Hi, Ulf Ulf Hansson <ulf.hansson@xxxxxxxxxx> 於 2022年10月17日 週一 晚上7:32寫道： > > Hi Victor, > > On Fri, 14 Oct 2022 at 13:47, Victor Shih <victorshihgli@xxxxxxxxx> wrote: > > > > Summary > > ======= > > These patches[1] support UHS-II and fix GL9755 UHS-II compatibility. > > > > About UHS-II, roughly deal with the following three parts: > > 1) A UHS-II detection and initialization: > > - Host setup to support UHS-II (Section 3.13.1 Host Controller Setup Sequence > > [2]). > > - Detect a UHS-II I/F (Section 3.13.2 Card Interface Detection Sequence[2]). > > - In step(9) of Section 3.13.2 in [2], UHS-II initialization is include Section > > 3.13.3 UHS-II Card Initialization and Section 3.13.4 UHS-II Setting Register > > Setup Sequence. > > > > 2) Send Legacy SD command through SD-TRAN > > - Encapsulated SD packets are defined in SD-TRAN in order to ensure Legacy SD > > compatibility and preserve Legacy SD infrastructures (Section 7.1.1 Packet > > Types and Format Overview[3]). > > - Host issue a UHS-II CCMD packet or a UHS-II DCMD (Section 3.13.5 UHS-II > > CCMD Packet issuing and Section 3.13.6 UHS-II DCMD Packet issuing[2]). > > > > 3) UHS-II Interrupt > > - Except for UHS-II error interrupts, most interrupts share the original > > interrupt registers. > > > > Patch structure > > =============== > > patch#1-#6: for core > > patch#7-#25: for sdhci > > patch#26: for GL9755 > > > > Changes in v5 (Oct. 14, 2022) > > * rebased to linux-v6.0. > > You sent a v5 on Oct 14 and then this one (v5 again) today. Why? What > is the difference? I left out two files in the October 14th edition, so I added it back in the October 17th edition, but I forgot to change the date of the cover-letter. > > Moreover, as v6.1-rc1 is now available, my next branch will be based > on that. Can you please rebase the series on top of my next branch - > or at least use the latest available "rc", when you test and submit? Ok, I will follow your advice. I will rebase to the linux-v6.1-rc1 in your next branch. > > > * according to the guidance and overall architecture provided > > by Ulf Hansson, Ben Chuang and Jason Lai to implement the > > UHS-2 Core function based on the patches of the [V4,0/6] > > Preparations to support SD UHS-II cards[5]. > > * according to the guidance and comments provided by > > Adrian Hunter, Ben Chuang and AKASHI Takahiro to implement > > the UHS-2 Host function based on the patches of the > > [RFC,v3.1,00/27] Add support UHS-II for GL9755[4]. > > * implement the necessary function to let the UHS-2 Core/Host > > work properly. > > * fix most of checkpatch warnings/errors > > > > Reference > > ========= > > [1] https://gitlab.com/ben.chuang/linux-uhs2-gl9755.git > > [2] SD Host Controller Simplified Specification 4.20 > > [3] UHS-II Simplified Addendum 1.02 > > [4] https://patchwork.kernel.org/project/linux-mmc/cover/20201106022726.19831-1-takahiro.akashi@xxxxxxxxxx/ > > [5] https://patchwork.kernel.org/project/linux-mmc/cover/20220418115833.10738-1-jasonlai.genesyslogic@xxxxxxxxx/ > > Another general question, I assume you intend to move this forward > instead of Jason Lai, right? Yes. Please let me know if I have any mistakes. > > Kind regards > Uffe Thanks, Victor Shih
