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From: Ulf Hansson <ulf.hansson@linaro.org>
To: Shawn Lin <shawn.lin@rock-chips.com>
Cc: linux-mmc <linux-mmc@vger.kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Avri Altman <avri.altman@wdc.com>,
	Masami Hiramatsu <masami.hiramatsu@linaro.org>,
	linux-block <linux-block@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 09/11] mmc: core: Read the SD function extension registers for power management
Date: Fri, 7 May 2021 13:36:35 +0200	[thread overview]
Message-ID: <CAPDyKFogv5j-UR=20nKVdSpCDSNb0tkH2shPrLcd1tFdOno6BA@mail.gmail.com> (raw)
In-Reply-To: <dc1d03ed-c8ab-468c-e602-938e92322fa8@rock-chips.com>

On Fri, 7 May 2021 at 09:48, Shawn Lin <shawn.lin@rock-chips.com> wrote:
>
> On 2021/5/7 15:27, Ulf Hansson wrote:
> > On Fri, 7 May 2021 at 04:06, Shawn Lin <shawn.lin@rock-chips.com> wrote:
> >>
> >>
> >> On 2021/5/5 0:12, Ulf Hansson wrote:
> >>> In SD spec v4.x the SD function extension registers were introduced. A
> >>
> >> I have a v4.0 spec and it doesn't state that v4.0 suppports reading
> >> extension registers but just says TBD instead.  So I guess v4.x doesn't
> >> include v4.0 ?
> >
> > Good question. The v4.0 spec introduces the CMD48/49 and CMD58/59,
> > while in v4.10 the spec adds the power management extensions.
> >
> > I can update the commit message to better reflect this, if you prefer!?
>
> It would be better.

Sure, let me amend the change when applying.

>
> And I downloaded the latest v8.00 spec, checked carefully with the new
> features there to make sure we don't make any misinterpretations at
> first.
>
> For patch 9 -11 as well,
>
> Reviewed-by: Shawn Lin <shawn.lin@rock-chips.con>

Thanks!

[...]

Kind regards
Uffe

  reply	other threads:[~2021-05-07 11:37 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 [this message]
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
2021-05-11 10:56 ` Ulf Hansson

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