Date: Wed, 15 Jul 2015 17:58:03 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Daisuke Aoyama <aoyama@peach.ne.jp>, Andreas Andersson <aandersson@tappsi.co>, freebsd-arm@freebsd.org Subject: Re: Performance issues with raspberry pi 2 Message-ID: <55A6830B.2050505@selasky.org> In-Reply-To: <2D17B16DBC5F452D8DAC721E17BBF1B7@ad.peach.ne.jp> References: <CAOx9_ZiUw5nkBK=Bsumb=K2W1hv0P%2BNAwT7OXE7VAz_96awqOw@mail.gmail.com> <3AB5ECCF20894591B4DF5FCBA8CA49BB@ad.peach.ne.jp> <CAOx9_Zg5WGUAvmmhAkUsgUM-H%2Bp9MWzmWjHnXfKAAxFoEuwrLg@mail.gmail.com> <CAOx9_ZiZmmrSBkf1quzW-zkbW0nNg08rAAV__7FHRdCbTCzt-g@mail.gmail.com> <B74C9AF8E1FD4AA596BBF09292FE52B4@ad.peach.ne.jp> <2D17B16DBC5F452D8DAC721E17BBF1B7@ad.peach.ne.jp>
next in thread | previous in thread | raw e-mail | index | archive | help
On 05/18/15 00:02, Daisuke Aoyama wrote: > > Previous subset does not work correctly in ratecheck. > I don't know a reason but same code from ODROID-C1 version works. > I re-create the patch as dwc_otg-rpi2-20150518.patch. > > http://www.peach.ne.jp/archives/rpi/patch/dwc_otg-rpi2-20150518.patch Hi, I've finally had time to look at your patch, and it has some clever new ideas to optimise the DWC OTG performance. I like it and will do some work to integrate your patches like promised this week. It might be too late for the coming 10.x release, but will for sure hit 10-stable when the next 10.x is out. Thank you! One question though: Are the WMB's and RMB's strictly needed? Isn't the I/O memory mapped coherently? Did you consider enabling the TXFIFOEMPTY IRQs instead of spinning? --HPS
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?55A6830B.2050505>