All of lore.kernel.org
 help / color / mirror / Atom feed
From: Krzysztof Kozlowski <krzk@kernel.org>
To: Ulf Hansson <ulf.hansson@oss.qualcomm.com>,
	linux-mmc@vger.kernel.org, Ulf Hansson <ulfh@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>,
	Kamal Dasu <kamal.dasu@broadcom.com>,
	Florian Fainelli <florian.fainelli@broadcom.com>,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Oleksij Rempel <o.rempel@pengutronix.de>,
	linux-kernel@vger.kernel.org,
	Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Subject: Re: [PATCH v10 2/6] dt-bindings: mmc: Add reset-card-at-resume property
Date: Tue, 27 Oct 2026 16:33:22 +0100	[thread overview]
Message-ID: <2a29cb8e-28eb-450a-afe9-df543f99b101@kernel.org> (raw)
In-Reply-To: <20261027144051.249211-3-ulf.hansson@oss.qualcomm.com>

On 27/10/2026 15:40, Ulf Hansson wrote:
> From: Kamal Dasu <kamal.dasu@broadcom.com>
> 
> On some platforms, firmware or other hardware accesses the card
> during suspend/resume, before the kernel's own resume path has run,
> leaving the card in a state the kernel can no longer assume it knows.
> Add a flag property so such boards can tell the mmc core the card
> needs to be reset before it can be used again.
> 
> This is expected to be paired with keep-power-in-suspend on boards
> whose firmware needs the card to stay powered and live throughout
> suspend: since the card is never power-cycled, nothing else would
> force it back to a known state on resume.
> 
> Signed-off-by: Kamal Dasu <kamal.dasu@broadcom.com>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>

Incomplete DCO, missing DT list, so not checked by automation.


Please kindly resend and include all necessary To/Cc entries.

Best regards,
Krzysztof

  reply	other threads:[~2026-10-27 15:33 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-27 14:40 [PATCH v10 0/6] mmc: core: Keep the card powered across suspend when firmware needs it live Ulf Hansson
2026-10-27 14:40 ` [PATCH v10 1/6] dt-bindings: mmc: Extend keep-power-in-suspend beyond SDIO Ulf Hansson
2026-10-27 15:01   ` Shawn Lin
2026-10-27 19:46     ` Ulf Hansson
2026-10-28  0:36       ` Shawn Lin
2026-10-28 10:43         ` Ulf Hansson
2026-10-28 12:08           ` Shawn Lin
2026-10-27 15:33   ` Krzysztof Kozlowski
2026-10-27 19:48     ` Ulf Hansson
2026-10-27 20:31       ` Kamal Dasu
2026-10-28 10:36         ` Ulf Hansson
2026-10-28 15:46         ` Ulf Hansson
2026-10-27 14:40 ` [PATCH v10 2/6] dt-bindings: mmc: Add reset-card-at-resume property Ulf Hansson
2026-10-27 15:33   ` Krzysztof Kozlowski [this message]
2026-10-27 14:40 ` [PATCH v10 3/6] mmc: core: Add option to keep an eMMC powered on at system suspend Ulf Hansson
2026-10-27 15:19   ` Shawn Lin
2026-10-27 14:40 ` [PATCH v10 4/6] mmc: core: Split sdio_set_host_pm_flags() Ulf Hansson
2026-10-27 15:12   ` Shawn Lin
2026-10-27 19:43     ` Ulf Hansson
2026-10-27 14:40 ` [PATCH v10 5/6] mmc: core: Move reset functions for eMMC Ulf Hansson
2026-10-27 15:19   ` Shawn Lin
2026-10-27 14:40 ` [PATCH v10 6/6] mmc: core: Add support for resetting an eMMC at system resume Ulf Hansson
2026-10-27 15:20   ` Shawn Lin
2026-10-27 20:00     ` Kamal Dasu
2026-10-27 19:53 ` [PATCH v10 0/6] mmc: core: Keep the card powered across suspend when firmware needs it live Kamal Dasu
2026-10-28  9:35   ` 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=2a29cb8e-28eb-450a-afe9-df543f99b101@kernel.org \
    --to=krzk@kernel.org \
    --cc=adrian.hunter@intel.com \
    --cc=florian.fainelli@broadcom.com \
    --cc=kamal.dasu@broadcom.com \
    --cc=krzysztof.kozlowski@oss.qualcomm.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mmc@vger.kernel.org \
    --cc=o.rempel@pengutronix.de \
    --cc=ulf.hansson@oss.qualcomm.com \
    --cc=ulfh@kernel.org \
    --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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.