On 20/06/17 11:01, Bough Chen wrote: >> -----Original Message----- >> From: linux-mmc-owner@xxxxxxxxxxxxxxx [mailto:linux-mmc- >> owner@xxxxxxxxxxxxxxx] On Behalf Of Bough Chen >> Sent: Thursday, June 15, 2017 7:50 PM >> To: Adrian Hunter <adrian.hunter@xxxxxxxxx>; 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 >> >>> -----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. >> > > Hi Adrian, > > i.MX8 still not upstream, and just work on our local 4.9 branch, to test your branch, I need to cherry pick > some mmc patches and block layer patches, I'm doing this now, but need some time. Thanks for the update. I realize backporting anything related to mmc block is now a big task. > > >> Best Regards, >> Haibo Chen >> 칻 & ~ & +- ݶ w ˛ m b f ȧ ܨ} Ơz &j:+v zZ+ +zf h ~ i z w ? >> & )ߢf -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html