From: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
To: Bjorn Andersson <bjorn.andersson@oss.qualcomm.com>
Cc: Srinivas Kandagatla <srini@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Vinod Koul <vkoul@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH 5/7] slimbus: qcom-ngd-ctrl: Initialize controller resources in controller
Date: Wed, 11 Mar 2026 03:34:03 +0200 [thread overview]
Message-ID: <cnbyqrpmfgofeoybc6kehztsrtyfc5xhwdjhu6qanq4l5434jz@xllc7ichy3y2> (raw)
In-Reply-To: <20260309-slim-ngd-dev-v1-5-5843e3ed62a3@oss.qualcomm.com>
On Mon, Mar 09, 2026 at 11:09:06PM -0500, Bjorn Andersson wrote:
> The work structs and work queue are controller resources, create and
> destroy them in the controller context. Creating them as part of the
> child device's probe path seems to be okay now that the controller's
> probe has been updated, but if for some reason the child does not probe
> successfully a SSR or PDR notification will schedule_work() on an
> uninitialized "ngd_up_work".
>
> Move the initialization of these controller resources to the controller
> probe function to avoid any issues, and to clarify the ownership.
>
> Fixes: 917809e2280b ("slimbus: ngd: Add qcom SLIMBus NGD driver")
> Cc: stable@vger.kernel.org
> Signed-off-by: Bjorn Andersson <bjorn.andersson@oss.qualcomm.com>
> ---
> drivers/slimbus/qcom-ngd-ctrl.c | 38 ++++++++++++++++----------------------
> 1 file changed, 16 insertions(+), 22 deletions(-)
>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
--
With best wishes
Dmitry
next prev parent reply other threads:[~2026-03-11 1:34 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-10 4:09 [PATCH 0/7] slimbus: qcom-ngd-ctrl: Fix some race conditions and deadlocks Bjorn Andersson
2026-03-10 4:09 ` [PATCH 1/7] slimbus: qcom-ngd-ctrl: Fix up platform_driver registration Bjorn Andersson
2026-03-10 7:33 ` Mukesh Ojha
2026-03-11 1:30 ` Dmitry Baryshkov
2026-03-10 4:09 ` [PATCH 2/7] slimbus: qcom-ngd-ctrl: Fix probe error path ordering Bjorn Andersson
2026-03-10 7:36 ` Mukesh Ojha
2026-03-11 1:30 ` Dmitry Baryshkov
2026-03-10 4:09 ` [PATCH 3/7] slimbus: qcom-ngd-ctrl: Correct PDR and SSR cleanup ownership Bjorn Andersson
2026-03-10 7:39 ` Mukesh Ojha
2026-03-24 2:36 ` Bjorn Andersson
2026-03-24 6:32 ` Mukesh Ojha
2026-03-11 1:32 ` Dmitry Baryshkov
2026-03-10 4:09 ` [PATCH 4/7] slimbus: qcom-ngd-ctrl: Register callbacks after creating the ngd Bjorn Andersson
2026-03-10 7:49 ` Mukesh Ojha
2026-03-11 1:45 ` Dmitry Baryshkov
2026-03-10 4:09 ` [PATCH 5/7] slimbus: qcom-ngd-ctrl: Initialize controller resources in controller Bjorn Andersson
2026-03-10 7:54 ` Mukesh Ojha
2026-03-11 1:34 ` Dmitry Baryshkov [this message]
2026-03-10 4:09 ` [PATCH 6/7] slimbus: qcom-ngd-ctrl: Balance pm_runtime enablement for NGD Bjorn Andersson
2026-03-10 8:00 ` Mukesh Ojha
2026-03-11 1:34 ` Dmitry Baryshkov
2026-03-10 4:09 ` [PATCH 7/7] slimbus: qcom-ngd-ctrl: Avoid ABBA on tx_lock/ctrl->lock Bjorn Andersson
2026-03-10 10:03 ` Mukesh Ojha
2026-03-11 0:06 ` Bjorn Andersson
2026-03-11 1:37 ` Dmitry Baryshkov
2026-03-11 1:40 ` [PATCH 0/7] slimbus: qcom-ngd-ctrl: Fix some race conditions and deadlocks Dmitry Baryshkov
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=cnbyqrpmfgofeoybc6kehztsrtyfc5xhwdjhu6qanq4l5434jz@xllc7ichy3y2 \
--to=dmitry.baryshkov@oss.qualcomm.com \
--cc=bjorn.andersson@oss.qualcomm.com \
--cc=gregkh@linuxfoundation.org \
--cc=krzk@kernel.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-sound@vger.kernel.org \
--cc=srini@kernel.org \
--cc=stable@vger.kernel.org \
--cc=vkoul@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