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References: <20230721101349.12387-1-victorshihgli@gmail.com> <e5d23a32-1ac5-d6a8-c9a4-15dfdd96ace8@intel.com>
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From:   Victor Shih <victorshihgli@gmail.com>
Date:   Fri, 4 Aug 2023 18:10:30 +0800
Message-ID: <CAK00qKA5_kKny0KpEO6w42fUvtG0_YpO5V_-5E4ZQZBT83v+Gg@mail.gmail.com>
Subject: Re: [PATCH V9 00/23] Add support UHS-II for GL9755
To:     Adrian Hunter <adrian.hunter@intel.com>
Cc:     ulf.hansson@linaro.org, linux-mmc@vger.kernel.org,
        linux-kernel@vger.kernel.org, benchuanggli@gmail.com,
        HL.Liu@genesyslogic.com.tw, Greg.tu@genesyslogic.com.tw,
        takahiro.akashi@linaro.org, dlunev@chromium.org,
        Victor Shih <victor.shih@genesyslogic.com.tw>
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Hi, Ulf

Excuse me, may I know the patch's status?

If you already have a closer look at a paragraph in the series,
could you let me know your comments first, let me check it first.

I look forward to your reply.

Thanks, Victor Shih

On Mon, Jul 31, 2023 at 11:29=E2=80=AFPM Adrian Hunter <adrian.hunter@intel=
.com> wrote:
>
> On 21/07/23 13:13, Victor Shih wrote:
> > From: Victor Shih <victor.shih@genesyslogic.com.tw>
> >
> > Summary
> > =3D=3D=3D=3D=3D=3D=3D
> > 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 Leg=
acy
> >   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 origina=
l
> >   interrupt registers.
> >
> > Patch structure
> > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > patch#1-#6:  for core
> > patch#7-#22: for sdhci
> > patch#23:    for GL9755
> >
> > Changes in v9 (July. 21, 2023)
> > * rebased to the linux-kernel-v6.5.0-rc1 in Ulf Hansson next branch.
> > * according to the comments provided by Adrian Hunter to modify the
> >   patches base on the [V8 00/23] Add support UHS-II for GL9755.
> > * Patch#2: move sd_uhs2_operation definition of PatchV8[05/23]
> >            to PatchV9[02/23] for avoid compilation errors.
> >            move uhs2_control definition of PatchV8[05/23]
> >            to PatchV9[02/23] for avoid compilation errors.
> >            move mmc_host flags definition of PatchV8[05/23]
> >            to PatchV9[02/23] for avoid compilation errors.
> >            move mmc_host flags MMC_UHS2_SUPPORT definition of
> >            PatchV8[05/23] to PatchV9[02/23] for avoid compilation error=
s.
> >            move mmc_host flags MMC_UHS2_SD_TRAN definition of
> >            PatchV8[05/23] to PatchV9[02/23] for avoid compilation error=
s.
> > * Patch#7: Modify the commit message.
> > * Patch#8: Modify the commit message.
> > * Patch#11: Modify annotations in sdhci_get_vdd_value().
> > * Patch#14: Simplity the turning_on_clk in sdhci_set_ios().
> > * Patch#18: Modify the annotations in __sdhci_uhs2_send_command().
> > * Patch#19: Cancel export state of sdhci_set_mrq_done() function.
> > * Patch#23: Rename gl9755_pre_detect_init() to sdhci_gli_pre_detect_ini=
t().
> >             Rename gl9755_uhs2_reset_sd_tran() to
> >             sdhci_gli_uhs2_reset_sd_tran().
> >
> > Reference
> > =3D=3D=3D=3D=3D=3D=3D=3D=3D
> > [1] https://gitlab.com/VictorShih/linux-uhs2.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/20230621100151=
.6329-1-victorshihgli@gmail.com/
> >
> > ----------------- original cover letter from v8 -----------------
> > Summary
> > =3D=3D=3D=3D=3D=3D=3D
> > 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 Leg=
acy
> >   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 origina=
l
> >   interrupt registers.
> >
> > Patch structure
> > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > patch#1-#6:  for core
> > patch#7-#22: for sdhci
> > patch#23:    for GL9755
> >
> > Changes in v8 (June. 21, 2023)
> > * rebased to the linux-kernel-v6.4.0-rc6 in Ulf Hansson next branch.
> > * fix most of checkpatch warnings/errors.
> > * according to the comments provided by Adrian Hunter to modify the
> >   patches base on the [V7 00/23] Add support UHS-II for GL9755.
> > * Patch#6: Add MMC_UHS2_SUPPORT to be cleared in sd_uhs2_detect().
> >            Modify return value in sd_uhs2_attach().
> > * Patch#7: Use tabs instead of spaces.
> > * Patch#8: Modify MODULE_LICENSE from "GPL v2" to "GPL".
> > * Patch#10: Adjust the position of matching brackets.
> > * Patch#11: Adjust the position of matching brackets.
> >             Add the initial value of the pwr in sdhci_uhs2_set_power().
> > * Patch#13: Initialization be combined with declaration and realigned
> >             in sdhci_calc_timeout_uhs2().
> >             Forward declare struct mmc_command in sdhci_uhs2.h.
> > * Patch#14: Add the judgment formula for MMC_TIMING_SPEED_A_HD,
> >             MMC_TIMING_SPEED_B and MMC_TIMING_SPEED_B_HD in
> >             __sdhci_uhs2_set_ios().
> >             Add the switch case for MMC_TIMING_SPEED_A_HD,
> >             MMC_TIMING_SPEED_B and MMC_TIMING_SPEED_B_HD in
> >             sdhci_get_preset_value().
> >             mmc_opt_regulator_set_ocr() to instead of
> >             mmc_regulator_set_ocr() in sdhci_uhs2_set_ios().
> > * Patch#15: usleep_range() to instead of udelay() in
> >             sdhci_uhs2_interface_detect().
> >             read_poll_timeout() to instead of read_poll_timeout_atomic(=
)
> >             in sdhci_uhs2_interface_detect().
> >             Modify return value in sdhci_uhs2_do_detect_init().
> > * Patch#16: Remove unnecessary include file.
> >             read_poll_timeout() to instead of read_poll_timeout_atomic(=
)
> >             in sdhci_uhs2_enable_clk().
> >             Put the comment on the end and put the lines in descending
> >             line length in sdhci_uhs2_enable_clk().
> >             Modify return value in sdhci_uhs2_enable_clk().
> > * Patch#17: Reorder the definitions and lose the parentheses in
> >             sdhci_uhs2_set_config().
> >             read_poll_timeout() to instead of read_poll_timeout_atomic(=
)
> >             in sdhci_uhs2_check_dormant().
> > * Patch#18: Adjust the position of matching brackets in
> >             sdhci_uhs2_send_command_retry().
> >             Modify CameCase definition in __sdhci_uhs2_finish_command()=
.
> >             Modify error message in __sdhci_uhs2_finish_command().
> >             sdhci_uhs2_send_command_retry() to instead of
> >             sdhci_uhs2_send_command() in sdhci_uhs2_request().
> >             Use sdhci_uhs2_mode() to simplify code in
> >             sdhci_uhs2_request_atomic().
> >             Add forward declaration for sdhci_send_command().
> > * Patch#19: Forward declare struct mmc_request in sdhci_uhs2.h.
> >             Remove forward declaration of sdhci_send_command().
> >             Use mmc_dev() to simplify code in sdhci_request_done_dma().
> > * Patch#20: Change return type to void for __sdhci_uhs2_add_host_v4().
> >             Remove unused variables in __sdhci_uhs2_add_host_v4().
> > * Patch#22: Add config select MMC_SDHCI_UHS2 in Kconfig.
> > * Patch#23: Use sdhci_get_vdd_value() to simplify code in
> >             gl9755_set_power().
> >             Use read_poll_timeout_atomic() to simplify code in
> >             sdhci_wait_clock_stable().
> >             Use read_poll_timeout_atomic() to simplify code in
> >             sdhci_gl9755_reset().
> >
> > Reference
> > =3D=3D=3D=3D=3D=3D=3D=3D=3D
> > [1] https://gitlab.com/VictorShih/linux-uhs2.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/20230331105546=
.13607-1-victor.shih@genesyslogic.com.tw/
> >
> > ----------------- original cover letter from v7 -----------------
> > Summary
> > =3D=3D=3D=3D=3D=3D=3D
> > 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 Se=
quence
> >   [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 R=
egister
> >   Setup Sequence.
> >
> > 2) Send Legacy SD command through SD-TRAN
> > - Encapsulated SD packets are defined in SD-TRAN in order to ensure Leg=
acy SD
> >   compatibility and preserve Legacy SD infrastructures (Section 7.1.1 P=
acket
> >   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 origina=
l
> >   interrupt registers.
> >
> > Patch structure
> > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > patch#1-#6:  for core
> > patch#7-#22: for sdhci
> > patch#23:    for GL9755
>
> For patches 7 - 23:
>
> Acked-by: Adrian Hunter <adrian.hunter@intel.com>
>