Re: [PATCH v11 1/9] mfd: intel-lpss: add resource conflict quirk for Dell Latitude 5285

[Andy Shevchenko]

On Thu, Oct 01, 2026 at 10:24:37AM +0300, Sakari Ailus wrote:
> On Thu, Oct 01, 2026 at 10:05:05AM +0300, Andy Shevchenko wrote:
> > On Wed, Sep 30, 2026 at 02:43:13PM -0700, Thierry Chatard wrote:
> > > The Dell Latitude 5285 2-in-1 has a BIOS bug where the ACPI GEXP device
> > > and the I2C4 controller (INT3446) both claim the same MMIO region via the
> > > shared SB04 variable. This causes intel_lpss_acpi to fail binding to I2C4
> > > with -EBUSY, preventing the front camera (OV5670) sensor from being
> > > registered.
> > > 
> > > Match the affected machine by DMI and the affected device by ACPI ID,
> > > carrying QUIRK_IGNORE_RESOURCE_CONFLICTS in the ACPI match data and
> > > applying it to the per-device info in probe. This follows the quirk
> > > organisation used by the PCI counterpart.
> > 
> > > Assisted-by: Claude Code:claude-opus-4-8
> > 
> > Assisted-by: LLM
> 
> While coding-assistants.rst does indeed suggest to just use "LLM", I think
> more specific information is worth having, too. Specifying this seems
> commonplace elsewhere. I have to admit I haven't followed the related
> discussions.

While 80 characters is recommended, you are strict about that rule,
I believe the same about Assisted-by. It *is* documented.

-- 
With Best Regards,
Andy Shevchenko