From: AKASHI Takahiro <takahiro.akashi@linaro.org>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: ulf.hansson@linaro.org, linux-mmc@vger.kernel.org,
linux-kernel@vger.kernel.org, ben.chuang@genesyslogic.com.tw,
greg.tu@genesyslogic.com.tw
Subject: Re: [RFC PATCH v3.1 00/27] Add support UHS-II for GL9755
Date: Tue, 1 Dec 2020 12:09:37 +0900 [thread overview]
Message-ID: <20201201030937.GE43403@laputa> (raw)
In-Reply-To: <c8f7e9ad-3e8d-01cc-edeb-5be364bfcc36@intel.com>
Adrian,
Thank you for your review comments.
On Thu, Nov 26, 2020 at 10:18:55AM +0200, Adrian Hunter wrote:
> On 25/11/20 9:41 am, AKASHI Takahiro wrote:
> > Gentle ping;
> >
> > On Fri, Nov 06, 2020 at 11:26:59AM +0900, AKASHI Takahiro wrote:
> >> This is an interim snapshot of our next version, v4, for enabling
> >> UHS-II on MMC/SD.
> >>
> >> It is focused on 'sdhci' side to address Adrian's comments regarding
> >> "modularising" sdhci-uhs2.c.
> >> The whole aim of this version is to get early feedback from Adrian (and
> >> others) on this issue. Without any consensus about the code structure,
> >
> > Any comments so far?
> >
>
> Overall, I like this approach of separating UHS2 from legacy sdhci as much
> as possible. The only major change, is to drop support for legacy quirks
> and features that you do not need. The reason for that, is that there may
> be few drivers that end up with UHS-II support (opting instead for SD
> Express), so there is no point going to a lot of trouble to support things
> that never get used.
>
> From what I have seen that looks like it includes:
> - any quirks
GLI driver (gl9755) needs
* SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC
* SDHCI_QUIRK2_BROKEN_DDR50
but they are managed in sdhci code.
> - SDHCI LED support
> - external DMA support
Should we add 'depends on !SDHCI_UHS2' to MMC_SDHCI_EXTERNAL_DMA?
> In this regard, the important thing is to have a comment somewhere that
> lists what is not supported.
>
> I have only looked at SDHCI patches so far, and only up to about patch 20,
> but maybe that gives you enough to go on for a while.
Well, I have almost done.
Can I expect your comments on the patches #21-#27 as well soon?
-Takahiro Akashi
next prev parent reply other threads:[~2020-12-01 3:10 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-06 2:26 [RFC PATCH v3.1 00/27] Add support UHS-II for GL9755 AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 01/27] mmc: add UHS-II related definitions in public headers AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 02/27] mmc: core: UHS-II support, modify power-up sequence AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 03/27] mmc: core: UHS-II support, skip set_chip_select() AKASHI Takahiro
2020-11-10 7:15 ` Bough Chen
2020-11-06 2:27 ` [RFC PATCH v3.1 04/27] mmc: core: UHS-II support, try to select UHS-II interface AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 05/27] mmc: core: UHS-II support, skip TMODE setup in some cases AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 06/27] mmc: core: UHS-II support, generate UHS-II SD command packet AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 07/27] mmc: core: UHS-II support, set APP_CMD bit if necessary AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 08/27] mmc: sdhci: add a kernel configuration for enabling UHS-II support AKASHI Takahiro
2020-11-26 8:14 ` Adrian Hunter
2020-11-30 5:17 ` AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 09/27] mmc: sdhci: add UHS-II related definitions in headers AKASHI Takahiro
2020-11-26 8:15 ` Adrian Hunter
2020-11-30 5:21 ` AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 10/27] mmc: sdhci: add UHS-II module AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 11/27] mmc: sdhci-uhs2: dump UHS-II registers AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 12/27] mmc: sdhci-uhs2: add reset function AKASHI Takahiro
2020-11-26 8:16 ` Adrian Hunter
2020-11-30 6:20 ` AKASHI Takahiro
2020-11-30 7:37 ` Adrian Hunter
2020-11-06 2:27 ` [RFC PATCH v3.1 13/27] mmc: sdhci-uhs2: add set_power() to support vdd2 AKASHI Takahiro
2020-11-26 8:16 ` Adrian Hunter
2020-11-30 7:15 ` AKASHI Takahiro
2020-11-30 7:44 ` Adrian Hunter
2020-11-06 2:27 ` [RFC PATCH v3.1 14/27] mmc: sdhci-uhs2: skip signal_voltage_switch() AKASHI Takahiro
2020-11-26 8:16 ` Adrian Hunter
2020-11-30 7:38 ` AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 15/27] mmc: sdhci-uhs2: add set_timeout() AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 16/27] mmc: sdhci-uhs2: add set_ios() AKASHI Takahiro
2020-11-26 8:17 ` Adrian Hunter
2020-11-30 7:51 ` AKASHI Takahiro
2020-12-03 9:51 ` Adrian Hunter
2020-11-06 2:27 ` [RFC PATCH v3.1 17/27] mmc: sdhci-uhs2: add detect_init() to detect the interface AKASHI Takahiro
2020-11-26 8:17 ` Adrian Hunter
2020-12-01 2:25 ` AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 18/27] mmc: sdhci-uhs2: add clock operations AKASHI Takahiro
2020-11-26 8:17 ` Adrian Hunter
2020-12-01 2:27 ` AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 19/27] mmc: sdhci-uhs2: add set_reg() to initialise the interface AKASHI Takahiro
2020-11-26 8:18 ` Adrian Hunter
2020-12-01 2:28 ` AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 20/27] mmc: sdhci-uhs2: add request() and others AKASHI Takahiro
2020-11-26 8:18 ` Adrian Hunter
2020-12-01 2:40 ` AKASHI Takahiro
2020-12-01 11:24 ` Adrian Hunter
2020-11-06 2:27 ` [RFC PATCH v3.1 21/27] mmc: sdhci-uhs2: add irq() " AKASHI Takahiro
2020-12-01 16:46 ` Adrian Hunter
2020-12-08 7:37 ` AKASHI Takahiro
2020-12-08 8:37 ` Adrian Hunter
2020-11-06 2:27 ` [RFC PATCH v3.1 22/27] mmc: sdhci-uhs2: add add_host() and others to set up the driver AKASHI Takahiro
2020-12-03 9:42 ` Adrian Hunter
2020-12-08 7:42 ` AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 23/27] mmc: sdhci-uhs2: add pre-detect_init hook AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 24/27] mmc: core: add post-mmc_attach_sd hook AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 25/27] mmc: sdhci-uhs2: " AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 26/27] mmc: sdhci-pci: add UHS-II support framework AKASHI Takahiro
2020-11-06 2:27 ` [RFC PATCH v3.1 27/27] mmc: sdhci-pci-gli: enable UHS-II mode for GL9755 AKASHI Takahiro
2020-11-25 7:41 ` [RFC PATCH v3.1 00/27] Add support UHS-II " AKASHI Takahiro
2020-11-25 10:43 ` Ulf Hansson
2020-11-26 0:06 ` AKASHI Takahiro
2020-11-26 8:18 ` Adrian Hunter
2020-12-01 3:09 ` AKASHI Takahiro [this message]
2020-12-03 9:55 ` Adrian Hunter
2020-12-08 7:58 ` AKASHI Takahiro
2020-12-08 8:48 ` Adrian Hunter
2020-12-03 10:02 ` Adrian Hunter
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201201030937.GE43403@laputa \
--to=takahiro.akashi@linaro.org \
--cc=adrian.hunter@intel.com \
--cc=ben.chuang@genesyslogic.com.tw \
--cc=greg.tu@genesyslogic.com.tw \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mmc@vger.kernel.org \
--cc=ulf.hansson@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).