> -----Original Message----- > From: Adrian Hunter [mailto:adrian.hunter@xxxxxxxxx] > Sent: Thursday, June 15, 2017 7:38 PM > To: Bough Chen <haibo.chen@xxxxxxx>; Linus Walleij > <linus.walleij@xxxxxxxxxx> > Cc: Ulf Hansson <ulf.hansson@xxxxxxxxxx>; linux-mmc <linux- > mmc@xxxxxxxxxxxxxxx>; Alex Lemberg <alex.lemberg@xxxxxxxxxxx>; Mateusz > Nowak <mateusz.nowak@xxxxxxxxx>; Yuliy Izrailov > <Yuliy.Izrailov@xxxxxxxxxxx>; Jaehoon Chung <jh80.chung@xxxxxxxxxxx>; > Dong Aisheng <dongas86@xxxxxxxxx>; Das Asutosh > <asutoshd@xxxxxxxxxxxxxx>; Zhangfei Gao <zhangfei.gao@xxxxxxxxx>; > Dorfman Konstantin <kdorfman@xxxxxxxxxxxxxx>; David Griego > <david.griego@xxxxxxxxxx>; Sahitya Tummala <stummala@xxxxxxxxxxxxxx>; > Harjani Ritesh <riteshh@xxxxxxxxxxxxxx>; Venu Byravarasu > <vbyravarasu@xxxxxxxxxx>; Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> > Subject: Re: [PATCH V2 00/22] mmc: Add Command Queue support > > On 24/04/17 12:14, Bough Chen wrote: > >> -----Original Message----- > >> From: linux-mmc-owner@xxxxxxxxxxxxxxx [mailto:linux-mmc- > >> owner@xxxxxxxxxxxxxxx] On Behalf Of Linus Walleij > >> Sent: Monday, April 24, 2017 4:13 PM > >> To: Adrian Hunter <adrian.hunter@xxxxxxxxx> > >> Cc: Ulf Hansson <ulf.hansson@xxxxxxxxxx>; linux-mmc <linux- > >> mmc@xxxxxxxxxxxxxxx>; Alex Lemberg <alex.lemberg@xxxxxxxxxxx>; > >> Mateusz Nowak <mateusz.nowak@xxxxxxxxx>; Yuliy Izrailov > >> <Yuliy.Izrailov@xxxxxxxxxxx>; Jaehoon Chung <jh80.chung@xxxxxxxxxxx>; > >> Dong Aisheng <dongas86@xxxxxxxxx>; Das Asutosh > >> <asutoshd@xxxxxxxxxxxxxx>; Zhangfei Gao <zhangfei.gao@xxxxxxxxx>; > >> Dorfman Konstantin <kdorfman@xxxxxxxxxxxxxx>; David Griego > >> <david.griego@xxxxxxxxxx>; Sahitya Tummala <stummala@xxxxxxxxxxxxxx>; > >> Harjani Ritesh <riteshh@xxxxxxxxxxxxxx>; Venu Byravarasu > >> <vbyravarasu@xxxxxxxxxx>; Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> > >> Subject: Re: [PATCH V2 00/22] mmc: Add Command Queue support > >> > >> On Sat, Apr 22, 2017 at 9:45 AM, Adrian Hunter > >> <adrian.hunter@xxxxxxxxx> > >> wrote: > >> > >>> Ulf and Linus have been doing a great job of keeping this moving, > >>> but it would be nice to see some others taking more interest. The > >>> first command queue patches were posted in February 2014, over 3 years > ago! > >> > >> I agree. > >> > >> I think both me & Ulf would also be doing more work if we had easily > >> accessible hardware with upstream host controller support for native > command queueing. > >> (Hm, was just reading in libata about NCQ ... > >> déja vu ... https://en.wikipedia.org/wiki/Native_Command_Queuing) > >> > >> Do we have some hardware with host-backed command queueing out > there > >> that is easily obtained and has upstream support for the basic system? > >> > > > > The coming i.MX8 support hardware CMDQ, I will have a try when I get one > on May or June. > > I have sent updated patches. Will you have a chance to test hardware CMDQ? Yes, I will try to apply these patches on our local 4.9 branch. Will give you the test result. Best Regards, Haibo Chen ��.n��������+%������w��{.n�����{��i��)��jg��������ݢj����G�������j:+v���w�m������w�������h�����٥