are some missing patches to tune the usb3 phy. >>> >>> https://lkml.org/lkml/2014/10/31/266 >> This explains why the default networking speed refused to go above >> ~300 Mbit/sec! What happened to the patches, I wonder? > > Adding Vivek in case he knows. They certainly don't apply anymore, at least. Above mentioned patches were not accepted by the maintainers of generic-phy and usb. I couldn't get any response on them for quite a long time. So, the patches could never make it to the mainline. I can try initiating the entire exercise once again and try to get them merged. >>From the thread, i can't make out the configuration of the board you are using. If the network is coming out of the USB 3.0 phy, then definitely you will see a performance drop. AFA dwc3-exynos is concerned, there's definitely a resource leak as pointed out by you. Please post the suggested patch, adding required people in CC. > > /* Steinar */ > -- > Homepage: https://www.sesse.net/ > -- > To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Best Regards Vivek Gautam Samsung R&D Institute, Bangalore India -- 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