public inbox for linux-i2c@vger.kernel.org
 help / color / mirror / Atom feed
From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: correctmost <cmlists@sent.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	dmaengine@vger.kernel.org, regressions@lists.linux.dev,
	vkoul@kernel.org, linux-i2c@vger.kernel.org
Subject: Re: [REGRESSION][BISECTED] Lenovo IdeaPad touchpad does not work when idma64 is present in initramfs
Date: Mon, 26 Jan 2026 14:53:53 +0100	[thread overview]
Message-ID: <20260126135353.GT2275908@black.igk.intel.com> (raw)
In-Reply-To: <5c5645eb-66b8-4419-a4e9-ba2672af2f40@app.fastmail.com>

On Sat, Jan 24, 2026 at 10:38:14PM -0500, correctmost wrote:
> I am seeing mixed results with those i2c config changes, depending on which modules are included in the initramfs image.
> 
> Build info for both tests:
> - Commit c072629f05d7
> - CONFIG_I2C_DESIGNWARE_CORE=m
> - CONFIG_I2C_DESIGNWARE_PLATFORM=m
> 
> --> Test 1 - Various i2c modules absent from initramfs
> 
> Modules:
> - drivers/dma/idma64.ko.zst present in initramfs
> - drivers/hid/i2c-hid/{i2c-hid-acpi.ko.zst,i2c-hid.ko.zst} absent from initramfs
> - drivers/i2c/busses/{i2c-designware-core.ko.zst,i2c-designware-platform.ko.zst,i2c-i801.ko.zst} absent from initramfs
> - drivers/i2c/{i2c-mux.ko.zst,i2c-smbus.ko.zst} absent from initramfs
> 
> Result: The touchpad works, but there are still IRQ #27 messages:

And the touchpad is working fine after boot too?

Can you share full dmesg of this boot and let's add "i2c-hid.dyndbg=+p" in
the kernel command line so we can see what it is doing as well.

  reply	other threads:[~2026-01-26 13:53 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-16 17:57 [REGRESSION][BISECTED] Lenovo IdeaPad touchpad does not work when idma64 is present in initramfs correctmost
2026-01-12 14:35 ` Andy Shevchenko
2026-01-12 16:52   ` Andy Shevchenko
2026-01-15 22:50   ` correctmost
2026-01-16 10:03     ` Andy Shevchenko
2026-01-16 10:35       ` Andy Shevchenko
2026-01-17  0:25         ` correctmost
2026-01-19 10:39           ` Andy Shevchenko
2026-01-19 10:49             ` Andy Shevchenko
2026-01-20  9:33               ` Andy Shevchenko
2026-01-21  4:56                 ` correctmost
2026-01-21  9:13                   ` Andy Shevchenko
2026-01-21 13:58                     ` Mika Westerberg
2026-01-21 14:54                       ` Andy Shevchenko
2026-01-21 15:02                         ` Mika Westerberg
2026-01-21 15:19                           ` Andy Shevchenko
2026-01-22 11:00                             ` Mika Westerberg
2026-01-22 22:29                               ` correctmost
2026-01-23  6:36                                 ` Mika Westerberg
2026-01-25  3:38                                   ` correctmost
2026-01-26 13:53                                     ` Mika Westerberg [this message]
2026-01-27  6:52                                       ` correctmost
2026-01-27  8:42                                         ` Mika Westerberg
2026-01-27 10:11                                           ` correctmost
2026-01-27 10:19                                             ` Mika Westerberg
2026-01-27 10:56                                               ` correctmost
2026-01-27 14:43                                                 ` Mika Westerberg
2026-01-27 15:09                                                   ` Andy Shevchenko
2026-01-28  3:06                                                   ` correctmost
2026-01-23  6:53                                 ` Andy Shevchenko
2026-01-28  9:34                   ` Andy Shevchenko
2026-01-28 10:21                     ` correctmost
2026-01-28 12:31                       ` Mika Westerberg
2026-01-29  4:54                         ` correctmost
2026-01-29  6:58                           ` Mika Westerberg
2026-01-29  7:20                             ` correctmost
2026-01-29 11:56                               ` Mika Westerberg
2026-01-29 13:06                                 ` correctmost
2026-01-30  7:26                                   ` Mika Westerberg
2026-01-30  8:18                                     ` correctmost
2026-02-02  7:51                                       ` Mika Westerberg
2026-02-02  8:38                                         ` correctmost
2026-02-02 10:22                                           ` Mika Westerberg
2026-02-02 11:16                                             ` correctmost
2026-02-03 10:04                                               ` Mika Westerberg
2026-02-03 12:39                                                 ` correctmost
2026-02-04 12:31                                                   ` Mika Westerberg
2026-02-04 13:11                                                     ` correctmost
2026-02-04 13:19                                                       ` Andy Shevchenko
2026-02-04 14:01                                                         ` correctmost
2026-02-04 15:12                                                           ` correctmost
2026-02-04 15:34                                                             ` Mika Westerberg
2026-02-04 15:53                                                               ` correctmost
2026-02-05 10:31                                                                 ` Mika Westerberg
2026-02-14 20:17                                                                   ` correctmost

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=20260126135353.GT2275908@black.igk.intel.com \
    --to=mika.westerberg@linux.intel.com \
    --cc=andriy.shevchenko@linux.intel.com \
    --cc=cmlists@sent.com \
    --cc=dmaengine@vger.kernel.org \
    --cc=linux-i2c@vger.kernel.org \
    --cc=regressions@lists.linux.dev \
    --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