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

[Lee Jones]

On Thu, 01 Oct 2026, Sakari Ailus wrote:

> Hi Andy, Lee,
> 
> Are you ok with merging this and the following patch via the media tree?
> 
> I guess there's no direct dependency, so I could take only patches from 3
> onwards via the media tree as well. In that case:
> 
> Reviewed-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>

If there are no deps, let's just take them through their own trees.

> 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
> > Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
> > Signed-off-by: Thierry Chatard <tchatard@xxxxxxxxx>
> 
> -- 
> Kind regards,
> 
> Sakari Ailus

-- 
Lee Jones