Re: [PATCH v14 1/3] spi: pxa2xx: disable DMA for Apple MacBook8,1

[Mark Brown]

On Sun, Jul 19, 2026 at 12:07:00AM +0800, Shih-Yuan Lee wrote:

> Move the forced PIO mode DMI quirk to spi-pxa2xx-pci.c (the LPSS host
> controller PCI glue driver) to avoid layering violations in client
> drivers (such as applespi).

> Add an explicit DMI match table for MacBook8,1 and a module parameter
> spi_pxa2xx_force_pio to allow forcing PIO mode on demand.

Note that this will mean that the runtime PM bugs fixed in patch 2 are
exposed, breaking bisection on the affected platform.  The actual change
looks fine.

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