From: Ulf Hansson <ulf.hansson@linaro.org>
To: Avri Altman <Avri.Altman@wdc.com>
Cc: "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Linus Walleij <linus.walleij@linaro.org>,
Wolfram Sang <wsa+renesas@sang-engineering.com>,
Shawn Lin <shawn.lin@rock-chips.com>,
Masami Hiramatsu <masami.hiramatsu@linaro.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 00/11] Initital support for new power/perf features for SD cards
Date: Fri, 7 May 2021 09:31:39 +0200 [thread overview]
Message-ID: <CAPDyKFoifq5Dv1HiHpF2QcfO8ZTuf+OL0Uyo7fGr1gDVfdw+Tw@mail.gmail.com> (raw)
In-Reply-To: <DM6PR04MB65750A91FDC869FD3ABFE27AFC579@DM6PR04MB6575.namprd04.prod.outlook.com>
On Fri, 7 May 2021 at 08:44, Avri Altman <Avri.Altman@wdc.com> wrote:
>
> >
> > In the SD spec v4.x the SD function extension registers were introduced,
> > together with a new set of commands (CMD48/49 and CMD58/59) to read
> > and write
> > to them.
> >
> > Moreover, in v4.x a new standard function for power management features
> > were
> > added, while in v6.x a new standard function for performance
> > enhancements
> > features were added.
> >
> > This series implement the basics to add support for these new features (and
> > includes some additional preparations in patch 1->7), by adding support for
> > reading and parsing these new SD registers. In the final patch we add
> > support
> > for the SD poweroff notification feature, which also add a function to write
> > to
> > these registers.
> >
> > Note that, there are no HW updates need for the host to support
> > reading/parsing
> > of the these new SD registers. This has been tested with a 64GB Sandisk
> > Extreme
> > PRO UHS-I A2 card.
> >
> > Tests and reviews are of course greatly appreciated!
> Echoing an internal discussion about this series:
> "...
> That is very good that there will be a support of the extension registers of SD spec . It may allow existing and future features to be very easily supported by hosts (like existing power off control and future TCG/RPMB related spec which is currently under definition and is going to use those registers as well..).
Thanks for sharing. I am happy to help!
> ..."
> Therefore for entire series: Acked-by: Avri Altman <avri.altman@wdc.com>
Thanks for reviewing!
Kind regards
Uffe
next prev parent reply other threads:[~2021-05-07 7:32 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-04 16:12 [PATCH 00/11] Initital support for new power/perf features for SD cards Ulf Hansson
2021-05-04 16:12 ` [PATCH 01/11] mmc: core: Drop open coding when preparing commands with busy signaling Ulf Hansson
2021-05-06 12:50 ` Linus Walleij
2021-05-07 1:42 ` Shawn Lin
2021-05-04 16:12 ` [PATCH 02/11] mmc: core: Take into account MMC_CAP_NEED_RSP_BUSY for eMMC HPI commands Ulf Hansson
2021-05-06 12:51 ` Linus Walleij
2021-05-07 1:44 ` Shawn Lin
2021-05-04 16:12 ` [PATCH 03/11] mmc: core: Re-structure some code in __mmc_poll_for_busy() Ulf Hansson
2021-05-06 12:52 ` Linus Walleij
2021-05-07 1:48 ` Shawn Lin
2021-05-04 16:12 ` [PATCH 04/11] mmc: core: Extend re-use of __mmc_poll_for_busy() Ulf Hansson
2021-05-06 12:53 ` Linus Walleij
2021-05-07 1:51 ` Shawn Lin
2021-05-04 16:12 ` [PATCH 05/11] mmc: core: Enable eMMC sleep commands to use HW busy polling Ulf Hansson
2021-05-06 12:55 ` Linus Walleij
2021-05-07 1:52 ` Shawn Lin
2021-05-04 16:12 ` [PATCH 06/11] mmc: core: Prepare mmc_send_cxd_data() to be re-used for additional cmds Ulf Hansson
2021-05-06 12:56 ` Linus Walleij
2021-05-06 13:00 ` Linus Walleij
2021-05-07 7:30 ` Ulf Hansson
2021-05-07 1:53 ` Shawn Lin
2021-05-04 16:12 ` [PATCH 07/11] mmc: core: Drop open coding in mmc_sd_switch() Ulf Hansson
2021-05-06 12:57 ` Linus Walleij
2021-05-07 1:54 ` Shawn Lin
2021-05-04 16:12 ` [PATCH 08/11] mmc: core: Parse the SD SCR register for support of CMD48/49 and CMD58/59 Ulf Hansson
2021-05-06 13:01 ` Linus Walleij
2021-05-07 1:58 ` Shawn Lin
2021-05-04 16:12 ` [PATCH 09/11] mmc: core: Read the SD function extension registers for power management Ulf Hansson
2021-05-06 13:04 ` Linus Walleij
2021-05-07 2:06 ` Shawn Lin
2021-05-07 7:27 ` Ulf Hansson
2021-05-07 7:48 ` Shawn Lin
2021-05-07 11:36 ` Ulf Hansson
2021-05-04 16:12 ` [PATCH 10/11] mmc: core: Read performance enhancements registers for SD cards Ulf Hansson
2021-05-06 13:05 ` Linus Walleij
2021-05-04 16:12 ` [PATCH 11/11] mmc: core: Add support for Power Off Notification " Ulf Hansson
2021-05-06 13:07 ` Linus Walleij
2021-05-07 6:44 ` [PATCH 00/11] Initital support for new power/perf features " Avri Altman
2021-05-07 7:31 ` Ulf Hansson [this message]
2021-05-11 10:56 ` Ulf Hansson
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=CAPDyKFoifq5Dv1HiHpF2QcfO8ZTuf+OL0Uyo7fGr1gDVfdw+Tw@mail.gmail.com \
--to=ulf.hansson@linaro.org \
--cc=Avri.Altman@wdc.com \
--cc=adrian.hunter@intel.com \
--cc=linus.walleij@linaro.org \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mmc@vger.kernel.org \
--cc=masami.hiramatsu@linaro.org \
--cc=shawn.lin@rock-chips.com \
--cc=wsa+renesas@sang-engineering.com \
/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).