Linux-ARM-Kernel Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Brian Masney <bmasney@redhat.com>
To: Lucas Tanure <tanure@linux.com>
Cc: Ulf Hansson <ulfh@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Kevin Hilman <khilman@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	Stephen Boyd <sboyd@kernel.org>,
	Brian Masney <bmasney+clk@redhat.com>,
	Chuan Liu <chuan.liu@amlogic.com>, Jian Hu <jian.hu@amlogic.com>,
	Ronald Claveau <linux-kernel-dev@aliel.fr>,
	linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 4/4] clk: meson: t7: don't mark sys_ampipe_nand as critical
Date: Fri, 11 Sep 2026 20:08:26 -0400	[thread overview]
Message-ID: <aqSX-kUvYaixESxe@redhat.com> (raw)
In-Reply-To: <20260905153234.133217-5-tanure@linux.com>

Hi Lucas,

On Sat, Sep 05, 2026 at 04:32:34PM +0100, Lucas Tanure wrote:
> sys_ampipe_nand clocks the pipeline stage inserted in the bus path
> between the SD/eMMC controllers and the NIC_MATRIX fabric. It does have
> identifiable consumers - the three MMC controllers - so marking it
> critical was the wrong tool: the clock should be referenced from the
> consumer nodes and claimed by the mmc driver instead.
> 
> Drop the CLK_IS_CRITICAL flag and update the comment accordingly.
> sys_am2axi0..2 remain critical as they clock the AXI DMA bus itself and
> have no single identifiable consumer.
> 
> Assisted-by: Claude:claude-fable-5
> Signed-off-by: Lucas Tanure <tanure@linux.com>
> ---
> This patch depends on the MMC controllers actually referencing the clock:
> the dt-bindings, mmc driver and t7 DTS changes adding the "pipeline"
> clock must land before this patch, otherwise the boot hangs and memory
> corruption this clock caused are reintroduced.

This series should be merged together in one tree? Which tree? I can
provide an Acked-by if it should go through the mmc tree.

Brian



  parent reply	other threads:[~2026-09-12  0:08 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-05 15:32 [PATCH v2 0/4] amlogic: t7: give the MMC bus pipeline clock real consumers Lucas Tanure
2026-09-05 15:32 ` [PATCH v2 1/4] dt-bindings: mmc: amlogic,meson-gx-mmc: document the T7 pipeline clock Lucas Tanure
2026-09-07 17:34   ` Conor Dooley
2026-09-05 15:32 ` [PATCH v2 2/4] mmc: meson-gx: enable the bus pipeline clock on T7 Lucas Tanure
2026-09-10  7:13   ` Neil Armstrong
2026-09-05 15:32 ` [PATCH v2 3/4] arm64: dts: amlogic: t7: add the pipeline clock to the MMC controllers Lucas Tanure
2026-09-10  7:13   ` Neil Armstrong
2026-09-05 15:32 ` [PATCH v2 4/4] clk: meson: t7: don't mark sys_ampipe_nand as critical Lucas Tanure
2026-09-10  7:13   ` Neil Armstrong
2026-09-12  0:08   ` Brian Masney [this message]
2026-09-12  7:50     ` Lucas Tanure
2026-09-12 15:50       ` Jerome Brunet
2026-09-11 15:40 ` [PATCH v2 0/4] amlogic: t7: give the MMC bus pipeline clock real consumers 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=aqSX-kUvYaixESxe@redhat.com \
    --to=bmasney@redhat.com \
    --cc=bmasney+clk@redhat.com \
    --cc=chuan.liu@amlogic.com \
    --cc=conor+dt@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=jbrunet@baylibre.com \
    --cc=jian.hu@amlogic.com \
    --cc=khilman@baylibre.com \
    --cc=krzk+dt@kernel.org \
    --cc=linux-amlogic@lists.infradead.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-clk@vger.kernel.org \
    --cc=linux-kernel-dev@aliel.fr \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mmc@vger.kernel.org \
    --cc=martin.blumenstingl@googlemail.com \
    --cc=neil.armstrong@linaro.org \
    --cc=robh@kernel.org \
    --cc=sboyd@kernel.org \
    --cc=tanure@linux.com \
    --cc=ulfh@kernel.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