Re: [PATCH V9 00/23] Add support UHS-II for GL9755

From: Victor Shih
Date: Fri Aug 18 2023 - 05:59:37 EST

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On Fri, Aug 4, 2023 at 6:10 PM Victor Shih <victorshihgli@xxxxxxxxx> wrote:
>
> 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 PM Adrian Hunter <adrian.hunter@xxxxxxxxx> wrote:
> >
> > On 21/07/23 13:13, Victor Shih wrote:
> > > From: Victor Shih <victor.shih@xxxxxxxxxxxxxxxxxxx>
> > >
> > > 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-#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 errors.
> > > move mmc_host flags MMC_UHS2_SD_TRAN definition of
> > > PatchV8[05/23] to PatchV9[02/23] for avoid compilation errors.
> > > * 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_init().
> > > Rename gl9755_uhs2_reset_sd_tran() to
> > > sdhci_gli_uhs2_reset_sd_tran().
> > >
> > > Reference
> > > =========
> > > [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@xxxxxxxxx/
> > >
> > > ----------------- original cover letter from v8 -----------------
> > > 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-#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
> > > =========
> > > [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@xxxxxxxxxxxxxxxxxxx/
> > >
> > > ----------------- original cover letter from v7 -----------------
> > > 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-#22: for sdhci
> > > patch#23: for GL9755
> >
> > For patches 7 - 23:
> >
> > Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> >

Hi, Adrian

For some reason, I will slightly modify 3 patches in V10, please
help to review again.
PatchV10[11/23]: Move some definitions of PatchV9[05/23] to PatchV10[11/23]
PatchV10[18/23]: Use tmode_half_duplex to instead of uhs2_tmode0_flag in
sdhci_uhs2_set_transfer_mode().
PatchV10[20/23]: Move some definitions of PatchV9[05/23] to PatchV10[20/23]

Thanks, Victor Shih

Next message: Victor Shih: "Re: [PATCH V9 06/23] mmc: core: Support UHS-II card control and access"
Previous message: Victor Shih: "Re: [PATCH V9 03/23] mmc: core: Announce successful insertion of an SD UHS-II card"
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