From: Alexander Stein <alexander.stein@ew.tq-group.com>
To: Shengjiu Wang <shengjiu.wang@nxp.com>, Adam Ford <aford173@gmail.com>
Cc: ulf.hansson@linaro.org, heiko@sntech.de,
u.kleine-koenig@pengutronix.de, geert+renesas@glider.be,
rafael@kernel.org, linux-pm@vger.kernel.org, abelvesa@kernel.org,
peng.fan@nxp.com, mturquette@baylibre.com, sboyd@kernel.org,
shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, imx@lists.linux.dev,
shengjiu.wang@gmail.com, frank.li@nxp.com, mkl@pengutronix.de,
linus.walleij@linaro.org, linux-clk@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] pmdomain: imx: gpcv2: Add delay after power up handshake
Date: Wed, 15 May 2024 08:11:35 +0200 [thread overview]
Message-ID: <9618306.DvuYhMxLoT@steina-w> (raw)
In-Reply-To: <CAHCN7xLoW2Nydhc3y-X1ieb7-UZTm=ap1O1eSLE31LawmfRZOg@mail.gmail.com>
Hi,
Am Mittwoch, 15. Mai 2024, 00:08:21 CEST schrieb Adam Ford:
> On Fri, May 10, 2024 at 10:15 PM Shengjiu Wang <shengjiu.wang@nxp.com> wrote:
> >
> > AudioMix BLK-CTRL on i.MX8MP encountered an accessing register issue
> > after power up.
> >
> > [ 2.181035] Kernel panic - not syncing: Asynchronous SError Interrupt
> > [ 2.181038] CPU: 1 PID: 48 Comm: kworker/u16:2 Not tainted 6.9.0-rc5-next-20240424-00003-g21cec88845c6 #171
> > [ 2.181047] Hardware name: NXP i.MX8MPlus EVK board (DT)
> > [ 2.181050] Workqueue: events_unbound deferred_probe_work_func
> > [ 2.181064] Call trace:
> > [...]
> > [ 2.181142] arm64_serror_panic+0x6c/0x78
> > [ 2.181149] do_serror+0x3c/0x70
> > [ 2.181157] el1h_64_error_handler+0x30/0x48
> > [ 2.181164] el1h_64_error+0x64/0x68
> > [ 2.181171] clk_imx8mp_audiomix_runtime_resume+0x34/0x44
> > [ 2.181183] __genpd_runtime_resume+0x30/0x80
> > [ 2.181195] genpd_runtime_resume+0x110/0x244
> > [ 2.181205] __rpm_callback+0x48/0x1d8
> > [ 2.181213] rpm_callback+0x68/0x74
> > [ 2.181224] rpm_resume+0x468/0x6c0
> > [ 2.181234] __pm_runtime_resume+0x50/0x94
> > [ 2.181243] pm_runtime_get_suppliers+0x60/0x8c
> > [ 2.181258] __driver_probe_device+0x48/0x12c
> > [ 2.181268] driver_probe_device+0xd8/0x15c
> > [ 2.181278] __device_attach_driver+0xb8/0x134
> > [ 2.181290] bus_for_each_drv+0x84/0xe0
> > [ 2.181302] __device_attach+0x9c/0x188
> > [ 2.181312] device_initial_probe+0x14/0x20
> > [ 2.181323] bus_probe_device+0xac/0xb0
> > [ 2.181334] deferred_probe_work_func+0x88/0xc0
> > [ 2.181344] process_one_work+0x150/0x290
> > [ 2.181357] worker_thread+0x2f8/0x408
> > [ 2.181370] kthread+0x110/0x114
> > [ 2.181381] ret_from_fork+0x10/0x20
> > [ 2.181391] SMP: stopping secondary CPUs
> >
>
> The imx8mp-beacon board suffers from this as well, and I can confirm
> the patch also fixes it. It might be a coincidence, but the etnaviv
> NPU also enumerates more reliably now too.
I had a similar local hack/workaround for NPU startup. This patch address
both issues.
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
--
TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany
Amtsgericht München, HRB 105018
Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider
http://www.tq-group.com/
next prev parent reply other threads:[~2024-05-15 6:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-11 2:55 [PATCH v3] pmdomain: imx: gpcv2: Add delay after power up handshake Shengjiu Wang
2024-05-14 22:08 ` Adam Ford
2024-05-15 6:11 ` Alexander Stein [this message]
2024-05-21 9:54 ` Francesco Dolcini
2024-05-21 10:22 ` Ulf Hansson
2024-05-27 12:49 ` Mark Brown
2024-05-27 14:37 ` 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=9618306.DvuYhMxLoT@steina-w \
--to=alexander.stein@ew.tq-group.com \
--cc=abelvesa@kernel.org \
--cc=aford173@gmail.com \
--cc=festevam@gmail.com \
--cc=frank.li@nxp.com \
--cc=geert+renesas@glider.be \
--cc=heiko@sntech.de \
--cc=imx@lists.linux.dev \
--cc=kernel@pengutronix.de \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-clk@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=mkl@pengutronix.de \
--cc=mturquette@baylibre.com \
--cc=peng.fan@nxp.com \
--cc=rafael@kernel.org \
--cc=s.hauer@pengutronix.de \
--cc=sboyd@kernel.org \
--cc=shawnguo@kernel.org \
--cc=shengjiu.wang@gmail.com \
--cc=shengjiu.wang@nxp.com \
--cc=u.kleine-koenig@pengutronix.de \
--cc=ulf.hansson@linaro.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;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).